Commit | Line | Data |
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5f0e8767 SC |
1 | /* ar.c - Archive modify and extract. |
2 | Copyright (C) 1991 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 DHW |
20 | /* |
21 | Bugs: should use getopt the way tar does (complete w/optional -) and | |
22 | should have long options too. GNU ar used to check file against filesystem | |
23 | in quick_update and replace operations (would check mtime). Doesn't warn | |
24 | when name truncated. No way to specify pos_end. Error messages should be | |
25 | more consistant. | |
26 | */ | |
2fa0b342 | 27 | #include "bfd.h" |
5f0e8767 | 28 | #include "sysdep.h" |
2fa0b342 DHW |
29 | #include "ar.h" |
30 | #include <stdio.h> | |
31 | #include <sys/time.h> | |
32 | #include <errno.h> | |
33 | #define BUFSIZE 8192 | |
5f0e8767 | 34 | /* FIXME: Not great to have these here. Should they be exported or not? */ |
2fa0b342 DHW |
35 | PROTO(size_t, bfd_read, (void *ptr, size_t size, size_t nitems, bfd * abfd)); |
36 | PROTO(size_t, bfd_write, (void *ptr, size_t size, size_t nitems, bfd * abfd)); | |
37 | /* PROTO (void, open_inarch, (char *archive_filename)); */ | |
38 | #ifdef __STDC__ | |
39 | static void open_inarch(char *archive_filename); | |
40 | #else | |
41 | static void open_inarch(); | |
42 | #endif /* __STDC__ */ | |
43 | ||
44 | PROTO(void, map_over_members, (void (*function) (), char **files, int count)); | |
45 | PROTO(void, print_contents, (bfd * member)); | |
46 | PROTO(void, extract_file, (bfd * abfd)); | |
47 | PROTO(void, delete_members, (char **files_to_delete)); | |
48 | PROTO(void, do_quick_append, (char *archive_filename, char **files_to_append)); | |
49 | PROTO(void, move_members, (char **files_to_move)); | |
50 | PROTO(void, replace_members, (char **files_to_replace)); | |
51 | PROTO(void, print_descr, (bfd * abfd)); | |
52 | PROTO(void, ranlib_only, (char *archname)); | |
53 | ||
54 | /** Globals and flags */ | |
55 | ||
56 | char *program_name = NULL; | |
57 | bfd bogus_archive; | |
58 | bfd *inarch; /* The input arch we're manipulating */ | |
59 | ||
5f0e8767 SC |
60 | /* This flag distinguishes between ar and ranlib: |
61 | 1 means this is 'ranlib'; -1 means this is 'ar'. | |
62 | 0 means if we should use argv[0] to decide. */ | |
63 | extern int is_ranlib; | |
2fa0b342 DHW |
64 | /* Nonzero means don't warn about creating the archive file if necessary. */ |
65 | int silent_create = 0; | |
66 | /* Nonzero means describe each action performed. */ | |
67 | int verbose = 0; | |
68 | /* Nonzero means preserve dates of members when extracting them. */ | |
69 | int preserve_dates = 0; | |
70 | /* | |
71 | Nonzero means don't replace existing members whose dates are more recent | |
72 | than the corresponding files. | |
73 | */ | |
74 | int newer_only = 0; | |
75 | /* write a __.SYMDEF member into the modified archive. */ | |
76 | boolean write_armap = false; | |
77 | /* | |
78 | Nonzero means don't update __.SYMDEF unless command line explicitly | |
79 | requested it | |
80 | */ | |
81 | int ignore_symdef = 0; | |
82 | /* | |
83 | Nonzero means it's the name of an existing member; position new or moved | |
84 | files with respect to this one. | |
85 | */ | |
86 | char *posname = NULL; | |
87 | /* | |
88 | Sez how to use `posname': pos_before means position before that member. | |
89 | pos_after means position after that member. pos_end means always at end. | |
90 | pos_default means default appropriately. For the latter two, `posname' | |
91 | should also be zero. | |
92 | */ | |
93 | enum pos { | |
94 | pos_default, pos_before, pos_after, pos_end | |
95 | } postype = pos_default; | |
96 | ||
