source: MondoRescue/branches/stable/mondo/src/common/libmondo-archive.c@ 1118

/* libmondo-archive.c
   $Id: libmondo-archive.c 1118 2007-02-09 01:07:01Z bruno $

subroutines to handle the archiving of files
*/

/**
 * @file
 * Functions to handle backing up data.
 * This is the main file (at least the longest one) in libmondo.
 */
#include <sys/sem.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <stdarg.h>
#include <unistd.h>

#include "my-stuff.h"
#include "../common/mondostructures.h"
#include "mr_conf.h"
#include "mr_mem.h"
#include "mr_err.h"
#include "mr_str.h"
#include "mr_file.h"

#include "libmondo-string-EXT.h"
#include "libmondo-stream-EXT.h"
#include "libmondo-devices-EXT.h"
#include "libmondo-tools-EXT.h"
#include "newt-specific-EXT.h"
#include "libmondo-fork-EXT.h"
#include "libmondo-files-EXT.h"
#include "libmondo-filelist-EXT.h"
#include "libmondo-tools-EXT.h"
#include "libmondo-verify-EXT.h"
#include "libmondo-archive.h"

#define DVDRWFORMAT 1



/** @def DEFAULT_1722MB_DISK The default 1.722M floppy disk to write images to. */
/** @def BACKUP_1722MB_DISK  The 1.722M floppy disk to try if the default fails. */

#ifdef __FreeBSD__
#define DEFAULT_1722MB_DISK "/dev/fd0.1722"
#define BACKUP_1722MB_DISK "/dev/fd0.1722"
#else
#define DEFAULT_1722MB_DISK "/dev/fd0u1722"
#define BACKUP_1722MB_DISK "/dev/fd0H1722"
#ifndef _SEMUN_H
#define _SEMUN_H

    /**
     * The semaphore union, provided only in case the user's system doesn't.
     */
union semun {
    int val;
    struct semid_ds *buf;
    unsigned short int *array;
    struct seminfo *__buf;
};
#endif
#endif                          /* __FreeBSD__ */

/*@unused@*/
//static char cvsid[] = "$Id: libmondo-archive.c 1118 2007-02-09 01:07:01Z bruno $";

/* *************************** external global vars ******************/
extern int g_current_media_number;
extern int g_currentY;
extern bool g_text_mode;
extern bool g_exiting;
extern long g_current_progress;
extern FILE *g_tape_stream;
extern long long g_tape_posK;
extern char *g_mondo_home;
extern char *g_tmpfs_mountpt;
extern bool g_cd_recovery;
extern char *g_serial_string;

extern char *g_getfacl;
extern char *g_getfattr;



/**
 * @addtogroup globalGroup
 * @{
 */
/**
 * The current backup media type in use.
 */
t_bkptype g_backup_media_type = none;
char *g_backup_media_string = NULL;

/**
 * Incremented by each archival thread when it starts up. After that,
 * this is the number of threads running.
 */
int g_current_thread_no = 0;

/* @} - end of globalGroup */

extern int g_noof_rows;

/* Semaphore-related code */

static int set_semvalue(void);
static void del_semvalue(void);
static int semaphore_p(void);
static int semaphore_v(void);

static int g_sem_id;
static int g_sem_key;




/**
 * Initialize the semaphore.
 * @see del_semvalue
 * @see semaphore_p
 * @see semaphore_v
 * @return 1 for success, 0 for failure.
 */
static int set_semvalue(void)   // initializes semaphore
{
    union semun sem_union;
    sem_union.val = 1;
    if (semctl(g_sem_id, 0, SETVAL, sem_union) == -1) {
        return (0);
    }
    return (1);
}

/**
 * Frees (deletes) the semaphore. Failure is indicated by a log
 * message.
 * @see set_semvalue
 */
static void del_semvalue(void)  // deletes semaphore
{
    union semun sem_union;

    if (semctl(g_sem_id, 0, IPC_RMID, sem_union) == -1) {
        mr_msg(3, "Failed to delete semaphore");
    }
}

/**
 * Acquire (increment) the semaphore (change status to P).
 * @return 1 for success, 0 for failure.
 * @see semaphore_v
 */
static int semaphore_p(void)    // changes status to 'P' (waiting)
{
    struct sembuf sem_b;

    sem_b.sem_num = 0;
    sem_b.sem_op = -1;          // P()
    sem_b.sem_flg = SEM_UNDO;
    if (semop(g_sem_id, &sem_b, 1) == -1) {
        mr_msg(3, "semaphore_p failed");
        return (0);
    }
    return (1);
}

/**
 * Free (decrement) the semaphore (change status to V).
 * @return 1 for success, 0 for failure.
 */
static int semaphore_v(void)    // changes status to 'V' (free)
{
    struct sembuf sem_b;

    sem_b.sem_num = 0;
    sem_b.sem_op = 1;           // V()
    sem_b.sem_flg = SEM_UNDO;
    if (semop(g_sem_id, &sem_b, 1) == -1) {
        mr_msg(3, "semaphore_v failed");
        return (0);
    }
    return (1);
}


//------------------------------------------------------


/**
 * Size in megabytes of the buffer afforded to the executable "buffer".
 * This figure is used when we calculate how much data we have probably 'lost'
 * when writing off the end of tape N, so that we can then figure out how much
 * data we must recreate & write to the start of tape N+1.
 */
extern int g_tape_buffer_size_MB;




int
archive_this_fileset_with_star(struct s_bkpinfo *bkpinfo, char *filelist,
                               char *fname, int setno)
{
    int retval = 0;
    unsigned int res = 0;
    int tries = 0;
    char *command = NULL;
    char *tmp = NULL;
    char *p =NULL;
    char *tmp1 = NULL;

    malloc_string(tmp1);

    if (!does_file_exist(filelist)) {
        mr_asprintf(&tmp,
                 "(archive_this_fileset) - filelist %s does not exist",
                 filelist);
        log_to_screen(tmp);
        mr_free(tmp);
        return (1);
    }

    mr_asprintf(&tmp, "echo hi > %s 2> /dev/null", fname);
    if (system(tmp)) {
        fatal_error("Unable to write tarball to scratchdir");
    }
    mr_free(tmp);

    mr_asprintf(&command, "star H=star list=%s -c " STAR_ACL_SZ " file=%s",
             filelist, fname);
    if (bkpinfo->use_lzo) {
        fatal_error("Can't use lzop");
    }
    if (bkpinfo->compression_level > 0) {
        mr_asprintf(&tmp, "%s -bz", command);
        mr_free(command);
        command = tmp;
    }
    mr_asprintf(&tmp, "%s 2>> %s", command, MONDO_LOGFILE);
    mr_free(command);
    command = tmp;
    mr_msg(4, "command = '%s'", command);

    for (res = 99, tries = 0; tries < 3 && res != 0; tries++) {
        mr_msg(5, "command='%s'", command);
        res = system(command);
        strcpy(tmp1, last_line_of_file(MONDO_LOGFILE));
        mr_msg(1, "res=%d; tmp='%s'", res, tmp);
        if (bkpinfo->use_star && (res == 254 || res == 65024)
            && strstr(tmp, "star: Processed all possible files")
            && tries > 0) {
            mr_msg(1, "Star returned nonfatal error");
            res = 0;
        }
        if (res) {
            log_OS_error(command);
            p = strstr(command, "-acl ");
            if (p) {
                p[0] = p[1] = p[2] = p[3] = ' ';
                mr_msg(1, "new command = '%s'", command);
            } else {
                mr_msg(3,
                        "Attempt #%d failed. Pausing 3 seconds and retrying...",
                        tries + 1);
                sleep(3);
            }
        }
    }
    mr_free(command);

    retval += res;
    if (retval) {
        mr_msg(3, "Failed to write set %d", setno);
    } else if (tries > 1) {
        mr_msg(3, "Succeeded in writing set %d, on try #%d", setno,
                tries);
    }

    return (retval);
}


/**
 * Call @c afio to archive the filelist @c filelist to the file @c fname.
 * 
 * @param bkpinfo The backup information structure. Fields used:
 * - @c compression_level
 * - @c scratchdir (only verifies existence)
 * - @c tmpdir (only verifies existence)
 * - @c zip_exe
 * - @c zip_suffix
 * @param filelist The path to a file containing a list of files to be archived
 * in this fileset.
 * @param fname The output file to archive to.
 * @param setno This fileset number.
 * @return The number of errors encountered (0 for success).
 * @ingroup LLarchiveGroup
 */
int
archive_this_fileset(struct s_bkpinfo *bkpinfo, char *filelist,
                     char *fname, int setno)
{

    /*@ int ************************************************************ */
    int retval = 0;
    int res = 0;
    int i = 0;
    int tries = 0;
    static int free_ramdisk_space = 9999;

    /*@ buffers ******************************************************** */
    char *command = NULL;
    char *zipparams = NULL;
    char *tmp = NULL;
    char *tmp1 = NULL;

    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(filelist);
    assert_string_is_neither_NULL_nor_zerolength(fname);

    if (bkpinfo->compression_level > 0 && bkpinfo->use_star) {
        return (archive_this_fileset_with_star
                (bkpinfo, filelist, fname, setno));
    }

    if (!does_file_exist(filelist)) {
        mr_asprintf(&tmp,
                 "(archive_this_fileset) - filelist %s does not exist",
                 filelist);
        log_to_screen(tmp);
        mr_free(tmp);
        return (1);
    }
    mr_asprintf(&tmp, "echo hi > %s 2> /dev/null", fname);
    if (system(tmp)) {
        fatal_error("Unable to write tarball to scratchdir");
    }
    mr_free(tmp);


    if (bkpinfo->compression_level > 0) {
        mr_asprintf(&tmp, "%s/do-not-compress-these", g_mondo_home);
        //       -b %ld, TAPE_BLOCK_SIZE
        mr_asprintf(&zipparams, "-Z -P %s -G %d -T 3k", bkpinfo->zip_exe,
                 bkpinfo->compression_level);
        if (does_file_exist(tmp)) {
            mr_asprintf(&tmp1, "%s -E %s", zipparams, tmp);
            mr_free(zipparams);
            zipparams = tmp1;
        } else {
            mr_msg(3, "%s not found. Cannot exclude zipfiles, etc.", tmp);
        }
        mr_free(tmp);
    } else {
        mr_asprintf(&zipparams, " ");
    }

//  make_hole_for_file(fname);

    if (!does_file_exist(bkpinfo->tmpdir)) {
        log_OS_error("tmpdir not found");
        fatal_error("tmpdir not found");
    }
    if (!does_file_exist(bkpinfo->scratchdir)) {
        log_OS_error("scratchdir not found");
        fatal_error("scratchdir not found");
    }
    mr_asprintf(&command, "rm -f %s %s. %s.gz %s.%s", fname, fname, fname,
             fname, bkpinfo->zip_suffix);
    paranoid_system(command);
    mr_free(command);

    mr_asprintf(&command, "afio -o -b %ld -M 16m %s %s < %s 2>> %s",
             TAPE_BLOCK_SIZE, zipparams, fname, filelist, MONDO_LOGFILE);
    mr_free(zipparams);

    mr_asprintf(&tmp, "echo hi > %s 2> /dev/null", fname);
    if (system(tmp)) {
        fatal_error("Unable to write tarball to scratchdir");
    }
    mr_free(tmp);

    for (res = 99, tries = 0; tries < 3 && res != 0; tries++) {
        mr_msg(5, "command='%s'", command);
        res = system(command);
        if (res) {
            log_OS_error(command);
            mr_msg(3,
                    "Attempt #%d failed. Pausing 3 seconds and retrying...",
                    tries + 1);
            sleep(3);
        }
    }
    mr_free(command);

    retval += res;
    if (retval) {
        mr_msg(3, "Failed to write set %d", setno);
    } else if (tries > 1) {
        mr_msg(3, "Succeeded in writing set %d, on try #%d", setno,
                tries);
    }

    if (g_tmpfs_mountpt[0] != '\0') {
        i = atoi(call_program_and_get_last_line_of_output
                 ("df -m -P | grep dev/shm | grep -v none | tr -s ' ' '\t' | cut -f4"));
        if (i > 0) {
            if (free_ramdisk_space > i) {
                free_ramdisk_space = i;
                mr_msg(2, "min(free_ramdisk_space) is now %d",
                        free_ramdisk_space);
                if (free_ramdisk_space < 10) {
                    fatal_error
                        ("Please increase PPCFG_RAMDISK_SIZE in my-stuff.h to increase size of ramdisk ");
                }
            }
        }
    }
    return (retval);
}


/**
 * Wrapper function for all the backup commands.
 * Calls these other functions: @c prepare_filelist(),
 * @c call_filelist_chopper(), @c copy_mondo_and_mindi_stuff_to_scratchdir(),
 * @c call_mindi_to_supply_boot_disks(), @c do_that_initial_phase(),
 * @c make_those_afios_phase(), @c make_those_slices_phase(), and
 * @c do_that_final_phase(). If anything fails before @c do_that_initial_phase(),
 * @c fatal_error is called with a suitable message.
 * @param bkpinfo The backup information structure. Uses most fields.
 * @return The number of non-fatal errors encountered (0 for success).
 * @ingroup archiveGroup
 */
int backup_data(struct s_bkpinfo *bkpinfo)
{
    int retval = 0, res = 0;
    char *tmp = NULL;

    assert(bkpinfo != NULL);
    set_g_cdrom_and_g_dvd_to_bkpinfo_value(bkpinfo);

    if (bkpinfo->backup_media_type == dvd) {
#ifdef DVDRWFORMAT
        if (!find_home_of_exe("dvd+rw-format")) {
            fatal_error
                ("Cannot find dvd+rw-format. Please install it or fix your PATH.");
        }
#endif
        if (!find_home_of_exe("growisofs")) {
            fatal_error
                ("Cannot find growisofs. Please install it or fix your PATH.");
        }
    }

    if ((res = prepare_filelist(bkpinfo))) {    /* generate scratchdir/filelist.full */
        fatal_error("Failed to generate filelist catalog");
    }
    if (call_filelist_chopper(bkpinfo)) {
        fatal_error("Failed to run filelist chopper");
    }

    mr_asprintf(&tmp, "gzip -9 %s/archives/filelist.full",
             bkpinfo->scratchdir);
    if (run_program_and_log_output(tmp, 2)) {
        fatal_error("Failed to gzip filelist.full");
    }
    mr_free(tmp);
    mr_asprintf(&tmp, "cp -f %s/archives/*list*.gz %s", bkpinfo->scratchdir,
             bkpinfo->tmpdir);
    if (run_program_and_log_output(tmp, 2)) {
        fatal_error("Failed to copy to tmpdir");
    }
    mr_free(tmp);

    copy_mondo_and_mindi_stuff_to_scratchdir(bkpinfo);  // payload, too, if it exists
#if __FreeBSD__ == 5
    strcpy(bkpinfo->kernel_path, "/boot/kernel/kernel");
#elif __FreeBSD__ == 4
    strcpy(bkpinfo->kernel_path, "/kernel");
#elif linux
    if (figure_out_kernel_path_interactively_if_necessary
        (bkpinfo->kernel_path)) {
        fatal_error
            ("Kernel not found. Please specify manually with the '-k' switch.");
    }
#else
#error "I don't know about this system!"
#endif
    if ((res = call_mindi_to_supply_boot_disks(bkpinfo))) {
        fatal_error("Failed to generate boot+data disks");
    }
    retval += do_that_initial_phase(bkpinfo);   // prepare
    mr_asprintf(&tmp, "rm -f %s/images/*.iso", bkpinfo->scratchdir);
    run_program_and_log_output(tmp, 1);
    mr_free(tmp);
    retval += make_those_afios_phase(bkpinfo);  // backup regular files
    retval += make_those_slices_phase(bkpinfo); // backup BIG files
    retval += do_that_final_phase(bkpinfo); // clean up
    mr_msg(1, "Creation of archives... complete.");
    if (bkpinfo->verify_data) {
        sleep(2);
    }
    return (retval);
}


/**
 * Call Mindi to generate boot and data disks.
 * @note This binds correctly to the new Perl version of mindi.
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c boot_loader
 * - @c boot_device
 * - @c compression_level
 * - @c differential
 * - @c exclude_paths
 * - @c image_devs
 * - @c kernel_path
 * - @c make_cd_use_lilo
 * - @c media_device
 * - @c media_size
 * - @c nonbootable_backup
 * - @c tmpdir
 * - @c use_lzo
 *
 * @return The number of errors encountered (0 for success)
 * @bug The code to automagically determine the boot drive
 * is messy and system-dependent. In particular, it breaks
 * for Linux RAID and LVM users.
 * @ingroup MLarchiveGroup
 */
int call_mindi_to_supply_boot_disks(struct s_bkpinfo *bkpinfo)
{
    /*@ buffer ************************************************************ */
    char *tmp = NULL;
    char *command = NULL;
    char *use_lzo_sz = NULL;
    char *use_gzip_sz = NULL;
    char *use_comp_sz = NULL;
    char *use_star_sz = NULL;
    char *bootldr_str = NULL;
    char *tape_device = NULL;
    char *last_filelist_number = NULL;
    char *broken_bios_sz = NULL;
    char *cd_recovery_sz = NULL;
    char *tape_size_sz = NULL;
    char *devs_to_exclude = NULL;
    char *use_lilo_sz = NULL;
    char *bootdev = NULL;

