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252b5132 RH |
1 | /* ar.c - Archive modify and extract. |
2 | Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 1999 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | \f | |
21 | /* | |
22 | Bugs: should use getopt the way tar does (complete w/optional -) and | |
23 | should have long options too. GNU ar used to check file against filesystem | |
24 | in quick_update and replace operations (would check mtime). Doesn't warn | |
25 | when name truncated. No way to specify pos_end. Error messages should be | |
26 | more consistant. | |
27 | */ | |
28 | #include "bfd.h" | |
29 | #include "libiberty.h" | |
30 | #include "progress.h" | |
31 | #include "bucomm.h" | |
32 | #include "aout/ar.h" | |
33 | #include "libbfd.h" | |
34 | #include "arsup.h" | |
35 | #include <sys/stat.h> | |
36 | ||
37 | #ifdef __GO32___ | |
38 | #define EXT_NAME_LEN 3 /* bufflen of addition to name if it's MS-DOS */ | |
39 | #else | |
40 | #define EXT_NAME_LEN 6 /* ditto for *NIX */ | |
41 | #endif | |
42 | ||
d84feeac ILT |
43 | /* We need to open files in binary modes on system where that makes a |
44 | difference. */ | |
45 | #ifndef O_BINARY | |
46 | #define O_BINARY 0 | |
47 | #endif | |
48 | ||
252b5132 RH |
49 | #define BUFSIZE 8192 |
50 | ||
51 | /* Kludge declaration from BFD! This is ugly! FIXME! XXX */ | |
52 | ||
53 | struct ar_hdr * | |
54 | bfd_special_undocumented_glue PARAMS ((bfd * abfd, const char *filename)); | |
55 | ||
56 | /* Static declarations */ | |
57 | ||
58 | static void | |
59 | mri_emul PARAMS ((void)); | |
60 | ||
61 | static const char * | |
62 | normalize PARAMS ((const char *, bfd *)); | |
63 | ||
64 | static void | |
65 | remove_output PARAMS ((void)); | |
66 | ||
67 | static void | |
68 | map_over_members PARAMS ((bfd *, void (*)(bfd *), char **, int)); | |
69 | ||
70 | static void | |
71 | print_contents PARAMS ((bfd * member)); | |
72 | ||
73 | static void | |
74 | delete_members PARAMS ((bfd *, char **files_to_delete)); | |
75 | ||
76 | #if 0 | |
77 | static void | |
78 | do_quick_append PARAMS ((const char *archive_filename, | |
79 | char **files_to_append)); | |
80 | #endif | |
81 | ||
82 | static void | |
83 | move_members PARAMS ((bfd *, char **files_to_move)); | |
84 | ||
85 | static void | |
86 | replace_members PARAMS ((bfd *, char **files_to_replace, boolean quick)); | |
87 | ||
88 | static void | |
89 | print_descr PARAMS ((bfd * abfd)); | |
90 | ||
91 | static void | |
92 | write_archive PARAMS ((bfd *)); | |
93 | ||
94 | static void | |
95 | ranlib_only PARAMS ((const char *archname)); | |
96 | ||
97 | static void | |
98 | ranlib_touch PARAMS ((const char *archname)); | |
99 | ||
100 | static void | |
101 | usage PARAMS ((int)); | |
102 | \f | |
103 | /** Globals and flags */ | |
104 | ||
105 | int mri_mode; | |
106 | ||
107 | /* This flag distinguishes between ar and ranlib: | |
108 | 1 means this is 'ranlib'; 0 means this is 'ar'. | |
109 | -1 means if we should use argv[0] to decide. */ | |
110 | extern int is_ranlib; | |
111 | ||
112 | /* Nonzero means don't warn about creating the archive file if necessary. */ | |
113 | int silent_create = 0; | |
114 | ||
115 | /* Nonzero means describe each action performed. */ | |
116 | int verbose = 0; | |
117 | ||
118 | /* Nonzero means preserve dates of members when extracting them. */ | |
119 | int preserve_dates = 0; | |
120 | ||
121 | /* Nonzero means don't replace existing members whose dates are more recent | |
122 | than the corresponding files. */ | |
123 | int newer_only = 0; | |
124 | ||
125 | /* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF | |
126 | member). -1 means we've been explicitly asked to not write a symbol table; | |
127 | +1 means we've been explictly asked to write it; | |
128 | 0 is the default. | |
129 | Traditionally, the default in BSD has been to not write the table. | |
130 | However, for POSIX.2 compliance the default is now to write a symbol table | |
131 | if any of the members are object files. */ | |
132 | int write_armap = 0; | |
133 | ||
134 | /* Nonzero means it's the name of an existing member; position new or moved | |
135 | files with respect to this one. */ | |
136 | char *posname = NULL; | |
137 | ||
138 | /* Sez how to use `posname': pos_before means position before that member. | |
139 | pos_after means position after that member. pos_end means always at end. | |
140 | pos_default means default appropriately. For the latter two, `posname' | |
141 | should also be zero. */ | |
142 | enum pos | |
143 | { | |
144 | pos_default, pos_before, pos_after, pos_end | |
145 | } postype = pos_default; | |
146 | ||
147 | static bfd ** | |
148 | get_pos_bfd PARAMS ((bfd **, enum pos, const char *)); | |
149 | ||
150 | /* Whether to truncate names of files stored in the archive. */ | |
151 | static boolean ar_truncate = false; | |
152 | ||
153 | int interactive = 0; | |
154 | ||
155 | static void | |
156 | mri_emul () | |
157 | { | |
158 | interactive = isatty (fileno (stdin)); | |
