]>
Commit | Line | Data |
---|---|---|
1 | /* ar.c - Archive modify and extract. | |
2 | Copyright (C) 1991-2025 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Binutils. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | \f | |
21 | /* | |
22 | Bugs: GNU ar used to check file against filesystem in quick_update and | |
23 | replace operations (would check mtime). Doesn't warn when name truncated. | |
24 | No way to specify pos_end. Error messages should be more consistent. */ | |
25 | ||
26 | #include "sysdep.h" | |
27 | #include "bfd.h" | |
28 | #include "libiberty.h" | |
29 | #include "getopt.h" | |
30 | #include "aout/ar.h" | |
31 | #include "bucomm.h" | |
32 | #include "arsup.h" | |
33 | #include "filenames.h" | |
34 | #include "binemul.h" | |
35 | #include "plugin-api.h" | |
36 | #include "plugin.h" | |
37 | #include "ansidecl.h" | |
38 | ||
39 | #ifdef __GO32___ | |
40 | #define EXT_NAME_LEN 3 /* Bufflen of addition to name if it's MS-DOS. */ | |
41 | #else | |
42 | #define EXT_NAME_LEN 6 /* Ditto for *NIX. */ | |
43 | #endif | |
44 | ||
45 | /* Static declarations. */ | |
46 | ||
47 | static void mri_emul (void); | |
48 | static const char *normalize (const char *, bfd *); | |
49 | static void remove_output (void); | |
50 | static void map_over_members (bfd *, void (*)(bfd *), char **, int); | |
51 | static void print_contents (bfd * member); | |
52 | static void delete_members (bfd *, char **files_to_delete); | |
53 | ||
54 | static void move_members (bfd *, char **files_to_move); | |
55 | static void replace_members | |
56 | (bfd *, char **files_to_replace, bool quick); | |
57 | static void print_descr (bfd * abfd); | |
58 | static void write_archive (bfd *); | |
59 | static int ranlib_only (const char *archname); | |
60 | static int ranlib_touch (const char *archname); | |
61 | static void usage (int); | |
62 | \f | |
63 | /** Globals and flags. */ | |
64 | ||
65 | static int mri_mode; | |
66 | ||
67 | /* This flag distinguishes between ar and ranlib: | |
68 | 1 means this is 'ranlib'; 0 means this is 'ar'. | |
69 | -1 means if we should use argv[0] to decide. */ | |
70 | #ifndef is_ranlib | |
71 | extern int is_ranlib; | |
72 | #endif | |
73 | ||
74 | /* Nonzero means don't warn about creating the archive file if necessary. */ | |
75 | int silent_create = 0; | |
76 | ||
77 | /* Nonzero means describe each action performed. */ | |
78 | int verbose = 0; | |
79 | ||
80 | /* Nonzero means display offsets of files in the archive. */ | |
81 | int display_offsets = 0; | |
82 | ||
83 | /* Nonzero means preserve dates of members when extracting them. */ | |
84 | int preserve_dates = 0; | |
85 | ||
86 | /* Nonzero means don't replace existing members whose dates are more recent | |
87 | than the corresponding files. */ | |
88 | int newer_only = 0; | |
89 | ||
90 | /* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF | |
91 | member). -1 means we've been explicitly asked to not write a symbol table; | |
92 | +1 means we've been explicitly asked to write it; | |
93 | 0 is the default. | |
94 | Traditionally, the default in BSD has been to not write the table. | |
95 | However, for POSIX.2 compliance the default is now to write a symbol table | |
96 | if any of the members are object files. */ | |
97 | int write_armap = 0; | |
98 | ||
99 | /* Operate in deterministic mode: write zero for timestamps, uids, | |
100 | and gids for archive members and the archive symbol table, and write | |
101 | consistent file modes. */ | |
102 | int deterministic = -1; /* Determinism indeterminate. */ | |
103 | ||
104 | /* Nonzero means it's the name of an existing member; position new or moved | |
105 | files with respect to this one. */ | |
106 | char *posname = NULL; | |
107 | ||
108 | /* Sez how to use `posname': pos_before means position before that member. | |
109 | pos_after means position after that member. pos_end means always at end. | |
110 | pos_default means default appropriately. For the latter two, `posname' | |
111 | should also be zero. */ | |
112 | enum pos | |
113 | { | |
114 | pos_default, pos_before, pos_after, pos_end | |
115 | } postype = pos_default; | |
116 | ||
117 | enum operations | |
118 | { | |
119 | none = 0, del, replace, print_table, | |
120 | print_files, extract, move, quick_append | |
121 | } operation = none; | |
122 | ||
123 | static bfd ** | |
124 | get_pos_bfd (bfd **, enum pos, const char *); | |
125 | ||
126 | /* For extract/delete only. If COUNTED_NAME_MODE is TRUE, we only | |
127 | extract the COUNTED_NAME_COUNTER instance of that name. */ | |
128 | static bool counted_name_mode = 0; | |
129 | static int counted_name_counter = 0; | |
130 | ||
131 | /* Whether to truncate names of files stored in the archive. */ | |
132 | static bool ar_truncate = false; | |
133 | ||
134 | /* Whether to use a full file name match when searching an archive. | |
135 | This is convenient for archives created by the Microsoft lib | |
136 | program. */ | |
137 | static bool full_pathname = false; | |
138 | ||
139 | /* Whether to create a "thin" archive (symbol index only -- no files). */ | |
140 | static bool make_thin_archive = false; | |
141 | ||
142 | #define LIBDEPS "__.LIBDEP" | |
143 | /* Text to store in the __.LIBDEP archive element for the linker to use. */ | |
144 | static char * libdeps = NULL; | |
145 | static bfd * libdeps_bfd = NULL; | |
146 | ||
147 | static int show_version = 0; | |
148 | ||
149 | static int show_help = 0; | |
150 | ||
151 | #if BFD_SUPPORTS_PLUGINS | |
152 | static const char *plugin_target = "plugin"; | |
153 | #else | |
154 | static const char *plugin_target = NULL; | |
155 | #endif | |
156 | ||
157 | static const char *target = NULL; | |
158 | ||
159 | enum long_option_numbers | |
160 | { | |
161 | OPTION_PLUGIN = 201, | |
162 | OPTION_TARGET, | |
163 | OPTION_OUTPUT | |
164 | }; | |
165 | ||
166 | static const char * output_dir = NULL; | |
167 | ||
168 | static struct option long_options[] = | |
169 | { | |
170 | {"help", no_argument, &show_help, 1}, | |
171 | {"plugin", required_argument, NULL, OPTION_PLUGIN}, | |
172 | {"target", required_argument, NULL, OPTION_TARGET}, | |
173 | {"version", no_argument, &show_version, 1}, | |
174 | {"output", required_argument, NULL, OPTION_OUTPUT}, | |
175 | {"record-libdeps", required_argument, NULL, 'l'}, | |
176 | {"thin", no_argument, NULL, 'T'}, | |
177 | {NULL, no_argument, NULL, 0} | |
178 | }; | |
179 | ||
180 | int interactive = 0; | |
181 | ||
182 | static void | |
183 | mri_emul (void) | |
184 | { | |
185 | interactive = isatty (fileno (stdin)); | |
186 | yyparse (); | |
187 | } | |
188 | ||
189 | /* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero, | |
190 | COUNT is the length of the FILES chain; FUNCTION is called on each entry | |
191 | whose name matches one in FILES. */ | |
192 | ||
193 | static void | |