    /*@ char ************************************************************** */
    char ch = '\0';

    /*@ long     ********************************************************** */
    long lines_in_filelist = 0;

    /*@ int         ************************************************************* */
    int res = 0;
    long estimated_total_noof_slices = 0;

    FILE *fd = NULL;
    FILE *fd1 = NULL;

    assert(bkpinfo != NULL);
    malloc_string(bootldr_str);
    malloc_string(last_filelist_number);
    malloc_string(devs_to_exclude);
    malloc_string(bootdev);

    mr_asprintf(&tmp,
            "echo '%s' | tr -s ' ' '\n' | grep -E '^/dev/.*$' | tr -s '\n' ' ' | awk '{print $0\"\\n\";}'",
            bkpinfo->exclude_paths);

    strcpy(devs_to_exclude, call_program_and_get_last_line_of_output(tmp));
    mr_free(tmp);

    mr_asprintf(&tmp, "devs_to_exclude = '%s'", devs_to_exclude);
    mr_msg(2, tmp);
    mr_free(tmp);
    mvaddstr_and_log_it(g_currentY, 0,
                        "Calling MINDI to create boot+data disks");
    mr_asprintf(&tmp, "%s/filelist.full", bkpinfo->tmpdir);
    if (!does_file_exist(tmp)) {
        mr_free(tmp);
        mr_asprintf(&tmp, "%s/tmpfs/filelist.full", bkpinfo->tmpdir);
        if (!does_file_exist(tmp)) {
            fatal_error
                ("Cannot find filelist.full, so I cannot count its lines");
        }
    }
    lines_in_filelist = count_lines_in_file(tmp);
    strcpy(last_filelist_number, last_line_of_file(tmp));
    mr_free(tmp);

    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        mr_asprintf(&tape_size_sz, "%ld", bkpinfo->media_size[1]);
        mr_asprintf(&tape_device, bkpinfo->media_device);
    } else {
        mr_asprintf(&tape_size_sz, " ");
        mr_asprintf(&tape_device, " ");
    }
    /* BERLIOS: This parameter is not used after? */
    mr_free(tape_size_sz);
    if (bkpinfo->use_lzo) {
        mr_asprintf(&use_lzo_sz, "yes");
    } else {
        mr_asprintf(&use_lzo_sz, "no");
    }
    if (bkpinfo->use_gzip) {
        mr_asprintf(&use_gzip_sz, "yes");
    } else {
        mr_asprintf(&use_gzip_sz, "no");
    }
    if (bkpinfo->use_star) {
        mr_asprintf(&use_star_sz, "yes");
    } else {
        mr_asprintf(&use_star_sz, "no");
    }

    if (bkpinfo->compression_level > 0) {
        mr_asprintf(&use_comp_sz, "yes");
    } else {
        mr_asprintf(&use_comp_sz, "no");
    }

    mr_asprintf(&broken_bios_sz, "yes");    /* assume so */
    if (g_cd_recovery) {
        mr_asprintf(&cd_recovery_sz, "yes");
    } else {
        mr_asprintf(&cd_recovery_sz, "no");
    }
    /* Field shared between LILO/ELILO */
    if (bkpinfo->make_cd_use_lilo) {
        mr_asprintf(&use_lilo_sz, "yes");
    } else {
        mr_asprintf(&use_lilo_sz, "no");
    }

    if (!bkpinfo->nonbootable_backup
        && (bkpinfo->boot_loader == '\0'
            || bkpinfo->boot_device[0] == '\0')) {

#ifdef __FreeBSD__
        strcpy(bootdev, call_program_and_get_last_line_of_output
               ("mount | grep ' /boot ' | head -1 | cut -d' ' -f1 | sed 's/\\([0-9]\\).*/\\1/'"));
        if (!bootdev[0]) {
            strcpy(bootdev, call_program_and_get_last_line_of_output
                   ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/\\([0-9]\\).*/\\1/'"));
        }
#else
        strcpy(bootdev, call_program_and_get_last_line_of_output
               ("mount | grep ' /boot ' | head -1 | cut -d' ' -f1 | sed 's/[0-9].*//'"));
        if (strstr(bootdev, "/dev/cciss/")) {
            strcpy(bootdev, call_program_and_get_last_line_of_output
                   ("mount | grep ' /boot ' | head -1 | cut -d' ' -f1 | cut -dp -f1"));
        }
        if (!bootdev[0]) {
            strcpy(bootdev, call_program_and_get_last_line_of_output
                   ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/[0-9].*//'"));
            if (strstr(bootdev, "/dev/cciss/")) {
                strcpy(bootdev, call_program_and_get_last_line_of_output
                       ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | cut -dp -f1"));
            }
        }
#endif
        if (bootdev[0])
            ch = which_boot_loader(bootdev);
        else
            ch = 'U';

        if (bkpinfo->boot_loader != '\0') {
            mr_asprintf(&tmp, "User specified boot loader. It is '%c'.",
                    bkpinfo->boot_loader);
            mr_msg(2, tmp);
            mr_free(tmp);
        } else {
            bkpinfo->boot_loader = ch;
        }
        if (bkpinfo->boot_device[0] != '\0') {
            mr_asprintf(&tmp, "User specified boot device. It is '%s'.",
                    bkpinfo->boot_device);
            mr_msg(2, tmp);
            mr_free(tmp);
        } else {
            strcpy(bkpinfo->boot_device, bootdev);
        }
    }

    if (
#ifdef __FreeBSD__
           bkpinfo->boot_loader != 'B' && bkpinfo->boot_loader != 'D' &&
#endif
#ifdef __IA64__
           bkpinfo->boot_loader != 'E' &&
#endif
           bkpinfo->boot_loader != 'L' && bkpinfo->boot_loader != 'G'
           && bkpinfo->boot_loader != 'R' && !bkpinfo->nonbootable_backup)
    {
        fatal_error
            ("Please specify your boot loader and device, e.g. -l GRUB -f /dev/hda.\nType 'man mondoarchive' to read the manual.");
    }
    if (bkpinfo->boot_loader == 'L') {
        strcpy(bootldr_str, "LILO");
        if (!does_file_exist("/etc/lilo.conf")) {
            fatal_error
                ("The de facto standard location for your boot loader's config file is /etc/lilo.conf.\nBut I cannot find it there. What is wrong with your Linux distribution?");
        }
    } else if (bkpinfo->boot_loader == 'G') {
        strcpy(bootldr_str, "GRUB");
        if (!does_file_exist("/etc/grub.conf")
            && does_file_exist("/boot/grub/grub.conf")) {
            run_program_and_log_output
                ("ln -sf /boot/grub/grub.conf /etc/grub.conf", 5);
        }
        /* Detect Debian's grub config file */
        else if (!does_file_exist("/etc/grub.conf")
                 && does_file_exist("/boot/grub/menu.lst")) {
            run_program_and_log_output
                ("ln -s /boot/grub/menu.lst /etc/grub.conf", 5);
        }
        if (!does_file_exist("/etc/grub.conf")) {
            fatal_error
                ("The de facto standard location for your boot loader's config file is /etc/grub.conf.\nBut I cannot find it there. What is wrong with your Linux distribution?\nTry 'ln -s /boot/grub/menu.lst /etc/grub.conf'...");
        }
    } else if (bkpinfo->boot_loader == 'E') {
        strcpy(bootldr_str, "ELILO");
        /* BERLIOS: fix it for SuSE, Debian, Mandrake, ... */
        if (!does_file_exist("/etc/elilo.conf")
            && does_file_exist("/boot/efi/efi/redhat/elilo.conf")) {
            run_program_and_log_output
                ("ln -sf /boot/efi/efi/redhat/elilo.conf /etc/elilo.conf",
                 5);
        }
        if (!does_file_exist("/etc/elilo.conf")) {
            fatal_error
                ("The de facto mondo standard location for your boot loader's config file is /etc/elilo.conf\nBut I cannot find it there. What is wrong with your Linux distribution?\nTry finding it under /boot/efi and do 'ln -s /boot/efi/..../elilo.conf /etc/elilo.conf'");
        }
    } else if (bkpinfo->boot_loader == 'R') {
        strcpy(bootldr_str, "RAW");
    }
#ifdef __FreeBSD__
    else if (bkpinfo->boot_loader == 'D') {
        strcpy(bootldr_str, "DD");
    }

    else if (bkpinfo->boot_loader == 'B') {
        strcpy(bootldr_str, "BOOT0");
    }
#endif
    else {
        strcpy(bootldr_str, "unknown");
    }
    mr_asprintf(&tmp, "Your boot loader is %s and it boots from %s",
            bootldr_str, bkpinfo->boot_device);
    log_to_screen(tmp);
    mr_free(tmp);
    mr_asprintf(&tmp, "%s/BOOTLOADER.DEVICE", bkpinfo->tmpdir);
    if (write_one_liner_data_file(tmp, bkpinfo->boot_device)) {
        mr_msg(1, "Unable to write one-liner boot device");

    }

    estimated_total_noof_slices =
        size_of_all_biggiefiles_K(bkpinfo) / bkpinfo->optimal_set_size + 1;
    mr_asprintf(&command, "mkdir -p %s/images", bkpinfo->scratchdir);
    if (system(command)) {
        res++;
        log_OS_error("Unable to make images directory");
    }
    mr_free(command);

    mr_asprintf(&command, "mkdir -p %s%s", bkpinfo->scratchdir, MNT_FLOPPY);
    if (system(command)) {
        res++;
        log_OS_error("Unable to make mnt floppy directory");
    }
    mr_free(command);

    /* Prepare interface with mindi through a configuration file
     * under /var/cache/mondo by default 
     * and the mondorestore configuration file at the same time that
     * will be included by mindi on the initrd */

    fd = mr_fopen(MONDO_CACHE"/mindi.conf", "w");
    fd1 = mr_fopen(MONDORESTORECFG, "a");

    mr_fprintf(fd, "mindi_kernel=%s\n", bkpinfo->kernel_path);
    mr_fprintf(fd, "mindi_use_own_kernel=yes\n");

    mr_fprintf(fd1, "files-in-filelist %ld\n", lines_in_filelist);
    mr_fprintf(fd1, "internal-tape-block-size %ld\n", bkpinfo->internal_tape_block_size);
    mr_fprintf(fd1, "total-slices %ld\n", estimated_total_noof_slices);
    mr_fprintf(fd1, "excluded-devs %s\n", devs_to_exclude);
    mr_fprintf(fd1, "image-devs %s\n", bkpinfo->image_devs);
    mr_fprintf(fd1, "last-filelist-number %s\n", last_filelist_number);
    mr_fprintf(fd1, "bootloader.name %s\n", bootldr_str);
    mr_fprintf(fd1, "bootloader.device %s\n", bkpinfo->boot_device);

    switch (bkpinfo->backup_media_type) {
    case cdr:
        mr_fprintf(fd1, "backup-media-type cdr\n");
        break;
    case cdrw:
        mr_fprintf(fd1, "backup-media-type cdrw\n");
        break;
    case cdstream:
        mr_fprintf(fd1, "backup-media-type cdstream\n");
        break;
    case tape:
        mr_fprintf(fd1, "backup-media-type tape\n");
        break;
    case udev:
        mr_fprintf(fd1, "backup-media-type udev\n");
        break;
    case iso:
        mr_fprintf(fd1, "backup-media-type iso\n");
        break;
    case nfs:
        mr_fprintf(fd1, "backup-media-type nfs\n");
        break;
    case dvd:
        mr_fprintf(fd1, "backup-media-type dvd\n");
        break;
    case usb:
        mr_fprintf(fd1, "backup-media-type usb\n");
        break;
    default:
        fatal_error("Unknown backup_media_type");
    }

    if (bkpinfo->backup_media_type == usb) {
        mr_fprintf(fd, "mindi_write_usb=yes\n");
        mr_fprintf(fd, "mindi_usb_device=%s\n", bkpinfo->media_device);
    }
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        mr_fprintf(fd, "mindi_write_tape=yes\n");
        mr_fprintf(fd, "mindi_tape_device=%s\n", bkpinfo->media_device);
        mr_fprintf(fd1, "media-dev %s\n", bkpinfo->media_device);
        mr_fprintf(fd1, "media-size %ld\n", bkpinfo->media_size[1]);
    }
    if (bkpinfo->compression_level > 0) {
        mr_fprintf(fd1, "use-comp yes\n");
    } else {
        mr_fprintf(fd1, "use-comp no\n");
    }
    if (bkpinfo->use_gzip) {
        mr_fprintf(fd1, "use-gzip yes\n");
    } else {
        mr_fprintf(fd1, "use-gzip no\n");
    }
    if (bkpinfo->use_lzo) {
        mr_fprintf(fd1, "use-lzo yes\n");
    } else {
        mr_fprintf(fd1, "use-lzo no\n");
    }
    if (bkpinfo->use_star) {
        mr_fprintf(fd1, "use-star yes\n");
    } else {
        mr_fprintf(fd1, "use-star no\n");
    }
    if (g_getfattr) {
        mr_fprintf(fd1, "xattr yes\n");
    } else {
        mr_fprintf(fd1, "xattr no\n");
    }
    if (g_getfacl) {
        mr_fprintf(fd1, "acl yes\n");
    } else {
        mr_fprintf(fd1, "acl no\n");
    }

    if (g_cd_recovery) {
        mr_fprintf(fd1, "use-cdrecovery yes\n");
    } else {
        mr_fprintf(fd1, "use-cdrecovery no\n");
    }

    if (bkpinfo->make_cd_use_lilo) {
        mr_fprintf(fd1, "use-lilo yes\n");
    } else {
        mr_fprintf(fd1, "use-lilo no\n");
    }
    if (bkpinfo->nonbootable_backup) {
        mr_fprintf(fd1, "non-bootable yes\n");
    } else {
        mr_fprintf(fd1, "non-bootable no\n");
    }
    if (bkpinfo->differential) {
        mr_fprintf(fd1, "differential 1\n");
    } else {
        mr_fprintf(fd1, "differential 0\n");
    }

    mr_fclose(fd);
    mr_fprintf(fd1, "datestamp %s\n", mr_date());
    mr_fclose(fd1);

    mr_asprintf(&command, "mindi --custom '%s' '%s/images'", 
                bkpinfo->tmpdir, bkpinfo->scratchdir);
            //bkpinfo->tmpdir,      // parameter #2
            //bkpinfo->scratchdir,  // parameter #3
            //bkpinfo->kernel_path, // parameter #4
            //tape_device,          // parameter #5
            //tape_size_sz,         // parameter #6
            //lines_in_filelist,        // parameter #7 (INT)
            //use_lzo_sz,               // parameter #8
            //cd_recovery_sz,           // parameter #9
            //bkpinfo->image_devs,  // parameter #10
            //broken_bios_sz,           // parameter #11 always yes
            //last_filelist_number, // parameter #12 (STRING)
            //estimated_total_noof_slices,  // parameter #13 (INT)
            //devs_to_exclude,      // parameter #14
            //use_comp_sz,          // parameter #15
            //use_lilo_sz,          // parameter #16
            //use_star_sz,          // parameter #17
            //bkpinfo->internal_tape_block_size,    // parameter #18 (LONG)
            //bkpinfo->differential,    // parameter #19 (INT)
            //use_gzip_sz);         // parameter #20 (STRING)

    mr_msg(2, command);

    res = run_program_and_log_to_screen(command, "Generating boot+data disks");
    mr_free(command);
    if (bkpinfo->nonbootable_backup) {
        res = 0;
    }                           // hack
    if (!res) {
        log_to_screen("Boot+data disks were created OK");
        mr_asprintf(&command, "mkdir -p /var/cache/mindi/");
        mr_msg(2, command);
        run_program_and_log_output(command, FALSE);
        mr_free(command);

        mr_asprintf(&command,
                "cp -f %s/images/mindi.iso /var/cache/mindi/mondorescue.iso",
                bkpinfo->scratchdir);
        mr_msg(2, command);
        run_program_and_log_output(command, FALSE);
        mr_free(command);

        if (bkpinfo->nonbootable_backup) {
            mr_asprintf(&command, "cp -f %s/all.tar.gz %s/images",
                    bkpinfo->tmpdir, bkpinfo->scratchdir);
            if (system(command)) {
                fatal_error("Unable to create temporary duff tarball");
            }
            mr_free(command);
            
        }
/* BERLIOS: Not executed ?
        sprintf(command, "cp -f %s/mindi-*oot*.img %s/images",
                bkpinfo->tmpdir, bkpinfo->scratchdir);
*/
        mr_asprintf(&tmp, "cp -f %s/images/all.tar.gz %s",
                 bkpinfo->scratchdir, bkpinfo->tmpdir);
        if (system(tmp)) {
            fatal_error("Cannot find all.tar.gz in tmpdir");
        }
        mr_free(tmp);

        if (res) {
            mvaddstr_and_log_it(g_currentY++, 74, "Errors.");
        } else {
            mvaddstr_and_log_it(g_currentY++, 74, "Done.");
        }
    } else {
        log_to_screen("Mindi failed to create your boot+data disks.");
        mr_asprintf(&command, "grep 'Fatal error' /var/log/mindi.log");
        malloc_string(tmp);
        strcpy(tmp,call_program_and_get_last_line_of_output(command));
        mr_free(command);
        if (strlen(tmp) > 1) {
            popup_and_OK(tmp);
        }
        mr_free(tmp);
    }
    mr_free(bootldr_str);
    mr_free(last_filelist_number);
    mr_free(devs_to_exclude);
    mr_free(bootdev);
    return (res);
}


