source: branches/2.2.10/mondo/src/common/libmondo-string.c @ 2382

Last change on this file since 2382 was 2382, checked in by Bruno Cornec, 11 years ago
  • Change NFS support into a NetFS support to allow for multiple protocol in addition to NFS (NEEDS TESTING)

(Backport from 2.2.9)

  • Property svn:keywords set to Id
File size: 28.7 KB
Line 
1/* $Id: libmondo-string.c 2382 2009-09-10 00:07:16Z bruno $ */
2
3
4/**
5 * @file
6 * Functions for handling strings.
7 */
8
9#include "my-stuff.h"
10#include "mr_mem.h"
11#include "mondostructures.h"
12#include "libmondo-string.h"
13#include "lib-common-externs.h"
14#include "libmondo-files-EXT.h"
15#include "libmondo-gui-EXT.h"
16#include "libmondo-tools-EXT.h"
17
18/*@unused@*/
19//static char cvsid[] = "$Id: libmondo-string.c 2382 2009-09-10 00:07:16Z bruno $";
20
21extern int g_current_media_number;
22extern long long g_tape_posK;
23
24/* Reference to global bkpinfo */
25extern struct s_bkpinfo *bkpinfo;
26
27
28/**
29 * @addtogroup stringGroup
30 * @{
31 */
32/**
33 * Build a partition name from a drive and a partition number.
34 * @param drive The drive basename of the partition name (e.g. /dev/hda)
35 * @param partno The partition number (e.g. 1)
36 * @return @p partition.
37 * @note If @p drive ends in a digit, then 'p' (on Linux) or 's' (on *BSD) is added before @p partno.
38 */
39char *build_partition_name(const char *drive, int partno)
40{
41    char *c = NULL;
42    char *partition = NULL;
43
44    assert_string_is_neither_NULL_nor_zerolength(drive);
45    assert(partno >= 0);
46
47    mr_asprintf(partition, "%s", drive);
48    /* is this a devfs device path? */
49    c = strrchr(partition, '/');
50    if (c && strncmp(c, "/disc", 5) == 0) {
51        /* yup it's devfs, return the "part" path */
52        /* This strcpy is safe */
53        strcpy(c + 1, "part");
54    } else {
55        if (isdigit(partition[-1])) {
56            mr_strcat(partition, "%c",
57#ifdef BSD
58                's');
59#else
60                'p');
61#endif
62        }
63    }
64    mr_strcat(partition, "%d", partno);
65    return(partition);
66}
67
68
69/**
70 * Pad a string on both sides so it appears centered.
71 * @param in_out The string to be center-padded (modified).
72 * @param width The width of the final result.
73 */
74void center_string(char *in_out, int width)
75{
76    char scratch[MAX_STR_LEN];
77    char *p;
78    int i;                      /* purpose */
79    int len;                    /* purpose */
80    int mid;                    /* purpose */
81    int x;                      /* purpose */
82
83    assert(in_out != NULL);
84    assert(width > 2);
85
86    if (strlen(in_out) == 0) {
87        return;
88    }
89    for (p = in_out; *p == ' '; p++);
90    strcpy(scratch, p);
91    strip_spaces (scratch);
92    len = (int) strlen(scratch);
93    mid = width / 2;
94    x = mid - len / 2;
95    for (i = 0; i < x; i++) {
96        in_out[i] = ' ';
97    }
98    in_out[i] = '\0';
99    strcat(in_out, scratch);
100    for (i = x + len ; i < width - 1; i++) {
101            in_out[i] = ' ';
102        }
103    in_out[i] = '\0';
104}
105
106
107
108
109inline void turn_wildcard_chars_into_literal_chars(char *sout, char *sin)
110{
111    char *p, *q;
112
113    for (p = sin, q = sout; *p != '\0'; *(q++) = *(p++)) {
114        if (strchr("[]*?", *p)) {
115            *(q++) = '\\';
116        }
117    }
118    *q = *p;                    // for the final '\0'
119}
120
121
122
123/**
124 * Add commas every third place in @p input.
125 * @param input The string to commarize.
126 * @return The string with commas.
127 * @note The returned string points to static storage that will be overwritten with each call.
128 */
129char *commarize(char *input)
130{
131    char pos_w_commas[MAX_STR_LEN];
132    static char output[MAX_STR_LEN];
133    char tmp[MAX_STR_LEN];
134    int j;
135
136    assert(input != NULL);
137
138    strcpy(tmp, input);
139    if (strlen(tmp) > 6) {
140        strcpy(pos_w_commas, tmp);
141        j = (int) strlen(pos_w_commas);
142        tmp[j - 6] = ',';
143        strcpy(tmp + j - 5, pos_w_commas + j - 6);
144        strcpy(pos_w_commas, tmp);
145    }
146    if (strlen(tmp) > 3) {
147        j = (int) strlen(tmp);
148        strcpy(pos_w_commas, tmp);
149        pos_w_commas[j - 3] = ',';
150        strcpy(pos_w_commas + j - 2, tmp + j - 3);
151    } else {
152        strcpy(pos_w_commas, tmp);
153    }
154    strcpy(output, pos_w_commas);
155    return (output);
156}
157
158
159
160
161
162
163
164
165
166/**
167 * Turn an entry from the RAID editor's disklist into a GUI-friendly string.