194 | map_over_members (bfd *arch, void (*function)(bfd *), char **files, int count) | |
195 | { | |
196 | bfd *head; | |
197 | int match_count; | |
198 | ||
199 | if (count == 0) | |
200 | { | |
201 | for (head = arch->archive_next; head; head = head->archive_next) | |
202 | function (head); | |
203 | return; | |
204 | } | |
205 | ||
206 | /* This may appear to be a baroque way of accomplishing what we want. | |
207 | However we have to iterate over the filenames in order to notice where | |
208 | a filename is requested but does not exist in the archive. Ditto | |
209 | mapping over each file each time -- we want to hack multiple | |
210 | references. */ | |
211 | ||
212 | for (head = arch->archive_next; head; head = head->archive_next) | |
213 | head->archive_pass = 0; | |
214 | ||
215 | for (; count > 0; files++, count--) | |
216 | { | |
217 | bool found = false; | |
218 | ||
219 | match_count = 0; | |
220 | for (head = arch->archive_next; head; head = head->archive_next) | |
221 | { | |
222 | const char * filename; | |
223 | ||
224 | /* PR binutils/15796: Once an archive element has been matched | |
225 | do not match it again. If the user provides multiple same-named | |
226 | parameters on the command line their intent is to match multiple | |
227 | same-named entries in the archive, not the same entry multiple | |
228 | times. */ | |
229 | if (head->archive_pass) | |
230 | continue; | |
231 | ||
232 | filename = bfd_get_filename (head); | |
233 | if (filename == NULL) | |
234 | { | |
235 | /* Some archive formats don't get the filenames filled in | |
236 | until the elements are opened. */ | |
237 | struct stat buf; | |
238 | bfd_stat_arch_elt (head, &buf); | |
239 | } | |
240 | else if (bfd_is_thin_archive (arch)) | |
241 | { | |
242 | /* Thin archives store full pathnames. Need to normalize. */ | |
243 | filename = normalize (filename, arch); | |
244 | } | |
245 | ||
246 | if (filename != NULL | |
247 | && !FILENAME_CMP (normalize (*files, arch), filename)) | |
248 | { | |
249 | ++match_count; | |
250 | if (counted_name_mode | |
251 | && match_count != counted_name_counter) | |
252 | { | |
253 | /* Counting, and didn't match on count; go on to the | |
254 | next one. */ | |
255 | continue; | |
256 | } | |
257 | ||
258 | found = true; | |
259 | function (head); | |
260 | head->archive_pass = 1; | |
261 | /* PR binutils/15796: Once a file has been matched, do not | |
262 | match any more same-named files in the archive. If the | |
263 | user does want to match multiple same-name files in an | |
264 | archive they should provide multiple same-name parameters | |
265 | to the ar command. */ | |
266 | break; | |
267 | } | |
268 | } | |
269 | ||
270 | if (!found) | |
271 | /* xgettext:c-format */ | |
272 | fprintf (stderr, _("no entry %s in archive\n"), *files); | |
273 | } | |
274 | } | |
275 | \f | |
276 | bool operation_alters_arch = false; | |
277 | ||
278 | static void | |
279 | usage (int help) | |
280 | { | |
281 | FILE *s; | |
282 | ||
283 | #if BFD_SUPPORTS_PLUGINS | |
284 | /* xgettext:c-format */ | |
285 | const char *command_line | |
286 | = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]" | |
287 | " [--plugin <name>] [member-name] [count] archive-file file...\n"); | |
288 | ||
289 | #else | |
290 | /* xgettext:c-format */ | |
291 | const char *command_line | |
292 | = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]" | |
293 | " [member-name] [count] archive-file file...\n"); | |
294 | #endif | |
295 | s = help ? stdout : stderr; | |
296 | ||
297 | fprintf (s, command_line, program_name); | |
298 | ||
299 | /* xgettext:c-format */ | |
300 | fprintf (s, _(" %s -M [<mri-script]\n"), program_name); | |
301 | fprintf (s, _(" commands:\n")); | |
302 | fprintf (s, _(" d - delete file(s) from the archive\n")); | |
303 | fprintf (s, _(" m[ab] - move file(s) in the archive\n")); | |
304 | fprintf (s, _(" p - print file(s) found in the archive\n")); | |
305 | fprintf (s, _(" q[f] - quick append file(s) to the archive\n")); | |
306 | fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n")); | |
307 | fprintf (s, _(" s - act as ranlib\n")); | |
308 | fprintf (s, _(" t[O][v] - display contents of the archive\n")); | |
309 | fprintf (s, _(" x[o] - extract file(s) from the archive\n")); | |
310 | fprintf (s, _(" command specific modifiers:\n")); | |
311 | fprintf (s, _(" [a] - put file(s) after [member-name]\n")); | |
312 | fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n")); | |
313 | if (DEFAULT_AR_DETERMINISTIC) | |
314 | { | |
315 | fprintf (s, _("\ | |
316 | [D] - use zero for timestamps and uids/gids (default)\n")); | |
317 | fprintf (s, _("\ | |
318 | [U] - use actual timestamps and uids/gids\n")); | |
319 | } | |
320 | else | |
321 | { | |
322 | fprintf (s, _("\ | |
323 | [D] - use zero for timestamps and uids/gids\n")); | |
324 | fprintf (s, _("\ | |
325 | [U] - use actual timestamps and uids/gids (default)\n")); | |
326 | } | |
327 | fprintf (s, _(" [N] - use instance [count] of name\n")); | |
328 | fprintf (s, _(" [f] - truncate inserted file names\n")); | |
329 | fprintf (s, _(" [P] - use full path names when matching\n")); | |
330 | fprintf (s, _(" [o] - preserve original dates\n")); | |
331 | fprintf (s, _(" [O] - display offsets of files in the archive\n")); | |
332 | fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n")); | |
333 | fprintf (s, _(" generic modifiers:\n")); | |
334 | fprintf (s, _(" [c] - do not warn if the library had to be created\n")); | |
335 | fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n")); | |
336 | fprintf (s, _(" [l <text> ] - specify the dependencies of this library\n")); | |
337 | fprintf (s, _(" [S] - do not build a symbol table\n")); | |
338 | fprintf (s, _(" [T] - deprecated, use --thin instead\n")); | |
339 | fprintf (s, _(" [v] - be verbose\n")); | |
340 | fprintf (s, _(" [V] - display the version number\n")); | |
341 | fprintf (s, _(" @<file> - read options from <file>\n")); | |
342 | fprintf (s, _(" --target=BFDNAME - specify the target object format as BFDNAME\n")); | |
343 | fprintf (s, _(" --output=DIRNAME - specify the output directory for extraction operations\n")); | |
344 | fprintf (s, _(" --record-libdeps=<text> - specify the dependencies of this library\n")); | |
345 | fprintf (s, _(" --thin - make a thin archive\n")); | |
346 | #if BFD_SUPPORTS_PLUGINS | |
347 | fprintf (s, _(" optional:\n")); | |
348 | fprintf (s, _(" --plugin <p> - load the specified plugin\n")); | |
349 | #endif | |
350 | ||
351 | ar_emul_usage (s); | |
352 | ||
353 | list_supported_targets (program_name, s); | |
354 | ||
355 | if (REPORT_BUGS_TO[0] && help) | |
356 | fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO); | |
357 | ||
358 | xexit (help ? 0 : 1); | |
359 | } | |
360 | ||
361 | static void | |
362 | ranlib_usage (int help) | |
363 | { | |
364 | FILE *s; | |
365 | ||
366 | s = help ? stdout : stderr; | |
367 | ||