/**
 * Maximum number of filesets allowed in this function.
 */
#define MAX_NOOF_SETS_HERE 32767

/**
 * Offset of the bkpinfo pointer (in bytes) from the
 * buffer passed to create_afio_files_in_background.
 */
#define BKPINFO_LOC_OFFSET (16+MAX_NOOF_SETS_HERE/8+16)

/**
 * Main function for each @c afio thread.
 * @param inbuf A transfer block containing:
 * - @c p_last_set_archived: [offset 0] pointer to an @c int
 *   containing the last set archived.
 * - @c p_archival_threads_running: [offset 4] pointer to an @c int
 *   containing the number of archival threads currently running.
 * - @c p_next_set_to_archive: [offset 8] pointer to an @c int containing
 *   the next set that should be archived.
 * - @c p_list_of_fileset_flags: [offset 12] @c char pointer pointing to a
 *   bit array, where each bit corresponds to a filelist (1=needs
 *   to be archived, 0=archived).
 * - @c bkpinfo: [offset BKPINFO_LOC_OFFSET] pointer to backup information
 *   structure. Fields used:
 *   - @c tmpdir
 *   - @c zip_suffix
 *
 * Any of the above may be modified by the caller at any time.
 *
 * @bug Assumes @c int pointers are 4 bytes.
 * @see archive_this_fileset
 * @see make_afioballs_and_images
 * @return NULL, always.
 * @ingroup LLarchiveGroup
 */
void *create_afio_files_in_background(void *inbuf)
{
    long int archiving_set_no;
    char *archiving_filelist_fname;
    char *archiving_afioball_fname;
    char *curr_xattr_list_fname = NULL;
    char *curr_acl_list_fname;

    struct s_bkpinfo *bkpinfo;
    char *tmp = NULL;
    int res = 0, retval = 0;
    int *p_archival_threads_running;
    int *p_last_set_archived;
    int *p_next_set_to_archive;
    char *p_list_of_fileset_flags;
    int this_thread_no = g_current_thread_no++;

    malloc_string(archiving_filelist_fname);
    malloc_string(archiving_afioball_fname);
    p_last_set_archived = (int *) inbuf;
    p_archival_threads_running = (int *) (inbuf + 4);
    p_next_set_to_archive = (int *) (inbuf + 8);
    p_list_of_fileset_flags = (char *) (inbuf + 12);
    bkpinfo = (struct s_bkpinfo *) (inbuf + BKPINFO_LOC_OFFSET);

    sprintf(archiving_filelist_fname, FILELIST_FNAME_RAW_SZ,
            bkpinfo->tmpdir, 0L);
    for (archiving_set_no = 0; does_file_exist(archiving_filelist_fname);
         sprintf(archiving_filelist_fname, FILELIST_FNAME_RAW_SZ,
                 bkpinfo->tmpdir, archiving_set_no)) {
        if (g_exiting) {
            fatal_error("Execution run aborted (pthread)");
        }
        if (archiving_set_no >= MAX_NOOF_SETS_HERE) {
            fatal_error
                ("Maximum number of filesets exceeded. Adjust MAX_NOOF_SETS_HERE, please.");
        }
        if (!semaphore_p()) {
            mr_msg(3, "P sem failed (pid=%d)", (int) getpid());
            fatal_error("Cannot get semaphore P");
        }
        if (archiving_set_no < *p_next_set_to_archive) {
            archiving_set_no = *p_next_set_to_archive;
        }
        *p_next_set_to_archive = *p_next_set_to_archive + 1;
        if (!semaphore_v()) {
            fatal_error("Cannot get semaphore V");
        }

        /* backup this set of files */
        sprintf(archiving_afioball_fname, AFIOBALL_FNAME_RAW_SZ,
                bkpinfo->tmpdir, archiving_set_no, bkpinfo->zip_suffix);
        sprintf(archiving_filelist_fname, FILELIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, archiving_set_no);
        if (!does_file_exist(archiving_filelist_fname)) {
            mr_msg(3,
                    "%s[%d:%d] - well, I would archive %d, except that it doesn't exist. I'll stop now.",
                    FORTY_SPACES, getpid(), this_thread_no,
                    archiving_set_no);
            break;
        }

        mr_asprintf(&tmp, AFIOBALL_FNAME_RAW_SZ, bkpinfo->tmpdir,
                 archiving_set_no - ARCH_BUFFER_NUM, bkpinfo->zip_suffix);
        if (does_file_exist(tmp)) {
            mr_msg(4, "%s[%d:%d] - waiting for storer",
                    FORTY_SPACES, getpid(), this_thread_no);
            while (does_file_exist(tmp)) {
                sleep(1);
            }
            mr_msg(4, "[%d] - continuing", getpid());
        }
        mr_free(tmp);

        mr_msg(4, "%s[%d:%d] - EXATing %d...", FORTY_SPACES, getpid(),
                this_thread_no, archiving_set_no);
        if (g_getfattr) {
            mr_asprintf(&curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, archiving_set_no);
            get_fattr_list(archiving_filelist_fname, curr_xattr_list_fname);
            mr_free(curr_xattr_list_fname);
        }
        if (g_getfacl) {
            mr_asprintf(&curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, archiving_set_no);
            get_acl_list(archiving_filelist_fname, curr_acl_list_fname);
            mr_free(curr_acl_list_fname);
        }

        mr_msg(4, "%s[%d:%d] - archiving %d...", FORTY_SPACES, getpid(),
                this_thread_no, archiving_set_no);
        res =
            archive_this_fileset(bkpinfo, archiving_filelist_fname,
                                 archiving_afioball_fname,
                                 archiving_set_no);
        retval += res;

        if (res) {
            mr_asprintf(&tmp,
                     "Errors occurred while archiving set %ld. Please review logs.",
                     archiving_set_no);
            log_to_screen(tmp);
            mr_free(tmp);
        }
        if (!semaphore_p()) {
            fatal_error("Cannot get semaphore P");
        }

        set_bit_N_of_array(p_list_of_fileset_flags, archiving_set_no, 5);

        if (*p_last_set_archived < archiving_set_no) {
            *p_last_set_archived = archiving_set_no;
        }                       // finished archiving this one

        if (!semaphore_v()) {
            fatal_error("Cannot get semaphore V");
        }
        mr_msg(4, "%s[%d:%d] - archived %d OK", FORTY_SPACES, getpid(),
                this_thread_no, archiving_set_no);
        archiving_set_no++;
    }
    if (!semaphore_p()) {
        fatal_error("Cannot get semaphore P");
    }
    (*p_archival_threads_running)--;
    if (!semaphore_v()) {
        fatal_error("Cannot get semaphore V");
    }
    mr_msg(3, "%s[%d:%d] - exiting", FORTY_SPACES, getpid(),
            this_thread_no);
    mr_free(archiving_filelist_fname);
    mr_free(archiving_afioball_fname);
    pthread_exit(NULL);
}


/**
 * Finalize the backup.
 * For streaming backups, this writes the closing block
 * to the stream. For CD-based backups, this creates
 * the final ISO image.
 * @param bkpinfo The backup information structure, used only
 * for the @c backup_media_type.
 * @ingroup MLarchiveGroup
 */
int do_that_final_phase(struct s_bkpinfo *bkpinfo)
{

    /*@ int ************************************** */
    int res = 0;
    int retval = 0;

    /*@ buffers ********************************** */

    assert(bkpinfo != NULL);
    mvaddstr_and_log_it(g_currentY, 0,
                        "Writing any remaining data to media         ");

    mr_msg(1, "Closing tape/CD ... ");
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        /* write tape/cdstream */
        closeout_tape(bkpinfo);
    } else {
        /* write final ISO/USB */
        res = write_final_iso_if_necessary(bkpinfo);
        retval += res;
        if (res) {
            mr_msg(1, "write_final_iso_if_necessary returned an error");
        }
    }
    mr_msg(2, "Fork is exiting ... ");

    mvaddstr_and_log_it(g_currentY++, 74, "Done.");

    /* final stuff */
    if (retval) {
        mvaddstr_and_log_it(g_currentY++, 74, "Errors.");
    } else {
        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
    }

    return (retval);
}


/**
 * Initialize the backup.
 * Does the following:
 * - Sets up the serial number.
 * - For streaming backups, opens the tape stream and writes the data disks
 *   and backup headers.
 * - For CD-based backups, wipes the ISOs in the target directory.
 *
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c cdrw_speed
 * - @c prefix
 * - @c isodir
 * - @c media_device
 * - @c scratchdir
 * - @c tmpdir
 * @return The number of errors encountered (0 for success).
 * @ingroup MLarchiveGroup
 */
int do_that_initial_phase(struct s_bkpinfo *bkpinfo)
{
    /*@ int *************************************** */
    int retval = 0;

    /*@ buffers *********************************** */
    char *command, *tmpfile, *data_disks_file;

    assert(bkpinfo != NULL);
    malloc_string(command);

    mr_asprintf(&data_disks_file, "%s/all.tar.gz", bkpinfo->tmpdir);

    snprintf(g_serial_string, MAX_STR_LEN - 1,
             call_program_and_get_last_line_of_output("dd \
if=/dev/urandom bs=16 count=1 2> /dev/null | \
hexdump | tr -s ' ' '0' | head -n1"));
    strip_spaces(g_serial_string);
    strcat(g_serial_string, "...word.");
    mr_msg(2, "g_serial_string = '%s'", g_serial_string);
    assert(strlen(g_serial_string) < MAX_STR_LEN);

    mr_asprintf(&tmpfile, "%s/archives/SERIAL-STRING", bkpinfo->scratchdir);
    if (write_one_liner_data_file(tmpfile, g_serial_string)) {
        mr_msg(1, "%ld: Failed to write serial string", __LINE__);
    }
    mr_free(tmpfile);

    mvaddstr_and_log_it(g_currentY, 0, "Preparing to archive your data");
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        if (bkpinfo->backup_media_type == cdstream) {
            openout_cdstream(bkpinfo->media_device, bkpinfo->cdrw_speed);
        } else {
            openout_tape(bkpinfo->media_device, bkpinfo->internal_tape_block_size); /* sets g_tape_stream */
        }
        if (!g_tape_stream) {
            fatal_error("Cannot open backup (streaming) device");
        }
        mr_msg(1, "Backup (stream) opened OK");
        write_data_disks_to_stream(data_disks_file);
    } else {
        mr_msg(1, "Backing up to CD's");
    }
    mr_free(data_disks_file);

    mr_asprintf(&command, "rm -f %s/%s/%s-[1-9]*.iso", bkpinfo->isodir,
             bkpinfo->nfs_remote_dir, bkpinfo->prefix);
    paranoid_system(command);
    mr_free(command);

    wipe_archives(bkpinfo->scratchdir);
    mvaddstr_and_log_it(g_currentY++, 74, "Done.");
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        write_header_block_to_stream((off_t)0, "start-of-tape",
                                     BLK_START_OF_TAPE);
        write_header_block_to_stream((off_t)0, "start-of-backup",
                                     BLK_START_OF_BACKUP);
    }
    return (retval);
}


/**
 * Calls floppy-formatting @c cmd and tracks its progress if possible.
 *
 * @param cmd The command to run (e.g. @c fdformat @c /dev/fd0).
 * @param title The human-friendly description of the floppy you are writing.
 * This will be used as the title in the progress bar window. Example:
 * "Formatting disk /dev/fd0".
 * @see format_disk
 * @return The exit code of fdformat/superformat.
 */
int format_disk_SUB(char *cmd, char *title)
{

    /*@ int *************************************************************** */
    int res = 0;
    int percentage = 0;
    int maxtracks = 0;
    int trackno = 0;
    int last_trkno = 0;

    /*@ buffers *********************************************************** */
    char *command = NULL;
    char *tempfile;

    /*@ pointers ********************************************************** */
    FILE *pin;

    assert_string_is_neither_NULL_nor_zerolength(cmd);
    assert_string_is_neither_NULL_nor_zerolength(title);

    malloc_string(tempfile);
#ifdef __FreeBSD__
/* Ugh. FreeBSD fdformat prints out this pretty progress indicator that's
   impossible to parse. It looks like
   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVF-------------------
   where V means verified, E means error, F means formatted, and - means
   not done yet.
*/
    return (run_program_and_log_to_screen(cmd, title));
#endif

/* if Debian then do bog-standard superformat; don't be pretty */
    if (strstr(cmd, "superformat")) {
        return (run_program_and_log_to_screen(cmd, title));
    }
/* if not Debian then go ahead & use fdformat */
    strcpy(tempfile,
           call_program_and_get_last_line_of_output
           ("mktemp -q /tmp/mondo.XXXXXXXX"));
    mr_asprintf(&command, "%s >> %s 2>> %s; rm -f %s", cmd, tempfile, tempfile, tempfile);
    mr_msg(3, command);
    open_evalcall_form(title);
    if (!(pin = popen(command, "r"))) {
        log_OS_error("fmt err");
        return (1);
    }
    if (strstr(command, "1722")) {
        maxtracks = 82;
    } else {
        maxtracks = 80;
    }
    mr_free(command);

    for (sleep(1); does_file_exist(tempfile); sleep(1)) {
        trackno = get_trackno_from_logfile(tempfile);
        if (trackno < 0 || trackno > 80) {
            mr_msg(1, "Weird track#");
            continue;
        }
        percentage = trackno * 100 / maxtracks;
        if (trackno <= 5 && last_trkno > 40) {
            close_evalcall_form();
            strcpy(title, "Verifying format");
            open_evalcall_form(title);
        }
        last_trkno = trackno;
        update_evalcall_form(percentage);
    }
    close_evalcall_form();
    if (pclose(pin)) {
        res++;
        log_OS_error("Unable to pclose");
    }
    unlink(tempfile);
    mr_free(tempfile);
    return (res);
}


/**
 * Wrapper around @c format_disk_SUB().
 * This function calls @c format_disk_SUB() with a @c device of its @c device
 * parameter and a @c title of Formatting disk @c device. If the format
 * fails, the user will be given the option of retrying.
 *
 * @param device The floppy drive to write to.
 * @see format_disk_SUB
 * @return The exit code of fdformat/superformat.
 * @ingroup deviceGroup
 */
int format_disk(char *device)
{

    /*@ int ************************************************************** */
    int res = 0;

    /*@ buffer *********************************************************** */
    char *command;
    char *title;

    assert_string_is_neither_NULL_nor_zerolength(device);

    if (!system("which superformat > /dev/null 2> /dev/null")) {
        mr_asprintf(&command, "superformat %s", device);
    } else {
#ifdef __FreeBSD__
        mr_asprintf(&command, "fdformat -y %s", device);
#else
        mr_asprintf(&command, "fdformat %s", device);
#endif
    }
    mr_asprintf(&title, "Formatting disk %s", device);
    while ((res = format_disk_SUB(command, title))) {
        if (!ask_me_yes_or_no("Failed to format disk. Retry?")) {
            return (res);
        }
    }
    mr_free(title);
    mr_free(command);
    return (res);
}


/**
 * Get the <tt>N</tt>th bit of @c array.
 * @param array The bit-array (as a @c char pointer).
 * @param N The number of the bit you want.
 * @return TRUE (bit is set) or FALSE (bit is not set).
 * @see set_bit_N_of_array
 * @ingroup utilityGroup
 */
bool get_bit_N_of_array(char *array, int N)
{
    int element_number;
    int bit_number;
    int mask;

    element_number = N / 8;
    bit_number = N % 8;
    mask = 1 << bit_number;
    if (array[element_number] & mask) {
        return (TRUE);
    } else {
        return (FALSE);
    }
}


/**
 * @addtogroup LLarchiveGroup
 * @{
 */
/**
 * Start up threads to archive your files.
 *
 * This function starts @c ARCH_THREADS threads,
 * each starting execution in @c create_afio_files_in_background().
 * Each thread will archive individual filesets, based on the
 * pointers passed to it and continually updated, until all files
 * have been backed up. This function coordinates the threads
 * and copies their output to the @c scratchdir.
 *
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c scratchdir
 * - @c tmpdir
 * - @c zip_suffix
 *
 * @return The number of errors encountered (0 for success)
 */
int make_afioballs_and_images(struct s_bkpinfo *bkpinfo)
{

    /*@ int ************************************************** */
    int retval = 0;
    long int storing_set_no = 0;
    int res = 0;
    bool done_storing = FALSE;
    char *result_str;
    char *transfer_block;
    void *vp;
    void **pvp;