159 | yyparse (); | |
160 | } | |
161 | ||
162 | /* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero, | |
163 | COUNT is the length of the FILES chain; FUNCTION is called on each entry | |
164 | whose name matches one in FILES. */ | |
165 | ||
166 | static void | |
167 | map_over_members (arch, function, files, count) | |
168 | bfd *arch; | |
169 | void (*function) PARAMS ((bfd *)); | |
170 | char **files; | |
171 | int count; | |
172 | { | |
173 | bfd *head; | |
174 | ||
175 | if (count == 0) | |
176 | { | |
177 | for (head = arch->next; head; head = head->next) | |
178 | { | |
179 | PROGRESS (1); | |
180 | function (head); | |
181 | } | |
182 | return; | |
183 | } | |
184 | /* This may appear to be a baroque way of accomplishing what we want. | |
185 | However we have to iterate over the filenames in order to notice where | |
186 | a filename is requested but does not exist in the archive. Ditto | |
187 | mapping over each file each time -- we want to hack multiple | |
188 | references. */ | |
189 | ||
190 | for (; count > 0; files++, count--) | |
191 | { | |
192 | boolean found = false; | |
193 | ||
194 | for (head = arch->next; head; head = head->next) | |
195 | { | |
196 | PROGRESS (1); | |
197 | if (head->filename == NULL) | |
198 | { | |
199 | /* Some archive formats don't get the filenames filled in | |
200 | until the elements are opened. */ | |
201 | struct stat buf; | |
202 | bfd_stat_arch_elt (head, &buf); | |
203 | } | |
204 | if ((head->filename != NULL) && | |
205 | (!strcmp (*files, head->filename))) | |
206 | { | |
207 | found = true; | |
208 | function (head); | |
209 | } | |
210 | } | |
211 | if (!found) | |
212 | /* xgettext:c-format */ | |
213 | fprintf (stderr, _("no entry %s in archive\n"), *files); | |
214 | } | |
215 | } | |
216 | \f | |
217 | boolean operation_alters_arch = false; | |
218 | ||
219 | static void | |
220 | usage (help) | |
221 | int help; | |
222 | { | |
223 | FILE *s; | |
224 | ||
225 | s = help ? stdout : stderr; | |
226 | ||
227 | if (! is_ranlib) | |
228 | { | |
229 | /* xgettext:c-format */ | |
230 | fprintf (s, _("Usage: %s [-]{dmpqrstx}[abcilosSuvV] [member-name] archive-file file...\n"), program_name); | |
231 | /* xgettext:c-format */ | |
232 | fprintf (s, _(" %s -M [<mri-script]\n"), program_name); | |
233 | fprintf (s, _(" commands:\n")); | |
234 | fprintf (s, _(" d - delete file(s) from the archive\n")); | |
235 | fprintf (s, _(" m[ab] - move file(s) in the archive\n")); | |
236 | fprintf (s, _(" p - print file(s) found in the archive\n")); | |
237 | fprintf (s, _(" q[f] - quick append file(s) to the archive\n")); | |
238 | fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n")); | |
239 | fprintf (s, _(" t - display contents of archive\n")); | |
240 | fprintf (s, _(" x[o] - extract file(s) from the archive\n")); | |
241 | fprintf (s, _(" command specific modifiers:\n")); | |
242 | fprintf (s, _(" [a] - put file(s) after [member-name]\n")); | |
243 | fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n")); | |
244 | fprintf (s, _(" [f] - truncate inserted file names\n")); | |
245 | fprintf (s, _(" [o] - preserve original dates\n")); | |
246 | fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n")); | |
247 | fprintf (s, _(" generic modifiers:\n")); | |
248 | fprintf (s, _(" [c] - do not warn if the library had to be created\n")); | |
249 | fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n")); | |
250 | fprintf (s, _(" [S] - do not build a symbol table\n")); | |
251 | fprintf (s, _(" [v] - be verbose\n")); | |
252 | fprintf (s, _(" [V] - display the version number\n")); | |
253 | } | |
254 | else | |
255 | /* xgettext:c-format */ | |
256 | fprintf (s, _("Usage: %s [-vV] archive\n"), program_name); | |
257 | ||
258 | list_supported_targets (program_name, stderr); | |
259 | ||
260 | if (help) | |
261 | fprintf (s, _("Report bugs to bug-gnu-utils@gnu.org\n")); | |
262 | ||
263 | xexit (help ? 0 : 1); | |
264 | } | |
265 | ||
266 | /* Normalize a file name specified on the command line into a file | |
267 | name which we will use in an archive. */ | |
268 | ||
269 | static const char * | |
270 | normalize (file, abfd) | |
271 | const char *file; | |
272 | bfd *abfd; | |
273 | { | |
274 | const char *filename; | |
275 | ||
276 | filename = strrchr (file, '/'); | |
277 | if (filename != (char *) NULL) | |
278 | filename++; | |
279 | else | |
280 | filename = file; | |
281 | ||
282 | if (ar_truncate | |
283 | && abfd != NULL | |
284 | && strlen (filename) > abfd->xvec->ar_max_namelen) | |
285 | { | |
286 | char *s; | |
287 | ||
288 | /* Space leak. */ | |
289 | s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1); | |
290 | memcpy (s, filename, abfd->xvec->ar_max_namelen); | |
291 | s[abfd->xvec->ar_max_namelen] = '\0'; | |
292 | filename = s; | |
293 | } | |
294 | ||
295 | return filename; | |
296 | } | |
297 | ||
298 | /* Remove any output file. This is only called via xatexit. */ | |
299 | ||
300 | static char *output_filename = NULL; | |