168 * The format is: the device left-aligned and padded to 24 places, followed by a space and the
169 * index, right-aligned and padded to eight places. The total string length
170 * is exactly 33.
171 * @param disklist The disklist to operate on.
172 * @param lino The line number from @p disklist to convert to a string.
173 * @return The string form of the disklist entry.
174 * @note The returned string points to static storage and will be overwritten with each call.
175 */
176char *disklist_entry_to_string(struct list_of_disks *disklist, int lino)
177{
178
179    /*@ buffers ********************************************************** */
180    static char output[MAX_STR_LEN];
181
182    assert(disklist != NULL);
183
184    sprintf(output, "%-24s %8d", disklist->el[lino].device,
185            disklist->el[lino].index);
186    return (output);
187}
188
189
190
191
192
193/**
194 * Turn a "friendly" sizestring into a number of megabytes.
195 * Supports the suffixes 'k'/'K', 'm'/'M', and 'g'/'G'. Calls
196 * fatal_error() if an unknown suffix is encountered.
197 * @param incoming The sizestring to convert (e.g. "40m", "2g").
198 * @return The size in megabytes.
199 */
200long friendly_sizestr_to_sizelong(char *incoming)
201{
202    long outval;
203    int i;
204    char *tmp;
205    char *tmp1 = NULL;
206    char ch;
207
208    assert_string_is_neither_NULL_nor_zerolength(incoming);
209
210    malloc_string(tmp);
211    if (!incoming[0]) {
212        free(tmp);
213        return (0);
214    }
215    if (strchr(incoming, '.')) {
216        fatal_error("Please use integers only. No decimal points.");
217    }
218    strcpy(tmp, incoming);
219    i = (int) strlen(tmp);
220    if (tmp[i - 1] == 'B' || tmp[i - 1] == 'b') {
221        tmp[i - 1] = '\0';
222    }
223    for (i = 0; i < (int) strlen(tmp) && isdigit(tmp[i]); i++);
224    ch = tmp[i];
225    tmp[i] = '\0';
226    outval = atol(tmp);
227    paranoid_free(tmp);
228    if (ch == 'g' || ch == 'G') {
229        outval = outval * 1024;
230    } else if (ch == 'k' || ch == 'K') {
231        outval = outval / 1024;
232    } else if (ch == 't' || ch == 'T')  // terabyte
233    {
234        outval *= 1048576;
235    } else if (ch == 'Y' || ch == 'y')  // yottabyte - the biggest measure in the info file
236    {
237        log_it
238            ("Oh my gosh. You actually think a YOTTABYTE will get you anywhere? What're you going to do with 1,208,925,819,614,629,174,706,176 bytes of data?!?!");
239        popup_and_OK
240            ("That sizespec is more than 1,208,925,819,614,629,174,706,176 bytes. You have a shocking amount of data. Please send a screenshot to the list :-)");
241        fatal_error("Integer overflow.");
242    } else if (ch != 'm' && ch != 'M') {
243        mr_asprintf(tmp1, "Re: parameter '%s' - bad multiplier ('%c')", incoming, ch);
244        fatal_error(tmp1);
245    }
246    return (outval);
247}
248
249
250
251/**
252 * Add spaces to the right of @p incoming to make it @p width characters wide.
253 * @param incoming The string to left-pad.
254 * @param width The width to pad it to.
255 * @return The left-padded string.
256 * @note The returned string points to static storage that will be overwritten with each call.
257 * @bug Why does center_string() modify its argument but leftpad_string() returns a modified copy?
258 */
259char *leftpad_string(char *incoming, int width)
260{
261    /*@ buffers ***************************************************** */
262    static char output[MAX_STR_LEN];
263
264    /*@ ints ******************************************************** */
265    int i;
266
267    /*@ end vars **************************************************** */
268    assert(incoming != NULL);
269    assert(width > 2);
270
271    strcpy(output, incoming);
272    for (i = (int) strlen(output); i < width; i++) {
273        output[i] = ' ';
274    }
275    output[i] = '\0';
276    return (output);
277}
278
279
280
281/**
282 * Turn a marker byte (e.g. BLK_START_OF_BACKUP) into a string (e.g. "BLK_START_OF_BACKUP").