368 | /* xgettext:c-format */ | |
369 | fprintf (s, _("Usage: %s [options] archive\n"), program_name); | |
370 | fprintf (s, _(" Generate an index to speed access to archives\n")); | |
371 | fprintf (s, _(" The options are:\n\ | |
372 | @<file> Read options from <file>\n")); | |
373 | #if BFD_SUPPORTS_PLUGINS | |
374 | fprintf (s, _("\ | |
375 | --plugin <name> Load the specified plugin\n")); | |
376 | #endif | |
377 | if (DEFAULT_AR_DETERMINISTIC) | |
378 | fprintf (s, _("\ | |
379 | -D Use zero for symbol map timestamp (default)\n\ | |
380 | -U Use an actual symbol map timestamp\n")); | |
381 | else | |
382 | fprintf (s, _("\ | |
383 | -D Use zero for symbol map timestamp\n\ | |
384 | -U Use actual symbol map timestamp (default)\n")); | |
385 | fprintf (s, _("\ | |
386 | -t Update the archive's symbol map timestamp\n\ | |
387 | -h --help Print this help message\n\ | |
388 | -v --version Print version information\n")); | |
389 | ||
390 | list_supported_targets (program_name, s); | |
391 | ||
392 | if (REPORT_BUGS_TO[0] && help) | |
393 | fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO); | |
394 | ||
395 | xexit (help ? 0 : 1); | |
396 | } | |
397 | ||
398 | /* Normalize a file name specified on the command line into a file | |
399 | name which we will use in an archive. */ | |
400 | ||
401 | static const char * | |
402 | normalize (const char *file, bfd *abfd) | |
403 | { | |
404 | const char *filename; | |
405 | ||
406 | if (full_pathname) | |
407 | return file; | |
408 | ||
409 | filename = lbasename (file); | |
410 | ||
411 | if (ar_truncate | |
412 | && abfd != NULL | |
413 | && strlen (filename) > abfd->xvec->ar_max_namelen) | |
414 | { | |
415 | char *s; | |
416 | ||
417 | /* Space leak. */ | |
418 | s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1); | |
419 | memcpy (s, filename, abfd->xvec->ar_max_namelen); | |
420 | s[abfd->xvec->ar_max_namelen] = '\0'; | |
421 | filename = s; | |
422 | } | |
423 | ||
424 | return filename; | |
425 | } | |
426 | ||
427 | /* Remove any output file. This is only called via xatexit. */ | |
428 | ||
429 | static char *output_filename = NULL; | |
430 | static FILE *output_file = NULL; | |
431 | ||
432 | static void | |
433 | remove_output (void) | |
434 | { | |
435 | if (output_filename != NULL) | |
436 | { | |
437 | if (output_file != NULL) | |
438 | fclose (output_file); | |
439 | unlink_if_ordinary (output_filename); | |
440 | free (output_filename); | |
441 | output_filename = NULL; | |
442 | } | |
443 | } | |
444 | ||
445 | static char ** | |
446 | decode_options (int argc, char **argv) | |
447 | { | |
448 | int c; | |
449 | ||
450 | /* Convert old-style ar call by exploding option element and rearranging | |
451 | options accordingly. */ | |
452 | ||
453 | restart: | |
454 | if (argc > 1 && argv[1][0] != '-') | |
455 | { | |
456 | int new_argc; /* argc value for rearranged arguments */ | |
457 | char **new_argv; /* argv value for rearranged arguments */ | |
458 | char *const *in; /* cursor into original argv */ | |
459 | char **out; /* cursor into rearranged argv */ | |
460 | const char *letter; /* cursor into old option letters */ | |
461 | char buffer[3]; /* constructed option buffer */ | |
462 | ||
463 | /* Initialize a constructed option. */ | |
464 | ||
465 | buffer[0] = '-'; | |
466 | buffer[2] = '\0'; | |
467 | ||
468 | /* Allocate a new argument array, and copy program name in it. */ | |
469 | ||
470 | new_argc = argc - 1 + strlen (argv[1]); | |
471 | new_argv = xmalloc ((new_argc + 1) * sizeof (*argv)); | |
472 | in = argv; | |
473 | out = new_argv; | |
474 | *out++ = *in++; | |
475 | ||
476 | /* Copy each old letter option as a separate option. */ | |
477 | ||
478 | for (letter = *in++; *letter; letter++) | |
479 | { | |
480 | buffer[1] = *letter; | |
481 | *out++ = xstrdup (buffer); | |
482 | } | |
483 | ||
484 | /* Copy all remaining options. */ | |
485 | ||
486 | while (in < argv + argc) | |
487 | *out++ = *in++; | |
488 | *out = NULL; | |
489 | ||
490 | /* Replace the old option list by the new one. */ | |
491 | ||
492 | argc = new_argc; | |
493 | argv = new_argv; | |
494 | } | |
495 | ||
496 | while ((c = getopt_long (argc, argv, "hdmpqrtxl:coOVsSuvabiMNfPTDU", | |
497 | long_options, NULL)) != EOF) | |
498 | { | |
499 | switch (c) | |
500 | { | |
501 | case 'd': | |
502 | case 'm': | |
503 | case 'p': | |
504 | case 'q': | |
505 | case 'r': | |
506 | case 't': | |
507 | case 'x': | |
508 | if (operation != none) | |
509 | fatal (_("two different operation options specified")); | |
510 | break; | |
511 | } | |
512 | ||
513 | switch (c) | |
514 | { | |
515 | case 'h': | |
516 | show_help = 1; | |
517 | break; | |
518 | case 'd': | |
519 | operation = del; | |
520 | operation_alters_arch = true; | |
521 | break; | |
522 | case 'm': | |
523 | operation = move; | |
524 | operation_alters_arch = true; | |
525 | break; | |
526 | case 'p': | |
527 | operation = print_files; | |
528 | break; | |
529 | case 'q': | |
530 | operation = quick_append; | |
531 | operation_alters_arch = true; | |
532 | break; | |
533 | case 'r': | |
534 | operation = replace; | |
535 | operation_alters_arch = true; | |
536 | break; | |
537 | case 't': | |
538 | operation = print_table; | |
539 | break; | |
540 | case 'x': | |
541 | operation = extract; | |
542 | break; | |
543 | case 'l': | |
544 | if (libdeps != NULL) | |
545 | fatal (_("libdeps specified more than once")); | |
546 | libdeps = optarg; | |
547 | break; | |
548 | case 'c': | |
549 | silent_create = 1; | |
550 | break; | |
551 | case 'o': | |
552 | preserve_dates = 1; | |
553 | break; | |
554 | case 'O': | |
555 | display_offsets = 1; | |
556 | break; | |
557 | case 'V': | |
558 | show_version = true; | |
559 | break; | |
560 | case 's': | |
561 | write_armap = 1; | |
562 | break; | |
563 | case 'S': | |
564 | write_armap = -1; | |
565 | break; | |
566 | case 'u': | |
567 | newer_only = 1; | |
568 | break; | |
569 | case 'v': | |
570 | verbose = 1; | |
571 | break; | |
572 | case 'a': | |
573 | postype = pos_after; | |
574 | break; | |
575 | case 'b': | |
576 | postype = pos_before; | |
577 | break; | |
578 | case 'i': | |
579 | postype = pos_before; | |
580 | break; | |
581 | case 'M': | |
582 | mri_mode = 1; | |
583 | break; | |
584 | case 'N': | |
585 | counted_name_mode = true; | |
586 | break; | |
587 | case 'f': | |
588 | ar_truncate = true; | |
589 | break; | |
590 | case 'P': | |
591 | full_pathname = true; | |
592 | break; | |
593 | case 'T': | |
594 | make_thin_archive = true; | |
595 | break; | |
596 | case 'D': | |
597 | deterministic = true; | |
598 | break; | |
599 | case 'U': | |
600 | deterministic = false; | |
601 | break; | |
602 | case OPTION_PLUGIN: | |
603 | #if BFD_SUPPORTS_PLUGINS | |
604 | bfd_plugin_set_plugin (optarg); | |
605 | #else | |
606 | fprintf (stderr, _("sorry - this program has been built without plugin support\n")); | |