301 | static FILE *output_file = NULL; | |
302 | static bfd *output_bfd = NULL; | |
303 | ||
304 | static void | |
305 | remove_output () | |
306 | { | |
307 | if (output_filename != NULL) | |
308 | { | |
309 | if (output_bfd != NULL && output_bfd->iostream != NULL) | |
310 | fclose ((FILE *) (output_bfd->iostream)); | |
311 | if (output_file != NULL) | |
312 | fclose (output_file); | |
313 | unlink (output_filename); | |
314 | } | |
315 | } | |
316 | ||
317 | /* The option parsing should be in its own function. | |
318 | It will be when I have getopt working. */ | |
319 | ||
320 | int | |
321 | main (argc, argv) | |
322 | int argc; | |
323 | char **argv; | |
324 | { | |
325 | char *arg_ptr; | |
326 | char c; | |
327 | enum | |
328 | { | |
329 | none = 0, delete, replace, print_table, | |
330 | print_files, extract, move, quick_append | |
331 | } operation = none; | |
332 | int arg_index; | |
333 | char **files; | |
334 | char *inarch_filename; | |
335 | int show_version; | |
336 | ||
337 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
338 | setlocale (LC_MESSAGES, ""); | |
339 | #endif | |
340 | bindtextdomain (PACKAGE, LOCALEDIR); | |
341 | textdomain (PACKAGE); | |
342 | ||
343 | program_name = argv[0]; | |
344 | xmalloc_set_program_name (program_name); | |
345 | ||
346 | if (is_ranlib < 0) | |
347 | { | |
348 | char *temp; | |
349 | ||
350 | temp = strrchr (program_name, '/'); | |
351 | if (temp == NULL) | |
352 | temp = program_name; | |
353 | else | |
354 | ++temp; | |
355 | if (strlen (temp) >= 6 | |
356 | && strcmp (temp + strlen (temp) - 6, "ranlib") == 0) | |
357 | is_ranlib = 1; | |
358 | else | |
359 | is_ranlib = 0; | |
360 | } | |
361 | ||
362 | if (argc > 1 && argv[1][0] == '-') | |
363 | { | |
364 | if (strcmp (argv[1], "--help") == 0) | |
365 | usage (1); | |
366 | else if (strcmp (argv[1], "--version") == 0) | |
367 | { | |
368 | if (is_ranlib) | |
369 | print_version ("ranlib"); | |
370 | else | |
371 | print_version ("ar"); | |
372 | } | |
373 | } | |
374 | ||
375 | START_PROGRESS (program_name, 0); | |
376 | ||
377 | bfd_init (); | |
378 | set_default_bfd_target (); | |
379 | ||
380 | show_version = 0; | |
381 | ||
382 | xatexit (remove_output); | |
383 | ||
384 | if (is_ranlib) | |
385 | { | |
386 | boolean touch = false; | |
387 | ||
388 | if (argc < 2 || strcmp (argv[1], "--help") == 0) | |
389 | usage (0); | |
390 | if (strcmp (argv[1], "-V") == 0 | |
391 | || strcmp (argv[1], "-v") == 0 | |
392 | || strncmp (argv[1], "--v", 3) == 0) | |
393 | print_version ("ranlib"); | |
394 | arg_index = 1; | |
395 | if (strcmp (argv[1], "-t") == 0) | |
396 | { | |
397 | ++arg_index; | |
398 | touch = true; | |
399 | } | |
400 | while (arg_index < argc) | |
401 | { | |
402 | if (! touch) | |
403 | ranlib_only (argv[arg_index]); | |
404 | else | |
405 | ranlib_touch (argv[arg_index]); | |
406 | ++arg_index; | |
407 | } | |
408 | xexit (0); | |
409 | } | |
410 | ||
411 | if (argc == 2 && strcmp (argv[1], "-M") == 0) | |
412 | { | |
413 | mri_emul (); | |
414 | xexit (0); | |
415 | } | |
416 | ||
417 | if (argc < 2) | |
418 | usage (0); | |
419 | ||
420 | arg_ptr = argv[1]; | |
421 | ||
422 | if (*arg_ptr == '-') | |
423 | ++arg_ptr; /* compatibility */ | |
424 | ||
425 | while ((c = *arg_ptr++) != '\0') | |
426 | { | |
427 | switch (c) | |
428 | { | |
429 | case 'd': | |
430 | case 'm': | |
431 | case 'p': | |
432 | case 'q': | |
433 | case 'r': | |
434 | case 't': | |
435 | case 'x': | |
436 | if (operation != none) | |
437 | fatal (_("two different operation options specified")); | |
438 | switch (c) | |
439 | { | |
440 | case 'd': | |
441 | operation = delete; | |
442 | operation_alters_arch = true; | |
443 | break; | |
444 | case 'm': | |
445 | operation = move; | |
446 | operation_alters_arch = true; | |
447 | break; | |
448 | case 'p': | |
449 | operation = print_files; | |
450 | break; | |
451 | case 'q': | |
452 | operation = quick_append; | |
453 | operation_alters_arch = true; | |
454 | break; | |
455 | case 'r': | |
456 | operation = replace; | |
457 | operation_alters_arch = true; | |
458 | break; | |
459 | case 't': | |
460 | operation = print_table; | |
461 | break; | |
462 | case 'x': | |
463 | operation = extract; | |
464 | break; | |
465 | } | |
466 | case 'l': | |
467 | break; | |
468 | case 'c': | |
469 | silent_create = 1; | |
470 | break; | |
471 | case 'o': | |
472 | preserve_dates = 1; | |
473 | break; | |
474 | case 'V': | |
475 | show_version = true; | |
476 | break; | |
477 | case 's': | |
478 | write_armap = 1; | |
479 | break; | |
480 | case 'S': | |
481 | write_armap = -1; | |
482 | break; | |
483 | case 'u': | |
484 | newer_only = 1; | |
485 | break; | |
486 | case 'v': | |
487 | verbose = 1; | |
488 | break; | |
489 | case 'a': | |
490 | postype = pos_after; | |
491 | break; | |
492 | case 'b': | |
493 | postype = pos_before; | |
494 | break; | |
495 | case 'i': | |
496 | postype = pos_before; | |
497 | break; | |
498 | case 'M': | |
499 | mri_mode = 1; | |
500 | break; | |