283 * Unknown markers are identified as "BLK_UNKNOWN (%d)" where %d is the decimal value.
284 * @param marker The marker byte to stringify.
285 * @return @p marker as a string.
286 * @note The returned string points to static storage that will be overwritten with each call.
287 */
288char *marker_to_string(int marker)
289{
290    /*@ buffer ****************************************************** */
291    static char outstr[MAX_STR_LEN];
292
293
294    /*@ end vars *************************************************** */
295
296    switch (marker) {
297    case BLK_START_OF_BACKUP:
298        strcpy(outstr, "BLK_START_OF_BACKUP");
299        break;
300    case BLK_START_OF_TAPE:
301        strcpy(outstr, "BLK_START_OF_TAPE");
302        break;
303    case BLK_START_AN_AFIO_OR_SLICE:
304        strcpy(outstr, "BLK_START_AN_AFIO_OR_SLICE");
305        break;
306    case BLK_STOP_AN_AFIO_OR_SLICE:
307        strcpy(outstr, "BLK_STOP_AN_AFIO_OR_SLICE");
308        break;
309    case BLK_START_AFIOBALLS:
310        strcpy(outstr, "BLK_START_AFIOBALLS");
311        break;
312    case BLK_STOP_AFIOBALLS:
313        strcpy(outstr, "BLK_STOP_AFIOBALLS");
314        break;
315    case BLK_STOP_BIGGIEFILES:
316        strcpy(outstr, "BLK_STOP_BIGGIEFILES");
317        break;
318    case BLK_START_A_NORMBIGGIE:
319        strcpy(outstr, "BLK_START_A_NORMBIGGIE");
320        break;
321    case BLK_START_A_PIHBIGGIE:
322        strcpy(outstr, "BLK_START_A_PIHBIGGIE");
323        break;
324    case BLK_START_EXTENDED_ATTRIBUTES:
325        strcpy(outstr, "BLK_START_EXTENDED_ATTRIBUTES");
326        break;
327    case BLK_STOP_EXTENDED_ATTRIBUTES:
328        strcpy(outstr, "BLK_STOP_EXTENDED_ATTRIBUTES");
329        break;
330    case BLK_START_EXAT_FILE:
331        strcpy(outstr, "BLK_START_EXAT_FILE");
332        break;
333    case BLK_STOP_EXAT_FILE:
334        strcpy(outstr, "BLK_STOP_EXAT_FILE");
335        break;
336    case BLK_START_BIGGIEFILES:
337        strcpy(outstr, "BLK_START_BIGGIEFILES");
338        break;
339    case BLK_STOP_A_BIGGIE:
340        strcpy(outstr, "BLK_STOP_A_BIGGIE");
341        break;
342    case BLK_END_OF_TAPE:
343        strcpy(outstr, "BLK_END_OF_TAPE");
344        break;
345    case BLK_END_OF_BACKUP:
346        strcpy(outstr, "BLK_END_OF_BACKUP");
347        break;
348    case BLK_ABORTED_BACKUP:
349        strcpy(outstr, "BLK_ABORTED_BACKUP");
350        break;
351    case BLK_START_FILE:
352        strcpy(outstr, "BLK_START_FILE");
353        break;
354    case BLK_STOP_FILE:
355        strcpy(outstr, "BLK_STOP_FILE");
356        break;
357    default:
358        sprintf(outstr, "BLK_UNKNOWN (%d)", marker);
359        break;
360    }
361    return (outstr);
362}
363
364
365
366
367/**
368 * Turn a line from the mountlist into a GUI-friendly string.
369 * The format is as follows: the left-aligned @p device field padded to 24 places,
370 * a space, the left-aligned @p mountpoint field again padded to 24 places, a space,
371 * the left-aligned @p format field padded to 10 places, a space, and the right-aligned
372 * @p size field (in MB) padded to 8 places. The total string length is exactly 69.
373 * @param mountlist The mountlist to operate on.
374 * @param lino The line number in @p mountlist to stringify.
375 * @return The string form of <tt>mountlist</tt>-\>el[<tt>lino</tt>].
376 * @note The returned string points to static storage and will be overwritten with each call.
377 */
378char *mountlist_entry_to_string(struct mountlist_itself *mountlist,
379                                int lino)
380{
381
382    /*@ buffer *********************************************************** */
383    static char output[MAX_STR_LEN];
384
385    assert(mountlist != NULL);
386
387    sprintf(output, "%-24s %-24s %-10s %8lld", mountlist->el[lino].device,
388            mountlist->el[lino].mountpoint, mountlist->el[lino].format,
389            mountlist->el[lino].size / 1024L);
390    return (output);
391}
392
393
394
395
396
397
398/**
399 * Generate a friendly string containing "X blah blah disk(s)"
400 * @param noof_disks The number of disks (the X).