607 | xexit (1); | |
608 | #endif | |
609 | break; | |
610 | case OPTION_TARGET: | |
611 | target = optarg; | |
612 | break; | |
613 | case OPTION_OUTPUT: | |
614 | output_dir = optarg; | |
615 | break; | |
616 | case 0: /* A long option that just sets a flag. */ | |
617 | break; | |
618 | default: | |
619 | usage (0); | |
620 | } | |
621 | } | |
622 | ||
623 | /* PR 13256: Allow for the possibility that the first command line option | |
624 | started with a dash (eg --plugin) but then the following option(s) are | |
625 | old style, non-dash-prefixed versions. */ | |
626 | if (operation == none && write_armap != 1 && !mri_mode | |
627 | && optind > 0 && optind < argc) | |
628 | { | |
629 | argv += (optind - 1); | |
630 | argc -= (optind - 1); | |
631 | optind = 0; | |
632 | goto restart; | |
633 | } | |
634 | ||
635 | return &argv[optind]; | |
636 | } | |
637 | ||
638 | /* If neither -D nor -U was specified explicitly, | |
639 | then use the configured default. */ | |
640 | static void | |
641 | default_deterministic (void) | |
642 | { | |
643 | if (deterministic < 0) | |
644 | deterministic = DEFAULT_AR_DETERMINISTIC; | |
645 | } | |
646 | ||
647 | static void | |
648 | ranlib_main (int argc, char **argv) | |
649 | { | |
650 | int arg_index, status = 0; | |
651 | bool touch = false; | |
652 | int c; | |
653 | ||
654 | while ((c = getopt_long (argc, argv, "DhHUvVt", long_options, NULL)) != EOF) | |
655 | { | |
656 | switch (c) | |
657 | { | |
658 | case 'D': | |
659 | deterministic = true; | |
660 | break; | |
661 | case 'U': | |
662 | deterministic = false; | |
663 | break; | |
664 | case 'h': | |
665 | case 'H': | |
666 | show_help = 1; | |
667 | break; | |
668 | case 't': | |
669 | touch = true; | |
670 | break; | |
671 | case 'v': | |
672 | case 'V': | |
673 | show_version = 1; | |
674 | break; | |
675 | ||
676 | /* PR binutils/13493: Support plugins. */ | |
677 | case OPTION_PLUGIN: | |
678 | #if BFD_SUPPORTS_PLUGINS | |
679 | bfd_plugin_set_plugin (optarg); | |
680 | #else | |
681 | fprintf (stderr, _("sorry - this program has been built without plugin support\n")); | |
682 | xexit (1); | |
683 | #endif | |
684 | break; | |
685 | } | |
686 | } | |
687 | ||
688 | if (argc < 2) | |
689 | ranlib_usage (0); | |
690 | ||
691 | if (show_help) | |
692 | ranlib_usage (1); | |
693 | ||
694 | if (show_version) | |
695 | print_version ("ranlib"); | |
696 | ||
697 | default_deterministic (); | |
698 | ||
699 | arg_index = optind; | |
700 | ||
701 | while (arg_index < argc) | |
702 | { | |
703 | if (! touch) | |
704 | status |= ranlib_only (argv[arg_index]); | |
705 | else | |
706 | status |= ranlib_touch (argv[arg_index]); | |
707 | ++arg_index; | |
708 | } | |
709 | ||
710 | xexit (status); | |
711 | } | |
712 | ||
713 | int main (int, char **); | |
714 | ||
715 | int | |
716 | main (int argc, char **argv) | |
717 | { | |
718 | int arg_index; | |
719 | char **files; | |
720 | int file_count; | |
721 | char *inarch_filename; | |
722 | int i; | |
723 | ||
724 | #ifdef HAVE_LC_MESSAGES | |
725 | setlocale (LC_MESSAGES, ""); | |
726 | #endif | |
727 | setlocale (LC_CTYPE, ""); | |
728 | bindtextdomain (PACKAGE, LOCALEDIR); | |
729 | textdomain (PACKAGE); | |
730 | ||
731 | program_name = argv[0]; | |
732 | xmalloc_set_program_name (program_name); | |
733 | bfd_set_error_program_name (program_name); | |
734 | #if BFD_SUPPORTS_PLUGINS | |
735 | bfd_plugin_set_program_name (program_name); | |
736 | #endif | |
737 | ||
738 | expandargv (&argc, &argv); | |
739 | ||
740 | #ifndef is_ranlib | |
741 | if (is_ranlib < 0) | |
742 | { | |
743 | size_t l = strlen (program_name); | |
744 | ||
745 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
746 | /* Drop the .exe suffix, if any. */ | |
747 | if (l > 4 && FILENAME_CMP (program_name + l - 4, ".exe") == 0) | |
748 | { | |
749 | l -= 4; | |
750 | program_name[l] = '\0'; | |
751 | } | |
752 | #endif | |
753 | is_ranlib = (l >= 6 && | |
754 | FILENAME_CMP (program_name + l - 6, "ranlib") == 0); | |
755 | } | |
756 | #endif | |
757 | ||
758 | if (bfd_init () != BFD_INIT_MAGIC) | |
759 | fatal (_("fatal error: libbfd ABI mismatch")); | |
760 | set_default_bfd_target (); | |
761 | ||
762 | xatexit (remove_output); | |
763 | ||
764 | for (i = 1; i < argc; i++) | |
765 | if (! ar_emul_parse_arg (argv[i])) | |
766 | break; | |
767 | argv += (i - 1); | |
768 | argc -= (i - 1); | |
769 | ||
770 | if (is_ranlib) | |
771 | ranlib_main (argc, argv); | |
772 | ||
773 | if (argc < 2) | |
774 | usage (0); | |
775 | ||
776 | argv = decode_options (argc, argv); | |
777 | ||
778 | if (show_help) | |
779 | usage (1); | |
780 | ||
781 | if (show_version) | |
782 | print_version ("ar"); | |
783 | ||
784 | arg_index = 0; | |
785 | ||
786 | if (mri_mode) | |
787 | { | |
788 | default_deterministic (); | |
789 | mri_emul (); | |
790 | } | |
791 | else | |
792 | { | |
793 | bfd *arch; | |
794 | ||
795 | /* Fail if no files are specified on the command line. | |
796 | (But not for MRI mode which allows for reading arguments | |
797 | and filenames from stdin). */ | |
798 | if (argv[arg_index] == NULL) | |
799 | usage (0); | |
800 | ||
801 | /* We don't use do_quick_append any more. Too many systems | |
802 | expect ar to always rebuild the symbol table even when q is | |
803 | used. */ | |
804 | ||
805 | /* We can't write an armap when using ar q, so just do ar r | |
806 | instead. */ | |
807 | if (operation == quick_append && write_armap) | |
808 | operation = replace; | |
809 | ||
810 | if ((operation == none || operation == print_table) | |
811 | && write_armap == 1) | |
812 | xexit (ranlib_only (argv[arg_index])); | |
813 | ||
814 | if (operation == none) | |
815 | fatal (_("no operation specified")); | |
816 | ||
817 | if (newer_only && operation != replace) | |
818 | fatal (_("`u' is only meaningful with the `r' option.")); | |
819 | ||
820 | if (newer_only && deterministic > 0) | |
821 | non_fatal (_("`u' is not meaningful with the `D' option - replacement will always happen.")); | |
822 | ||
823 | if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC) | |
824 | non_fatal (_("\ | |
825 | `u' modifier ignored since `D' is the default (see `U')")); | |
826 | ||
827 | default_deterministic (); | |
828 | ||
829 | if (postype != pos_default) | |
830 | { | |
831 | posname = argv[arg_index++]; | |
832 | if (posname == NULL) | |
833 | fatal (_("missing position arg.")); | |
834 | } | |
835 | ||
836 | if (counted_name_mode) | |
837 | { | |
838 | if (operation != extract && operation != del) | |
839 | fatal (_("`N' is only meaningful with the `x' and `d' options.")); | |
840 | if (argv[arg_index] == NULL) | |
841 | fatal (_("`N' missing value.")); | |
842 | counted_name_counter = atoi (argv[arg_index++]); | |
843 | if (counted_name_counter <= 0) | |
844 | fatal (_("Value for `N' must be positive.")); | |
845 | } | |
846 | ||
