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1 | /* arsup.c - Archive support for MRI compatibility | |
2 | Copyright (C) 1992-2019 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 | ||
21 | ||
22 | /* Contributed by Steve Chamberlain | |
23 | sac@cygnus.com | |
24 | ||
25 | This file looks after requests from arparse.y, to provide the MRI | |
26 | style librarian command syntax + 1 word LIST. */ | |
27 | ||
28 | #include "sysdep.h" | |
29 | #include "bfd.h" | |
30 | #include "libiberty.h" | |
31 | #include "filenames.h" | |
32 | #include "bucomm.h" | |
33 | #include "arsup.h" | |
34 | ||
35 | static void map_over_list | |
36 | (bfd *, void (*function) (bfd *, bfd *), struct list *); | |
37 | static void ar_directory_doer (bfd *, bfd *); | |
38 | static void ar_addlib_doer (bfd *, bfd *); | |
39 | ||
40 | extern int verbose; | |
41 | extern int deterministic; | |
42 | ||
43 | static bfd *obfd; | |
44 | static char *real_name; | |
45 | static FILE *outfile; | |
46 | ||
47 | static void | |
48 | map_over_list (bfd *arch, void (*function) (bfd *, bfd *), struct list *list) | |
49 | { | |
50 | bfd *head; | |
51 | ||
52 | if (list == NULL) | |
53 | { | |
54 | bfd *next; | |
55 | ||
56 | head = arch->archive_next; | |
57 | while (head != NULL) | |
58 | { | |
59 | next = head->archive_next; | |
60 | function (head, (bfd *) NULL); | |
61 | head = next; | |
62 | } | |
63 | } | |
64 | else | |
65 | { | |
66 | struct list *ptr; | |
67 | ||
68 | /* This may appear to be a baroque way of accomplishing what we | |
69 | want. however we have to iterate over the filenames in order | |
70 | to notice where a filename is requested but does not exist in | |
71 | the archive. Ditto mapping over each file each time -- we | |
72 | want to hack multiple references. */ | |
73 | for (ptr = list; ptr; ptr = ptr->next) | |
74 | { | |
75 | bfd_boolean found = FALSE; | |
76 | bfd *prev = arch; | |
77 | ||
78 | for (head = arch->archive_next; head; head = head->archive_next) | |
79 | { | |
80 | if (head->filename != NULL | |
81 | && FILENAME_CMP (ptr->name, head->filename) == 0) | |
82 | { | |
83 | found = TRUE; | |
84 | function (head, prev); | |
85 | } | |
86 | prev = head; | |
87 | } | |
88 | if (! found) | |
89 | fprintf (stderr, _("No entry %s in archive.\n"), ptr->name); | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
94 | ||
95 | ||
96 | static void | |
97 | ar_directory_doer (bfd *abfd, bfd *ignore ATTRIBUTE_UNUSED) | |
98 | { | |
99 | print_arelt_descr(outfile, abfd, verbose, FALSE); | |
100 | } | |
101 | ||
102 | void | |
103 | ar_directory (char *ar_name, struct list *list, char *output) | |
104 | { | |
105 | bfd *arch; | |
106 | ||
107 | arch = open_inarch (ar_name, (char *) NULL); | |
108 | if (output) | |
109 | { | |
110 | outfile = fopen(output,"w"); | |
111 | if (outfile == 0) | |
112 | { | |
113 | outfile = stdout; | |
114 | fprintf (stderr,_("Can't open file %s\n"), output); | |
115 | output = 0; | |
116 | } | |
117 | } | |
118 | else | |
119 | outfile = stdout; | |
120 | ||
121 | map_over_list (arch, ar_directory_doer, list); | |
122 | ||
123 | bfd_close (arch); | |
124 | ||
125 | if (output) | |
126 | fclose (outfile); | |
127 | } | |
128 | ||
129 | void | |
130 | prompt (void) | |
131 | { | |
132 | extern int interactive; | |
133 | ||
134 | if (interactive) | |
135 | { | |
136 | printf ("AR >"); | |
137 | fflush (stdout); | |
138 | } | |
139 | } | |
140 | ||
141 | void | |
142 | maybequit (void) | |
143 | { | |
144 | if (! interactive) | |
145 | xexit (9); | |
146 | } | |
147 | ||
148 | ||
149 | void | |
150 | ar_open (char *name, int t) | |
151 | { | |
152 | char *tname; | |
153 | const char *bname = lbasename (name); | |
154 | real_name = name; | |
155 | ||
156 | /* Prepend tmp- to the beginning, to avoid file-name clashes after | |
157 | truncation on filesystems with limited namespaces (DOS). */ | |
158 | if (asprintf (&tname, "%.*stmp-%s", (int) (bname - name), name, bname) == -1) | |
159 | { | |
160 | fprintf (stderr, _("%s: Can't allocate memory for temp name (%s)\n"), | |
161 | program_name, strerror(errno)); | |