401 * @param label The "blah blah" part in the middle. If you leave this blank
402 * there will be a weird double space in the middle, so pass *something*.
403 * @return The string containing "X blah blah disk(s)".
404 * @note The returned string points to static storage and will be overwritten with each call.
405 */
406char *number_of_disks_as_string(int noof_disks, char *label)
407{
408
409    /*@ buffers ********************************************************* */
410    char *output = NULL;
411
412    /*@ char     ******************************************************** */
413    char p;
414
415    assert(label != NULL);
416
417    if (noof_disks > 1) {
418        p = 's';
419    } else {
420        p = ' ';
421    }
422    mr_asprintf(output, "%d %s disk%c", noof_disks, label, p);
423    while (strlen(output) < 14) {
424        mr_strcat(output, " ");
425    }
426    return (output);
427}
428
429
430
431/**
432 * Change @p i into a friendly string. If @p i is \<= 10 then write out the
433 * number (e.g. "one", "two", ..., "nine", "ten", "11", ...).
434 * @param i The number to stringify.
435 * @return The string form of @p i.
436 * @note The returned value points to static strorage that will be overwritten with each call.
437 */
438char *number_to_text(int i)
439{
440
441    /*@ buffers ***************************************************** */
442    static char output[MAX_STR_LEN];
443
444
445    /*@ end vars *************************************************** */
446
447    switch (i) {
448    case 0:
449        strcpy(output, "zero");
450        break;
451    case 1:
452        strcpy(output, "one");
453        break;
454    case 2:
455        strcpy(output, "two");
456        break;
457    case 3:
458        strcpy(output, "three");
459        break;
460    case 4:
461        strcpy(output, "four");
462        break;
463    case 5:
464        strcpy(output, "five");
465        break;
466    case 6:
467        strcpy(output, "six");
468        break;
469    case 7:
470        strcpy(output, "seven");
471        break;
472    case 8:
473        strcpy(output, "eight");
474        break;
475    case 9:
476        strcpy(output, "nine");
477    case 10:
478        strcpy(output, "ten");
479    default:
480        sprintf(output, "%d", i);
481    }
482    return (output);
483}
484
485
486
487
488/**
489 * Replace all occurences of @p token with @p value while copying @p ip to @p output.
490 * @param ip The input string containing zero or more <tt>token</tt>s. The string will be altered by this function
491 * @param output The output string written with the <tt>token</tt>s replaced by @p value.
492 * @param token The token to be relaced with @p value.
493 * @param value The value to replace @p token.
494 */
495char *resolve_naff_tokens(char *ip, char *value, char *token)
496{
497    /*@ buffers *** */
498    char *output = NULL;
499
500    /*@ pointers * */
501    char *p = NULL; /* points to token to modify */
502    char *q = NULL; /* points to start of string/new string */
503
504    assert_string_is_neither_NULL_nor_zerolength(token);
505    assert(value != NULL);
506
507    q = ip;
508    while ((p = strstr(q, token)) != NULL) {
509        *p = '\0';
510        if (output) {
511            mr_strcat(output, "%s%s", q, value);
512        } else {
513            mr_asprintf(output, "%s%s", q, value);
514        }
515        p+= strlen(token);
516        q = p;
517    }
518    if (output) {
519        mr_strcat(output, "%s", q);
520    } else {
521        /* just in case the token doesn't appear in string at all */
522        mr_asprintf(output, "%s", q);
523    }
524    return(output);
525}
526
527
528
529
530
531/**
532 * Generate the filename of slice @p sliceno of biggiefile @p bigfileno
533 * in @p path with suffix @p s. The format is as follows: @p path, followed
534 * by "/slice-" and @p bigfileno zero-padded to 7 places, followed by
535 * a dot and @p sliceno zero-padded to 5 places, followed by ".dat" and the
536 * suffix. The string is a minimum of 24 characters long.
537 * @param bigfileno The biggiefile number. Starts from 0.
538 * @param sliceno The slice number of biggiefile @p bigfileno. 0 is a "header"
539 * slice (no suffix) containing the biggiestruct, then are the compressed
540 * slices, then an empty uncompressed "trailer" slice.
541 * @param path The path to append (with a / in the middle) to the slice filename.
542 * @param s If not "" then add a "." and this to the end.
543 * @return The slice filename.
544 * @note The returned value points to static storage and will be overwritten with each call.
545 */
546char *slice_fname(long bigfileno, long sliceno, char *path, char *s)
547{
548
549    /*@ buffers **************************************************** */
550    static char output[MAX_STR_LEN];
551    char *suffix = NULL;
552
553    /*@ end vars *************************************************** */
554
555    assert_string_is_neither_NULL_nor_zerolength(path);
556    if (s[0] != '\0') {
557        mr_asprintf(suffix, ".%s", s);
558    } else {
559        mr_asprintf(suffix, "");
560    }
561    sprintf(output, "%s/slice-%07ld.%05ld.dat%s", path, bigfileno, sliceno, suffix);
562    mr_free(suffix);
563    return (output);
564}
565
566
567/**
568 * Generate a spinning symbol based on integer @p i.