ab01cf22 DHW |
97 | #ifdef GNU960 |
98 | char *default_target; | |
99 | ||
100 | void | |
101 | gnu960_verify_target(abfd) | |
102 | bfd *abfd; | |
103 | { | |
104 | if ( abfd->format == bfd_unknown ){ | |
105 | bfd_check_format(abfd, bfd_object); | |
106 | /* Don't really care if it's an object -- | |
107 | * just want to get the correct xvec. | |
108 | */ | |
109 | } | |
110 | if ( !BFD_COFF_FILE_P(abfd) ){ | |
111 | fatal( "'%s' not a COFF file -- operation aborted", | |
112 | abfd->filename ); | |
113 | } | |
114 | } | |
115 | #endif | |
116 | ||
117 | ||
8ab76aa7 DHW |
118 | |
119 | boolean operation_alters_arch = false; | |
120 | ||
2fa0b342 DHW |
121 | /* |
122 | The option parsing should be in its own function. It will be when I have | |
123 | getopt working. | |
124 | */ | |
125 | int | |
126 | main(argc, argv) | |
127 | int argc; | |
128 | char **argv; | |
129 | { | |
130 | char *arg_ptr; | |
131 | char c; | |
132 | enum { | |
133 | none = 0, delete, replace, print_table, | |
134 | print_files, extract, move, quick_append | |
135 | } operation = none; | |
136 | int arg_index; | |
137 | char **files; | |
138 | char *inarch_filename; | |
139 | char *temp; | |
2fa0b342 | 140 | |
5f0e8767 SC |
141 | bfd_init(); |
142 | ||
ab01cf22 DHW |
143 | #ifdef GNU960 |
144 | check_v960( argc, argv ); | |
145 | default_target = bfd_make_targ_name(BFD_COFF_FORMAT,HOST_BYTE_ORDER_BIG_P); | |
146 | #endif | |
147 | ||
148 | program_name = argv[0]; | |
2fa0b342 DHW |
149 | |
150 | temp = strrchr(program_name, '/'); | |
151 | if (temp == (char *) NULL) | |
152 | temp = program_name; /* shouldn't happen, but... */ | |
153 | else | |
154 | ++temp; | |
5f0e8767 | 155 | if (is_ranlib > 0 || (is_ranlib == 0 && strcmp(temp, "ranlib") == 0)) { |
2fa0b342 DHW |
156 | if (argc < 2) |
157 | fatal("Too few command arguments."); | |
158 | ranlib_only(argv[1]); | |
159 | } | |
160 | ||
161 | ||
162 | if (argc < 3) | |
163 | fatal("Too few command arguments."); | |
164 | ||
165 | arg_ptr = argv[1]; | |
166 | ||
167 | if (*arg_ptr == '-') | |
168 | ++arg_ptr; /* compatibility */ | |
169 | ||
170 | while (c = *arg_ptr++) { | |
171 | switch (c) { | |
172 | case 'd': | |
173 | case 'm': | |
174 | case 'p': | |
175 | case 'q': | |
176 | case 'r': | |
177 | case 't': | |
178 | case 'x': | |
179 | if (operation != none) | |
180 | fatal("two different operation switches specified"); | |
181 | switch (c) { | |
182 | case 'd': | |
183 | operation = delete; | |
8ab76aa7 | 184 | operation_alters_arch = true; |
2fa0b342 DHW |
185 | break; |
186 | case 'm': | |
187 | operation = move; | |
8ab76aa7 | 188 | operation_alters_arch = true; |
2fa0b342 DHW |
189 | break; |
190 | case 'p': | |
191 | operation = print_files; | |
192 | break; | |
193 | case 'q': | |
194 | operation = quick_append; | |
8ab76aa7 | 195 | operation_alters_arch = true; |
2fa0b342 DHW |
196 | break; |
197 | case 'r': | |
198 | operation = replace; | |
8ab76aa7 | 199 | operation_alters_arch = true; |
2fa0b342 DHW |
200 | break; |
201 | case 't': | |
202 | operation = print_table; | |
203 | break; | |
204 | case 'x': | |
205 | operation = extract; | |
206 | break; | |
207 | } | |
208 | case 'l': | |
209 | break; | |
210 | case 'c': | |
211 | silent_create = 1; | |
212 | break; | |
213 | case 'o': | |
214 | preserve_dates = 1; | |
215 | break; | |
216 | case 's': | |
217 | write_armap = true; | |
218 | break; | |
219 | case 'u': | |
220 | newer_only = 1; | |
221 | break; | |
222 | case 'v': | |
223 | verbose = 1; | |
224 | break; | |
225 | case 'a': | |
226 | postype = pos_after; | |
227 | break; | |
228 | case 'b': | |
229 | postype = pos_before; | |
230 | break; | |
231 | case 'i': | |