501 | case 'f': | |
502 | ar_truncate = true; | |
503 | break; | |
504 | default: | |
505 | /* xgettext:c-format */ | |
506 | fprintf (stderr, _("%s: illegal option -- %c\n"), program_name, c); | |
507 | usage (0); | |
508 | } | |
509 | } | |
510 | ||
511 | if (show_version) | |
512 | print_version ("ar"); | |
513 | ||
514 | if (argc < 3) | |
515 | usage (0); | |
516 | ||
517 | if (mri_mode) | |
518 | { | |
519 | mri_emul (); | |
520 | } | |
521 | else | |
522 | { | |
523 | bfd *arch; | |
524 | ||
525 | /* We can't write an armap when using ar q, so just do ar r | |
526 | instead. */ | |
527 | if (operation == quick_append && write_armap) | |
528 | operation = replace; | |
529 | ||
530 | if ((operation == none || operation == print_table) | |
531 | && write_armap == 1) | |
532 | { | |
533 | ranlib_only (argv[2]); | |
534 | xexit (0); | |
535 | } | |
536 | ||
537 | if (operation == none) | |
538 | fatal (_("no operation specified")); | |
539 | ||
540 | if (newer_only && operation != replace) | |
541 | fatal (_("`u' is only meaningful with the `r' option.")); | |
542 | ||
543 | arg_index = 2; | |
544 | ||
545 | if (postype != pos_default) | |
546 | posname = argv[arg_index++]; | |
547 | ||
548 | inarch_filename = argv[arg_index++]; | |
549 | ||
550 | files = arg_index < argc ? argv + arg_index : NULL; | |
551 | ||
552 | #if 0 | |
553 | /* We don't use do_quick_append any more. Too many systems | |
554 | expect ar to always rebuild the symbol table even when q is | |
555 | used. */ | |
556 | ||
557 | /* We can't do a quick append if we need to construct an | |
558 | extended name table, because do_quick_append won't be able to | |
559 | rebuild the name table. Unfortunately, at this point we | |
560 | don't actually know the maximum name length permitted by this | |
561 | object file format. So, we guess. FIXME. */ | |
562 | if (operation == quick_append && ! ar_truncate) | |
563 | { | |
564 | char **chk; | |
565 | ||
566 | for (chk = files; chk != NULL && *chk != '\0'; chk++) | |
567 | { | |
568 | if (strlen (normalize (*chk, (bfd *) NULL)) > 14) | |
569 | { | |
570 | operation = replace; | |
571 | break; | |
572 | } | |
573 | } | |
574 | } | |
575 | ||
576 | if (operation == quick_append) | |
577 | { | |
578 | /* Note that quick appending to a non-existent archive creates it, | |
579 | even if there are no files to append. */ | |
580 | do_quick_append (inarch_filename, files); | |
581 | xexit (0); | |
582 | } | |
583 | #endif | |
584 | ||
585 | arch = open_inarch (inarch_filename, | |
586 | files == NULL ? (char *) NULL : files[0]); | |
587 | ||
588 | switch (operation) | |
589 | { | |
590 | case print_table: | |
591 | map_over_members (arch, print_descr, files, argc - 3); | |
592 | break; | |
593 | ||
594 | case print_files: | |
595 | map_over_members (arch, print_contents, files, argc - 3); | |
596 | break; | |
597 | ||
598 | case extract: | |
599 | map_over_members (arch, extract_file, files, argc - 3); | |
600 | break; | |
601 | ||
602 | case delete: | |
603 | if (files != NULL) | |
604 | delete_members (arch, files); | |
605 | break; | |
606 | ||
607 | case move: | |
608 | if (files != NULL) | |
609 | move_members (arch, files); | |
610 | break; | |
611 | ||
612 | case replace: | |
613 | case quick_append: | |
614 | if (files != NULL || write_armap > 0) | |
615 | replace_members (arch, files, operation == quick_append); | |
616 | break; | |
617 | ||
618 | /* Shouldn't happen! */ | |
619 | default: | |
620 | /* xgettext:c-format */ | |
621 | fprintf (stderr, _("%s: internal error -- this option not implemented\n"), | |
622 | program_name); | |
623 | xexit (1); | |
624 | } | |
625 | } | |
626 | ||
627 | END_PROGRESS (program_name); | |
628 | ||
629 | xexit (0); | |
630 | return 0; | |
631 | } | |
632 | ||
633 | bfd * | |
634 | open_inarch (archive_filename, file) | |
635 | const char *archive_filename; | |
636 | const char *file; | |
637 | { | |
638 | const char *target; | |
639 | bfd **last_one; | |
640 | bfd *next_one; | |
641 | struct stat sbuf; | |
642 | bfd *arch; | |
643 | char **matching; | |
644 | ||
645 | bfd_set_error (bfd_error_no_error); | |
646 | ||
647 | target = NULL; | |
648 | ||
649 | if (stat (archive_filename, &sbuf) != 0) | |
650 | { | |
651 | #ifndef __GO32__ | |
652 | ||
653 | /* KLUDGE ALERT! Temporary fix until I figger why | |
654 | * stat() is wrong ... think it's buried in GO32's IDT | |
655 | * - Jax | |
656 | */ | |
657 | if (errno != ENOENT) | |
658 | bfd_fatal (archive_filename); | |
659 | #endif | |
660 | ||
661 | if (!operation_alters_arch) | |
662 | { | |
663 | fprintf (stderr, "%s: ", program_name); | |
664 | perror (archive_filename); | |
665 | maybequit (); | |
666 | return NULL; | |
667 | } | |
668 | ||
669 | /* Try to figure out the target to use for the archive from the | |
670 | first object on the list. */ | |
671 | if (file != NULL) | |
672 | { | |
673 | bfd *obj; | |
674 | ||
675 | obj = bfd_openr (file, NULL); | |
676 | if (obj != NULL) | |
677 | { | |