569 * The symbol rotates through the characters / - \ | to form an ASCII "spinner"
570 * if successively written to the same location on screen.
571 * @param i The amount of progress or whatever else to use to determine the character
572 * for this iteration of the spinner.
573 * @return The character for this iteration.
574 */
575int special_dot_char(int i)
576{
577    switch (i % 4) {
578    case 0:
579        return ('/');
580    case 1:
581        return ('-');
582    case 2:
583        return ('\\');
584    case 3:
585        return ('|');
586    default:
587        return ('.');
588    }
589    return ('.');
590}
591
592
593/**
594 * Compare @p stringA and @p stringB. This uses an ASCII sort for everything
595 * up to the digits on the end but a numerical sort for the digits on the end.
596 * @param stringA The first string to compare.
597 * @param stringB The second string to compare.
598 * @return The same as strcmp() - <0 if A<B, 0 if A=B, >0 if A>B.
599 * @note This function only does a numerical sort on the @e last set of numbers. If
600 * there are any in the middle those will be sorted ASCIIbetically.
601 */
602int strcmp_inc_numbers(char *stringA, char *stringB)
603{
604    /*@ int ********************************************************* */
605    int i;
606    int start_of_numbers_in_A;
607    int start_of_numbers_in_B;
608    int res;
609
610    /*@ long ******************************************************* */
611    long numA;
612    long numB;
613
614    /*@ end vars *************************************************** */
615    assert(stringA != NULL);
616    assert(stringB != NULL);
617
618    if (strlen(stringA) == strlen(stringB)) {
619        return (strcmp(stringA, stringB));
620    }
621    for (i = (int) strlen(stringA); i > 0 && isdigit(stringA[i - 1]); i--);
622    if (i == (int) strlen(stringA)) {
623        return (strcmp(stringA, stringB));
624    }
625    start_of_numbers_in_A = i;
626    for (i = (int) strlen(stringB); i > 0 && isdigit(stringB[i - 1]); i--);
627    if (i == (int) strlen(stringB)) {
628        return (strcmp(stringA, stringB));
629    }
630    start_of_numbers_in_B = i;
631    if (start_of_numbers_in_A != start_of_numbers_in_B) {
632        return (strcmp(stringA, stringB));
633    }
634    res = strncmp(stringA, stringB, (size_t) i);
635    if (res) {
636        return (res);
637    }
638    numA = atol(stringA + start_of_numbers_in_A);
639    numB = atol(stringB + start_of_numbers_in_B);
640    return ((int) (numA - numB));
641}
642
643
644
645/**
646 * Strip excess baggage from @p input, which should be a line from afio.
647 * For now this copies the whole line unless it finds a set of quotes, in which case
648 * it copies their contents only.
649 * @param input The input line (presumably from afio).
650 * @return The stripped line.
651 * @note The returned string points to static storage that will be overwritten with each call.
652 */
653char *strip_afio_output_line(char *input)
654{
655    /*@ buffer ****************************************************** */
656    static char output[MAX_STR_LEN];
657
658    /*@ pointers **************************************************** */
659    char *p;
660    char *q;
661    /*@ end vars *************************************************** */
662
663    assert(input != NULL);
664    strcpy(output, input);
665    p = strchr(input, '\"');
666    if (p) {
667        q = strchr(++p, '\"');
668        if (q) {
669            strcpy(output, p);
670            *(strchr(output, '\"')) = '\0';
671        }
672    }
673    return (output);
674}
675
676
677
678/**
679 * Remove all characters whose ASCII value is less than or equal to 32
680 * (spaces and control characters) from both sides of @p in_out.
681 * @param in_out The string to strip spaces/control characters from (modified).