232 | postype = pos_before; | |
233 | break; | |
234 | default: | |
235 | fatal("invalid option %c", c); | |
236 | } | |
237 | } | |
238 | ||
bb5ae298 SC |
239 | if ((operation == none || operation == print_table) |
240 | && write_armap == true) | |
2fa0b342 DHW |
241 | ranlib_only(argv[2]); |
242 | ||
243 | if (operation == none) | |
244 | fatal("no operation specified"); | |
245 | ||
246 | if (newer_only && operation != replace) | |
247 | fatal("'u' only meaningful with 'r' option."); | |
248 | ||
249 | arg_index = 2; | |
250 | ||
251 | if (postype != pos_default) | |
252 | posname = argv[arg_index++]; | |
253 | ||
254 | inarch_filename = argv[arg_index++]; | |
255 | ||
256 | if (arg_index < argc) { | |
257 | files = argv + arg_index; | |
258 | while (arg_index < argc) | |
259 | if (!strcmp(argv[arg_index++], "__.SYMDEF")) { | |
260 | ignore_symdef = 1; | |
261 | break; | |
262 | } | |
263 | } | |
264 | else | |
265 | files = NULL; | |
266 | ||
267 | if (operation == quick_append) { | |
268 | if (files != NULL) | |
269 | do_quick_append(inarch_filename, files); | |
270 | exit(0); | |
271 | } | |
272 | ||
273 | ||
274 | open_inarch(inarch_filename); | |
275 | /* | |
276 | If we have no archive, and we've been asked to replace then create one | |
277 | */ | |
8ab76aa7 DHW |
278 | #if 0 |
279 | if (operation == replace && inarch == &bogus_archive) { | |
ab01cf22 DHW |
280 | silent_create = 1; |
281 | do_quick_append(inarch_filename, 0); | |
282 | open_inarch(inarch_filename); | |
2fa0b342 | 283 | } |
8ab76aa7 | 284 | #endif |
2fa0b342 DHW |
285 | switch (operation) { |
286 | ||
287 | case print_table: | |
288 | map_over_members(print_descr, files, argc - 3); | |
289 | break; | |
290 | ||
291 | case print_files: | |
292 | map_over_members(print_contents, files, argc - 3); | |
293 | break; | |
294 | ||
295 | case extract: | |
296 | map_over_members(extract_file, files, argc - 3); | |
297 | break; | |
298 | ||
299 | case delete: | |
300 | if (files != NULL) | |
301 | delete_members(files); | |
302 | break; | |
303 | ||
304 | case move: | |
305 | if (files != NULL) | |
306 | move_members(files); | |
307 | break; | |
308 | ||
309 | case replace: | |
310 | if (files != NULL || write_armap) | |
311 | replace_members(files); | |
312 | break; | |
313 | ||
314 | /* Shouldn't happen! */ | |
315 | default: | |
316 | fprintf(stderr, "Sorry; this option not implemented.\n"); | |
317 | } | |
318 | ||
319 | return (0); | |
320 | } /* main() */ | |
321 | ||
322 | static | |
323 | char *normalize(file) | |
324 | char *file; | |
325 | { | |
326 | char * filename = strrchr(file, '/'); | |
327 | if (filename != (char *)NULL) { | |
328 | filename ++; | |
329 | } | |
330 | else { | |
331 | filename = file; | |
332 | } | |
333 | return filename; | |
334 | } | |
335 | ||
336 | static void | |
337 | open_inarch(archive_filename) | |
338 | char *archive_filename; | |
339 | { | |
340 | bfd **last_one; | |
341 | bfd *next_one; | |
342 | struct stat sbuf; | |
343 | bfd_error = no_error; | |
344 | if (stat(archive_filename, &sbuf) != 0) { | |
345 | if (errno != ENOENT) | |
346 | bfd_fatal(archive_filename); | |
8ab76aa7 DHW |
347 | if (!operation_alters_arch) { |
348 | fprintf (stderr, "%s: %s not found.\n", program_name, | |
349 | archive_filename); | |
350 | exit (1); | |
351 | } | |
2fa0b342 DHW |
352 | if (!silent_create) |
353 | fprintf(stderr, | |
354 | "%s: creating %s\n", program_name, archive_filename); | |
355 | ||
356 | inarch = &bogus_archive; | |
357 | inarch->filename = archive_filename; | |
358 | inarch->has_armap = true; | |
359 | ||
360 | } | |
361 | else { | |
ab01cf22 DHW |
362 | #ifdef GNU960 |