162 | maybequit (); | |
163 | return; | |
164 | } | |
165 | ||
166 | obfd = bfd_openw (tname, NULL); | |
167 | ||
168 | if (!obfd) | |
169 | { | |
170 | fprintf (stderr, | |
171 | _("%s: Can't open output archive %s\n"), | |
172 | program_name, tname); | |
173 | ||
174 | maybequit (); | |
175 | } | |
176 | else | |
177 | { | |
178 | if (!t) | |
179 | { | |
180 | bfd **ptr; | |
181 | bfd *element; | |
182 | bfd *ibfd; | |
183 | ||
184 | ibfd = bfd_openr (name, NULL); | |
185 | ||
186 | if (!ibfd) | |
187 | { | |
188 | fprintf (stderr,_("%s: Can't open input archive %s\n"), | |
189 | program_name, name); | |
190 | maybequit (); | |
191 | return; | |
192 | } | |
193 | ||
194 | if (!bfd_check_format(ibfd, bfd_archive)) | |
195 | { | |
196 | fprintf (stderr, | |
197 | _("%s: file %s is not an archive\n"), | |
198 | program_name, name); | |
199 | maybequit (); | |
200 | return; | |
201 | } | |
202 | ||
203 | ptr = &(obfd->archive_head); | |
204 | element = bfd_openr_next_archived_file (ibfd, NULL); | |
205 | ||
206 | while (element) | |
207 | { | |
208 | *ptr = element; | |
209 | ptr = &element->archive_next; | |
210 | element = bfd_openr_next_archived_file (ibfd, element); | |
211 | } | |
212 | } | |
213 | ||
214 | bfd_set_format (obfd, bfd_archive); | |
215 | ||
216 | obfd->has_armap = 1; | |
217 | obfd->is_thin_archive = 0; | |
218 | } | |
219 | } | |
220 | ||
221 | static void | |
222 | ar_addlib_doer (bfd *abfd, bfd *prev) | |
223 | { | |
224 | /* Add this module to the output bfd. */ | |
225 | if (prev != NULL) | |
226 | prev->archive_next = abfd->archive_next; | |
227 | ||
228 | abfd->archive_next = obfd->archive_head; | |
229 | obfd->archive_head = abfd; | |
230 | } | |
231 | ||
232 | void | |
233 | ar_addlib (char *name, struct list *list) | |
234 | { | |
235 | if (obfd == NULL) | |
236 | { | |
237 | fprintf (stderr, _("%s: no output archive specified yet\n"), program_name); | |
238 | maybequit (); | |
239 | } | |
240 | else | |
241 | { | |
242 | bfd *arch; | |
243 | ||
244 | arch = open_inarch (name, (char *) NULL); | |
245 | if (arch != NULL) | |
246 | map_over_list (arch, ar_addlib_doer, list); | |
247 | ||
248 | /* Don't close the bfd, since it will make the elements disappear. */ | |
249 | } | |
250 | } | |
251 | ||
252 | void | |
253 | ar_addmod (struct list *list) | |
254 | { | |
255 | if (!obfd) | |
256 | { | |
257 | fprintf (stderr, _("%s: no open output archive\n"), program_name); | |
258 | maybequit (); | |
259 | } | |
260 | else | |
261 | { | |
262 | while (list) | |
263 | { | |
264 | bfd *abfd; | |
265 | ||
266 | #if BFD_SUPPORTS_PLUGINS | |
267 | abfd = bfd_openr (list->name, "plugin"); | |
268 | #else | |
269 | abfd = bfd_openr (list->name, NULL); | |
270 | #endif | |
271 | if (!abfd) | |
272 | { | |
273 | fprintf (stderr, _("%s: can't open file %s\n"), | |
274 | program_name, list->name); | |
275 | maybequit (); | |
276 | } | |
277 | else | |
278 | { | |
279 | abfd->archive_next = obfd->archive_head; | |
280 | obfd->archive_head = abfd; | |
281 | } | |
282 | list = list->next; | |
283 | } | |
284 | } | |
285 | } | |
286 | ||
287 | ||
288 | void | |
289 | ar_clear (void) | |
290 | { | |
291 | if (obfd) | |
292 | obfd->archive_head = 0; | |
293 | } | |
294 | ||
295 | void | |
296 | ar_delete (struct list *list) | |
297 | { | |
298 | if (!obfd) | |
299 | { | |
300 | fprintf (stderr, _("%s: no open output archive\n"), program_name); | |
301 | maybequit (); | |
302 | } | |
303 | else | |
304 | { | |
305 | while (list) | |
306 | { | |
307 | /* Find this name in the archive. */ | |
308 | bfd *member = obfd->archive_head; | |
309 | bfd **prev = &(obfd->archive_head); | |
310 | int found = 0; | |
311 | ||
312 | while (member) | |
313 | { | |
314 | if (FILENAME_CMP(member->filename, list->name) == 0) | |
315 | { | |
316 | *prev = member->archive_next; | |
317 | found = 1; | |
318 | } | |
319 | else | |
320 | prev = &(member->archive_next); | |
321 | ||
322 | member = member->archive_next; | |
323 | } | |
324 | ||
325 | if (!found) | |
326 | { | |
327 | fprintf (stderr, _("%s: can't find module file %s\n"), | |