682 */
683void strip_spaces(char *in_out)
684{
685    /*@ buffers ***************************************************** */
686    char *tmp;
687
688    /*@ pointers **************************************************** */
689    char *p;
690
691    /*@ int ******************************************************** */
692    int i;
693    int original_incoming_length;
694
695    /*@ end vars *************************************************** */
696
697    assert(in_out != NULL);
698    malloc_string(tmp);
699    original_incoming_length = (int) strlen(in_out);
700    for (i = 0; in_out[i] <= ' ' && i < (int) strlen(in_out); i++);
701    strcpy(tmp, in_out + i);
702    for (i = (int) strlen(tmp); i > 0 && tmp[i - 1] <= 32; i--);
703    tmp[i] = '\0';
704    for (i = 0; i < original_incoming_length && MAX_STR_LEN; i++) {
705        in_out[i] = ' ';
706    }
707    in_out[i] = '\0';
708    i = 0;
709    p = tmp;
710    while (*p != '\0') {
711        in_out[i] = *(p++);
712        in_out[i + 1] = '\0';
713        if (in_out[i] < 32 && i > 0) {
714            if (in_out[i] == 8) {
715                i--;
716            } else if (in_out[i] == 9) {
717                in_out[i++] = ' ';
718            } else if (in_out[i] == '\r')   // added 1st October 2003 -- FIXME
719            {
720                strcpy(tmp, in_out + i);
721                strcpy(in_out, tmp);
722                i = -1;
723                continue;
724            } else if (in_out[i] == '\t') {
725                for (i++; i % 5; i++);
726            } else if (in_out[i] >= 10 && in_out[i] <= 13) {
727                break;
728            } else {
729                i--;
730            }
731        } else {
732            i++;
733        }
734    }
735    in_out[i] = '\0';
736    paranoid_free(tmp);
737}
738
739
740/**
741 * If there are double quotes "" around @p incoming then remove them.
742 * This does not affect other quotes that may be embedded within the string.
743 * @param incoming The string to trim quotes from (modified).
744 * @return @p incoming.
745 */
746char *trim_empty_quotes(char *incoming)
747{
748    /*@ buffer ****************************************************** */
749    static char outgoing[MAX_STR_LEN];
750
751    /*@ end vars *************************************************** */
752    assert(incoming != NULL);
753
754    if (incoming[0] == '\"' && incoming[strlen(incoming) - 1] == '\"') {
755        strcpy(outgoing, incoming + 1);
756        outgoing[strlen(outgoing) - 1] = '\0';
757    } else {
758        strcpy(outgoing, incoming);
759    }
760    return (outgoing);
761}
762
763
764
765
766/**
767 * Remove any partition info from @p partition, leaving just the drive name.
768 * @param partition The partition name soon-to-become drive name. (modified)
769 * @return @p partition.
770 */
771char *truncate_to_drive_name(char *partition)
772{
773    int i = strlen(partition) - 1;
774    char *c;
775    char *trunc = NULL;
776
777    assert_string_is_neither_NULL_nor_zerolength(partition);
778    mr_asprintf(trunc, "%s", partition);
779
780#ifdef __FreeBSD__
781
782    if (islower(trunc[i]))  // BSD subpartition
783        i--;
784    if (trunc[i-1] == 's') {
785        while (isdigit(trunc[i]))
786            i--;
787        i--;
788    }
789    trunc[i+1] = '\0';
790
791#else
792
793    /* first see if it's a devfs style device */
794    c = strrchr(trunc, '/');
795    if (c && strncmp(c, "/part", 5) == 0) {
796        /* yup it's devfs, return the "disc" path */
797        strcpy(c + 1, "disc");
798        return trunc;
799    }
800    /* then see if it's a dm style device */
801    if (c && strncmp(c, "/dm-", 4) == 0) {
802        /* yup it's dm, return the full path */
803        return trunc;
804    }
805
806
807    for (i = strlen(trunc); isdigit(trunc[i-1]); i--)
808        continue;
809    if (trunc[i-1] == 'p' && isdigit(trunc[i-2])) {
810        i--;
811    } else {
812        /* Some full devices like this /dev/mapper/mpath0
813           /dev/cciss/c0d0 may be used as partition names */
814        if ((strstr(trunc,"/dev/mapper/mpath") != NULL) ||
815            (strstr(trunc,"/dev/cciss/c") != NULL) ||
816            (strstr(trunc,"/dev/rd/") != NULL)) {
817                return trunc;
818            }
819    }
820    trunc[i] = '\0';
821
822#endif
823
824    return trunc;
825}
826
827
828
829
830
831/**
832 * Turn a RAID level number (-1 to 5) into a friendly string. The string
833 * is either "Linear RAID" for -1, or " RAID %-2d " (%d = @p raid_level)
834 * for anything else.
835 * @param raid_level The RAID level to stringify.
836 * @return The string form of @p raid_level.
837 * @note The returned value points to static storage that will be overwritten with each call.
838 */
839char *turn_raid_level_number_to_string(int raid_level)
840{
841
842    /*@ buffer ********************************************************** */
843    static char output[MAX_STR_LEN];
844
845
846
847    if (raid_level >= 0) {
848        sprintf(output, " RAID %-2d ", raid_level);
849    } else {
850        sprintf(output, "Linear RAID");
851    }
852    return (output);
853}
854
855
856
857
858
859
860
861
862
863/**
864 * Determine the severity (1-3, 1 being low) of the fact that
865 * @p fn changed in the live filesystem (verify/compare).
866 * @param fn The filename that changed.