363 | inarch = bfd_openr(archive_filename, default_target); | |
364 | #else | |
2fa0b342 | 365 | inarch = bfd_openr(archive_filename, NULL); |
ab01cf22 | 366 | #endif |
2fa0b342 DHW |
367 | if (inarch == NULL) { |
368 | bloser: | |
369 | bfd_perror(archive_filename); | |
370 | exit(1); | |
371 | } | |
372 | ||
373 | if (bfd_check_format(inarch, bfd_archive) != true) | |
374 | fatal("File %s is not an archive.", archive_filename); | |
ab01cf22 DHW |
375 | #ifdef GNU960 |
376 | gnu960_verify_target(inarch); /* Exits on failure */ | |
377 | #endif | |
2fa0b342 DHW |
378 | last_one = &(inarch->next); |
379 | /* Read all the contents right away, regardless. */ | |
380 | for (next_one = bfd_openr_next_archived_file(inarch, NULL); | |
381 | next_one; | |
382 | next_one = bfd_openr_next_archived_file(inarch, next_one)) { | |
383 | *last_one = next_one; | |
384 | last_one = &next_one->next; | |
385 | } | |
386 | *last_one = (bfd *) NULL; | |
387 | if (bfd_error != no_more_archived_files) | |
388 | goto bloser; | |
389 | } | |
390 | } | |
391 | ||
392 | ||
393 | ||
394 | /* | |
395 | If count is 0, then function is called once on each entry. if nonzero, | |
396 | count is the length of the files chain; function is called on each entry | |
397 | whose name matches one in files | |
398 | */ | |
399 | void | |
400 | map_over_members(function, files, count) | |
401 | void (*function) (); | |
402 | char **files; | |
403 | int count; | |
404 | { | |
405 | bfd *head; | |
406 | ||
407 | ||
408 | ||
409 | ||
410 | if (count == 0) { | |
411 | for (head = inarch->next; head; head = head->next) | |
412 | function(head); | |
413 | return; | |
414 | } | |
415 | /* | |
416 | This may appear to be a baroque way of accomplishing what we want. | |
417 | however we have to iterate over the filenames in order to notice where | |
418 | a filename is requested but does not exist in the archive. Ditto | |
419 | mapping over each file each time -- we want to hack multiple | |
420 | references. | |
421 | */ | |
422 | ||
423 | for (; count > 0; files++, count--) { | |
424 | boolean found = false; | |
425 | for (head = inarch->next; head; head = head->next) | |
426 | if ((head->filename != NULL) && | |
427 | (!strcmp(*files, head->filename))) { | |
428 | found = true; | |
429 | function(head); | |
430 | } | |
431 | if (!found) | |
432 | fprintf(stderr, "No entry %s in archive.\n", *files); | |
433 | } | |
434 | } | |
435 | ||
436 | ||
437 | /* Things which are interesting to map over all or some of the files: */ | |
438 | ||
439 | void | |
440 | print_descr(abfd) | |
441 | bfd *abfd; | |
442 | { | |
443 | print_arelt_descr(abfd, verbose); | |
444 | } | |
445 | ||
446 | void | |
447 | print_contents(abfd) | |
448 | bfd *abfd; | |
449 | { | |
450 | int ncopied = 0; | |
451 | struct stat buf; | |
452 | long size; | |
453 | if (bfd_stat_arch_elt(abfd, &buf) != 0) | |
454 | fatal("Internal stat error on %s", abfd->filename); | |
455 | ||
456 | if (verbose) | |
457 | printf("\n<member %s>\n\n", abfd->filename); | |
458 | ||
459 | bfd_seek(abfd, 0, SEEK_SET); | |
460 | ||
461 | size = buf.st_size; | |
462 | while (ncopied < size) { | |
463 | char cbuf[BUFSIZE]; | |
464 | int nread; | |
465 | int tocopy = size - ncopied; | |
466 | if (tocopy > BUFSIZE) | |
467 | tocopy = BUFSIZE; | |
468 | ||
469 | nread = bfd_read(cbuf, 1, tocopy, abfd); /* oops -- broke | |
470 | abstraction! */ | |
471 | ||
472 | if (nread != tocopy) | |
473 | fatal("file %s not a valid archive", abfd->my_archive->filename); | |
474 | fwrite(cbuf, 1, nread, stdout); | |
475 | ncopied += tocopy; | |
476 | } | |
477 | } | |
478 | ||
479 | ||
480 | /* | |
481 | Extract a member of the archive into its own file. | |