    /*@ buffers ********************************************** */
    char *storing_filelist_fname;
    char *storing_afioball_fname;
    char *tmp;
    char *media_usage_comment;
    pthread_t archival_thread[ARCH_THREADS];
    char *p_list_of_fileset_flags;
    int *p_archival_threads_running;
    int *p_last_set_archived;
    int *p_next_set_to_archive;
    int noof_threads;
    int i;
    char *curr_xattr_list_fname = NULL;
    char *curr_acl_list_fname;
    int misc_counter_that_is_not_important = 0;

    mr_msg(8, "here");
    assert(bkpinfo != NULL);
    tmp = mr_malloc(MAX_STR_LEN * 2);
    malloc_string(result_str);
    malloc_string(curr_xattr_list_fname);
    malloc_string(curr_acl_list_fname);
    malloc_string(storing_filelist_fname);
    malloc_string(media_usage_comment);
    malloc_string(storing_afioball_fname);
    transfer_block =
        mr_malloc(sizeof(struct s_bkpinfo) + BKPINFO_LOC_OFFSET + 64);
    memset((void *) transfer_block, 0,
           sizeof(struct s_bkpinfo) + BKPINFO_LOC_OFFSET + 64);
    p_last_set_archived = (int *) transfer_block;
    p_archival_threads_running = (int *) (transfer_block + 4);
    p_next_set_to_archive = (int *) (transfer_block + 8);
    p_list_of_fileset_flags = (char *) (transfer_block + 12);
    memcpy((void *) (transfer_block + BKPINFO_LOC_OFFSET),
           (void *) bkpinfo, sizeof(struct s_bkpinfo));
    pvp = &vp;
    vp = (void *) result_str;
    *p_archival_threads_running = 0;
    *p_last_set_archived = -1;
    *p_next_set_to_archive = 0;
    sprintf(tmp, "%s/archives/filelist.full", bkpinfo->scratchdir);
    log_to_screen("Archiving regular files");
    mr_msg(5, "Go, Shorty. It's your birthday.");
    open_progress_form(_("Backing up filesystem"),
                       _("I am backing up your live filesystem now."),
                       _("Please wait. This may take a couple of hours."),
                       _("Working..."),
                       get_last_filelist_number(bkpinfo) + 1);

    mr_msg(5, "We're gonna party like it's your birthday.");

    srand((unsigned int) getpid());
    g_sem_key = 1234 + random() % 30000;
    if ((g_sem_id =
         semget((key_t) g_sem_key, 1,
                IPC_CREAT | S_IREAD | S_IWRITE)) == -1) {
        fatal_error("MABAI - unable to semget");
    }
    if (!set_semvalue()) {
        fatal_error("Unable to init semaphore");
    }                           // initialize semaphore
    for (noof_threads = 0; noof_threads < ARCH_THREADS; noof_threads++) {
        mr_msg(8, "Creating thread #%d", noof_threads);
        (*p_archival_threads_running)++;
        if ((res =
             pthread_create(&archival_thread[noof_threads], NULL,
                            create_afio_files_in_background,
                            (void *) transfer_block))) {
            fatal_error("Unable to create an archival thread");
        }
    }

    mr_msg(8, "About to enter while() loop");
    while (!done_storing) {
        if (g_exiting) {
            fatal_error("Execution run aborted (main loop)");
        }
        if (*p_archival_threads_running == 0
            && *p_last_set_archived == storing_set_no - 1) {
            mr_msg(2,
                    "No archival threads are running. The last stored set was %d and I'm looking for %d. Take off your make-up; the party's over... :-)",
                    *p_last_set_archived, storing_set_no);
            done_storing = TRUE;
        } else
            if (!get_bit_N_of_array
                (p_list_of_fileset_flags, storing_set_no)) {
            misc_counter_that_is_not_important =
                (misc_counter_that_is_not_important + 1) % 5;
            if (!misc_counter_that_is_not_important) {
                update_progress_form(media_usage_comment);
            }
            sleep(1);
        } else {
            // store set N
            sprintf(storing_filelist_fname, FILELIST_FNAME_RAW_SZ,
                    bkpinfo->tmpdir, storing_set_no);
            sprintf(storing_afioball_fname, AFIOBALL_FNAME_RAW_SZ,
                    bkpinfo->tmpdir, storing_set_no, bkpinfo->zip_suffix);
            if (g_getfattr) {
                sprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
                    bkpinfo->tmpdir, storing_set_no);
            }
            if (g_getfacl) {
                sprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
                    bkpinfo->tmpdir, storing_set_no);
            }

            mr_msg(2, "Storing set %d", storing_set_no);
            while (!does_file_exist(storing_filelist_fname)
                   || !does_file_exist(storing_afioball_fname)) {
                mr_msg(2,
                        "Warning - either %s or %s doesn't exist yet. I'll pause 5 secs.",
                        storing_filelist_fname, storing_afioball_fname);
                sleep(5);
            }
            strcpy(media_usage_comment,
                   percent_media_full_comment(bkpinfo));
            /* copy to CD (scratchdir) ... and an actual CD-R if necessary */
            if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
                register_in_tape_catalog(fileset, storing_set_no, -1,
                                         storing_afioball_fname);
                maintain_collection_of_recent_archives(bkpinfo->tmpdir,
                                                       storing_afioball_fname);
                iamhere("Writing EXAT files");
                res += write_EXAT_files_to_tape(bkpinfo,
                                                curr_xattr_list_fname,
                                                curr_acl_list_fname);
                // archives themselves
                res +=
                    move_files_to_stream(bkpinfo, storing_afioball_fname,
                                         NULL);
            } else {
                if (g_getfacl) {
                    if (g_getfattr) {
                        res = move_files_to_cd(bkpinfo, storing_filelist_fname,
                                     curr_xattr_list_fname,
                                     curr_acl_list_fname,
                                     storing_afioball_fname, NULL);
                    } else {
                        res = move_files_to_cd(bkpinfo, storing_filelist_fname,
                                    curr_acl_list_fname,
                                    storing_afioball_fname, NULL);
                    }
                } else {
                    if (g_getfattr) {
                            res = move_files_to_cd(bkpinfo, storing_filelist_fname,
                                    curr_xattr_list_fname,
                                    storing_afioball_fname, NULL);
                    } else {
                            res = move_files_to_cd(bkpinfo, storing_filelist_fname,
                                    storing_afioball_fname, NULL);
                    }
                }
            }
            retval += res;
            g_current_progress++;
            update_progress_form(media_usage_comment);
            if (res) {
                sprintf(tmp,
                        "Failed to add archive %ld's files to CD dir\n",
                        storing_set_no);
                log_to_screen(tmp);
                fatal_error
                    ("Is your hard disk full? If not, please send the author the logfile.");
            }
            storing_set_no++;
            //      sleep(2);
        }
    }
    close_progress_form();

    sprintf(tmp, "Your regular files have been archived ");
    mr_msg(2, "Joining background threads to foreground thread");
    for (i = 0; i < noof_threads; i++) {
        pthread_join(archival_thread[i], pvp);
        mr_msg(3, "Thread %d of %d: closed OK", i + 1, noof_threads);
    }
    del_semvalue();
    mr_msg(2, "Done.");
    if (retval) {
        strcat(tmp, "(with errors).");
    } else {
        strcat(tmp, "successfully.");
    }
    log_to_screen(tmp);
    mr_free(transfer_block);
    mr_free(result_str);
    mr_free(storing_filelist_fname);
    mr_free(media_usage_comment);
    mr_free(storing_afioball_fname);
    mr_free(curr_xattr_list_fname);
    mr_free(curr_acl_list_fname);
    return (retval);
}


void pause_for_N_seconds(int how_long, char *msg)
{
    int i;
    open_evalcall_form(msg);
    for (i = 0; i < how_long; i++) {
        update_evalcall_form((int) ((100.0 / (float) (how_long) * i)));
        sleep(1);
    }
    close_evalcall_form();
}




/**
 * Create an ISO image in @c destfile, from files in @c bkpinfo->scratchdir.
 *
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c call_after_iso
 * - @c call_before_iso
 * - @c call_burn_iso
 * - @c call_make_iso
 * - @c make_cd_use_lilo
 * - @c manual_cd_tray
 * - @c nonbootable_backup
 * - @c scratchdir
 *
 * @param destfile Where to put the generated ISO image.
 * @return The number of errors encountered (0 for success)
 */
int make_iso_fs(struct s_bkpinfo *bkpinfo, char *destfile)
{
    /*@ int ********************************************** */
    int retval = 0;
    int res;

    /*@ buffers ****************************************** */
    char *tmp;
    char *old_pwd;
    char *result_sz;
    char *message_to_screen;
    char *sz_blank_disk;
    char *fnam;
    char *tmp2;
    char *tmp3;
    bool cd_is_mountable;

    malloc_string(old_pwd);
    malloc_string(result_sz);
    malloc_string(message_to_screen);
    malloc_string(sz_blank_disk);
    malloc_string(fnam);
    tmp = mr_malloc(1200);
    tmp2 = mr_malloc(1200);
    tmp3 = mr_malloc(1200);
    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(destfile);

    sprintf(tmp, "%s/isolinux.bin", bkpinfo->scratchdir);
    sprintf(tmp2, "%s/isolinux.bin", bkpinfo->tmpdir);
    if (does_file_exist(tmp)) {
        sprintf(tmp3, "cp -f %s %s", tmp, tmp2);
        paranoid_system(tmp3);
    }
    if (!does_file_exist(tmp) && does_file_exist(tmp2)) {
        sprintf(tmp3, "cp -f %s %s", tmp2, tmp);
        paranoid_system(tmp3);
    }
    /*
       if (!does_file_exist(tmp))
       {
       mr_msg (2, "Silly bug in Mindi.pl; workaround in progress...");
       strcpy(fnam, call_program_and_get_last_line_of_output("locate isolinux.bin | tail -n1"));
       if (strlen(fnam)>0 && does_file_exist(fnam))
       {
       sprintf(tmp, "cp -f %s %s", fnam, bkpinfo->scratchdir);
       res = run_program_and_log_output(tmp, FALSE);
       }
       else
       {
       res = 1;
       }
       if (res)
       {
       mr_msg (2, "Could not work around silly bug in Mindi.pl - sorry! Isolinux.bin missing");
       }
       }
     */
    mr_free(tmp2);
    mr_free(tmp3);
    if (bkpinfo->backup_media_type == iso && bkpinfo->manual_cd_tray) {
        popup_and_OK("Please insert new media and press Enter.");
    }

    mr_msg(2, "make_iso_fs --- scratchdir=%s --- destfile=%s",
            bkpinfo->scratchdir, destfile);
    (void) getcwd(old_pwd, MAX_STR_LEN - 1);
    sprintf(tmp, "chmod 744 %s", bkpinfo->scratchdir);
    run_program_and_log_output(tmp, FALSE);
    chdir(bkpinfo->scratchdir);

    if (bkpinfo->call_before_iso[0] != '\0') {
        sprintf(message_to_screen, "Running pre-ISO call for CD#%d",
                g_current_media_number);
        res =
            eval_call_to_make_ISO(bkpinfo, bkpinfo->call_before_iso,
                                  destfile, g_current_media_number,
                                  MONDO_LOGFILE, message_to_screen);
        if (res) {
            strcat(message_to_screen, "...failed");
        } else {
            strcat(message_to_screen, "...OK");
        }
        log_to_screen(message_to_screen);
        retval += res;
    }

    if (bkpinfo->call_make_iso[0] != '\0') {
        mr_msg(2, "bkpinfo->call_make_iso = %s", bkpinfo->call_make_iso);
        sprintf(tmp, "%s/archives/NOT-THE-LAST", bkpinfo->scratchdir);
        sprintf(message_to_screen, "Making an ISO (%s #%d)",
                media_descriptor_string(bkpinfo->backup_media_type),
                g_current_media_number);

        pause_and_ask_for_cdr(2, &cd_is_mountable); /* if g_current_media_number >= 2 then pause & ask */
        if (retval) {
            log_to_screen
                ("Serious error(s) occurred already. I shan't try to write to media.");
        } else {
            res =
                eval_call_to_make_ISO(bkpinfo, bkpinfo->call_make_iso,
                                      bkpinfo->scratchdir,
                                      g_current_media_number,
                                      MONDO_LOGFILE, message_to_screen);
            if (res) {
                log_to_screen("%s...failed to write", message_to_screen);
            } else {
                log_to_screen("%s...OK", message_to_screen);
                if (!run_program_and_log_output
                    ("tail -n10 /var/log/mondo-archive.log | grep -F ':-('",
                     1)) {
                    log_to_screen
                        ("Despite nonfatal errors, growisofs confirms the write was successful.");
                }
            }
            retval += res;
#ifdef DVDRWFORMAT
            sprintf(tmp,
                    "tail -n8 %s | grep 'blank=full.*dvd-compat.*DAO'",
                    MONDO_LOGFILE);
            if (g_backup_media_type == dvd
                && (res || !run_program_and_log_output(tmp, 1))) {
                log_to_screen
                    ("Failed to write to disk. I shall blank it and then try again.");
                sleep(5);
                system("sync");
                pause_for_N_seconds(5, "Letting DVD drive settle");

// dvd+rw-format --- OPTION 2
                if (!bkpinfo->please_dont_eject) {
                    log_to_screen("Ejecting media to clear drive status.");
                    eject_device(bkpinfo->media_device);
                    inject_device(bkpinfo->media_device);
                }
                pause_for_N_seconds(5, "Letting DVD drive settle");
                sprintf(sz_blank_disk, "dvd+rw-format -force %s",
                        bkpinfo->media_device);
                mr_msg(3, "sz_blank_disk = '%s'", sz_blank_disk);
                res =
                    run_external_binary_with_percentage_indicator_NEW
                    ("Blanking DVD disk", sz_blank_disk);
                if (res) {
                    log_to_screen
                        ("Warning - format failed. (Was it a DVD-R?) Sleeping for 5 seconds to take a breath...");
                    pause_for_N_seconds(5,
                                        "Letting DVD drive settle... and trying again.");
                    res =
                        run_external_binary_with_percentage_indicator_NEW
                        ("Blanking DVD disk", sz_blank_disk);
                    if (res) {
                        log_to_screen("Format failed a second time.");
                    }
                } else {
                    log_to_screen
                        ("Format succeeded. Sleeping for 5 seconds to take a breath...");
                }
                pause_for_N_seconds(5, "Letting DVD drive settle");
                if (!bkpinfo->please_dont_eject) {
                    log_to_screen("Ejecting media to clear drive status.");
                    eject_device(bkpinfo->media_device);
                    inject_device(bkpinfo->media_device);
                }
                pause_for_N_seconds(5, "Letting DVD drive settle");
                res =
                    eval_call_to_make_ISO(bkpinfo, bkpinfo->call_make_iso,
                                          bkpinfo->scratchdir,
                                          g_current_media_number,
                                          MONDO_LOGFILE,
                                          message_to_screen);
                retval += res;
                if (!bkpinfo->please_dont_eject) {
                    log_to_screen("Ejecting media.");
                    eject_device(bkpinfo->media_device);
                }
                if (res) {
                    log_to_screen("Dagnabbit. It still failed.");
                } else {
                    log_to_screen
                        ("OK, this time I successfully backed up to DVD.");
                }
            }
#endif
            if (g_backup_media_type == dvd && !bkpinfo->please_dont_eject) {
                eject_device(bkpinfo->media_device);
            }
        }
    } else {
        sprintf(message_to_screen, "Running mkisofs to make %s #%d",
                media_descriptor_string(bkpinfo->backup_media_type),
                g_current_media_number);
        mr_msg(1, message_to_screen);
        sprintf(result_sz, "Call to mkisofs to make ISO (%s #%d) ",
                media_descriptor_string(bkpinfo->backup_media_type),
                g_current_media_number);
        if (bkpinfo->nonbootable_backup) {
            mr_msg(1, "Making nonbootable backup");
            res =
                eval_call_to_make_ISO(bkpinfo,
                                      "mkisofs -o '_ISO_' -r -p MondoRescue -publisher www.mondorescue.org -A MondoRescue_GPL -V _CD#_ .",
                                      destfile, g_current_media_number,
                                      MONDO_LOGFILE, message_to_screen);
        } else {
            mr_msg(1, "Making bootable backup");