847 | inarch_filename = argv[arg_index++]; | |
848 | if (inarch_filename == NULL) | |
849 | usage (0); | |
850 | ||
851 | for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++) | |
852 | continue; | |
853 | ||
854 | files = (file_count > 0) ? argv + arg_index : NULL; | |
855 | ||
856 | arch = open_inarch (inarch_filename, | |
857 | files == NULL ? (char *) NULL : files[0]); | |
858 | ||
859 | if (operation == extract && bfd_is_thin_archive (arch)) | |
860 | fatal (_("`x' cannot be used on thin archives.")); | |
861 | ||
862 | if (libdeps != NULL) | |
863 | { | |
864 | char **new_files; | |
865 | bfd_size_type reclen = strlen (libdeps) + 1; | |
866 | ||
867 | /* Create a bfd to contain the dependencies. | |
868 | It inherits its type from arch, but we must set the type to | |
869 | "binary" otherwise bfd_write() will fail. After writing, we | |
870 | must set the type back to default otherwise adding it to the | |
871 | archive will fail. */ | |
872 | libdeps_bfd = bfd_create (LIBDEPS, arch); | |
873 | if (libdeps_bfd == NULL) | |
874 | fatal (_("Cannot create libdeps record.")); | |
875 | ||
876 | if (bfd_find_target ("binary", libdeps_bfd) == NULL) | |
877 | fatal (_("Cannot set libdeps record type to binary.")); | |
878 | ||
879 | if (! bfd_set_format (libdeps_bfd, bfd_object)) | |
880 | fatal (_("Cannot set libdeps object format.")); | |
881 | ||
882 | if (! bfd_make_writable (libdeps_bfd)) | |
883 | fatal (_("Cannot make libdeps object writable.")); | |
884 | ||
885 | if (bfd_write (libdeps, reclen, libdeps_bfd) != reclen) | |
886 | fatal (_("Cannot write libdeps record.")); | |
887 | ||
888 | if (! bfd_make_readable (libdeps_bfd)) | |
889 | fatal (_("Cannot make libdeps object readable.")); | |
890 | ||
891 | if (bfd_find_target (plugin_target, libdeps_bfd) == NULL) | |
892 | fatal (_("Cannot reset libdeps record type.")); | |
893 | ||
894 | /* Insert our libdeps record in 2nd slot of the list of files | |
895 | being operated on. We shouldn't use 1st slot, but we want | |
896 | to avoid having to search all the way to the end of an | |
897 | archive with a large number of members at link time. */ | |
898 | new_files = xmalloc ((file_count + 2) * sizeof (*new_files)); | |
899 | if (file_count) | |
900 | { | |
901 | new_files[0] = files[0]; | |
902 | memcpy (new_files + 1, files, file_count * sizeof (*files)); | |
903 | } | |
904 | new_files[file_count != 0] = LIBDEPS; | |
905 | file_count++; | |
906 | new_files[file_count] = NULL; | |
907 | files = new_files; | |
908 | } | |
909 | ||
910 | switch (operation) | |
911 | { | |
912 | case print_table: | |
913 | map_over_members (arch, print_descr, files, file_count); | |
914 | break; | |
915 | ||
916 | case print_files: | |
917 | map_over_members (arch, print_contents, files, file_count); | |
918 | break; | |
919 | ||
920 | case extract: | |
921 | map_over_members (arch, extract_file, files, file_count); | |
922 | break; | |
923 | ||
924 | case del: | |
925 | if (files != NULL) | |
926 | delete_members (arch, files); | |
927 | else | |
928 | { | |
929 | free (output_filename); | |
930 | output_filename = NULL; | |
931 | } | |
932 | break; | |
933 | ||
934 | case move: | |
935 | /* PR 12558: Creating and moving at the same time does | |
936 | not make sense. Just create the archive instead. */ | |
937 | if (! silent_create) | |
938 | { | |
939 | if (files != NULL) | |
940 | move_members (arch, files); | |
941 | else | |
942 | { | |
943 | free (output_filename); | |
944 | output_filename = NULL; | |
945 | } | |
946 | break; | |
947 | } | |
948 | /* Fall through. */ | |
949 | ||
950 | case replace: | |
951 | case quick_append: | |
952 | if (files != NULL || write_armap > 0) | |
953 | replace_members (arch, files, operation == quick_append); | |
954 | else | |
955 | { | |
956 | free (output_filename); | |
957 | output_filename = NULL; | |
958 | } | |
959 | break; | |
960 | ||
961 | /* Shouldn't happen! */ | |
962 | default: | |
963 | /* xgettext:c-format */ | |
964 | fatal (_("internal error -- this option not implemented")); | |
965 | } | |
966 | } | |
967 | ||
968 | xexit (0); | |
969 | return 0; | |
970 | } | |
971 | ||
972 | bfd * | |
973 | open_inarch (const char *archive_filename, const char *file) | |
974 | { | |
975 | bfd **last_one; | |
976 | bfd *next_one; | |
977 | struct stat sbuf; | |
978 | bfd *arch; | |
979 | char **matching; | |
980 | ||
981 | bfd_set_error (bfd_error_no_error); | |
982 | ||
983 | if (target == NULL) | |
984 | target = plugin_target; | |
985 | ||
986 | if (stat (archive_filename, &sbuf) != 0) | |
987 | { | |
988 | #if !defined(__GO32__) || defined(__DJGPP__) | |
989 | ||
990 | /* FIXME: I don't understand why this fragment was ifndef'ed | |
991 | away for __GO32__; perhaps it was in the days of DJGPP v1.x. | |
992 | stat() works just fine in v2.x, so I think this should be | |
993 | removed. For now, I enable it for DJGPP v2. -- EZ. */ | |
994 | ||
995 | /* KLUDGE ALERT! Temporary fix until I figger why | |
996 | stat() is wrong ... think it's buried in GO32's IDT - Jax */ | |
997 | if (errno != ENOENT) | |
998 | bfd_fatal (archive_filename); | |
999 | #endif | |
1000 | ||
1001 | if (!operation_alters_arch) | |
1002 | { | |
1003 | fprintf (stderr, "%s: ", program_name); | |
1004 | perror (archive_filename); | |
1005 | maybequit (); | |
1006 | return NULL; | |
1007 | } | |
1008 | ||
1009 | /* If the target isn't set, try to figure out the target to use | |
1010 | for the archive from the first object on the list. */ | |
1011 | if (target == NULL && file != NULL) | |
1012 | { | |
1013 | bfd *obj; | |
1014 | ||
1015 | obj = bfd_openr (file, target); | |
1016 | if (obj != NULL) | |
1017 | { | |
1018 | if (bfd_check_format (obj, bfd_object) | |
1019 | && bfd_target_supports_archives (obj)) | |
1020 | target = bfd_get_target (obj); | |
1021 | (void) bfd_close (obj); | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | /* If we die creating a new archive, don't leave it around. */ | |
1026 | output_filename = xstrdup (archive_filename); | |
1027 | ||
1028 | /* Create an empty archive. */ | |
1029 | arch = bfd_openw (archive_filename, target); | |
1030 | if (arch == NULL | |
1031 | || ! bfd_set_format (arch, bfd_archive) | |
1032 | || ! bfd_close (arch)) | |
1033 | bfd_fatal (archive_filename); | |
1034 | else if (!silent_create) | |
1035 | non_fatal (_("creating %s"), archive_filename); | |
1036 | } | |
1037 | ||
1038 | arch = bfd_openr (archive_filename, target); | |
1039 | if (arch == NULL) | |
1040 | { | |
1041 | bloser: | |
1042 | bfd_fatal (archive_filename); | |
1043 | } | |
1044 | ||
1045 | if (! bfd_check_format_matches (arch, bfd_archive, &matching)) | |
1046 | { | |
1047 | bfd_nonfatal (archive_filename); | |
1048 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
1049 | list_matching_formats (matching); | |
1050 | xexit (1); | |
1051 | } | |
1052 | ||