482 | ||
483 | We defer opening the new file until after we have read a BUFSIZ chunk of the | |
484 | old one, since we know we have just read the archive header for the old | |
485 | one. Since most members are shorter than BUFSIZ, this means we will read | |
486 | the old header, read the old data, write a new inode for the new file, and | |
487 | write the new data, and be done. This 'optimization' is what comes from | |
488 | sitting next to a bare disk and hearing it every time it seeks. -- Gnu | |
489 | Gilmore | |
490 | */ | |
491 | ||
492 | void | |
493 | extract_file(abfd) | |
494 | bfd *abfd; | |
495 | { | |
496 | FILE *ostream; | |
497 | char cbuf[BUFSIZE]; | |
498 | int nread, | |
499 | tocopy; | |
500 | int ncopied = 0; | |
501 | long size; | |
502 | struct stat buf; | |
503 | if (bfd_stat_arch_elt(abfd, &buf) != 0) | |
504 | fatal("Internal stat error on %s", abfd->filename); | |
505 | size = buf.st_size; | |
506 | ||
507 | if (verbose) | |
508 | printf("x - %s\n", abfd->filename); | |
509 | ||
510 | bfd_seek(abfd, 0, SEEK_SET); | |
511 | ||
512 | ostream = 0; | |
8ab76aa7 DHW |
513 | if (size == 0) { |
514 | /* Seems like an abstraction violation, eh? Well it's OK! */ | |
515 | ostream = fopen(abfd->filename, "w"); | |
516 | if (!ostream) { | |
517 | perror(abfd->filename); | |
518 | exit(1); | |
519 | } | |
520 | } else | |
2fa0b342 DHW |
521 | while (ncopied < size) { |
522 | tocopy = size - ncopied; | |
523 | if (tocopy > BUFSIZE) | |
524 | tocopy = BUFSIZE; | |
525 | ||
526 | nread = bfd_read(cbuf, 1, tocopy, abfd); | |
527 | if (nread != tocopy) | |
528 | fatal("file %s not a valid archive", abfd->my_archive->filename); | |
529 | ||
530 | /* See comment above; this saves disk arm motion */ | |
531 | if (!ostream) { | |
532 | /* Seems like an abstraction violation, eh? Well it's OK! */ | |
533 | ostream = fopen(abfd->filename, "w"); | |
534 | if (!ostream) { | |
535 | perror(abfd->filename); | |
536 | exit(1); | |
537 | } | |
538 | } | |
2fa0b342 DHW |
539 | fwrite(cbuf, 1, nread, ostream); |
540 | ncopied += tocopy; | |
541 | } | |
542 | ||
543 | fclose(ostream); | |
544 | chmod(abfd->filename, buf.st_mode); | |
545 | ||
546 | if (preserve_dates) { | |
547 | #ifdef USG | |
548 | long tb[2]; | |
549 | tb[0] = buf.st_mtime; | |
550 | tb[1] = buf.st_mtime; | |
551 | utime(abfd->filename, tb); /* FIXME check result */ | |
552 | #else | |
553 | struct timeval tv[2]; | |
554 | tv[0].tv_sec = buf.st_mtime; | |
555 | tv[0].tv_usec = 0; | |
556 | tv[1].tv_sec = buf.st_mtime; | |
557 | tv[1].tv_usec = 0; | |
558 | utimes(abfd->filename, tv); /* FIXME check result */ | |
559 | #endif | |
560 | } | |
561 | } | |
562 | ||
563 | ||
564 | /* Just do it quickly; don't worry about dups, armap, or anything like that */ | |
565 | ||
566 | /* This is ugly! XXX */ | |
567 | ||
9872a49c | 568 | PROTO(struct ar_hdr *, bfd_special_undocumented_glue, (bfd *abfd, char *filename)); |
2fa0b342 DHW |
569 | |
570 | void | |
571 | do_quick_append(archive_filename, files_to_append) | |
572 | char *archive_filename; | |
573 | char **files_to_append; | |
574 | ||
575 | { | |
576 | FILE *ofile, | |
577 | *ifile; | |
578 | char buf[BUFSIZE]; | |
579 | long tocopy, | |
580 | thistime; | |
581 | bfd *temp; | |
582 | struct stat sbuf; | |
583 | boolean newfile = false; | |
584 | bfd_error = no_error; | |
585 | ||
586 | if (stat(archive_filename, &sbuf) != 0) { | |
587 | if (errno != ENOENT) | |
588 | bfd_fatal(archive_filename); | |
589 | newfile = true; | |
590 | } | |
591 | ||
592 | ||
593 | ofile = fopen(archive_filename, "a+"); | |
594 | if (ofile == NULL) { | |
595 | perror(program_name); | |
596 | exit(1); | |