#ifdef __FreeBSD__
            bkpinfo->make_cd_use_lilo = TRUE;
#endif


            mr_msg(1, "make_cd_use_lilo is actually %d",
                    bkpinfo->make_cd_use_lilo);
            if (bkpinfo->make_cd_use_lilo) {
                mr_msg(1, "make_cd_use_lilo = TRUE");
// FIXME --- change mkisofs string to MONDO_MKISOFS_REGULAR_SYSLINUX/LILO depending on bkpinfo->make_cd_usE_lilo
// and add ' .' at end
#ifdef __IA64__
                mr_msg(1, "IA64 --> elilo");
                res = eval_call_to_make_ISO(bkpinfo,
                                            //-b images/mindi-boot.2880.img
                                            "mkisofs -no-emul-boot -b images/mindi-bootroot."
                                            IA64_BOOT_SIZE
                                            ".img -c boot.cat -o '_ISO_' -J -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL -V _CD#_ .",
                                            destfile,
                                            g_current_media_number,
                                            MONDO_LOGFILE,
                                            message_to_screen);
#else
// FIXME --- change mkisofs string to MONDO_MKISOFS_REGULAR_SYSLINUX/LILO depending on bkpinfo->make_cd_usE_lilo
// and add ' .' at end
                mr_msg(1, "Non-ia64 --> lilo");
                res =
                    eval_call_to_make_ISO(bkpinfo,
                                          "mkisofs -b images/mindi-bootroot.2880.img -c boot.cat -o '_ISO_' -J -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL -V _CD#_ .",
                                          destfile, g_current_media_number,
                                          MONDO_LOGFILE,
                                          message_to_screen);
#endif
            } else {
                mr_msg(1, "make_cd_use_lilo = FALSE");
                mr_msg(1, "Isolinux");
                res =
                    eval_call_to_make_ISO(bkpinfo,
                                          "mkisofs -no-emul-boot -b isolinux.bin -boot-load-size 4 -boot-info-table -c boot.cat -o '_ISO_' -J -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL -V _CD#_ .",
                                          destfile, g_current_media_number,
                                          MONDO_LOGFILE,
                                          message_to_screen);
            }
        }
        if (res) {
            strcat(result_sz, "...failed");
        } else {
            strcat(result_sz, "...OK");
        }
        log_to_screen(result_sz);
        retval += res;
    }

    if (bkpinfo->backup_media_type == cdr
        || bkpinfo->backup_media_type == cdrw) {
        if (is_this_device_mounted(bkpinfo->media_device)) {
            mr_msg(2,
                    "Warning - %s mounted. I'm unmounting it before I burn to it.",
                    bkpinfo->media_device);
            sprintf(tmp, "umount %s", bkpinfo->media_device);
            run_program_and_log_output(tmp, FALSE);
        }
    }

    if (bkpinfo->call_burn_iso[0] != '\0') {
        mr_msg(2, "bkpinfo->call_burn_iso = %s", bkpinfo->call_burn_iso);
        sprintf(message_to_screen, "Burning %s #%d",
                media_descriptor_string(bkpinfo->backup_media_type),
                g_current_media_number);
        pause_and_ask_for_cdr(2, &cd_is_mountable);
        res =
            eval_call_to_make_ISO(bkpinfo, bkpinfo->call_burn_iso,
                                  destfile, g_current_media_number,
                                  MONDO_LOGFILE, message_to_screen);
        if (res) {
            strcat(message_to_screen, "...failed");
        } else {
            strcat(message_to_screen, "...OK");
        }
        log_to_screen(message_to_screen);
        retval += res;
    }

    if (bkpinfo->call_after_iso[0] != '\0') {
        sprintf(message_to_screen, "Running post-ISO call (%s #%d)",
                media_descriptor_string(bkpinfo->backup_media_type),
                g_current_media_number);
        res =
            eval_call_to_make_ISO(bkpinfo, bkpinfo->call_after_iso,
                                  destfile, g_current_media_number,
                                  MONDO_LOGFILE, message_to_screen);
        if (res) {
            strcat(message_to_screen, "...failed");
        } else {
            strcat(message_to_screen, "...OK");
        }
        log_to_screen(message_to_screen);
        retval += res;
    }

    chdir(old_pwd);
    if (retval) {
        mr_msg(1, "WARNING - make_iso_fs returned an error");
    }
    mr_free(old_pwd);
    mr_free(result_sz);
    mr_free(message_to_screen);
    mr_free(sz_blank_disk);
    mr_free(fnam);
    mr_free(tmp);
    return (retval);
}









bool is_dev_an_NTFS_dev(char *bigfile_fname)
{
    char *tmp;
    char *command;
    malloc_string(tmp);
    malloc_string(command);
    sprintf(command,
            "dd if=%s bs=512 count=1 2> /dev/null | strings | head -n1",
            bigfile_fname);
    mr_msg(1, "command = '%s'", command);
    strcpy(tmp, call_program_and_get_last_line_of_output(command));
    mr_msg(1, "--> tmp = '%s'", tmp);
    if (strstr(tmp, "NTFS")) {
        iamhere("TRUE");
        return (TRUE);
    } else {
        iamhere("FALSE");
        return (FALSE);
    }
}


/**
 * Back up big files by chopping them up.
 * This function backs up all "big" files (where "big" depends
 * on your backup media) in "chunks" (whose size again depends
 * on your media).
 *
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c optimal_set_size
 * @param biggielist_fname The path to a file containing a list of
 * all "big" files.
 * @return The number of errors encountered (0 for success)
 * @see slice_up_file_etc
 */
int
make_slices_and_images(struct s_bkpinfo *bkpinfo, char *biggielist_fname)
{

    /*@ pointers ******************************************* */
    FILE *fin;
    char *p;

    /*@ buffers ******************************************** */
    char *tmp;
    char *bigfile_fname;
    char *sz_devfile;
    char *ntfsprog_fifo = NULL;
    /*@ long *********************************************** */
    long biggie_file_number = 0;
    long noof_biggie_files = 0;
    long estimated_total_noof_slices = 0;

    /*@ int ************************************************ */
    int retval = 0;
    int res = 0;
    pid_t pid;
    FILE *ftmp = NULL;
    bool delete_when_done;
    bool use_ntfsprog;
    off_t biggie_fsize;

    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(biggielist_fname);

    malloc_string(tmp);
    malloc_string(bigfile_fname);
    malloc_string(sz_devfile);
    estimated_total_noof_slices =
        size_of_all_biggiefiles_K(bkpinfo) / bkpinfo->optimal_set_size + 1;

    mr_msg(1, "size of all biggiefiles = %ld",
            size_of_all_biggiefiles_K(bkpinfo));
    mr_msg(1, "estimated_total_noof_slices = %ld KB / %ld KB = %ld",
            size_of_all_biggiefiles_K(bkpinfo), bkpinfo->optimal_set_size,
            estimated_total_noof_slices);

    if (length_of_file(biggielist_fname) < 6) {
        mr_msg(1, "No biggiefiles; fair enough...");
        return (0);
    }
    sprintf(tmp, "I am now backing up all large files.");
    log_to_screen(tmp);
    noof_biggie_files = count_lines_in_file(biggielist_fname);
    open_progress_form("Backing up big files", tmp,
                       "Please wait. This may take some time.", "",
                       estimated_total_noof_slices);
    if (!(fin = fopen(biggielist_fname, "r"))) {
        log_OS_error("Unable to openin biggielist");
        return (1);
    }
    for (fgets(bigfile_fname, MAX_STR_LEN, fin); !feof(fin);
         fgets(bigfile_fname, MAX_STR_LEN, fin), biggie_file_number++) {
        use_ntfsprog = FALSE;
        if (bigfile_fname[strlen(bigfile_fname) - 1] < 32) {
            bigfile_fname[strlen(bigfile_fname) - 1] = '\0';
        }
        biggie_fsize = length_of_file(bigfile_fname);
        delete_when_done = FALSE;

        if (!does_file_exist(bigfile_fname)) {
            ftmp = fopen(bigfile_fname, "w");
            paranoid_fclose(ftmp);
            sprintf(tmp, "bigfile %s was deleted - creating a dummy",
                    bigfile_fname);
            delete_when_done = TRUE;
        } else {
            // Call ntfsclone (formerly partimagehack) if it's a /dev entry 
            // (i.e. a partition to be imaged)
            mr_msg(2, "bigfile_fname = %s", bigfile_fname);
            use_ntfsprog = FALSE;
            if (!strncmp(bigfile_fname, "/dev/", 5)
                && is_dev_an_NTFS_dev(bigfile_fname)) {
                use_ntfsprog = TRUE;
                mr_msg(2,
                        "Calling ntfsclone in background because %s is an NTFS partition",
                        bigfile_fname);
                sprintf(sz_devfile, "%s/%d.%d.000",
                        bkpinfo->tmpdir,
                        (int) (random() % 32768),
                        (int) (random() % 32768));
                mkfifo(sz_devfile, 0x770);
                ntfsprog_fifo = sz_devfile;
                switch (pid = fork()) {
                case -1:
                    fatal_error("Fork failure");
                case 0:
                    mr_msg(2,
                            "CHILD - fip - calling feed_into_ntfsprog(%s, %s)",
                            bigfile_fname, sz_devfile);
                    res = feed_into_ntfsprog(bigfile_fname, sz_devfile);
                    exit(res);
                    break;
                default:
                    mr_msg(2,
                            "feed_into_ntfsprog() called in background --- pid=%ld",
                            (long int) (pid));
                }
            }
// Otherwise, use good old 'dd' and 'bzip2'
            else {
                sz_devfile[0] = '\0';
                ntfsprog_fifo = NULL;
            }

// Whether partition or biggiefile, just do your thang :-)
            sprintf(tmp, "Bigfile #%ld is '%s' (%ld KB)",
                    biggie_file_number + 1, bigfile_fname,
                    (long) biggie_fsize >> 10);
            if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
                write_header_block_to_stream(biggie_fsize, bigfile_fname,
                                             use_ntfsprog ?
                                             BLK_START_A_PIHBIGGIE :
                                             BLK_START_A_NORMBIGGIE);
            }
            res =
                slice_up_file_etc(bkpinfo, bigfile_fname,
                                  ntfsprog_fifo, biggie_file_number,
                                  noof_biggie_files, use_ntfsprog);
            if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
                write_header_block_to_stream((off_t)0,
                                             calc_checksum_of_file
                                             (bigfile_fname),
                                             BLK_STOP_A_BIGGIE);
            }
            retval += res;
            p = strrchr(bigfile_fname, '/');
            if (p) {
                p++;
            } else {
                p = bigfile_fname;
            }
            sprintf(tmp, "Archiving %s ... ", bigfile_fname);
            if (res) {
                strcat(tmp, "Failed!");
            } else {
                strcat(tmp, "OK");
            }
            if (delete_when_done) {
                unlink(bigfile_fname);
                delete_when_done = FALSE;
            }
        }
#ifndef _XWIN
        if (!g_text_mode) {
            newtDrawRootText(0, g_noof_rows - 2, tmp);
            newtRefresh();
        }
#endif
    }
    mr_msg(1, "Finished backing up bigfiles");
    mr_msg(1, "estimated slices = %ld; actual slices = %ld",
            estimated_total_noof_slices, g_current_progress);
    close_progress_form();
    paranoid_fclose(fin);
    mr_free(tmp);
    mr_free(bigfile_fname);
    mr_free(sz_devfile);
    return (retval);
}




/**
 * Single-threaded version of @c make_afioballs_and_images().
 * @see make_afioballs_and_images
 */
int make_afioballs_and_images_OLD(struct s_bkpinfo *bkpinfo)
{

    /*@ int ************************************************** */
    int retval = 0;
    long int curr_set_no = 0;
    int res = 0;

    /*@ buffers ********************************************** */
    char *curr_filelist_fname;
    char *curr_afioball_fname;
    char *curr_xattr_list_fname;
    char *curr_acl_list_fname;
    char *tmp;
    char *media_usage_comment;

    malloc_string(curr_afioball_fname);
    malloc_string(media_usage_comment);
    malloc_string(curr_filelist_fname);
    malloc_string(curr_xattr_list_fname);
    malloc_string(curr_acl_list_fname);

    tmp = mr_malloc(MAX_STR_LEN * 2);

    sprintf(tmp, "%s/archives/filelist.full", bkpinfo->scratchdir);

    log_to_screen("Archiving regular files");

    open_progress_form("Backing up filesystem",
                       "I am backing up your live filesystem now.",
                       "Please wait. This may take a couple of hours.",
                       "Working...",
                       get_last_filelist_number(bkpinfo) + 1);

    sprintf(curr_filelist_fname, FILELIST_FNAME_RAW_SZ, bkpinfo->tmpdir,
            0L);

    for (curr_set_no = 0; does_file_exist(curr_filelist_fname);
         sprintf(curr_filelist_fname, FILELIST_FNAME_RAW_SZ,
                 bkpinfo->tmpdir, ++curr_set_no)) {
        /* backup this set of files */
        sprintf(curr_filelist_fname, FILELIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, curr_set_no);
        sprintf(curr_afioball_fname, AFIOBALL_FNAME_RAW_SZ,
                bkpinfo->tmpdir, curr_set_no, bkpinfo->zip_suffix);

        mr_msg(1, "EXAT'g set %ld", curr_set_no);
        if (g_getfattr) {
            sprintf(curr_xattr_list_fname, XATTR_LIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, curr_set_no);
            get_fattr_list(curr_filelist_fname, curr_xattr_list_fname);
        }
        if (g_getfacl) {
            sprintf(curr_acl_list_fname, ACL_LIST_FNAME_RAW_SZ,
                bkpinfo->tmpdir, curr_set_no);
            get_acl_list(curr_filelist_fname, curr_acl_list_fname);
        }

        mr_msg(1, "Archiving set %ld", curr_set_no);
        res =
            archive_this_fileset(bkpinfo, curr_filelist_fname,
                                 curr_afioball_fname, curr_set_no);
        retval += res;
        if (res) {
            sprintf(tmp,
                    "Errors occurred while archiving set %ld. Perhaps your live filesystem changed?",
                    curr_set_no);
            log_to_screen(tmp);
        }

        strcpy(media_usage_comment, percent_media_full_comment(bkpinfo));

        /* copy to CD (scratchdir) ... and an actual CD-R if necessary */
        if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
            register_in_tape_catalog(fileset, curr_set_no, -1,
                                     curr_afioball_fname);
            maintain_collection_of_recent_archives(bkpinfo->tmpdir,
                                                   curr_afioball_fname);
            iamhere("Writing EXAT files");
            res +=
                write_EXAT_files_to_tape(bkpinfo, curr_xattr_list_fname,
                                         curr_acl_list_fname);
// archives themselves
            res = move_files_to_stream(bkpinfo, curr_afioball_fname, NULL);
        } else {
                if (g_getfacl) {
                    if (g_getfattr) {
                        res = move_files_to_cd(bkpinfo, curr_filelist_fname,
                                     curr_xattr_list_fname,
                                     curr_acl_list_fname,
                                     curr_afioball_fname, NULL);
                    } else {
                        res = move_files_to_cd(bkpinfo, curr_filelist_fname,
                                    curr_acl_list_fname,
                                    curr_afioball_fname, NULL);
                    }
                } else {
                    if (g_getfattr) {
                            res = move_files_to_cd(bkpinfo, curr_filelist_fname,
                                    curr_xattr_list_fname,
                                    curr_afioball_fname, NULL);
                    } else {
                            res = move_files_to_cd(bkpinfo, curr_filelist_fname,
                                    curr_afioball_fname, NULL);
                    }
                }
        }
        retval += res;
        g_current_progress++;
        update_progress_form(media_usage_comment);

        if (res) {
            sprintf(tmp, "Failed to add archive %ld's files to CD dir\n",
                    curr_set_no);
            log_to_screen(tmp);
            fatal_error
                ("Is your hard disk is full? If not, please send the author the logfile.");
        }
    }
    close_progress_form();
    sprintf(tmp, "Your regular files have been archived ");
    if (retval) {
        strcat(tmp, "(with errors).");
    } else {
        strcat(tmp, "successfully.");
    }
    log_to_screen(tmp);
    mr_free(tmp);
    mr_free(curr_filelist_fname);
    mr_free(curr_afioball_fname);
    mr_free(media_usage_comment);
    mr_free(curr_xattr_list_fname);
    mr_free(curr_acl_list_fname);
    return (retval);
}

/* @} - end of LLarchiveGroup */


/**
 * Wrapper around @c make_afioballs_and_images().
 * @param bkpinfo the backup information structure. Only the
 * @c backup_media_type field is used within this function.
 * @return return code of make_afioballs_and_images
 * @see make_afioballs_and_images
 * @ingroup MLarchiveGroup
 */
int make_those_afios_phase(struct s_bkpinfo *bkpinfo)
{
    /*@ int ******************************************* */
    int res = 0;
    int retval = 0;

    assert(bkpinfo != NULL);

    mvaddstr_and_log_it(g_currentY, 0,
                        "Archiving regular files to media          ");

    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        write_header_block_to_stream((off_t)0, "start-of-afioballs",
                                     BLK_START_AFIOBALLS);
#if __FreeBSD__ == 5
        mr_msg(1,
                "Using single-threaded make_afioballs_and_images() to suit b0rken FreeBSD 5.0");
        res = make_afioballs_and_images_OLD(bkpinfo);
#else
        res = make_afioballs_and_images_OLD(bkpinfo);
#endif
        write_header_block_to_stream((off_t)0, "stop-afioballs",
                                     BLK_STOP_AFIOBALLS);
    } else {
        res = make_afioballs_and_images(bkpinfo);
    }

    retval += res;
    if (res) {
        mvaddstr_and_log_it(g_currentY++, 74, "Errors.");
        mr_msg(1, "make_afioballs_and_images returned an error");
    } else {
        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
    }
    return (retval);
}

/**
 * Wrapper around @c make_slices_and_images().
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c scratchdir
 * - @c tmpdir
 * @return The number of errors encountered (0 for success)
 * @ingroup MLarchiveGroup
 */
int make_those_slices_phase(struct s_bkpinfo *bkpinfo)
{