867 * @param out_reason If non-NULL, a descriptive reason for the difference will be copied here.
868 * @return The severity (1-3).
869 */
870int severity_of_difference(char *fn, char *out_reason) {
871
872    int sev;
873    char *reason = NULL;
874    char *filename = NULL;
875
876    // out_reason might be null on purpose, so don't bomb if it is :) OK?
877    assert_string_is_neither_NULL_nor_zerolength(fn);
878    if (!strncmp(fn, MNT_RESTORING, strlen(MNT_RESTORING))) {
879        mr_asprintf(filename, "%s", fn + strlen(MNT_RESTORING));
880    } else if (fn[0] != '/') {
881        mr_asprintf(filename, "/%s", fn);
882    } else {
883        mr_asprintf(filename, "%s", fn);
884    }
885
886    sev = 3;
887    mr_asprintf(reason, "Changed since backup. Consider running a differential backup in a day or two.");
888
889    if (!strncmp(filename, "/var/", 5)) {
890        sev = 2;
891        mr_free(reason);
892        mr_asprintf(reason, "/var's contents will change regularly, inevitably.");
893    }
894    if (!strncmp(filename, "/home", 5)) {
895        sev = 2;
896        mr_free(reason);
897        mr_asprintf(reason, "It's in your /home directory. Therefore, it is important.");
898    }
899    if (!strncmp(filename, "/usr/", 5)) {
900        sev = 3;
901        mr_free(reason);
902        mr_asprintf(reason, "You may have installed/removed software during the backup.");
903    }
904    if (!strncmp(filename, "/etc/", 5)) {
905        sev = 3;
906        mr_free(reason);
907        mr_asprintf(reason, "Do not edit config files while backing up your PC.");
908    }
909    if (!strcmp(filename, "/etc/adjtime")
910        || !strcmp(filename, "/etc/mtab")) {
911        sev = 1;
912        mr_free(reason);
913        mr_asprintf(reason, "This file changes all the time. It's OK.");
914    }
915    if (!strncmp(filename, "/root/", 6)) {
916        sev = 3;
917        mr_free(reason);
918        mr_asprintf(reason, "Were you compiling/editing something in /root?");
919    }
920    if (!strncmp(filename, "/root/.", 7)) {
921        sev = 2;
922        mr_free(reason);
923        mr_asprintf(reason, "Temp or 'dot' files changed in /root.");
924    }
925    if (!strncmp(filename, "/var/lib/", 9)) {
926        sev = 2;
927        mr_free(reason);
928        mr_asprintf(reason, "Did you add/remove software during backing?");
929    }
930    if (!strncmp(filename, "/var/lib/rpm", 12)) {
931        sev = 3;
932        mr_free(reason);
933        mr_asprintf(reason, "Did you add/remove software during backing?");
934    }
935    if (!strncmp(filename, "/var/lib/slocate", 16)) {
936        sev = 1;
937        mr_free(reason);
938        mr_asprintf(reason, "The 'update' daemon ran during backup. This does not affect the integrity of your backup.");
939    }
940    if (!strncmp(filename, "/var/log/", 9)
941        || strstr(filename, "/.xsession")
942        || !strcmp(filename + strlen(filename) - 4, ".log")) {
943        sev = 1;
944        mr_free(reason);
945        mr_asprintf(reason, "Log files change frequently as the computer runs. Fret not.");
946    }
947    if (!strncmp(filename, "/var/spool", 10)) {
948        sev = 1;
949        mr_free(reason);
950        mr_asprintf(reason, "Background processes or printers were active. This does not affect the integrity of your backup.");
951    }
952    if (!strncmp(filename, "/var/spool/mail", 10)) {
953        sev = 2;
954        mr_free(reason);
955        mr_asprintf(reason, "Mail was sent/received during backup.");
956    }
957    if (filename[strlen(filename) - 1] == '~') {
958        sev = 1;
959        mr_free(reason);
960        mr_asprintf(reason, "Backup copy of another file which was modified recently.");
961    }
962    if (strstr(filename, "cache")) {
963        sev = 1;
964        mr_free(reason);
965        mr_asprintf(reason, "Part of a cache of data. Caches change from time to time. Don't worry.");
966    }
967    if (!strncmp(filename, "/var/run/", 9)
968        || !strncmp(filename, "/var/lock", 8)
969        || strstr(filename, "/.DCOPserver") || strstr(filename, "/.MCOP")
970        || strstr(filename, "/.Xauthority")) {
971        sev = 1;
972        mr_free(reason);
973        mr_asprintf(reason, "Temporary file (a lockfile, perhaps) used by software such as X or KDE to register its presence.");
974    }
975    if (out_reason) {
976        strcpy(out_reason, reason);
977    }
978    mr_free(filename);
979    mr_free(reason);
980    return (sev);
981}
982
983
984
985/**
986 * Compare the filenames in two filelist entries (s_filelist_entry*) casted
987 * to void*.
