source: MondoRescue/branches/3.3/mindi-busybox/coreutils/rmdir.c@ 3667

/* vi: set sw=4 ts=4: */
/*
 * rmdir implementation for busybox
 *
 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */

/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */

//usage:#define rmdir_trivial_usage
//usage:       "[OPTIONS] DIRECTORY..."
//usage:#define rmdir_full_usage "\n\n"
//usage:       "Remove DIRECTORY if it is empty\n"
//usage:    IF_FEATURE_RMDIR_LONG_OPTIONS(
//usage:     "\n    -p|--parents    Include parents"
//usage:     "\n    --ignore-fail-on-non-empty"
//usage:    )
//usage:    IF_NOT_FEATURE_RMDIR_LONG_OPTIONS(
//usage:     "\n    -p  Include parents"
//usage:    )
//usage:
//usage:#define rmdir_example_usage
//usage:       "# rmdir /tmp/foo\n"

#include "libbb.h"

/* This is a NOFORK applet. Be very careful! */


#define PARENTS          (1 << 0)
#define VERBOSE          ((1 << 1) * ENABLE_FEATURE_VERBOSE)
#define IGNORE_NON_EMPTY (1 << 2)

int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rmdir_main(int argc UNUSED_PARAM, char **argv)
{
    int status = EXIT_SUCCESS;
    int flags;
    char *path;

#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
    static const char rmdir_longopts[] ALIGN1 =
        "parents\0"                  No_argument "p"
        /* Debian etch: many packages fail to be purged or installed
         * because they desperately want this option: */
        "ignore-fail-on-non-empty\0" No_argument "\xff"
        IF_FEATURE_VERBOSE(
        "verbose\0"                  No_argument "v"
        )
        ;
    applet_long_options = rmdir_longopts;
#endif
    flags = getopt32(argv, "pv");
    argv += optind;

    if (!*argv) {
        bb_show_usage();
    }

    do {
        path = *argv;

        while (1) {
            if (flags & VERBOSE) {
                printf("rmdir: removing directory, '%s'\n", path);
            }

            if (rmdir(path) < 0) {
#if ENABLE_FEATURE_RMDIR_LONG_OPTIONS
                if ((flags & IGNORE_NON_EMPTY) && errno == ENOTEMPTY)
                    break;
#endif
                bb_perror_msg("'%s'", path);  /* Match gnu rmdir msg. */
                status = EXIT_FAILURE;
            } else if (flags & PARENTS) {
                /* Note: path was not "" since rmdir succeeded. */
                path = dirname(path);
                /* Path is now just the parent component.  Dirname
                 * returns "." if there are no parents.
                 */
                if (NOT_LONE_CHAR(path, '.')) {
                    continue;
                }
            }
            break;
        }
    } while (*++argv);

    return status;
}