    /*@ int ***************************************************** */
    int res = 0;
    int retval = 0;

    /*@ buffers ************************************************** */
    char *biggielist;
    char *command;
    char *blah;
    char *xattr_fname;
    char *acl_fname;

    assert(bkpinfo != NULL);
    /* slice big files */
    malloc_string(blah);
    malloc_string(biggielist);
    malloc_string(xattr_fname);
    malloc_string(acl_fname);
    command = mr_malloc(1200);
    mvaddstr_and_log_it(g_currentY, 0,
                        "Archiving large files to media           ");
    sprintf(biggielist, "%s/archives/biggielist.txt", bkpinfo->scratchdir);
    if (g_getfattr) {
        sprintf(xattr_fname, XATTR_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
    }
    if (g_getfacl) {
        sprintf(acl_fname, ACL_BIGGLST_FNAME_RAW_SZ, bkpinfo->tmpdir);
    }

    sprintf(command, "cp %s/biggielist.txt %s", bkpinfo->tmpdir,
            biggielist);
    paranoid_system(command);
    sprintf(blah, "biggielist = %s", biggielist);
    mr_msg(2, blah);

    if (!does_file_exist(biggielist)) {
        mr_msg(1, "BTW, the biggielist does not exist");
    }

    if (g_getfattr) {
        get_fattr_list(biggielist, xattr_fname);
        sprintf(command, "cp %s %s/archives/", xattr_fname,
            bkpinfo->scratchdir);
        paranoid_system(command);
    }
    if (g_getfacl) {
        get_acl_list(biggielist, acl_fname);
        sprintf(command, "cp %s %s/archives/", acl_fname, bkpinfo->scratchdir);
        paranoid_system(command);
    }

    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        res += write_EXAT_files_to_tape(bkpinfo, xattr_fname, acl_fname);
        sprintf(blah, "%ld", count_lines_in_file(biggielist));
        write_header_block_to_stream((off_t)0, blah, BLK_START_BIGGIEFILES);
    }
    res = make_slices_and_images(bkpinfo, biggielist);
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        write_header_block_to_stream((off_t)0, "end-of-biggiefiles",
                                     BLK_STOP_BIGGIEFILES);
    }
    retval += res;
    if (res) {
        mr_msg(1, "make_slices_and_images returned an error");
        mvaddstr_and_log_it(g_currentY++, 74, "Errors.");
    } else {
        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
    }
    mr_free(blah);
    mr_free(biggielist);
    mr_free(command);
    mr_free(xattr_fname);
    mr_free(acl_fname);
    return (retval);
}



/**
 * @addtogroup LLarchiveGroup
 * @{
 */
/**
 * Function pointer to an appropriate @c move_files_to_cd routine.
 * You can set this to your own function (for example, one to
 * transfer files over the network) or leave it as is.
 */
int (*move_files_to_cd) (struct s_bkpinfo *, char *, ...) =
    _move_files_to_cd;

/**
 * Move some files to the ISO scratch directory.
 * This function moves files specified as parameters, into the directory
 * @c bkpinfo->scratchdir, where the files that will be stored on the next
 * CD are waiting.
 *
 * @param bkpinfo The backup information structure. Fields used:
 * - @c media_size
 * - @c scratchdir
 * @param files_to_add The files to add to the scratchdir.
 * @warning The list of @c files_to_add must be terminated with @c NULL.
 * @note If and when the space occupied by the scratchdir would exceed
 * the capacity of the current CD,
 * <tt>write_iso_and_go_on(bkpinfo, FALSE)</tt> is called and the
 * scratchdir is emptied.
 *
 * @return The number of errors encountered (0 for success)
 */
int _move_files_to_cd(struct s_bkpinfo *bkpinfo, char *files_to_add, ...)
{

    /*@ int ************************************************************ */
    int retval = 0;
    int res = 0;

    /*@ buffers ******************************************************** */
    char *tmp, *curr_file, *cf;

    /*@ long ************************************************************ */
    va_list ap;
    long long would_occupy;

    assert(bkpinfo != NULL);
    malloc_string(curr_file);
    tmp = mr_malloc(1200);
    would_occupy = space_occupied_by_cd(bkpinfo->scratchdir);
    va_start(ap, files_to_add); // initialize the variable arguments
    for (cf = files_to_add; cf != NULL; cf = va_arg(ap, char *)) {
        if (!cf) {
            continue;
        }
        strcpy(curr_file, cf);
        if (!does_file_exist(curr_file)) {
            mr_msg(1,
                    "Warning - you're trying to add a non-existent file - '%s' to the CD",
                    curr_file);
        } else {
            mr_msg(8, "Trying to add file %s to CD", curr_file);
            would_occupy += length_of_file(curr_file) / 1024;
        }
    }
    va_end(ap);

    if (bkpinfo->media_size[g_current_media_number] <= 0) {
        fatal_error("move_files_to_cd() - unknown media size");
    }
    if (would_occupy / 1024 > bkpinfo->media_size[g_current_media_number]) {
        res = write_iso_and_go_on(bkpinfo, FALSE);  /* FALSE because this is not the last CD we'll write */
        retval += res;
        if (res) {
            mr_msg(1, "WARNING - write_iso_and_go_on returned an error");
        }
    }

    va_start(ap, files_to_add); // initialize the variable arguments
    for (cf = files_to_add; cf != NULL; cf = va_arg(ap, char *)) {
        if (!cf) {
            continue;
        }
        strcpy(curr_file, cf);

        sprintf(tmp, "mv -f %s %s/archives/", curr_file,
                bkpinfo->scratchdir);
        res = run_program_and_log_output(tmp, 5);
        retval += res;
        if (res) {
            mr_msg(1, "(move_files_to_cd) '%s' failed", tmp);
        } else {
            mr_msg(8, "Moved %s to CD OK", tmp);
        }
        //      unlink (curr_file);
    }
    va_end(ap);

    if (retval) {
        mr_msg(1,
                "Warning - errors occurred while I was adding files to CD dir");
    }
    mr_free(tmp);
    mr_free(curr_file);
    return (retval);
}

/* @} - end of LLarchiveGroup */








/**
 * Offer to write boot and data disk images to 3.5" floppy disks.
 * @param bkpinfo The backup information structure. Only the
 * @c backup_media_type field is used in this function.
 * @param imagesdir The directory containing the floppy images (usually
 * /var/cache/mindi).
 *
 * @return The number of errors encountered (0 for success)
 * @see write_image_to_floppy
 * @see format_disk
 * @ingroup MLarchiveGroup
 */
int offer_to_write_floppies(struct s_bkpinfo *bkpinfo, char *imagesdir)
{
    /*@ buffer ************************************************************ */
    char *tmp;
    char *comment;
    char *bootdisk_dev;
    char *datadisk_dev;
    char *bootdisk_file;
    char *rootdisk_file;

    /*@ int *************************************************************** */
    int i = 0;
    int res = 0;

    /*@ bool ************************************************************** */
    bool format_first;
    bool root_disk_exists = FALSE;

    malloc_string(tmp);
    malloc_string(comment);
    malloc_string(bootdisk_dev);
    malloc_string(datadisk_dev);
    malloc_string(rootdisk_file);
    malloc_string(bootdisk_file);
    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(imagesdir);


    if (!ask_me_yes_or_no
        ("Write boot and data disk images to 3.5\" floppy disks?")) {
        return (0);
    }
    if (does_device_exist(DEFAULT_1722MB_DISK)) {
#ifdef __FreeBSD__
        // tell the system that this is a 1.72m floppy
        system("/usr/sbin/fdcontrol -F 1722 /dev/fd0.1722");
#endif
        strcpy(bootdisk_dev, DEFAULT_1722MB_DISK);
    } else if (does_device_exist(BACKUP_1722MB_DISK)) {
        sprintf(bootdisk_dev, "/dev/fd0H1722");
    } else {
        mr_msg(1, "Warning - can't find a 1.72MB floppy device *sigh*");
        strcpy(bootdisk_dev, DEFAULT_1722MB_DISK);
//      return (1);
    }
    strcpy(datadisk_dev, "/dev/fd0");
    if (!does_device_exist(datadisk_dev)) {
        mr_msg(1, "Warning - can't find a 1.44MB floppy device *sigh*");
        strcpy(datadisk_dev, "/dev/fd0");
//      return (1);
    }
    format_first =
        ask_me_yes_or_no
        ("Do you want me to format the disks before I write to them?");

/* boot disk */
    if (ask_me_OK_or_cancel("About to write boot disk")) {
        log_to_screen("Writing boot floppy");
#ifdef __FreeBSD__
        sprintf(tmp, "%s/mindi-kern.1722.img", imagesdir);
        if (format_first) {
            format_disk(bootdisk_dev);
        }
        res += write_image_to_floppy(bootdisk_dev, tmp);
        if (ask_me_OK_or_cancel("About to write 1.44MB mfsroot disk")) {
            log_to_screen("Writing mfsroot floppy");
            if (format_first) {
                format_disk(datadisk_dev);
            }
            sprintf(tmp, "%s/mindi-mfsroot.1440.img", imagesdir);
            write_image_to_floppy(datadisk_dev, tmp);
        }
#else
        sprintf(bootdisk_file, "%s/mindi-bootroot.1722.img", imagesdir);
        if (does_file_exist(bootdisk_file)) {
            if (format_first) {
                format_disk(bootdisk_dev);
            }
            res += write_image_to_floppy(bootdisk_dev, bootdisk_file);
        } else {
            sprintf(bootdisk_file, "%s/mindi-boot.1440.img", imagesdir);
            sprintf(rootdisk_file, "%s/mindi-root.1440.img", imagesdir);
            root_disk_exists = TRUE;
            if (!does_file_exist(rootdisk_file)
                || !does_file_exist(bootdisk_file)) {
                popup_and_OK
                    ("Cannot write boot/root floppies. Files not found.");
                log_to_screen
                    ("Failed to find boot/root floppy images. Oh dear.");
                return (1);
            }
            if (format_first) {
                format_disk(datadisk_dev);
            }
            /*
               sprintf(tmp, "cat %s > %s", bootdisk_file, datadisk_dev);
               res += run_external_binary_with_percentage_indicator_NEW("Writing boot floppy", tmp);
             */
            res += write_image_to_floppy(datadisk_dev, bootdisk_file);
            if (ask_me_OK_or_cancel("About to write root disk")) {
                log_to_screen("Writing root floppy");
                if (format_first) {
                    format_disk(datadisk_dev);
                }
                sprintf(tmp, "cat %s > %s", rootdisk_file, datadisk_dev);
                mr_msg(1, "tmp = '%s'", tmp);
                res +=
                    run_external_binary_with_percentage_indicator_NEW
                    ("Writing root floppy", tmp);
//              res += write_image_to_floppy (datadisk_dev, rootdisk_file);
            }
        }
#endif
    }
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        log_to_screen
            ("FYI, the data disks are stored on tape/CD for your convenience.");
        return (0);
    }
    for (i = 1; i < 99; i++) {
        sprintf(tmp, "%s/mindi-data-%d.img", imagesdir, i);
        mr_msg(3, tmp);
        if (!does_file_exist(tmp)) {
            mr_msg(3, "...not found");
            break;
        }
        sprintf(comment, "About to write data disk #%d", i);
        if (ask_me_OK_or_cancel(comment)) {
            sprintf(comment, "Writing data disk #%3d", i);
            log_to_screen(comment);
            if (format_first) {
                res += format_disk(datadisk_dev);
            }
            res += write_image_to_floppy(datadisk_dev, tmp);
        }
    }
    mr_free(tmp);
    mr_free(comment);
    mr_free(bootdisk_dev);
    mr_free(datadisk_dev);
    return (res);
}








/**
 * Wrapper around @c offer_to_write_floppies().
 * @param bkpinfo The backup information structure. Used only
 * in the call to @c offer_to_write_floppies().
 * @return 0 if the boot floppies were found (not necessarily written OK),
 * 1 otherwise.
 * @see offer_to_write_floppies
 * @ingroup MLarchiveGroup
 */

int offer_to_write_boot_floppies_to_physical_disks(struct s_bkpinfo
                                                   *bkpinfo)
{
    int res = 0;

    assert(bkpinfo != NULL);

    mvaddstr_and_log_it(g_currentY, 0,
                        "Writing boot+data floppy images to disk");

    if (!bkpinfo->nonbootable_backup) {
#ifdef __FreeBSD__
        if (!does_file_exist("/var/cache/mindi/mindi-kern.1722.img"))
#else
        if (!does_file_exist("/var/cache/mindi/mindi-bootroot.1722.img")
            && !does_file_exist("/var/cache/mindi/mindi-boot.1440.img"))
#endif
        {
            mvaddstr_and_log_it(g_currentY++, 74, "No Imgs");
            if (does_file_exist("/var/cache/mindi/mondorescue.iso")) {
                popup_and_OK
                    ("Boot+data floppy creation failed. However, FYI, you may burn /var/cache/mindi/mondorescue.iso to a CD and boot from that instead if you wish.");
                res++;
            }
        } else {
            offer_to_write_floppies(bkpinfo, "/var/cache/mindi");
            mvaddstr_and_log_it(g_currentY++, 74, "Done.");
        }
    } else {
        popup_and_OK
            ("Since you opted for a nonbootable backup, no boot floppies were created.");
    }

    return (res);
}




/**
 * @addtogroup LLarchiveGroup
 * @{
 */
/**
 * Function pointer to an appropriate @c move_files_to_stream routine.
 * You can set this to your own function (for example, one to
 * transfer files over the network) or leave it as is.
 */
int (*move_files_to_stream) (struct s_bkpinfo *, char *, ...) =
    _move_files_to_stream;

/**
 * Copy some files to tape.
 * This function copies the files specified as parameters into the tape stream.
 *
 * @param bkpinfo The backup information structure. Used only in the call to
 * @c write_file_to_stream_from_file().
 *
 * @param files_to_add The files to copy to the tape stream.
 * @warning The list of @c files_to_add must be terminated with @c NULL.
 * @note Files may be split across multiple tapes if necessary.
 *
 * @return The number of errors encountered (0 for success)
 */
int
_move_files_to_stream(struct s_bkpinfo *bkpinfo, char *files_to_add, ...)
{

    /*@ int ************************************************************ */
    int retval = 0;
    int res = 0;
    /*@ buffers ******************************************************** */

    /*@ char *********************************************************** */
    char start_chr;
    char stop_chr;
    char *curr_file, *cf;
    /*@ long long ****************************************************** */
    off_t length_of_incoming_file = (off_t)0;
    t_archtype type;
    va_list ap;

    assert(bkpinfo != NULL);
    malloc_string(curr_file);
    va_start(ap, files_to_add);
    for (cf = files_to_add; cf != NULL; cf = va_arg(ap, char *)) {
        if (!cf) {
            continue;
        }
        strcpy(curr_file, cf);
        if (!does_file_exist(curr_file)) {
            mr_msg(1,
                    "Warning - you're trying to add a non-existent file - '%s' to the tape",
                    curr_file);
        }
/* create header chars */
        start_chr = BLK_START_AN_AFIO_OR_SLICE;
        stop_chr = BLK_STOP_AN_AFIO_OR_SLICE;
/* ask for new tape if necessary */
        length_of_incoming_file = length_of_file(curr_file);
        write_header_block_to_stream(length_of_incoming_file, curr_file,
                                     start_chr);
        if (strstr(curr_file, ".afio.") || strstr(curr_file, ".star.")) {
            type = fileset;
        } else if (strstr(curr_file, "slice")) {
            type = biggieslice;
        } else {
            type = other;
        }
        res = write_file_to_stream_from_file(bkpinfo, curr_file);
        retval += res;
        unlink(curr_file);
/* write closing header */
        write_header_block_to_stream((off_t)0, "finished-writing-file", stop_chr);
    }
    va_end(ap);

    if (retval) {
        mr_msg(1,
                "Warning - errors occurred while I was adding file to tape");
    }
    mr_free(curr_file);
    return (retval);
}

/* @} - end of LLarchiveGroup */



/**
 * @addtogroup utilityGroup
 * @{
 */
/**
 * Make sure the user has a valid CD-R(W) in the CD drive.
 * @param cdrw_dev Set to the CD-R(W) device checked.
 * @param keep_looping If TRUE, keep pestering user until they insist
 * or insert a correct CD; if FALSE, only check once.
 * @return 0 (there was an OK CD in the drive) or 1 (there wasn't).
 */
int interrogate_disk_currently_in_cdrw_drive(char *cdrw_dev,
                                             bool keep_looping)
{
    char *tmp;
    int res = 0;
    char *bkp;
    char *cdrecord;

    malloc_string(tmp);
    malloc_string(bkp);
    malloc_string(cdrecord);
    strcpy(bkp, cdrw_dev);
    if (find_cdrw_device(cdrw_dev)) {
        strcpy(cdrw_dev, bkp);
    } else {
        if (!system("which cdrecord > /dev/null 2> /dev/null")) {
            sprintf(cdrecord, "cdrecord dev=%s -atip", cdrw_dev);
        } else if (!system("which dvdrecord > /dev/null 2> /dev/null")) {
            sprintf(cdrecord, "cdrecord dev=%s -atip", cdrw_dev);
        } else {
            cdrecord[0] = '\0';
            mr_msg(2, "Oh well. I guess I'll just pray then.");
        }
        if (cdrecord[0]) {
            if (!keep_looping) {
                retract_CD_tray_and_defeat_autorun();
                res = run_program_and_log_output(cdrecord, 5);
            } else {
                while ((res = run_program_and_log_output(cdrecord, 5))) {
                    retract_CD_tray_and_defeat_autorun();
                    if (ask_me_yes_or_no
                        ("Unable to examine CD. Are you sure this is a valid CD-R(W) CD?"))
                    {
                        mr_msg(1, "Well, he insisted...");
                        break;
                    }
                }
            }
        }
    }
//  retract_CD_tray_and_defeat_autorun();
    mr_free(tmp);
    mr_free(cdrecord);
    mr_free(bkp);
    return (res);
}