1053 | if ((operation == replace || operation == quick_append) | |
1054 | && bfd_openr_next_archived_file (arch, NULL) != NULL) | |
1055 | { | |
1056 | /* PR 15140: Catch attempts to convert a normal | |
1057 | archive into a thin archive or vice versa. */ | |
1058 | if (make_thin_archive && ! bfd_is_thin_archive (arch)) | |
1059 | { | |
1060 | fatal (_("Cannot convert existing library %s to thin format"), | |
1061 | bfd_get_filename (arch)); | |
1062 | goto bloser; | |
1063 | } | |
1064 | else if (! make_thin_archive && bfd_is_thin_archive (arch)) | |
1065 | { | |
1066 | fatal (_("Cannot convert existing thin library %s to normal format"), | |
1067 | bfd_get_filename (arch)); | |
1068 | goto bloser; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | last_one = &(arch->archive_next); | |
1073 | /* Read all the contents right away, regardless. */ | |
1074 | for (next_one = bfd_openr_next_archived_file (arch, NULL); | |
1075 | next_one; | |
1076 | next_one = bfd_openr_next_archived_file (arch, next_one)) | |
1077 | { | |
1078 | *last_one = next_one; | |
1079 | last_one = &next_one->archive_next; | |
1080 | } | |
1081 | *last_one = (bfd *) NULL; | |
1082 | if (bfd_get_error () != bfd_error_no_more_archived_files) | |
1083 | goto bloser; | |
1084 | return arch; | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | print_contents (bfd *abfd) | |
1089 | { | |
1090 | bfd_size_type ncopied = 0; | |
1091 | bfd_size_type size; | |
1092 | char *cbuf = (char *) xmalloc (BUFSIZE); | |
1093 | struct stat buf; | |
1094 | ||
1095 | if (bfd_stat_arch_elt (abfd, &buf) != 0) | |
1096 | /* xgettext:c-format */ | |
1097 | fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); | |
1098 | ||
1099 | if (verbose) | |
1100 | printf ("\n<%s>\n\n", bfd_get_filename (abfd)); | |
1101 | ||
1102 | if (bfd_seek (abfd, 0, SEEK_SET) != 0) | |
1103 | bfd_fatal (bfd_get_filename (abfd)); | |
1104 | ||
1105 | size = buf.st_size; | |
1106 | while (ncopied < size) | |
1107 | { | |
1108 | bfd_size_type nread; | |
1109 | bfd_size_type tocopy = size - ncopied; | |
1110 | ||
1111 | if (tocopy > BUFSIZE) | |
1112 | tocopy = BUFSIZE; | |
1113 | ||
1114 | nread = bfd_read (cbuf, tocopy, abfd); | |
1115 | if (nread != tocopy) | |
1116 | /* xgettext:c-format */ | |
1117 | fatal (_("%s is not a valid archive"), | |
1118 | bfd_get_filename (abfd->my_archive)); | |
1119 | ||
1120 | /* fwrite in mingw32 may return int instead of bfd_size_type. Cast the | |
1121 | return value to bfd_size_type to avoid comparison between signed and | |
1122 | unsigned values. */ | |
1123 | if ((bfd_size_type) fwrite (cbuf, 1, nread, stdout) != nread) | |
1124 | fatal ("stdout: %s", strerror (errno)); | |
1125 | ncopied += tocopy; | |
1126 | } | |
1127 | free (cbuf); | |
1128 | } | |
1129 | ||
1130 | ||
1131 | static FILE * open_output_file (bfd *) ATTRIBUTE_RETURNS_NONNULL; | |
1132 | ||
1133 | static FILE * | |
1134 | open_output_file (bfd * abfd) | |
1135 | { | |
1136 | char *alloc = xstrdup (bfd_get_filename (abfd)); | |
1137 | ||
1138 | output_filename = alloc; | |
1139 | ||
1140 | /* PR binutils/17533: Do not allow directory traversal | |
1141 | outside of the current directory tree - unless the | |
1142 | user has explicitly specified an output directory. */ | |
1143 | if (! is_valid_archive_path (output_filename)) | |
1144 | { | |
1145 | char * base = (char *) lbasename (output_filename); | |
1146 | ||
1147 | non_fatal (_("illegal output pathname for archive member: %s, using '%s' instead"), | |
1148 | output_filename, base); | |
1149 | output_filename = xstrdup (base); | |
1150 | free (alloc); | |
1151 | alloc = output_filename; | |
1152 | } | |
1153 | ||
1154 | if (output_dir) | |
1155 | { | |
1156 | size_t len = strlen (output_dir); | |
1157 | ||
1158 | if (len > 0) | |
1159 | { | |
1160 | if (IS_DIR_SEPARATOR (output_dir [len - 1])) | |
1161 | output_filename = concat (output_dir, output_filename, NULL); | |
1162 | else | |
1163 | output_filename = concat (output_dir, "/", output_filename, NULL); | |
1164 | } | |
1165 | free (alloc); | |
1166 | } | |
1167 | ||
1168 | if (verbose) | |
1169 | printf ("x - %s\n", output_filename); | |
1170 | ||
1171 | FILE * ostream = fopen (output_filename, FOPEN_WB); | |
1172 | if (ostream == NULL) | |
1173 | { | |
1174 | perror (output_filename); | |
1175 | xexit (1); | |
1176 | } | |
1177 | ||
1178 | return ostream; | |
1179 | } | |
1180 | ||
1181 | /* Extract a member of the archive into its own file. | |
1182 | ||
1183 | We defer opening the new file until after we have read a BUFSIZ chunk of the | |
1184 | old one, since we know we have just read the archive header for the old | |
1185 | one. Since most members are shorter than BUFSIZ, this means we will read | |
1186 | the old header, read the old data, write a new inode for the new file, and | |
1187 | write the new data, and be done. This 'optimization' is what comes from | |
1188 | sitting next to a bare disk and hearing it every time it seeks. -- Gnu | |
1189 | Gilmore */ | |
1190 | ||
1191 | void | |
1192 | extract_file (bfd *abfd) | |
1193 | { | |
1194 | bfd_size_type size; | |
1195 | struct stat buf; | |
1196 | ||
1197 | if (preserve_dates) | |
1198 | memset (&buf, 0, sizeof (buf)); | |
1199 | ||
1200 | if (bfd_stat_arch_elt (abfd, &buf) != 0) | |
1201 | /* xgettext:c-format */ | |
1202 | fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); | |
1203 | size = buf.st_size; | |
1204 | ||
1205 | if (bfd_seek (abfd, 0, SEEK_SET) != 0) | |
1206 | bfd_fatal (bfd_get_filename (abfd)); | |
1207 | ||
1208 | output_file = NULL; | |
1209 | if (size == 0) | |
1210 | { | |
1211 | output_file = open_output_file (abfd); | |
1212 | } | |
1213 | else | |
1214 | { | |
1215 | bfd_size_type ncopied = 0; | |
1216 | char *cbuf = (char *) xmalloc (BUFSIZE); | |
1217 | ||
1218 | while (ncopied < size) | |
1219 | { | |
1220 | bfd_size_type nread, tocopy; | |
1221 | ||
1222 | tocopy = size - ncopied; | |
1223 | if (tocopy > BUFSIZE) | |
1224 | tocopy = BUFSIZE; | |
1225 | ||
1226 | nread = bfd_read (cbuf, tocopy, abfd); | |
1227 | if (nread != tocopy) | |
1228 | /* xgettext:c-format */ | |
1229 | fatal (_("%s is not a valid archive"), | |
1230 | bfd_get_filename (abfd->my_archive)); | |
1231 | ||
1232 | /* See comment above; this saves disk arm motion. */ | |
1233 | if (output_file == NULL) | |
1234 | output_file = open_output_file (abfd); | |
1235 | ||
1236 | /* fwrite in mingw32 may return int instead of bfd_size_type. Cast | |
1237 | the return value to bfd_size_type to avoid comparison between | |
1238 | signed and unsigned values. */ | |
1239 | if ((bfd_size_type) fwrite (cbuf, 1, nread, output_file) != nread) | |
1240 | fatal ("%s: %s", output_filename, strerror (errno)); | |
1241 | ||
1242 | ncopied += tocopy; | |
1243 | } | |
1244 | ||
1245 | free (cbuf); | |
1246 | } | |
1247 | ||
1248 | fclose (output_file); | |
1249 | ||
1250 | output_file = NULL; | |