678 | if (bfd_check_format (obj, bfd_object)) | |
679 | target = bfd_get_target (obj); | |
680 | (void) bfd_close (obj); | |
681 | } | |
682 | } | |
683 | ||
684 | /* Create an empty archive. */ | |
685 | arch = bfd_openw (archive_filename, target); | |
686 | if (arch == NULL | |
687 | || ! bfd_set_format (arch, bfd_archive) | |
688 | || ! bfd_close (arch)) | |
689 | bfd_fatal (archive_filename); | |
690 | } | |
691 | ||
692 | arch = bfd_openr (archive_filename, target); | |
693 | if (arch == NULL) | |
694 | { | |
695 | bloser: | |
696 | bfd_fatal (archive_filename); | |
697 | } | |
698 | ||
699 | if (! bfd_check_format_matches (arch, bfd_archive, &matching)) | |
700 | { | |
701 | bfd_nonfatal (archive_filename); | |
702 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
703 | { | |
704 | list_matching_formats (matching); | |
705 | free (matching); | |
706 | } | |
707 | xexit (1); | |
708 | } | |
709 | ||
710 | last_one = &(arch->next); | |
711 | /* Read all the contents right away, regardless. */ | |
712 | for (next_one = bfd_openr_next_archived_file (arch, NULL); | |
713 | next_one; | |
714 | next_one = bfd_openr_next_archived_file (arch, next_one)) | |
715 | { | |
716 | PROGRESS (1); | |
717 | *last_one = next_one; | |
718 | last_one = &next_one->next; | |
719 | } | |
720 | *last_one = (bfd *) NULL; | |
721 | if (bfd_get_error () != bfd_error_no_more_archived_files) | |
722 | goto bloser; | |
723 | return arch; | |
724 | } | |
725 | ||
726 | static void | |
727 | print_contents (abfd) | |
728 | bfd *abfd; | |
729 | { | |
730 | int ncopied = 0; | |
731 | char *cbuf = xmalloc (BUFSIZE); | |
732 | struct stat buf; | |
733 | long size; | |
734 | if (bfd_stat_arch_elt (abfd, &buf) != 0) | |
735 | /* xgettext:c-format */ | |
736 | fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); | |
737 | ||
738 | if (verbose) | |
739 | /* xgettext:c-format */ | |
740 | printf (_("\n<member %s>\n\n"), bfd_get_filename (abfd)); | |
741 | ||
742 | bfd_seek (abfd, 0, SEEK_SET); | |
743 | ||
744 | size = buf.st_size; | |
745 | while (ncopied < size) | |
746 | { | |
747 | ||
748 | int nread; | |
749 | int tocopy = size - ncopied; | |
750 | if (tocopy > BUFSIZE) | |
751 | tocopy = BUFSIZE; | |
752 | ||
753 | nread = bfd_read (cbuf, 1, tocopy, abfd); /* oops -- broke | |
754 | abstraction! */ | |
755 | if (nread != tocopy) | |
756 | /* xgettext:c-format */ | |
757 | fatal (_("%s is not a valid archive"), | |
758 | bfd_get_filename (bfd_my_archive (abfd))); | |
759 | fwrite (cbuf, 1, nread, stdout); | |
760 | ncopied += tocopy; | |
761 | } | |
762 | free (cbuf); | |
763 | } | |
764 | ||
765 | /* Extract a member of the archive into its own file. | |
766 | ||
767 | We defer opening the new file until after we have read a BUFSIZ chunk of the | |
768 | old one, since we know we have just read the archive header for the old | |
769 | one. Since most members are shorter than BUFSIZ, this means we will read | |
770 | the old header, read the old data, write a new inode for the new file, and | |
771 | write the new data, and be done. This 'optimization' is what comes from | |
772 | sitting next to a bare disk and hearing it every time it seeks. -- Gnu | |
773 | Gilmore */ | |
774 | ||
775 | void | |
776 | extract_file (abfd) | |
777 | bfd *abfd; | |
778 | { | |
779 | FILE *ostream; | |
780 | char *cbuf = xmalloc (BUFSIZE); | |
781 | int nread, tocopy; | |
782 | long ncopied = 0; | |
783 | long size; | |
784 | struct stat buf; | |
785 | ||
786 | if (bfd_stat_arch_elt (abfd, &buf) != 0) | |
787 | /* xgettext:c-format */ | |
788 | fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); | |
789 | size = buf.st_size; | |
790 | ||
791 | if (size < 0) | |
792 | /* xgettext:c-format */ | |
793 | fatal (_("stat returns negative size for %s"), bfd_get_filename (abfd)); | |
794 | ||
795 | if (verbose) | |
796 | printf ("x - %s\n", bfd_get_filename (abfd)); | |
797 | ||
798 | bfd_seek (abfd, 0, SEEK_SET); | |
799 | ||
800 | ostream = NULL; | |
801 | if (size == 0) | |
802 | { | |
803 | /* Seems like an abstraction violation, eh? Well it's OK! */ | |
804 | output_filename = bfd_get_filename (abfd); | |
805 | ||
806 | ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); | |
807 | if (ostream == NULL) | |
808 | { | |
809 | perror (bfd_get_filename (abfd)); | |
810 | xexit (1); | |
811 | } | |
812 | ||
813 | output_file = ostream; | |
814 | } | |
815 | else | |
816 | while (ncopied < size) | |
817 | { | |
818 | tocopy = size - ncopied; | |
819 | if (tocopy > BUFSIZE) | |
820 | tocopy = BUFSIZE; | |
821 | ||
822 | nread = bfd_read (cbuf, 1, tocopy, abfd); | |
823 | if (nread != tocopy) | |
824 | /* xgettext:c-format */ | |
825 | fatal (_("%s is not a valid archive"), | |
826 | bfd_get_filename (bfd_my_archive (abfd))); | |
827 | ||
828 | /* See comment above; this saves disk arm motion */ | |
829 | if (ostream == NULL) | |
830 | { | |
831 | /* Seems like an abstraction violation, eh? Well it's OK! */ | |
832 | output_filename = bfd_get_filename (abfd); | |
833 | ||