/**
 * Asks the user to put a CD-R(W) in the drive.
 * @param ask_for_one_if_more_than_this (unused)
 * @param pmountable If non-NULL, pointed-to value is set to TRUE if the CD is mountable, FALSE otherwise.
 */
void
pause_and_ask_for_cdr(int ask_for_one_if_more_than_this, bool * pmountable)
{

    /*@ buffers ********************************************* */
    char *tmp;
    char *szmsg;
    char *cdrom_dev;
    char *cdrw_dev;
    char *our_serial_str;
    bool ok_go_ahead_burn_it;
    int cd_number = -1;
    int attempt_to_mount_returned_this = 999;
    char *mtpt;
    char *szcdno;
    char *szserfname;
    char *szunmount;

    malloc_string(tmp);
    malloc_string(szmsg);
    malloc_string(cdrom_dev);
    malloc_string(cdrw_dev);
    malloc_string(mtpt);
    malloc_string(szcdno);
    malloc_string(szserfname);
    malloc_string(our_serial_str);
    malloc_string(szunmount);

    sprintf(szmsg, "I am about to burn %s #%d",
            media_descriptor_string(g_backup_media_type),
            g_current_media_number);
    log_to_screen(szmsg);
    if (g_current_media_number < ask_for_one_if_more_than_this) {
        return;
    }
    log_to_screen("Scanning CD-ROM drive...");
    sprintf(mtpt, "/tmp/cd.mtpt.%ld.%ld", (long int) random(),
            (long int) random());
    make_hole_for_dir(mtpt);

  gotos_make_me_puke:
    ok_go_ahead_burn_it = TRUE;
    if (!find_cdrom_device(cdrom_dev, FALSE)) {
/* When enabled, it made CD eject-and-retract when wrong CD inserted.. Weird
      mr_msg(2, "paafcd: Retracting CD-ROM drive if possible" );
      retract_CD_tray_and_defeat_autorun();
*/
        sprintf(tmp, "umount %s", cdrom_dev);
        run_program_and_log_output(tmp, 1);
        sprintf(szcdno, "%s/archives/THIS-CD-NUMBER", mtpt);
        sprintf(szserfname, "%s/archives/SERIAL-STRING", mtpt);
        sprintf(szunmount, "umount %s", mtpt);
        cd_number = -1;
        our_serial_str[0] = '\0';
        sprintf(tmp, "mount %s %s", cdrom_dev, mtpt);
        if ((attempt_to_mount_returned_this =
             run_program_and_log_output(tmp, 1))) {
            mr_msg(4, "Failed to mount %s at %s", cdrom_dev, mtpt);
            log_to_screen("If there's a CD/DVD in the drive, it's blank.");
            /*
               if (interrogate_disk_currently_in_cdrw_drive(cdrw_dev, FALSE))
               {
               ok_go_ahead_burn_it = FALSE;
               log_to_screen("There isn't a writable CD/DVD in the drive.");
               }
               else
               {
               log_to_screen("Confirmed. There is a blank CD/DVD in the drive.");
               }
             */
        } else if (!does_file_exist(szcdno)
                   || !does_file_exist(szserfname)) {
            log_to_screen
                ("%s has data on it but it's probably not a Mondo CD.",
                 media_descriptor_string(g_backup_media_type));
        } else {
            log_to_screen("%s found in drive. It's a Mondo disk.",
                          media_descriptor_string(g_backup_media_type));
            cd_number = atoi(last_line_of_file(szcdno));
            sprintf(tmp, "cat %s 2> /dev/null", szserfname);
            strcpy(our_serial_str,
                   call_program_and_get_last_line_of_output(tmp));
            // FIXME - should be able to use last_line_of_file(), surely?
        }
        run_program_and_log_output(szunmount, 1);
        mr_msg(2, "paafcd: cd_number = %d", cd_number);
        mr_msg(2, "our serial str = %s; g_serial_string = %s",
                our_serial_str, g_serial_string);
        if (cd_number > 0 && !strcmp(our_serial_str, g_serial_string)) {
            mr_msg(2, "This %s is part of this backup set!",
                    media_descriptor_string(g_backup_media_type));
            ok_go_ahead_burn_it = FALSE;
            if (cd_number == g_current_media_number - 1) {
                log_to_screen
                    ("I think you've left the previous %s in the drive.",
                     media_descriptor_string(g_backup_media_type));
            } else {
                log_to_screen
                    ("Please remove this %s. It is part of the backup set you're making now.",
                     media_descriptor_string(g_backup_media_type));
            }
        } else {
            log_to_screen("...but not part of _our_ backup set.");
        }
    } else {
        mr_msg(2,
                "paafcd: Can't find CD-ROM drive. Perhaps it has a blank %s in it?",
                media_descriptor_string(g_backup_media_type));
        if (interrogate_disk_currently_in_cdrw_drive(cdrw_dev, FALSE)) {
            ok_go_ahead_burn_it = FALSE;
            log_to_screen("There isn't a writable %s in the drive.",
                          media_descriptor_string(g_backup_media_type));
        }
    }

/*
  if (g_current_media_number > ask_for_one_if_more_than_this)
    {
      ok_go_ahead_burn_it = FALSE;
      log_it("paafcd: %d > %d, so I'll definitely pause.", g_current_media_number > ask_for_one_if_more_than_this);
    }
*/

    if (!ok_go_ahead_burn_it) {
        eject_device(cdrom_dev);
        sprintf(tmp,
                "I am about to burn %s #%d of the backup set. Please insert %s and press Enter.",
                media_descriptor_string(g_backup_media_type),
                g_current_media_number,
                media_descriptor_string(g_backup_media_type));
        popup_and_OK(tmp);
        goto gotos_make_me_puke;
    } else {
        mr_msg(2, "paafcd: OK, going ahead and burning it.");
    }

    mr_msg(2,
            "paafcd: OK, I assume I have a blank/reusable %s in the drive...",
            media_descriptor_string(g_backup_media_type));

    //  if (ask_for_one_if_more_than_this>1) { popup_and_OK(szmsg); }

    log_to_screen("Proceeding w/ %s in drive.",
                  media_descriptor_string(g_backup_media_type));
    mr_free(tmp);
    mr_free(szmsg);
    mr_free(cdrom_dev);
    mr_free(cdrw_dev);
    mr_free(mtpt);
    mr_free(szcdno);
    mr_free(szserfname);
    mr_free(our_serial_str);
    mr_free(szunmount);
    if (pmountable) {
        if (attempt_to_mount_returned_this) {
            *pmountable = FALSE;
        } else {
            *pmountable = TRUE;
        }
    }

}








/**
 * Set the <tt>N</tt>th bit of @c array to @c true_or_false.
 * @param array The bit array (as a @c char pointer).
 * @param N The bit number to set or reset.
 * @param true_or_false If TRUE then set bit @c N, if FALSE then reset bit @c N.
 * @see get_bit_N_of_array
 */
void set_bit_N_of_array(char *array, int N, bool true_or_false)
{
    int bit_number;
    int mask, orig_val, to_add;
    int element_number;

    assert(array != NULL);

    element_number = N / 8;
    bit_number = N % 8;
    to_add = (1 << bit_number);
    mask = 255 - to_add;
    orig_val = array[element_number] & mask;
    //  log_it("array[%d]=%02x; %02x&%02x = %02x", element_number, array[element_number], mask, orig_val);
    if (true_or_false) {
        array[element_number] = orig_val | to_add;
    }
}

/* @} - end of utilityGroup */








/**
 * Chop up @c filename.
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c compression_level
 * - @c optimal_set_size
 * - @c tmpdir
 * - @c use_lzo
 * - @c zip_exe
 * - @c zip_suffix
 *
 * @param biggie_filename The file to chop up.
 * @param ntfsprog_fifo The FIFO to ntfsclone if this is an imagedev, NULL otherwise.
 * @param biggie_file_number The sequence number of this biggie file (starting from 0).
 * @param noof_biggie_files The number of biggie files there are total.
 * @return The number of errors encountered (0 for success)
 * @see make_slices_and_images
 * @ingroup LLarchiveGroup
 */
int
slice_up_file_etc(struct s_bkpinfo *bkpinfo, char *biggie_filename,
                  char *ntfsprog_fifo, long biggie_file_number,
                  long noof_biggie_files, bool use_ntfsprog)
{

    /*@ buffers ************************************************** */
    char *tmp, *checksum_line, *command;
    char *tempblock;
    char *curr_slice_fname_uncompressed;
    char *curr_slice_fname_compressed;
    char *file_to_archive;
    char *file_to_openin;
    /*@ pointers ************************************************** */
    char *pB;
    FILE *fin, *fout;

    /*@ bool ****************************************************** */
    bool finished = FALSE;

    /*@ long ****************************************************** */
    size_t blksize = 0;
    long slice_num = 0;
    long i;
    long optimal_set_size;
    bool should_I_compress_slices;
    char *suffix;               // for compressed slices

    /*@ long long ************************************************** */
    off_t totalread = (off_t)0;
    off_t totallength = (off_t)0;
    off_t length;

    /*@ int ******************************************************** */
    int retval = 0;
    int res = 0;

    /*@ structures ************************************************** */
    struct s_filename_and_lstat_info biggiestruct;
//  struct stat statbuf;

    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(biggie_filename);
    malloc_string(tmp);
    malloc_string(checksum_line);
    malloc_string(curr_slice_fname_uncompressed);
    malloc_string(curr_slice_fname_compressed);
    malloc_string(file_to_archive);
    malloc_string(suffix);
    command = mr_malloc(MAX_STR_LEN * 8);

    biggiestruct.for_backward_compatibility = '\n';
    biggiestruct.use_ntfsprog = use_ntfsprog;
    tempblock = (char *) mr_malloc(256 * 1024);
    optimal_set_size = bkpinfo->optimal_set_size;
    if (is_this_file_compressed(biggie_filename)
        || bkpinfo->compression_level == 0) {
        suffix[0] = '\0';
        //      log_it("%s is indeed compressed :-)", filename);
        should_I_compress_slices = FALSE;
    } else {
        strcpy(suffix, bkpinfo->zip_suffix);
        should_I_compress_slices = TRUE;
    }

    if (optimal_set_size < 999) {
        fatal_error("bkpinfo->optimal_set_size is insanely small");
    }
    if (ntfsprog_fifo) {
        file_to_openin = ntfsprog_fifo;
        strcpy(checksum_line, "IGNORE");
        mr_msg(2,
                "Not calculating checksum for %s: it would take too long",
                biggie_filename);
        if ( !find_home_of_exe("ntfsresize")) {
            fatal_error("ntfsresize not found");
        }
        sprintf(command, "ntfsresize --force --info %s|grep '^You might resize at '|cut -d' ' -f5", biggie_filename);
        log_it("command = %s", command);
        strcpy (tmp, call_program_and_get_last_line_of_output(command));
        log_it("res of it = %s", tmp); 
        totallength = (off_t)atoll(tmp);
    } else {
        file_to_openin = biggie_filename;
        if (strchr(biggie_filename,'\'') != NULL) {
            sprintf(command, "md5sum \"%s\"", biggie_filename);
        } else {
            sprintf(command, "md5sum '%s'", biggie_filename);
        }
        if (!(fin = popen(command, "r"))) {
            log_OS_error("Unable to popen-in command");
            return (1);
        }
        (void) fgets(checksum_line, MAX_STR_LEN, fin);
        pclose(fin);
        totallength = length_of_file (biggie_filename);
    }
    lstat(biggie_filename, &biggiestruct.properties);
    strcpy(biggiestruct.filename, biggie_filename);
    pB = strchr(checksum_line, ' ');
    if (!pB) {
        pB = strchr(checksum_line, '\t');
    }
    if (pB) {
        *pB = '\0';
    }
    strcpy(biggiestruct.checksum, checksum_line);

    strcpy(tmp, slice_fname(biggie_file_number, 0, bkpinfo->tmpdir, ""));
    fout = fopen(tmp, "w");
    (void) fwrite((void *) &biggiestruct, 1, sizeof(biggiestruct), fout);
    paranoid_fclose(fout);
    length = totallength / optimal_set_size / 1024;
    mr_msg(1, "Opening in %s; slicing it and writing to CD/tape",
            file_to_openin);
    if (!(fin = fopen(file_to_openin, "r"))) {
        log_OS_error("Unable to openin biggie_filename");
        sprintf(tmp, "Cannot archive bigfile '%s': not found",
                biggie_filename);
        log_to_screen(tmp);
        mr_free(tempblock);
        mr_free(tmp);
        mr_free(checksum_line);
        mr_free(command);
        return (1);
    }
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        res =
            move_files_to_stream(bkpinfo,
                                 slice_fname(biggie_file_number, 0,
                                             bkpinfo->tmpdir, ""), NULL);
    } else {
        res =
            move_files_to_cd(bkpinfo,
                             slice_fname(biggie_file_number, 0,
                                         bkpinfo->tmpdir, ""), NULL);
    }
    i = bkpinfo->optimal_set_size / 256;
    for (slice_num = 1; !finished; slice_num++) {
        strcpy(curr_slice_fname_uncompressed,
               slice_fname(biggie_file_number, slice_num, bkpinfo->tmpdir,
                           ""));
        strcpy(curr_slice_fname_compressed,
               slice_fname(biggie_file_number, slice_num, bkpinfo->tmpdir,
                           suffix));

        strcpy(tmp, percent_media_full_comment(bkpinfo));
        update_progress_form(tmp);
        if (!(fout = fopen(curr_slice_fname_uncompressed, "w"))) {
            log_OS_error(curr_slice_fname_uncompressed);
            return (1);
        }
        if ((i == bkpinfo->optimal_set_size / 256)
            && (totalread < 1.1 * totallength)) {
            for (i = 0; i < bkpinfo->optimal_set_size / 256; i++) {
                blksize = fread(tempblock, 1, 256 * 1024, fin);
                if (blksize > 0) {
                    totalread = totalread + blksize;
                    (void) fwrite(tempblock, 1, blksize, fout);
                } else {
                    break;
                }
            }
        } else {
            i = 0;
        }
        paranoid_fclose(fout);
        if (i > 0)              // length_of_file (curr_slice_fname_uncompressed)
        {
            if (!does_file_exist(curr_slice_fname_uncompressed)) {
                mr_msg(2,
                        "Warning - '%s' doesn't exist. How can I compress slice?",
                        curr_slice_fname_uncompressed);
            }
            if (should_I_compress_slices && bkpinfo->compression_level > 0) {
                sprintf(command, "%s -%d %s", bkpinfo->zip_exe,
                        bkpinfo->compression_level,
                        curr_slice_fname_uncompressed);
                mr_msg(2, command);
                if ((res = system(command))) {
                    log_OS_error(command);
                }
                //          did_I_compress_slice = TRUE;
            } else {
                sprintf(command, "mv %s %s 2>> %s",
                        curr_slice_fname_uncompressed,
                        curr_slice_fname_compressed, MONDO_LOGFILE);
                res = 0;        // don't do it :)
                //          did_I_compress_slice = FALSE;
            }
            retval += res;
            if (res) {
                mr_msg(2, "Failed to compress the slice");
            }
            if (bkpinfo->use_lzo
                && strcmp(curr_slice_fname_compressed,
                          curr_slice_fname_uncompressed)) {
                unlink(curr_slice_fname_uncompressed);
            }
            if (res) {
                sprintf(tmp, "Problem with slice # %ld", slice_num);
            } else {
                sprintf(tmp,
                        "%s - Bigfile #%ld, slice #%ld compressed OK          ",
                        biggie_filename, biggie_file_number + 1,
                        slice_num);
            }
#ifndef _XWIN
            if (!g_text_mode) {
                newtDrawRootText(0, g_noof_rows - 2, tmp);
                newtRefresh();
            } else {
                mr_msg(2, tmp);
            }
#else
            mr_msg(2, tmp);
#endif
            strcpy(file_to_archive, curr_slice_fname_compressed);
            g_current_progress++;
        } else {                /* if i==0 then ... */

            finished = TRUE;
            strcpy(file_to_archive, curr_slice_fname_uncompressed);
            if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
                break;
            }
        }

        if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
            register_in_tape_catalog(biggieslice, biggie_file_number,
                                     slice_num, file_to_archive);
            maintain_collection_of_recent_archives(bkpinfo->tmpdir,
                                                   file_to_archive);
            res = move_files_to_stream(bkpinfo, file_to_archive, NULL);
        } else {
            res = move_files_to_cd(bkpinfo, file_to_archive, NULL);
        }
        retval += res;
        if (res) {
            sprintf(tmp,
                    "Failed to add slice %ld of bigfile %ld to scratchdir",
                    slice_num, biggie_file_number + 1);
            log_to_screen(tmp);
            fatal_error
                ("Hard disk full. You should have bought a bigger one.");
        }
    }
    paranoid_fclose(fin);
    sprintf(tmp, "Sliced bigfile #%ld", biggie_file_number + 1);
    if (retval) {
        strcat(tmp, "...FAILED");
    } else {
        strcat(tmp, "...OK!");
    }
    mr_msg(1, tmp);
    mr_free(tempblock);
    mr_free(tmp);
    mr_free(checksum_line);
    mr_free(command);
    mr_free(curr_slice_fname_uncompressed);
    mr_free(curr_slice_fname_compressed);
    mr_free(file_to_archive);
    mr_free(suffix);
    return (retval);
}