988 * @param va The first filelist entry, cast as a @c void pointer.
989 * @param vb The second filelist entry, cast as a @c void pointer.
990 * @return The return value of strcmp().
991 */
992int compare_two_filelist_entries(void *va, void *vb)
993{
994    static int res;
995    struct s_filelist_entry *fa, *fb;
996
997    assert(va != NULL);
998    assert(vb != NULL);
999    fa = (struct s_filelist_entry *) va;
1000    fb = (struct s_filelist_entry *) vb;
1001    res = strcmp(fa->filename, fb->filename);
1002    return (res);
1003}
1004
1005
1006
1007
1008
1009
1010
1011/**
1012 * Generate a line intended to be passed to update_evalcall_form(), indicating
1013 * the current media fill percentage (or number of kilobytes if size is not known).
1014 * @param bkpinfo The backup media structure. Fields used:
1015 * - @c bkpinfo->backup_media_type
1016 * - @c bkpinfo->media_size
1017 * - @c bkpinfo->scratchdir
1018 * @return The string indicating media fill.
1019 * @note The returned string points to static storage that will be overwritten with each call.
1020 */
1021char *percent_media_full_comment()
1022{
1023    /*@ int *********************************************** */
1024    int percentage;
1025    int j;
1026
1027    /*@ buffers ******************************************* */
1028    char *outstr = NULL;
1029    char *pos_w_commas = NULL;
1030    char *mds = NULL;
1031    char *tmp = NULL;
1032
1033    assert(bkpinfo != NULL);
1034
1035    if (bkpinfo->media_size[g_current_media_number] <= 0) {
1036        mr_asprintf(tmp, "%lld", g_tape_posK);
1037        mr_asprintf(pos_w_commas, "%s", commarize(tmp));
1038        mr_free(tmp);
1039        mr_asprintf(outstr, "Volume %d: %s kilobytes archived so far", g_current_media_number, pos_w_commas);
1040        mr_free(pos_w_commas);
1041        return (outstr);
1042    }
1043
1044/* update screen */
1045    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
1046        percentage =
1047            (int) (g_tape_posK / 10 /
1048                   bkpinfo->media_size[g_current_media_number]);
1049        if (percentage > 100) {
1050            percentage = 100;
1051        }
1052        mr_asprintf(outstr, "Volume %d: [", g_current_media_number);
1053    } else {
1054        percentage =
1055            (int) (space_occupied_by_cd(bkpinfo->scratchdir) * 100 / 1024 /
1056                   bkpinfo->media_size[g_current_media_number]);
1057        mds = media_descriptor_string(bkpinfo->backup_media_type);
1058        mr_asprintf(outstr, "%s %d: [", mds, g_current_media_number);
1059        mr_free(mds);
1060    }
1061    for (j = 0; j < percentage; j += 5) {
1062        mr_strcat(outstr, "*");
1063    }
1064    for (; j < 100; j += 5) {
1065        mr_strcat(outstr, ".");
1066    }
1067    mr_strcat(outstr, "] %d%% used", percentage);
1068    return (outstr);
1069}
1070
1071/**
1072 * Get a string form of @p type_of_bkp.
1073 * @param type_of_bkp The backup type to stringify.
1074 * @return The stringification of @p type_of_bkp.
1075 * @note The returned string points to static storage that will be overwritten with each call.
1076 */
1077/* BCO/BERLIOS change that function to allocate memory, return a pointer and modify caller to free the mem */
1078char *media_descriptor_string(t_bkptype type_of_bkp) {
1079
1080    char *type_of_backup = NULL;
1081
1082    switch (type_of_bkp) {
1083    case dvd:
1084        mr_asprintf(type_of_backup, "DVD");
1085        break;
1086    case cdr:
1087        mr_asprintf(type_of_backup, "CDR");
1088        break;
1089    case cdrw:
1090        mr_asprintf(type_of_backup, "CDRW");
1091        break;
1092    case tape:
1093        mr_asprintf(type_of_backup, "tape");
1094        break;
1095    case cdstream:
1096        mr_asprintf(type_of_backup, "CDR");
1097        break;
1098    case udev:
1099        mr_asprintf(type_of_backup, "udev");
1100        break;
1101    case iso:
1102        mr_asprintf(type_of_backup, "ISO");
1103        break;
1104    case netfs:
1105        mr_asprintf(type_of_backup, "netfs");
1106        break;
1107    case usb:
1108        mr_asprintf(type_of_backup, "USB");
1109        break;
1110    default:
1111        mr_asprintf(type_of_backup, "ISO");
1112    }
1113    return (type_of_backup);
1114}
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