597 | } | |
598 | ||
599 | /* bletch */ | |
ab01cf22 DHW |
600 | #ifdef GNU960 |
601 | temp = bfd_openr(archive_filename, default_target); | |
602 | #else | |
2fa0b342 | 603 | temp = bfd_openr(archive_filename, NULL); |
ab01cf22 | 604 | #endif |
2fa0b342 DHW |
605 | if (temp == NULL) { |
606 | bfd_perror(archive_filename); | |
607 | exit(1); | |
608 | } | |
609 | if (newfile == false) { | |
610 | if (bfd_check_format(temp, bfd_archive) != true) | |
611 | fatal("File %s is not an archive.", archive_filename); | |
ab01cf22 DHW |
612 | #ifdef GNU960 |
613 | gnu960_verify_target(temp); /* Exits on failure */ | |
614 | #endif | |
2fa0b342 DHW |
615 | } |
616 | else { | |
617 | fwrite(ARMAG, 1, SARMAG, ofile); | |
618 | if (!silent_create) | |
619 | fprintf(stderr, "%s: creating %s\n", program_name, archive_filename); | |
620 | } | |
621 | ||
622 | /* assume it's an achive, go straight to the end, sans $200 */ | |
623 | fseek(ofile, 0, 2); | |
624 | ||
625 | for (; files_to_append && *files_to_append; ++files_to_append) { | |
9872a49c | 626 | struct ar_hdr *hdr = bfd_special_undocumented_glue(temp, *files_to_append); |
2fa0b342 DHW |
627 | if (hdr == NULL) { |
628 | bfd_perror(*files_to_append); | |
629 | exit(1); | |
630 | } | |
631 | ||
632 | BFD_SEND(temp, _bfd_truncate_arname, (temp, *files_to_append, (char *) hdr)); | |
633 | ||
634 | ifile = fopen(*files_to_append, "r"); | |
635 | if (ifile == NULL) | |
636 | bfd_perror(program_name); | |
637 | ||
638 | if (stat(*files_to_append, &sbuf) != 0) | |
639 | bfd_perror(*files_to_append); | |
640 | ||
641 | tocopy = sbuf.st_size; | |
642 | ||
643 | /* XXX should do error-checking! */ | |
644 | fwrite(hdr, 1, sizeof(struct ar_hdr), ofile); | |
645 | ||
646 | ||
647 | while (tocopy > 0) { | |
648 | thistime = tocopy; | |
649 | if (thistime > BUFSIZE) | |
650 | thistime = BUFSIZE; | |
651 | fread(buf, 1, thistime, ifile); | |
652 | fwrite(buf, 1, thistime, ofile); | |
653 | tocopy -= thistime; | |
654 | } | |
655 | fclose(ifile); | |
656 | if ((sbuf.st_size % 2) == 1) | |
657 | putc('\n', ofile); | |
658 | } | |
659 | fclose(ofile); | |
660 | bfd_close(temp); | |
661 | } | |
662 | ||
663 | ||
664 | void | |
665 | write_archive() | |
666 | { | |
667 | bfd *obfd; | |
668 | char *xmalloc(); | |
669 | int namelen = strlen(inarch->filename); | |
670 | char *new_name = xmalloc(namelen + 6); | |
671 | bfd *contents_head = inarch->next; | |
8ab76aa7 | 672 | #if 0 |
2fa0b342 DHW |
673 | if (inarch == &bogus_archive) { |
674 | /* How can this be ? */ | |
675 | return; | |
676 | } | |
677 | else { | |
8ab76aa7 | 678 | #endif |
2fa0b342 DHW |
679 | strcpy(new_name, inarch->filename); |
680 | strcpy(new_name + namelen, ".art"); | |
8ab76aa7 | 681 | obfd = bfd_openw(new_name, |
5f0e8767 | 682 | /* FIXME: violates abstraction; need a better protocol */ |
8ab76aa7 | 683 | (inarch->xvec ? bfd_get_target(inarch) : NULL)); |
2fa0b342 DHW |
684 | |
685 | if (obfd == NULL) | |
686 | bfd_fatal(inarch->filename); | |
687 | ||
688 | bfd_set_format(obfd, bfd_archive); | |
689 | obfd->has_armap = write_armap; | |
690 | ||
691 | if (bfd_set_archive_head(obfd, contents_head) != true) | |
692 | bfd_fatal(inarch->filename); | |
693 | ||
694 | if (!bfd_close(obfd)) | |
695 | bfd_fatal(inarch->filename); | |
0885eef1 SC |
696 | |
697 | /* We don't care if this fails, we might be creating the | |
698 | archive */ | |
699 | (void) unlink(inarch->filename); | |
700 | ||
2fa0b342 DHW |
701 | if (rename(new_name, inarch->filename) != 0) |
702 | bfd_fatal(inarch->filename); | |
8ab76aa7 | 703 | #if 0 |
2fa0b342 | 704 | } |
8ab76aa7 | 705 | #endif |
2fa0b342 DHW |
706 | } |
707 | ||
708 | ||
709 | ||