1251 | ||
1252 | chmod (output_filename, buf.st_mode); | |
1253 | ||
1254 | if (preserve_dates) | |
1255 | { | |
1256 | /* Set access time to modification time. Only st_mtime is | |
1257 | initialized by bfd_stat_arch_elt. */ | |
1258 | buf.st_atime = buf.st_mtime; | |
1259 | set_times (output_filename, &buf); | |
1260 | } | |
1261 | ||
1262 | free (output_filename); | |
1263 | output_filename = NULL; | |
1264 | } | |
1265 | ||
1266 | static void | |
1267 | write_archive (bfd *iarch) | |
1268 | { | |
1269 | bfd *obfd; | |
1270 | const char *old_name; | |
1271 | char *new_name; | |
1272 | bfd *contents_head = iarch->archive_next; | |
1273 | int tmpfd = -1; | |
1274 | ||
1275 | old_name = bfd_get_filename (iarch); | |
1276 | new_name = make_tempname (old_name, &tmpfd); | |
1277 | ||
1278 | if (new_name == NULL) | |
1279 | bfd_fatal (_("could not create temporary file whilst writing archive")); | |
1280 | ||
1281 | free (output_filename); | |
1282 | output_filename = new_name; | |
1283 | ||
1284 | obfd = bfd_fdopenw (new_name, bfd_get_target (iarch), tmpfd); | |
1285 | ||
1286 | if (obfd == NULL) | |
1287 | { | |
1288 | close (tmpfd); | |
1289 | bfd_fatal (old_name); | |
1290 | } | |
1291 | ||
1292 | bfd_set_format (obfd, bfd_archive); | |
1293 | ||
1294 | /* Request writing the archive symbol table unless we've | |
1295 | been explicitly requested not to. */ | |
1296 | obfd->has_armap = write_armap >= 0; | |
1297 | ||
1298 | if (ar_truncate) | |
1299 | { | |
1300 | /* This should really use bfd_set_file_flags, but that rejects | |
1301 | archives. */ | |
1302 | obfd->flags |= BFD_TRADITIONAL_FORMAT; | |
1303 | } | |
1304 | ||
1305 | if (deterministic) | |
1306 | obfd->flags |= BFD_DETERMINISTIC_OUTPUT; | |
1307 | ||
1308 | if (full_pathname) | |
1309 | obfd->flags |= BFD_ARCHIVE_FULL_PATH; | |
1310 | ||
1311 | if (make_thin_archive || bfd_is_thin_archive (iarch)) | |
1312 | bfd_set_thin_archive (obfd, true); | |
1313 | ||
1314 | if (!bfd_set_archive_head (obfd, contents_head)) | |
1315 | bfd_fatal (old_name); | |
1316 | ||
1317 | tmpfd = dup (tmpfd); | |
1318 | if (!bfd_close (obfd)) | |
1319 | bfd_fatal (old_name); | |
1320 | ||
1321 | output_filename = NULL; | |
1322 | old_name = xstrdup (old_name); | |
1323 | /* We don't care if this fails; we might be creating the archive. */ | |
1324 | bfd_close (iarch); | |
1325 | ||
1326 | int ret = smart_rename (new_name, old_name, tmpfd, NULL, false); | |
1327 | free ((char *) old_name); | |
1328 | free (new_name); | |
1329 | if (ret != 0) | |
1330 | xexit (1); | |
1331 | } | |
1332 | ||
1333 | /* Return a pointer to the pointer to the entry which should be rplacd'd | |
1334 | into when altering. DEFAULT_POS should be how to interpret pos_default, | |
1335 | and should be a pos value. */ | |
1336 | ||
1337 | static bfd ** | |
1338 | get_pos_bfd (bfd **contents, enum pos default_pos, const char *default_posname) | |
1339 | { | |
1340 | bfd **after_bfd = contents; | |
1341 | enum pos realpos; | |
1342 | const char *realposname; | |
1343 | ||
1344 | if (postype == pos_default) | |
1345 | { | |
1346 | realpos = default_pos; | |
1347 | realposname = default_posname; | |
1348 | } | |
1349 | else | |
1350 | { | |
1351 | realpos = postype; | |
1352 | realposname = posname; | |
1353 | } | |
1354 | ||
1355 | if (realpos == pos_end) | |
1356 | { | |
1357 | while (*after_bfd) | |
1358 | after_bfd = &((*after_bfd)->archive_next); | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | for (; *after_bfd; after_bfd = &(*after_bfd)->archive_next) | |
1363 | if (FILENAME_CMP (bfd_get_filename (*after_bfd), realposname) == 0) | |
1364 | { | |
1365 | if (realpos == pos_after) | |
1366 | after_bfd = &(*after_bfd)->archive_next; | |
1367 | break; | |
1368 | } | |
1369 | } | |
1370 | return after_bfd; | |
1371 | } | |
1372 | ||
1373 | static void | |
1374 | delete_members (bfd *arch, char **files_to_delete) | |
1375 | { | |
1376 | bfd **current_ptr_ptr; | |
1377 | bool found; | |
1378 | bool something_changed = false; | |
1379 | int match_count; | |
1380 | ||
1381 | for (; *files_to_delete != NULL; ++files_to_delete) | |
1382 | { | |
1383 | /* In a.out systems, the armap is optional. It's also called | |
1384 | __.SYMDEF. So if the user asked to delete it, we should remember | |
1385 | that fact. This isn't quite right for COFF systems (where | |
1386 | __.SYMDEF might be regular member), but it's very unlikely | |
1387 | to be a problem. FIXME */ | |
1388 | ||
1389 | if (!strcmp (*files_to_delete, "__.SYMDEF")) | |
1390 | { | |
1391 | arch->has_armap = false; | |
1392 | write_armap = -1; | |
1393 | continue; | |
1394 | } | |
1395 | ||
1396 | found = false; | |
1397 | match_count = 0; | |
1398 | current_ptr_ptr = &(arch->archive_next); | |
1399 | while (*current_ptr_ptr) | |
1400 | { | |
1401 | if (FILENAME_CMP (normalize (*files_to_delete, arch), | |
1402 | bfd_get_filename (*current_ptr_ptr)) == 0) | |
1403 | { | |
1404 | ++match_count; | |
1405 | if (counted_name_mode | |
1406 | && match_count != counted_name_counter) | |
1407 | { | |
1408 | /* Counting, and didn't match on count; go on to the | |
1409 | next one. */ | |
1410 | } | |
1411 | else | |
1412 | { | |
1413 | found = true; | |
1414 | something_changed = true; | |
1415 | if (verbose) | |
1416 | printf ("d - %s\n", | |
1417 | *files_to_delete); | |
1418 | *current_ptr_ptr = ((*current_ptr_ptr)->archive_next); | |
1419 | goto next_file; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | current_ptr_ptr = &((*current_ptr_ptr)->archive_next); | |
1424 | } | |
1425 | ||
1426 | if (verbose && !found) | |
1427 | { | |
1428 | /* xgettext:c-format */ | |
1429 | printf (_("No member named `%s'\n"), *files_to_delete); | |
1430 | } | |
1431 | next_file: | |
1432 | ; | |
1433 | } | |
1434 | ||
1435 | if (something_changed) | |
1436 | write_archive (arch); | |
1437 | else | |
1438 | { | |
1439 | free (output_filename); | |
1440 | output_filename = NULL; | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | ||
1445 | /* Reposition existing members within an archive */ | |
1446 | ||
1447 | static void | |
1448 | move_members (bfd *arch, char **files_to_move) | |
1449 | { | |
1450 | bfd **after_bfd; /* New entries go after this one */ | |
1451 | bfd **current_ptr_ptr; /* cdr pointer into contents */ | |
1452 | ||
1453 | for (; *files_to_move; ++files_to_move) | |
1454 | { | |
1455 | current_ptr_ptr = &(arch->archive_next); | |
1456 | while (*current_ptr_ptr) | |
1457 | { | |
1458 | bfd *current_ptr = *current_ptr_ptr; | |
1459 | if (FILENAME_CMP (normalize (*files_to_move, arch), | |
1460 | bfd_get_filename (current_ptr)) == 0) | |
1461 | { | |
1462 | /* Move this file to the end of the list - first cut from | |
1463 | where it is. */ | |
1464 | bfd *link_bfd; | |
1465 | *current_ptr_ptr = current_ptr->archive_next; | |
1466 | ||
1467 | /* Now glue to end */ | |