834 | ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); | |
835 | if (ostream == NULL) | |
836 | { | |
837 | perror (bfd_get_filename (abfd)); | |
838 | xexit (1); | |
839 | } | |
840 | ||
841 | output_file = ostream; | |
842 | } | |
843 | fwrite (cbuf, 1, nread, ostream); | |
844 | ncopied += tocopy; | |
845 | } | |
846 | ||
847 | if (ostream != NULL) | |
848 | fclose (ostream); | |
849 | ||
850 | output_file = NULL; | |
851 | output_filename = NULL; | |
852 | ||
853 | chmod (bfd_get_filename (abfd), buf.st_mode); | |
854 | ||
855 | if (preserve_dates) | |
856 | set_times (bfd_get_filename (abfd), &buf); | |
857 | ||
858 | free (cbuf); | |
859 | } | |
860 | ||
861 | #if 0 | |
862 | ||
863 | /* We don't use this anymore. Too many systems expect ar to rebuild | |
864 | the symbol table even when q is used. */ | |
865 | ||
866 | /* Just do it quickly; don't worry about dups, armap, or anything like that */ | |
867 | ||
868 | static void | |
869 | do_quick_append (archive_filename, files_to_append) | |
870 | const char *archive_filename; | |
871 | char **files_to_append; | |
872 | { | |
873 | FILE *ofile, *ifile; | |
874 | char *buf = xmalloc (BUFSIZE); | |
875 | long tocopy, thistime; | |
876 | bfd *temp; | |
877 | struct stat sbuf; | |
878 | boolean newfile = false; | |
879 | bfd_set_error (bfd_error_no_error); | |
880 | ||
881 | if (stat (archive_filename, &sbuf) != 0) | |
882 | { | |
883 | ||
884 | #ifndef __GO32__ | |
885 | ||
886 | /* KLUDGE ALERT! Temporary fix until I figger why | |
887 | * stat() is wrong ... think it's buried in GO32's IDT | |
888 | * - Jax | |
889 | */ | |
890 | ||
891 | if (errno != ENOENT) | |
892 | bfd_fatal (archive_filename); | |
893 | #endif | |
894 | ||
895 | newfile = true; | |
896 | } | |
897 | ||
898 | ofile = fopen (archive_filename, FOPEN_AUB); | |
899 | if (ofile == NULL) | |
900 | { | |
901 | perror (program_name); | |
902 | xexit (1); | |
903 | } | |
904 | ||
905 | temp = bfd_openr (archive_filename, NULL); | |
906 | if (temp == NULL) | |
907 | { | |
908 | bfd_fatal (archive_filename); | |
909 | } | |
910 | if (newfile == false) | |
911 | { | |
912 | if (bfd_check_format (temp, bfd_archive) != true) | |
913 | /* xgettext:c-format */ | |
914 | fatal (_("%s is not an archive"), archive_filename); | |
915 | } | |
916 | else | |
917 | { | |
918 | fwrite (ARMAG, 1, SARMAG, ofile); | |
919 | if (!silent_create) | |
920 | /* xgettext:c-format */ | |
921 | fprintf (stderr, _("%s: creating %s\n"), | |
922 | program_name, archive_filename); | |
923 | } | |
924 | ||
925 | if (ar_truncate) | |
926 | temp->flags |= BFD_TRADITIONAL_FORMAT; | |
927 | ||
928 | /* assume it's an achive, go straight to the end, sans $200 */ | |
929 | fseek (ofile, 0, 2); | |
930 | ||
931 | for (; files_to_append && *files_to_append; ++files_to_append) | |
932 | { | |
933 | struct ar_hdr *hdr = bfd_special_undocumented_glue (temp, *files_to_append); | |
934 | if (hdr == NULL) | |
935 | { | |
936 | bfd_fatal (*files_to_append); | |
937 | } | |
938 | ||
939 | BFD_SEND (temp, _bfd_truncate_arname, (temp, *files_to_append, (char *) hdr)); | |
940 | ||
941 | ifile = fopen (*files_to_append, FOPEN_RB); | |
942 | if (ifile == NULL) | |
943 | { | |
944 | bfd_nonfatal (*files_to_append); | |
945 | } | |
946 | ||
947 | if (stat (*files_to_append, &sbuf) != 0) | |
948 | { | |
949 | bfd_nonfatal (*files_to_append); | |
950 | } | |
951 | ||
952 | tocopy = sbuf.st_size; | |
953 | ||
954 | /* XXX should do error-checking! */ | |
955 | fwrite (hdr, 1, sizeof (struct ar_hdr), ofile); | |
956 | ||
957 | while (tocopy > 0) | |
958 | { | |
959 | thistime = tocopy; | |
960 | if (thistime > BUFSIZE) | |
961 | thistime = BUFSIZE; | |
962 | fread (buf, 1, thistime, ifile); | |
963 | fwrite (buf, 1, thistime, ofile); | |
964 | tocopy -= thistime; | |
965 | } | |
966 | fclose (ifile); | |
967 | if ((sbuf.st_size % 2) == 1) | |
968 | putc ('\012', ofile); | |
969 | } | |
970 | fclose (ofile); | |
971 | bfd_close (temp); | |
972 | free (buf); | |
973 | } | |
974 | ||
975 | #endif /* 0 */ | |
976 | ||
977 | static void | |
978 | write_archive (iarch) | |
979 | bfd *iarch; | |
980 | { | |
981 | bfd *obfd; | |
982 | char *old_name, *new_name; | |
983 | bfd *contents_head = iarch->next; | |
984 | ||
985 | old_name = xmalloc (strlen (bfd_get_filename (iarch)) + 1); | |
986 | strcpy (old_name, bfd_get_filename (iarch)); | |
987 | new_name = make_tempname (old_name); | |
988 | ||
989 | output_filename = new_name; | |
990 | ||
991 | obfd = bfd_openw (new_name, bfd_get_target (iarch)); | |
992 | ||
993 | if (obfd == NULL) | |
994 | bfd_fatal (old_name); | |
995 | ||
996 | output_bfd = obfd; | |
997 | ||
998 | bfd_set_format (obfd, bfd_archive); | |
999 | ||
1000 | /* Request writing the archive symbol table unless we've | |
1001 | been explicitly requested not to. */ | |
1002 | obfd->has_armap = write_armap >= 0; | |
1003 | ||
1004 | if (ar_truncate) | |
1005 | { | |
1006 | /* This should really use bfd_set_file_flags, but that rejects | |
1007 | archives. */ | |