710 | /* | |
711 | returns a pointer to the pointer to the entry which should be rplacd'd | |
712 | into when altering. default_pos should be how to interpret pos_default, | |
713 | and should be a pos value. | |
714 | */ | |
715 | ||
716 | bfd ** | |
717 | get_pos_bfd(contents, default_pos) | |
718 | bfd **contents; | |
719 | enum pos default_pos; | |
720 | { | |
bb5ae298 | 721 | bfd **after_bfd = contents; |
2fa0b342 | 722 | enum pos realpos = (postype == pos_default ? default_pos : postype); |
2fa0b342 | 723 | |
bb5ae298 SC |
724 | if (realpos == pos_end) { |
725 | while (*after_bfd) | |
2fa0b342 | 726 | after_bfd = &((*after_bfd)->next); |
bb5ae298 SC |
727 | } |
728 | else { | |
729 | for ( ; *after_bfd; after_bfd = &(*after_bfd)->next) | |
730 | if (!strcmp((*after_bfd)->filename, posname)) { | |
731 | if (realpos == pos_after) | |
732 | after_bfd = &(*after_bfd)->next; | |
2fa0b342 | 733 | } |
2fa0b342 | 734 | } |
2fa0b342 DHW |
735 | return after_bfd; |
736 | } | |
737 | ||
738 | ||
739 | void | |
740 | delete_members(files_to_delete) | |
741 | char **files_to_delete; | |
742 | { | |
743 | bfd **current_ptr_ptr; | |
744 | boolean found; | |
745 | boolean something_changed = false; | |
746 | for (; *files_to_delete != NULL; ++files_to_delete) { | |
747 | /* | |
748 | In a.out systems, the armap is optional. It's also called | |
749 | __.SYMDEF. So if the user asked to delete it, we should remember | |
750 | that fact. The name is NULL in COFF archives, so using this as a | |
751 | key is as good as anything I suppose | |
752 | */ | |
753 | if (!strcmp(*files_to_delete, "__.SYMDEF")) { | |
754 | inarch->has_armap = false; | |
755 | write_armap = false; | |
756 | continue; | |
757 | } | |
758 | ||
759 | found = false; | |
760 | current_ptr_ptr = &(inarch->next); | |
761 | while (*current_ptr_ptr) { | |
762 | if (strcmp(*files_to_delete, (*current_ptr_ptr)->filename) == 0) { | |
763 | found = true; | |
764 | something_changed = true; | |
765 | if (verbose) | |
766 | printf("d - %s\n", | |
767 | *files_to_delete); | |
768 | *current_ptr_ptr = ((*current_ptr_ptr)->next); | |
769 | goto next_file; | |
770 | ||
771 | } | |
772 | else { | |
773 | current_ptr_ptr = &((*current_ptr_ptr)->next); | |
774 | } | |
775 | } | |
776 | ||
777 | if (verbose && found == false) { | |
778 | printf("No member named `%s'\n", *files_to_delete); | |
779 | } | |
780 | next_file:; | |
781 | ||
782 | } | |
783 | ||
784 | if (something_changed == true) { | |
785 | write_archive(); | |
786 | } | |
787 | } | |
788 | ||
789 | ||
790 | /* Reposition existing members within an archive */ | |
791 | ||
792 | void | |
793 | move_members(files_to_move) | |
794 | char **files_to_move; | |
795 | { | |
796 | bfd **after_bfd; /* New entries go after this one */ | |
797 | bfd **current_ptr_ptr; /* cdr pointer into contents */ | |
798 | ||
799 | ||
800 | ||
801 | ||
802 | for (; *files_to_move; ++files_to_move) { | |
803 | current_ptr_ptr = &(inarch->next); | |
804 | while (*current_ptr_ptr) { | |
805 | bfd *current_ptr = *current_ptr_ptr; | |
806 | if (strcmp(normalize(*files_to_move), current_ptr->filename) == 0) { | |
807 | /* | |
808 | Move this file to the end of the list - first cut from | |
809 | where it is. | |
810 | */ | |
811 | *current_ptr_ptr = current_ptr->next; | |
812 | ||
813 | /* Now glue to end */ | |
814 | after_bfd = get_pos_bfd(&inarch->next, pos_end); | |
815 | *after_bfd = current_ptr; | |
816 | current_ptr->next = (bfd *) NULL; | |
817 | ||
818 | if (verbose) | |
819 | printf("m - %s\n", *files_to_move); | |
820 | ||
821 | goto next_file; | |
822 | } | |
823 | current_ptr_ptr = &((*current_ptr_ptr)->next); | |
824 | } | |