1468 | after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL); | |
1469 | link_bfd = *after_bfd; | |
1470 | *after_bfd = current_ptr; | |
1471 | current_ptr->archive_next = link_bfd; | |
1472 | ||
1473 | if (verbose) | |
1474 | printf ("m - %s\n", *files_to_move); | |
1475 | ||
1476 | goto next_file; | |
1477 | } | |
1478 | ||
1479 | current_ptr_ptr = &((*current_ptr_ptr)->archive_next); | |
1480 | } | |
1481 | /* xgettext:c-format */ | |
1482 | fatal (_("no entry %s in archive %s!"), *files_to_move, | |
1483 | bfd_get_filename (arch)); | |
1484 | ||
1485 | next_file:; | |
1486 | } | |
1487 | ||
1488 | write_archive (arch); | |
1489 | } | |
1490 | ||
1491 | /* Ought to default to replacing in place, but this is existing practice! */ | |
1492 | ||
1493 | static void | |
1494 | replace_members (bfd *arch, char **files_to_move, bool quick) | |
1495 | { | |
1496 | bool changed = false; | |
1497 | bfd **after_bfd; /* New entries go after this one. */ | |
1498 | bfd *current; | |
1499 | bfd **current_ptr; | |
1500 | ||
1501 | while (files_to_move && *files_to_move) | |
1502 | { | |
1503 | if (! quick) | |
1504 | { | |
1505 | current_ptr = &arch->archive_next; | |
1506 | while (*current_ptr) | |
1507 | { | |
1508 | current = *current_ptr; | |
1509 | ||
1510 | /* For compatibility with existing ar programs, we | |
1511 | permit the same file to be added multiple times. */ | |
1512 | if (FILENAME_CMP (normalize (*files_to_move, arch), | |
1513 | normalize (bfd_get_filename (current), arch)) == 0 | |
1514 | && current->arelt_data != NULL) | |
1515 | { | |
1516 | bool replaced; | |
1517 | ||
1518 | if (newer_only) | |
1519 | { | |
1520 | struct stat fsbuf, asbuf; | |
1521 | ||
1522 | if (stat (*files_to_move, &fsbuf) != 0) | |
1523 | { | |
1524 | if (errno != ENOENT) | |
1525 | bfd_fatal (*files_to_move); | |
1526 | goto next_file; | |
1527 | } | |
1528 | ||
1529 | if (bfd_stat_arch_elt (current, &asbuf) != 0) | |
1530 | /* xgettext:c-format */ | |
1531 | fatal (_("internal stat error on %s"), | |
1532 | bfd_get_filename (current)); | |
1533 | ||
1534 | if (fsbuf.st_mtime <= asbuf.st_mtime) | |
1535 | /* A note about deterministic timestamps: In an | |
1536 | archive created in a determistic manner the | |
1537 | individual elements will either have a timestamp | |
1538 | of 0 or SOURCE_DATE_EPOCH, depending upon the | |
1539 | method used. This will be the value retrieved | |
1540 | by bfd_stat_arch_elt(). | |
1541 | ||
1542 | The timestamp in fsbuf.st_mtime however will | |
1543 | definitely be greater than 0, and it is unlikely | |
1544 | to be less than SOURCE_DATE_EPOCH. (FIXME: | |
1545 | should we test for this case case and issue an | |
1546 | error message ?) | |
1547 | ||
1548 | So in either case fsbuf.st_mtime > asbuf.st_time | |
1549 | and hence the incoming file will replace the | |
1550 | current file. Which is what should be expected to | |
1551 | happen. Deterministic archives have no real sense | |
1552 | of the time/date when their elements were created, | |
1553 | and so any updates to the archive should always | |
1554 | result in replaced files. */ | |
1555 | goto next_file; | |
1556 | } | |
1557 | ||
1558 | after_bfd = get_pos_bfd (&arch->archive_next, pos_after, | |
1559 | bfd_get_filename (current)); | |
1560 | if (libdeps_bfd != NULL | |
1561 | && FILENAME_CMP (normalize (*files_to_move, arch), | |
1562 | LIBDEPS) == 0) | |
1563 | { | |
1564 | replaced = ar_emul_replace_bfd (after_bfd, libdeps_bfd, | |
1565 | verbose); | |
1566 | } | |
1567 | else | |
1568 | { | |
1569 | replaced = ar_emul_replace (after_bfd, *files_to_move, | |
1570 | target, verbose); | |
1571 | } | |
1572 | if (replaced) | |
1573 | { | |
1574 | /* Snip out this entry from the chain. */ | |
1575 | *current_ptr = (*current_ptr)->archive_next; | |
1576 | changed = true; | |
1577 | } | |
1578 | ||
1579 | goto next_file; | |
1580 | } | |
1581 | current_ptr = &(current->archive_next); | |
1582 | } | |
1583 | } | |
1584 | ||
1585 | /* Add to the end of the archive. */ | |
1586 | after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL); | |
1587 | ||
1588 | if (libdeps_bfd != NULL | |
1589 | && FILENAME_CMP (normalize (*files_to_move, arch), LIBDEPS) == 0) | |
1590 | { | |
1591 | changed |= ar_emul_append_bfd (after_bfd, libdeps_bfd, | |
1592 | verbose, make_thin_archive); | |
1593 | } | |
1594 | else | |
1595 | { | |
1596 | changed |= ar_emul_append (after_bfd, *files_to_move, target, | |
1597 | verbose, make_thin_archive); | |
1598 | } | |
1599 | ||
1600 | next_file:; | |
1601 | ||
1602 | files_to_move++; | |
1603 | } | |
1604 | ||
1605 | if (changed) | |
1606 | write_archive (arch); | |
1607 | else | |
1608 | { | |
1609 | free (output_filename); | |
1610 | output_filename = NULL; | |
1611 | } | |
1612 | } | |
1613 | ||
1614 | static int | |
1615 | ranlib_only (const char *archname) | |
1616 | { | |
1617 | bfd *arch; | |
1618 | ||
1619 | if (get_file_size (archname) < 1) | |
1620 | return 1; | |
1621 | write_armap = 1; | |
1622 | arch = open_inarch (archname, (char *) NULL); | |
1623 | if (arch == NULL) | |
1624 | xexit (1); | |
1625 | write_archive (arch); | |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | /* Update the timestamp of the symbol map of an archive. */ | |
1630 | ||
1631 | static int | |
1632 | ranlib_touch (const char *archname) | |
1633 | { | |
1634 | #ifdef __GO32__ | |
1635 | /* I don't think updating works on go32. */ | |
1636 | ranlib_only (archname); | |
1637 | #else | |
1638 | int f; | |
1639 | bfd *arch; | |
1640 | char **matching; | |
1641 | ||
1642 | if (get_file_size (archname) < 1) | |
1643 | return 1; | |
1644 | f = open (archname, O_RDWR | O_BINARY, 0); | |
1645 | if (f < 0) | |
1646 | { | |
1647 | bfd_set_error (bfd_error_system_call); | |
1648 | bfd_fatal (archname); | |
1649 | } | |
1650 | ||
1651 | arch = bfd_fdopenr (archname, (const char *) NULL, f); | |
1652 | if (arch == NULL) | |
1653 | bfd_fatal (archname); | |
1654 | if (! bfd_check_format_matches (arch, bfd_archive, &matching)) | |
1655 | { | |
1656 | bfd_nonfatal (archname); | |
1657 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
1658 | list_matching_formats (matching); | |
1659 | xexit (1); | |
1660 | } | |
1661 | ||
1662 | if (! bfd_has_map (arch)) | |
1663 | /* xgettext:c-format */ | |
1664 | fatal (_("%s: no archive map to update"), archname); | |
1665 | ||
1666 | if (deterministic) | |
1667 | arch->flags |= BFD_DETERMINISTIC_OUTPUT; | |
1668 | ||
1669 | bfd_update_armap_timestamp (arch); | |
1670 | ||
1671 | if (! bfd_close (arch)) | |
1672 | bfd_fatal (archname); | |
1673 | #endif | |
1674 | return 0; | |
1675 | } | |
1676 | ||
1677 | /* Things which are interesting to map over all or some of the files: */ | |
1678 | ||
1679 | static void | |
1680 | print_descr (bfd *abfd) | |
1681 | { | |
1682 | print_arelt_descr (stdout, abfd, verbose, display_offsets); | |
1683 | } |