/**
 * Remove the archives in @c d.
 * This could possibly include any of:
 * - all afioballs (compressed and not)
 * - all filelists
 * - all slices
 * - all checksums
 * - a zero filler file
 *
 * @param d The directory to wipe the archives from.
 * @ingroup utilityGroup
 */
void wipe_archives(char *d)
{
    /*@ buffers ********************************************* */
    char *tmp;
    char *dir;

    malloc_string(tmp);
    malloc_string(dir);
    assert_string_is_neither_NULL_nor_zerolength(d);

    sprintf(dir, "%s/archives", d);
    sprintf(tmp, "find %s -name '*.afio*' -exec rm -f '{}' \\;", dir);
    run_program_and_log_output(tmp, FALSE);
    sprintf(tmp, "find %s -name '*list.[0-9]*' -exec rm -f '{}' \\;", dir);
    run_program_and_log_output(tmp, FALSE);
    sprintf(tmp, "find %s -name 'slice*' -exec rm -f '{}' \\;", dir);
    run_program_and_log_output(tmp, FALSE);
    sprintf(tmp, "rm -f %s/cklist*", dir);
    run_program_and_log_output(tmp, FALSE);
    sprintf(tmp, "rm -f %s/zero", dir);
    run_program_and_log_output(tmp, FALSE);
    mr_msg(1, "Wiped %s's archives", dir);
    sprintf(tmp, "ls -l %s", dir);
    run_program_and_log_output(tmp, FALSE);
    mr_free(tmp);
    mr_free(dir);
}



/**
 * @addtogroup LLarchiveGroup
 * @{
 */
/**
 * Write the final ISO image.
 * @param bkpinfo The backup information structure. Used only
 * in the call to @c write_iso_and_go_on().
 * @return The number of errors encountered (0 for success)
 * @see write_iso_and_go_on
 * @see make_iso_fs
 * @bug The final ISO is written even if there are no files on it. In practice,
 * however, this occurs rarely.
 */
int write_final_iso_if_necessary(struct s_bkpinfo *bkpinfo)
{
    /*@ int ***************************************************** */
    int res;

    /*@ buffers ************************************************** */
    char *tmp;

    malloc_string(tmp);
    assert(bkpinfo != NULL);

// I should really check if there are any slices or tarballs to be copied to CD-R(W)'s; the odds are approx. 1 in a million that there are no files here, so I'll just go ahead & make one more CD anyway

    sprintf(tmp, "Writing the final ISO");
    mr_msg(2, tmp);
    center_string(tmp, 80);
#ifndef _XWIN
    if (!g_text_mode) {
        newtPushHelpLine(tmp);
    }
#endif
    res = write_iso_and_go_on(bkpinfo, TRUE);
#ifndef _XWIN
    if (!g_text_mode) {
        newtPopHelpLine();
    }
#endif
    mr_msg(2, "Returning from writing final ISO (res=%d)", res);
    mr_free(tmp);
    return (res);
}


/**
 * Write an ISO image to <tt>[bkpinfo->isodir]/bkpinfo->prefix-[g_current_media_number].iso</tt>.
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_media_type
 * - @c prefix
 * - @c isodir
 * - @c manual_cd_tray
 * - @c media_size
 * - @c nfs_mount
 * - @c nfs_remote_dir
 * - @c scratchdir
 * - @c verify_data
 *
 * @param last_cd If TRUE, this is the last CD to write; if FALSE, it's not.
 * @return The number of errors encountered (0 for success)
 * @see make_iso_fs
 */
int write_iso_and_go_on(struct s_bkpinfo *bkpinfo, bool last_cd)
{
    /*@ pointers **************************************************** */
    FILE *fout;

    /*@ buffers ***************************************************** */
    char *tmp;
    char *cdno_fname;
    char *lastcd_fname;
    char *isofile;

    /*@ bool ******************************************************** */
    bool that_one_was_ok;
    bool using_nfs;
    bool orig_vfy_flag_val;

    /*@ int *********************************************************** */
    int res = 0;

    malloc_string(tmp);
    malloc_string(cdno_fname);
    malloc_string(lastcd_fname);
    malloc_string(isofile);

    assert(bkpinfo != NULL);
    orig_vfy_flag_val = bkpinfo->verify_data;
    if (bkpinfo->media_size[g_current_media_number] <= 0) {
        fatal_error("write_iso_and_go_on() - unknown media size");
    }

    if (strlen(bkpinfo->nfs_mount) > 1) {
        using_nfs = TRUE;
    } else {
        using_nfs = FALSE;
    }
    mr_msg(1, "OK, time to make %s #%d",
            media_descriptor_string(bkpinfo->backup_media_type),
            g_current_media_number);

    /* label the ISO with its number */

    sprintf(cdno_fname, "%s/archives/THIS-CD-NUMBER", bkpinfo->scratchdir);
    fout = fopen(cdno_fname, "w");
    fprintf(fout, "%d", g_current_media_number);
    paranoid_fclose(fout);

    sprintf(tmp, "cp -f %s/autorun %s/", g_mondo_home,
            bkpinfo->scratchdir);
    if (run_program_and_log_output(tmp, FALSE)) {
        mr_msg(2, "Warning - unable to copy autorun to scratchdir");
    }

    /* last CD or not? Label accordingly */
    sprintf(lastcd_fname, "%s/archives/NOT-THE-LAST", bkpinfo->scratchdir);
    if (last_cd) {
        unlink(lastcd_fname);
        mr_msg(2,
                "OK, you're telling me this is the last CD. Fair enough.");
    } else {
        fout = fopen(lastcd_fname, "w");
        fprintf(fout,
                "You're listening to 90.3 WPLN, Nashville Public Radio.\n");
        paranoid_fclose(fout);
    }
    if (space_occupied_by_cd(bkpinfo->scratchdir) / 1024 >
        bkpinfo->media_size[g_current_media_number]) {
        sprintf(tmp,
                "Warning! %s is too big. It occupies %ld KB, which is more than the %ld KB allowed.",
                media_descriptor_string(bkpinfo->backup_media_type),
                (long) space_occupied_by_cd(bkpinfo->scratchdir),
                (long) bkpinfo->media_size[g_current_media_number]);
        log_to_screen(tmp);
    }
    if (bkpinfo->backup_media_type != usb) {
        sprintf(isofile, "%s/%s/%s-%d.iso", bkpinfo->isodir,
            bkpinfo->nfs_remote_dir, bkpinfo->prefix,
            g_current_media_number);
    } else {
    }
    for (that_one_was_ok = FALSE; !that_one_was_ok;) {
        if (bkpinfo->backup_media_type != usb) {
            res = make_iso_fs(bkpinfo, isofile);
        } else {
        }
        if (g_current_media_number == 1 && !res
            && (bkpinfo->backup_media_type == cdr
                || bkpinfo->backup_media_type == cdrw)) {
            if (find_cdrom_device(tmp, FALSE))  // make sure find_cdrom_device() finds, records CD-R's loc
            {
                mr_msg(3, "*Sigh* Mike, I hate your computer.");
                bkpinfo->manual_cd_tray = TRUE;
            }                   // if it can't be found then force pausing
            else {
                mr_msg(3, "Great. Found Mike's CD-ROM drive.");
            }
        }
        if (bkpinfo->verify_data && !res) {
            log_to_screen
                ("Please reboot from the 1st %s in Compare Mode, as a precaution.",
                 media_descriptor_string(g_backup_media_type));
            chdir("/");
            iamhere("Before calling verify_cd_image()");
            res += verify_cd_image(bkpinfo);
            iamhere("After calling verify_cd_image()");
        }
        if (!res) {
            that_one_was_ok = TRUE;
        } else {
            sprintf(tmp, "Failed to burn %s #%d. Retry?",
                    media_descriptor_string(bkpinfo->backup_media_type),
                    g_current_media_number);
            res = ask_me_yes_or_no(tmp);
            if (!res) {
                if (ask_me_yes_or_no("Abort the backup?")) {
                    fatal_error("FAILED TO BACKUP");
                } else {
                    break;
                }
            } else {
                mr_msg(2, "Retrying, at user's request...");
                res = 0;
            }
        }
    }
/*
  if (using_nfs)
    {
      sprintf(tmp,"mv -f %s %s/%s/", isofile, bkpinfo->isodir, bkpinfo->nfs_remote_dir);
      if (run_program_and_log_output(tmp, FALSE))
        { log_to_screen("Unable to move ISO to NFS dir"); }
    }
*/
    g_current_media_number++;
    if (g_current_media_number > MAX_NOOF_MEDIA) {
        fatal_error("Too many CD-R(W)'s. Use tape or net.");
    }
    wipe_archives(bkpinfo->scratchdir);
    sprintf(tmp, "rm -Rf %s/images/*gz %s/images/*data*img",
            bkpinfo->scratchdir, bkpinfo->scratchdir);
    if (system(tmp)) {
        mr_msg
            (2,
             "Error occurred when I tried to delete the redundant IMGs and GZs");
    }

    if (last_cd) {
        mr_msg(2, "This was your last CD.");
    } else {
        mr_msg(2, "Continuing to backup your data...");
    }

    bkpinfo->verify_data = orig_vfy_flag_val;
    mr_free(tmp);
    mr_free(cdno_fname);
    mr_free(lastcd_fname);
    mr_free(isofile);
    return (0);
}

/* @} - end of LLarchiveGroup */




/**
 * Verify the user's data.
 * @param bkpinfo The backup information structure. Fields used:
 * - @c backup_data
 * - @c backup_media_type
 * - @c media_device
 * - @c verify_data
 *
 * @return The number of errors encountered (0 for success)
 * @ingroup verifyGroup
 */
int verify_data(struct s_bkpinfo *bkpinfo)
{
    int res = 0, retval = 0, cdno = 0;
    char *tmp;
    long diffs = 0;

    malloc_string(tmp);
    assert(bkpinfo != NULL);
    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        chdir("/");
        mvaddstr_and_log_it(g_currentY, 0,
                            "Verifying archives against live filesystem");
        if (bkpinfo->backup_media_type == cdstream) {
            strcpy(bkpinfo->media_device, "/dev/cdrom");
        }
        verify_tape_backups(bkpinfo);
        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
    } else if (bkpinfo->backup_data)
        //bkpinfo->backup_media_type == cdrw || bkpinfo->backup_media_type == cdr))
    {
        mr_msg(2,
                "Not verifying again. Per-CD/ISO verification already carried out.");
        paranoid_system
            ("cat /tmp/changed.files.* > /tmp/changed.files 2> /dev/null");
    } else {
        g_current_media_number = cdno;
        if (bkpinfo->backup_media_type != iso) {
            find_cdrom_device(bkpinfo->media_device, FALSE);    // replace 0,0,0 with /dev/cdrom
        }
        chdir("/");
        for (cdno = 1; cdno < 99 && bkpinfo->verify_data; cdno++) {
            if (cdno != g_current_media_number) {
                mr_msg(2,
                        "Warning - had to change g_current_media_number from %d to %d",
                        g_current_media_number, cdno);
                g_current_media_number = cdno;
            }
            if (bkpinfo->backup_media_type != iso) {
                insist_on_this_cd_number(bkpinfo, cdno);
            }
            res = verify_cd_image(bkpinfo); // sets verify_data to FALSE if it's time to stop verifying
            retval += res;
            if (res) {
                sprintf(tmp,
                        "Warnings/errors were reported while checking %s #%d",
                        media_descriptor_string(bkpinfo->
                                                backup_media_type),
                        g_current_media_number);
                log_to_screen(tmp);

            }
        }
/*
      sprintf (tmp,
           "cat %s | grep \"afio: \" | cut -d'\"' -f2 | sort -u | awk '{print \"/\"$0;};' | tr -s '/' '/' | grep -vx \"/afio:.*\" > /tmp/changed.files",
           MONDO_LOGFILE);
      system (tmp);
*/
        sprintf(tmp,
                "grep 'afio: ' %s | sed 's/afio: //' | grep -vE '^/dev/.*$' >> /tmp/changed.files",
                MONDO_LOGFILE);
        system(tmp);

        sprintf(tmp,
                "grep 'star: ' %s | sed 's/star: //' | grep -vE '^/dev/.*$' >> /tmp/changed.files",
                MONDO_LOGFILE);
        system(tmp);
        run_program_and_log_output("umount " MNT_CDROM, FALSE);
//    if (bkpinfo->backup_media_type != iso && !bkpinfo->please_dont_eject_when_restoring)
//{
        eject_device(bkpinfo->media_device);
//}
    }
    diffs = count_lines_in_file("/tmp/changed.files");

    if (diffs > 0) {
        if (retval == 0) {
            retval = (int) (-diffs);
        }
    }
    mr_free(tmp);
    return (retval);
}





/**
 * @addtogroup utilityGroup
 * @{
 */
/**
 * Write an image to a real 3.5" floppy disk.
 * @param device The device to write to (e.g. @c /dev/fd0)
 * @param datafile The image to write to @p device.
 * @return The number of errors encountered (0 for success)
 * @see write_image_to_floppy
 */
int write_image_to_floppy_SUB(char *device, char *datafile)
{
    /*@ int *************************************************************** */
    int res = 0;
    int percentage = 0;
    int blockno = 0;
    int maxblocks = 0;

    /*@ buffers************************************************************ */
    char *tmp;
    char blk[1024];
    char *title;

    /*@ pointers ********************************************************** */
    char *p;
    FILE *fout, *fin;


    malloc_string(tmp);
    malloc_string(title);
    /* pretty stuff */
    if (!(p = strrchr(datafile, '/'))) {
        p = datafile;
    } else {
        p++;
    }
    sprintf(title, "Writing %s to floppy", p);
    open_evalcall_form(title);
    /* functional stuff */
    for (p = device + strlen(device); p != device && isdigit(*(p - 1));
         p--);
    maxblocks = atoi(p);
    if (!maxblocks) {
        maxblocks = 1440;
    }
    sprintf(tmp, "maxblocks = %d; p=%s", maxblocks, p);
    mr_msg(2, tmp);
    /* copy data from image to floppy */
    if (!(fin = fopen(datafile, "r"))) {
        log_OS_error("Cannot open img");
        return (1);
    }
    if (!(fout = fopen(device, "w"))) {
        log_OS_error("Cannot open fdd");
        return (1);
    }
    for (blockno = 0; blockno < maxblocks; blockno++) {
        percentage = blockno * 100 / maxblocks;
        if (fread(blk, 1, 1024, fin) != 1024) {
            if (feof(fin)) {
                mr_msg(1,
                        "img read err - img ended prematurely - non-fatal error");
                sleep(3);
                return (res);
            }
            res++;
            log_to_screen("img read err");
        }
        if (fwrite(blk, 1, 1024, fout) != 1024) {
            res++;
            log_to_screen("fdd write err");
        }
        if (((blockno + 1) % 128) == 0) {
            paranoid_system("sync");    /* fflush doesn't work; dunno why */
            update_evalcall_form(percentage);
        }
    }
    paranoid_fclose(fin);
    paranoid_fclose(fout);
    mr_free(tmp);
    mr_free(title);
    close_evalcall_form();
    return (res);
}









/**
 * Wrapper around @c write_image_to_floppy_SUB().
 * This function, unlike @c write_image_to_floppy_SUB(),
 * gives the user the opportunity to retry if the write fails.
 * @see write_image_to_floppy_SUB
 */
int write_image_to_floppy(char *device, char *datafile)
{
    /*@ int ************************************************************** */
    int res = 0;

    assert_string_is_neither_NULL_nor_zerolength(device);
    assert_string_is_neither_NULL_nor_zerolength(datafile);

    while ((res = write_image_to_floppy_SUB(device, datafile))) {
        if (!ask_me_yes_or_no("Failed to write image to floppy. Retry?")) {
            return (res);
        }
    }
    return (res);
}

/* @} - end of utilityGroup */

void setenv_mondo_share(void) {

setenv("MONDO_SHARE", MONDO_SHARE, 1);
setenv("MONDORESTORECFG", MONDORESTORECFG, 1);
setenv("MONDO_CACHE", MONDO_CACHE, 1);
}