1008 | obfd->flags |= BFD_TRADITIONAL_FORMAT; | |
1009 | } | |
1010 | ||
1011 | if (bfd_set_archive_head (obfd, contents_head) != true) | |
1012 | bfd_fatal (old_name); | |
1013 | ||
1014 | if (!bfd_close (obfd)) | |
1015 | bfd_fatal (old_name); | |
1016 | ||
1017 | output_bfd = NULL; | |
1018 | output_filename = NULL; | |
1019 | ||
1020 | /* We don't care if this fails; we might be creating the archive. */ | |
1021 | bfd_close (iarch); | |
1022 | ||
1023 | if (smart_rename (new_name, old_name, 0) != 0) | |
1024 | xexit (1); | |
1025 | } | |
1026 | ||
1027 | /* Return a pointer to the pointer to the entry which should be rplacd'd | |
1028 | into when altering. DEFAULT_POS should be how to interpret pos_default, | |
1029 | and should be a pos value. */ | |
1030 | ||
1031 | static bfd ** | |
1032 | get_pos_bfd (contents, default_pos, default_posname) | |
1033 | bfd **contents; | |
1034 | enum pos default_pos; | |
1035 | const char *default_posname; | |
1036 | { | |
1037 | bfd **after_bfd = contents; | |
1038 | enum pos realpos; | |
1039 | const char *realposname; | |
1040 | ||
1041 | if (postype == pos_default) | |
1042 | { | |
1043 | realpos = default_pos; | |
1044 | realposname = default_posname; | |
1045 | } | |
1046 | else | |
1047 | { | |
1048 | realpos = postype; | |
1049 | realposname = posname; | |
1050 | } | |
1051 | ||
1052 | if (realpos == pos_end) | |
1053 | { | |
1054 | while (*after_bfd) | |
1055 | after_bfd = &((*after_bfd)->next); | |
1056 | } | |
1057 | else | |
1058 | { | |
1059 | for (; *after_bfd; after_bfd = &(*after_bfd)->next) | |
1060 | if (strcmp ((*after_bfd)->filename, realposname) == 0) | |
1061 | { | |
1062 | if (realpos == pos_after) | |
1063 | after_bfd = &(*after_bfd)->next; | |
1064 | break; | |
1065 | } | |
1066 | } | |
1067 | return after_bfd; | |
1068 | } | |
1069 | ||
1070 | static void | |
1071 | delete_members (arch, files_to_delete) | |
1072 | bfd *arch; | |
1073 | char **files_to_delete; | |
1074 | { | |
1075 | bfd **current_ptr_ptr; | |
1076 | boolean found; | |
1077 | boolean something_changed = false; | |
1078 | for (; *files_to_delete != NULL; ++files_to_delete) | |
1079 | { | |
1080 | /* In a.out systems, the armap is optional. It's also called | |
1081 | __.SYMDEF. So if the user asked to delete it, we should remember | |
1082 | that fact. This isn't quite right for COFF systems (where | |
1083 | __.SYMDEF might be regular member), but it's very unlikely | |
1084 | to be a problem. FIXME */ | |
1085 | ||
1086 | if (!strcmp (*files_to_delete, "__.SYMDEF")) | |
1087 | { | |
1088 | arch->has_armap = false; | |
1089 | write_armap = -1; | |
1090 | continue; | |
1091 | } | |
1092 | ||
1093 | found = false; | |
1094 | current_ptr_ptr = &(arch->next); | |
1095 | while (*current_ptr_ptr) | |
1096 | { | |
1097 | if (strcmp (*files_to_delete, (*current_ptr_ptr)->filename) == 0) | |
1098 | { | |
1099 | found = true; | |
1100 | something_changed = true; | |
1101 | if (verbose) | |
1102 | printf ("d - %s\n", | |
1103 | *files_to_delete); | |
1104 | *current_ptr_ptr = ((*current_ptr_ptr)->next); | |
1105 | goto next_file; | |
1106 | } | |
1107 | else | |
1108 | { | |
1109 | current_ptr_ptr = &((*current_ptr_ptr)->next); | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | if (verbose && found == false) | |
1114 | { | |
1115 | /* xgettext:c-format */ | |
1116 | printf (_("No member named `%s'\n"), *files_to_delete); | |
1117 | } | |
1118 | next_file: | |
1119 | ; | |
1120 | } | |
1121 | ||
1122 | if (something_changed == true) | |
1123 | { | |
1124 | write_archive (arch); | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | ||
1129 | /* Reposition existing members within an archive */ | |
1130 | ||
1131 | static void | |
1132 | move_members (arch, files_to_move) | |
1133 | bfd *arch; | |
1134 | char **files_to_move; | |
1135 | { | |
1136 | bfd **after_bfd; /* New entries go after this one */ | |
1137 | bfd **current_ptr_ptr; /* cdr pointer into contents */ | |
1138 | ||
1139 | for (; *files_to_move; ++files_to_move) | |
1140 | { | |
1141 | current_ptr_ptr = &(arch->next); | |
1142 | while (*current_ptr_ptr) | |
1143 | { | |
1144 | bfd *current_ptr = *current_ptr_ptr; | |
1145 | if (strcmp (normalize (*files_to_move, arch), | |
1146 | current_ptr->filename) == 0) | |
1147 | { | |
1148 | /* Move this file to the end of the list - first cut from | |
1149 | where it is. */ | |
1150 | bfd *link; | |
1151 | *current_ptr_ptr = current_ptr->next; | |
1152 | ||
1153 | /* Now glue to end */ | |
1154 | after_bfd = get_pos_bfd (&arch->next, pos_end, NULL); | |
1155 | link = *after_bfd; | |
1156 | *after_bfd = current_ptr; | |
1157 | current_ptr->next = link; | |
1158 | ||
1159 | if (verbose) | |
1160 | printf ("m - %s\n", *files_to_move); | |
1161 | ||
1162 | goto next_file; | |
1163 | } | |
1164 | ||
1165 | current_ptr_ptr = &((*current_ptr_ptr)->next); | |
1166 | } | |
1167 | /* xgettext:c-format */ | |
1168 | fprintf (stderr, _("%s: no entry %s in archive %s!\n"), | |