825 | fprintf(stderr, "No entry %s in archive %s!\n", | |
826 | *files_to_move, inarch->filename); | |
827 | exit(1); | |
828 | next_file:; | |
829 | } | |
830 | ||
831 | write_archive(); | |
832 | } | |
833 | ||
834 | ||
835 | /* Ought to default to replacing in place, but this is existing practice! */ | |
836 | ||
837 | void | |
838 | replace_members(files_to_move) | |
839 | char **files_to_move; | |
840 | { | |
841 | bfd **after_bfd; /* New entries go after this one */ | |
842 | bfd *current; | |
843 | bfd **current_ptr; | |
844 | bfd *temp; | |
845 | /* | |
846 | If the first item in the archive is an __.SYMDEF then remove it | |
847 | */ | |
848 | if (inarch->next && | |
849 | strcmp(inarch->next->filename, "__.SYMDEF") == 0) { | |
850 | inarch->next = inarch->next->next; | |
851 | } | |
852 | ||
853 | ||
854 | ||
855 | while (files_to_move && *files_to_move) { | |
856 | current_ptr = &inarch->next; | |
857 | while (*current_ptr) { | |
858 | current = *current_ptr; | |
859 | ||
860 | if (!strcmp(normalize(*files_to_move), current->filename)) { | |
2fa0b342 DHW |
861 | if (newer_only) { |
862 | struct stat fsbuf, | |
863 | asbuf; | |
931004e4 DHW |
864 | |
865 | if (current->arelt_data == NULL) { | |
866 | /* This can only happen if you specify a file on the | |
867 | command line more than once. */ | |
868 | fprintf (stderr, "Duplicate file specified: %s -- skipping.\n", *files_to_move); | |
869 | goto next_file; | |
870 | } | |
871 | ||
2fa0b342 DHW |
872 | if (stat(*files_to_move, &fsbuf) != 0) { |
873 | if (errno != ENOENT) | |
874 | bfd_fatal(*files_to_move); | |
875 | goto next_file; | |
876 | } | |
877 | if (bfd_stat_arch_elt(current, &asbuf) != 0) | |
878 | fatal("Internal stat error on %s", current->filename); | |
879 | ||
880 | if (fsbuf.st_mtime <= asbuf.st_mtime) | |
881 | goto next_file; | |
882 | } | |
883 | ||
2ef2fb7e DHW |
884 | /* snip out this entry from the chain */ |
885 | *current_ptr = current->next; | |
2fa0b342 DHW |
886 | |
887 | after_bfd = get_pos_bfd(&inarch->next, pos_end); | |
888 | temp = *after_bfd; | |
889 | *after_bfd = bfd_openr(*files_to_move, NULL); | |
890 | if (*after_bfd == (bfd *) NULL) { | |
891 | fprintf(stderr, "Can't open file %s\n", *files_to_move); | |
892 | exit(1); | |
893 | } | |
ab01cf22 DHW |
894 | #ifdef GNU960 |
895 | gnu960_verify_target(*after_bfd); /* Exits on failure */ | |
896 | #endif | |
2fa0b342 DHW |
897 | (*after_bfd)->next = temp; |
898 | ||
899 | if (verbose) { | |
900 | printf("%c - %s\n", (postype == pos_after ? 'r' : 'a'), | |
901 | *files_to_move); | |
902 | } | |
903 | goto next_file; | |
904 | } | |
905 | current_ptr = &(current->next); | |
906 | } | |
907 | ||
908 | /* It isn't in there, so add to end */ | |
909 | ||
910 | after_bfd = get_pos_bfd(&inarch->next, pos_end); | |
911 | temp = *after_bfd; | |
912 | *after_bfd = bfd_openr(*files_to_move, NULL); | |
913 | if (*after_bfd == (bfd *) NULL) { | |
914 | fprintf(stderr, "Can't open file %s\n", *files_to_move); | |
915 | exit(1); | |
916 | } | |
ab01cf22 DHW |
917 | #ifdef GNU960 |
918 | gnu960_verify_target(*after_bfd); /* Exits on failure */ | |
919 | #endif | |
2fa0b342 DHW |
920 | if (verbose) { |
921 | printf("c - %s\n", *files_to_move); | |
922 | } | |
923 | ||
924 | (*after_bfd)->next = temp; | |
925 | ||
926 | next_file:; | |
927 | ||
928 | files_to_move++; | |
929 | } | |
930 | ||
931 | ||
932 | write_archive(); | |
933 | } | |
934 | ||
935 | void | |
936 | ranlib_only(archname) | |
937 | char *archname; | |
938 | { | |
939 | write_armap = true; | |
940 | open_inarch(archname); | |
941 | write_archive(); | |
942 | exit(0); | |
943 | } | |
ab01cf22 DHW |
944 | |
945 |