328 | program_name, list->name); | |
329 | maybequit (); | |
330 | } | |
331 | ||
332 | list = list->next; | |
333 | } | |
334 | } | |
335 | } | |
336 | ||
337 | void | |
338 | ar_save (void) | |
339 | { | |
340 | if (!obfd) | |
341 | { | |
342 | fprintf (stderr, _("%s: no open output archive\n"), program_name); | |
343 | maybequit (); | |
344 | } | |
345 | else | |
346 | { | |
347 | char *ofilename = xstrdup (bfd_get_filename (obfd)); | |
348 | ||
349 | if (deterministic > 0) | |
350 | obfd->flags |= BFD_DETERMINISTIC_OUTPUT; | |
351 | ||
352 | bfd_close (obfd); | |
353 | ||
354 | smart_rename (ofilename, real_name, 0); | |
355 | obfd = 0; | |
356 | free (ofilename); | |
357 | } | |
358 | } | |
359 | ||
360 | void | |
361 | ar_replace (struct list *list) | |
362 | { | |
363 | if (!obfd) | |
364 | { | |
365 | fprintf (stderr, _("%s: no open output archive\n"), program_name); | |
366 | maybequit (); | |
367 | } | |
368 | else | |
369 | { | |
370 | while (list) | |
371 | { | |
372 | /* Find this name in the archive. */ | |
373 | bfd *member = obfd->archive_head; | |
374 | bfd **prev = &(obfd->archive_head); | |
375 | int found = 0; | |
376 | ||
377 | while (member) | |
378 | { | |
379 | if (FILENAME_CMP (member->filename, list->name) == 0) | |
380 | { | |
381 | /* Found the one to replace. */ | |
382 | bfd *abfd = bfd_openr (list->name, NULL); | |
383 | ||
384 | if (!abfd) | |
385 | { | |
386 | fprintf (stderr, _("%s: can't open file %s\n"), | |
387 | program_name, list->name); | |
388 | maybequit (); | |
389 | } | |
390 | else | |
391 | { | |
392 | *prev = abfd; | |
393 | abfd->archive_next = member->archive_next; | |
394 | found = 1; | |
395 | } | |
396 | } | |
397 | else | |
398 | { | |
399 | prev = &(member->archive_next); | |
400 | } | |
401 | member = member->archive_next; | |
402 | } | |
403 | ||
404 | if (!found) | |
405 | { | |
406 | bfd *abfd = bfd_openr (list->name, NULL); | |
407 | ||
408 | fprintf (stderr,_("%s: can't find module file %s\n"), | |
409 | program_name, list->name); | |
410 | if (!abfd) | |
411 | { | |
412 | fprintf (stderr, _("%s: can't open file %s\n"), | |
413 | program_name, list->name); | |
414 | maybequit (); | |
415 | } | |
416 | else | |
417 | *prev = abfd; | |
418 | } | |
419 | ||
420 | list = list->next; | |
421 | } | |
422 | } | |
423 | } | |
424 | ||
425 | /* And I added this one. */ | |
426 | void | |
427 | ar_list (void) | |
428 | { | |
429 | if (!obfd) | |
430 | { | |
431 | fprintf (stderr, _("%s: no open output archive\n"), program_name); | |
432 | maybequit (); | |
433 | } | |
434 | else | |
435 | { | |
436 | bfd *abfd; | |
437 | ||
438 | outfile = stdout; | |
439 | verbose =1 ; | |
440 | printf (_("Current open archive is %s\n"), bfd_get_filename (obfd)); | |
441 | ||
442 | for (abfd = obfd->archive_head; | |
443 | abfd != (bfd *)NULL; | |
444 | abfd = abfd->archive_next) | |
445 | ar_directory_doer (abfd, (bfd *) NULL); | |
446 | } | |
447 | } | |
448 | ||
449 | void | |
450 | ar_end (void) | |
451 | { | |
452 | if (obfd) | |
453 | { | |
454 | bfd_cache_close (obfd); | |
455 | unlink (bfd_get_filename (obfd)); | |
456 | } | |
457 | } | |
458 | ||
459 | void | |
460 | ar_extract (struct list *list) | |
461 | { | |
462 | if (!obfd) | |
463 | { | |
464 | fprintf (stderr, _("%s: no open archive\n"), program_name); | |
465 | maybequit (); | |
466 | } | |
467 | else | |
468 | { | |
469 | while (list) | |
470 | { | |
471 | /* Find this name in the archive. */ | |
472 | bfd *member = obfd->archive_head; | |
473 | int found = 0; | |
474 | ||
475 | while (member && !found) | |
476 | { | |
477 | if (FILENAME_CMP (member->filename, list->name) == 0) | |
478 | { | |
479 | extract_file (member); | |
480 | found = 1; | |
481 | } | |
482 | ||
483 | member = member->archive_next; | |
484 | } | |
485 | ||
486 | if (!found) | |
487 | { | |
488 | bfd_openr (list->name, NULL); | |
489 | fprintf (stderr, _("%s: can't find module file %s\n"), | |
490 | program_name, list->name); | |
491 | } | |
492 | ||
493 | list = list->next; | |
494 | } | |
495 | } | |
496 | } |