1169 | program_name, *files_to_move, arch->filename); | |
1170 | xexit (1); | |
1171 | next_file:; | |
1172 | } | |
1173 | ||
1174 | write_archive (arch); | |
1175 | } | |
1176 | ||
1177 | /* Ought to default to replacing in place, but this is existing practice! */ | |
1178 | ||
1179 | static void | |
1180 | replace_members (arch, files_to_move, quick) | |
1181 | bfd *arch; | |
1182 | char **files_to_move; | |
1183 | boolean quick; | |
1184 | { | |
1185 | boolean changed = false; | |
1186 | bfd **after_bfd; /* New entries go after this one */ | |
1187 | bfd *current; | |
1188 | bfd **current_ptr; | |
1189 | bfd *temp; | |
1190 | ||
1191 | while (files_to_move && *files_to_move) | |
1192 | { | |
1193 | if (! quick) | |
1194 | { | |
1195 | current_ptr = &arch->next; | |
1196 | while (*current_ptr) | |
1197 | { | |
1198 | current = *current_ptr; | |
1199 | ||
1200 | /* For compatibility with existing ar programs, we | |
1201 | permit the same file to be added multiple times. */ | |
1202 | if (strcmp (normalize (*files_to_move, arch), | |
1203 | normalize (current->filename, arch)) == 0 | |
1204 | && current->arelt_data != NULL) | |
1205 | { | |
1206 | if (newer_only) | |
1207 | { | |
1208 | struct stat fsbuf, asbuf; | |
1209 | ||
1210 | if (stat (*files_to_move, &fsbuf) != 0) | |
1211 | { | |
1212 | if (errno != ENOENT) | |
1213 | bfd_fatal (*files_to_move); | |
1214 | goto next_file; | |
1215 | } | |
1216 | if (bfd_stat_arch_elt (current, &asbuf) != 0) | |
1217 | /* xgettext:c-format */ | |
1218 | fatal (_("internal stat error on %s"), current->filename); | |
1219 | ||
1220 | if (fsbuf.st_mtime <= asbuf.st_mtime) | |
1221 | goto next_file; | |
1222 | } | |
1223 | ||
1224 | after_bfd = get_pos_bfd (&arch->next, pos_after, | |
1225 | current->filename); | |
1226 | temp = *after_bfd; | |
1227 | ||
1228 | *after_bfd = bfd_openr (*files_to_move, NULL); | |
1229 | if (*after_bfd == (bfd *) NULL) | |
1230 | { | |
1231 | bfd_fatal (*files_to_move); | |
1232 | } | |
1233 | (*after_bfd)->next = temp; | |
1234 | ||
1235 | /* snip out this entry from the chain */ | |
1236 | *current_ptr = (*current_ptr)->next; | |
1237 | ||
1238 | if (verbose) | |
1239 | { | |
1240 | printf ("r - %s\n", *files_to_move); | |
1241 | } | |
1242 | ||
1243 | changed = true; | |
1244 | ||
1245 | goto next_file; | |
1246 | } | |
1247 | current_ptr = &(current->next); | |
1248 | } | |
1249 | } | |
1250 | ||
1251 | /* Add to the end of the archive. */ | |
1252 | ||
1253 | after_bfd = get_pos_bfd (&arch->next, pos_end, NULL); | |
1254 | temp = *after_bfd; | |
1255 | *after_bfd = bfd_openr (*files_to_move, NULL); | |
1256 | if (*after_bfd == (bfd *) NULL) | |
1257 | { | |
1258 | bfd_fatal (*files_to_move); | |
1259 | } | |
1260 | if (verbose) | |
1261 | { | |
1262 | printf ("a - %s\n", *files_to_move); | |
1263 | } | |
1264 | ||
1265 | (*after_bfd)->next = temp; | |
1266 | ||
1267 | changed = true; | |
1268 | ||
1269 | next_file:; | |
1270 | ||
1271 | files_to_move++; | |
1272 | } | |
1273 | ||
1274 | if (changed) | |
1275 | write_archive (arch); | |
1276 | } | |
1277 | ||
1278 | static void | |
1279 | ranlib_only (archname) | |
1280 | const char *archname; | |
1281 | { | |
1282 | bfd *arch; | |
1283 | ||
1284 | write_armap = 1; | |
1285 | arch = open_inarch (archname, (char *) NULL); | |
1286 | if (arch == NULL) | |
1287 | xexit (1); | |
1288 | write_archive (arch); | |
1289 | } | |
1290 | ||
1291 | /* Update the timestamp of the symbol map of an archive. */ | |
1292 | ||
1293 | static void | |
1294 | ranlib_touch (archname) | |
1295 | const char *archname; | |
1296 | { | |
1297 | #ifdef __GO32__ | |
1298 | /* I don't think updating works on go32. */ | |
1299 | ranlib_only (archname); | |
1300 | #else | |
1301 | int f; | |
1302 | bfd *arch; | |
1303 | char **matching; | |
1304 | ||
d84feeac | 1305 | f = open (archname, O_RDWR | O_BINARY, 0); |
252b5132 RH |
1306 | if (f < 0) |
1307 | { | |
1308 | bfd_set_error (bfd_error_system_call); | |
1309 | bfd_fatal (archname); | |
1310 | } | |
1311 | ||
1312 | arch = bfd_fdopenr (archname, (const char *) NULL, f); | |
1313 | if (arch == NULL) | |
1314 | bfd_fatal (archname); | |
1315 | if (! bfd_check_format_matches (arch, bfd_archive, &matching)) | |
1316 | { | |
1317 | bfd_nonfatal (archname); | |
1318 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
1319 | { | |
1320 | list_matching_formats (matching); | |
1321 | free (matching); | |
1322 | } | |
1323 | xexit (1); | |
1324 | } | |
1325 | ||
1326 | if (! bfd_has_map (arch)) | |
1327 | /* xgettext:c-format */ | |
1328 | fatal (_("%s: no archive map to update"), archname); | |
1329 | ||
1330 | bfd_update_armap_timestamp (arch); | |
1331 | ||
1332 | if (! bfd_close (arch)) | |
1333 | bfd_fatal (archname); | |
1334 | #endif | |
1335 | } | |
1336 | ||
1337 | /* Things which are interesting to map over all or some of the files: */ | |
1338 | ||
1339 | static void | |
1340 | print_descr (abfd) | |
1341 | bfd *abfd; | |
1342 | { | |
1343 | print_arelt_descr (stdout, abfd, verbose); | |
1344 | } |