Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* bucomm.c -- Bin Utils COMmon code. |
485be063 | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, |
aa820537 | 3 | 2003, 2005, 2006, 2007, 2008, 2009 |
37cc8ec1 | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | |
6 | This file is part of GNU Binutils. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
32866df7 | 10 | the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
b43b5d5f NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
22 | \f |
23 | /* We might put this in a library someday so it could be dynamically | |
24 | loaded, but for now it's not necessary. */ | |
25 | ||
3db64b00 | 26 | #include "sysdep.h" |
252b5132 RH |
27 | #include "bfd.h" |
28 | #include "libiberty.h" | |
5af11cab | 29 | #include "filenames.h" |
06d86cf7 | 30 | #include "libbfd.h" |
252b5132 RH |
31 | |
32 | #include <sys/stat.h> | |
33 | #include <time.h> /* ctime, maybe time_t */ | |
77f762d6 | 34 | #include <assert.h> |
3db64b00 | 35 | #include "bucomm.h" |
252b5132 RH |
36 | |
37 | #ifndef HAVE_TIME_T_IN_TIME_H | |
38 | #ifndef HAVE_TIME_T_IN_TYPES_H | |
39 | typedef long time_t; | |
40 | #endif | |
41 | #endif | |
06d86cf7 | 42 | |
2da42df6 AJ |
43 | static const char * endian_string (enum bfd_endian); |
44 | static int display_target_list (void); | |
45 | static int display_info_table (int, int); | |
46 | static int display_target_tables (void); | |
252b5132 | 47 | \f |
06d86cf7 | 48 | /* Error reporting. */ |
252b5132 RH |
49 | |
50 | char *program_name; | |
51 | ||
52 | void | |
2da42df6 | 53 | bfd_nonfatal (const char *string) |
252b5132 | 54 | { |
b1f88ebe | 55 | const char *errmsg = bfd_errmsg (bfd_get_error ()); |
252b5132 RH |
56 | |
57 | if (string) | |
58 | fprintf (stderr, "%s: %s: %s\n", program_name, string, errmsg); | |
59 | else | |
60 | fprintf (stderr, "%s: %s\n", program_name, errmsg); | |
61 | } | |
62 | ||
2db6cde7 NS |
63 | /* Issue a non fatal error message. FILENAME, or if NULL then BFD, |
64 | are used to indicate the problematic file. SECTION, if non NULL, | |
65 | is used to provide a section name. If FORMAT is non-null, then it | |
66 | is used to print additional information via vfprintf. Finally the | |
67 | bfd error message is printed. In summary, error messages are of | |
68 | one of the following forms: | |
69 | ||
70 | PROGRAM:file: bfd-error-message | |
71 | PROGRAM:file[section]: bfd-error-message | |
72 | PROGRAM:file: printf-message: bfd-error-message | |
91d6fa6a | 73 | PROGRAM:file[section]: printf-message: bfd-error-message. */ |
2db6cde7 NS |
74 | |
75 | void | |
76 | bfd_nonfatal_message (const char *filename, | |
91d6fa6a NC |
77 | const bfd *abfd, |
78 | const asection *section, | |
2db6cde7 NS |
79 | const char *format, ...) |
80 | { | |
81 | const char *errmsg = bfd_errmsg (bfd_get_error ()); | |
82 | const char *section_name = NULL; | |
83 | va_list args; | |
84 | ||
85 | va_start (args, format); | |
86 | fprintf (stderr, "%s", program_name); | |
87 | ||
91d6fa6a | 88 | if (abfd) |
2db6cde7 NS |
89 | { |
90 | if (!filename) | |
91d6fa6a | 91 | filename = bfd_get_archive_filename (abfd); |
2db6cde7 | 92 | if (section) |
91d6fa6a | 93 | section_name = bfd_get_section_name (abfd, section); |
2db6cde7 NS |
94 | } |
95 | if (section_name) | |
96 | fprintf (stderr, ":%s[%s]", filename, section_name); | |
97 | else | |
98 | fprintf (stderr, ":%s", filename); | |
99 | ||
100 | if (format) | |
101 | { | |
102 | fprintf (stderr, ": "); | |
103 | vfprintf (stderr, format, args); | |
104 | } | |
105 | fprintf (stderr, ": %s\n", errmsg); | |
106 | va_end (args); | |
107 | } | |
108 | ||
252b5132 | 109 | void |
2da42df6 | 110 | bfd_fatal (const char *string) |
252b5132 RH |
111 | { |
112 | bfd_nonfatal (string); | |
113 | xexit (1); | |
114 | } | |
115 | ||
cba12006 | 116 | void |
2da42df6 | 117 | report (const char * format, va_list args) |
252b5132 RH |
118 | { |
119 | fprintf (stderr, "%s: ", program_name); | |
120 | vfprintf (stderr, format, args); | |
121 | putc ('\n', stderr); | |
122 | } | |
123 | ||
252b5132 | 124 | void |
451dad9c | 125 | fatal VPARAMS ((const char *format, ...)) |
252b5132 | 126 | { |
451dad9c AM |
127 | VA_OPEN (args, format); |
128 | VA_FIXEDARG (args, const char *, format); | |
252b5132 | 129 | |
252b5132 | 130 | report (format, args); |
451dad9c | 131 | VA_CLOSE (args); |
252b5132 RH |
132 | xexit (1); |
133 | } | |
134 | ||
135 | void | |
451dad9c | 136 | non_fatal VPARAMS ((const char *format, ...)) |
252b5132 | 137 | { |
451dad9c AM |
138 | VA_OPEN (args, format); |
139 | VA_FIXEDARG (args, const char *, format); | |
252b5132 | 140 | |
252b5132 | 141 | report (format, args); |
451dad9c | 142 | VA_CLOSE (args); |
252b5132 | 143 | } |
252b5132 RH |
144 | |
145 | /* Set the default BFD target based on the configured target. Doing | |
146 | this permits the binutils to be configured for a particular target, | |
147 | and linked against a shared BFD library which was configured for a | |
148 | different target. */ | |
149 | ||
150 | void | |
2da42df6 | 151 | set_default_bfd_target (void) |
252b5132 RH |
152 | { |
153 | /* The macro TARGET is defined by Makefile. */ | |
154 | const char *target = TARGET; | |
155 | ||
156 | if (! bfd_set_default_target (target)) | |
157 | fatal (_("can't set BFD default target to `%s': %s"), | |
158 | target, bfd_errmsg (bfd_get_error ())); | |
159 | } | |
160 | ||
b34976b6 | 161 | /* After a FALSE return from bfd_check_format_matches with |
252b5132 RH |
162 | bfd_get_error () == bfd_error_file_ambiguously_recognized, print |
163 | the possible matching targets. */ | |
164 | ||
165 | void | |
2da42df6 | 166 | list_matching_formats (char **p) |
252b5132 RH |
167 | { |
168 | fprintf (stderr, _("%s: Matching formats:"), program_name); | |
169 | while (*p) | |
170 | fprintf (stderr, " %s", *p++); | |
171 | fputc ('\n', stderr); | |
172 | } | |
173 | ||
174 | /* List the supported targets. */ | |
175 | ||
176 | void | |
2da42df6 | 177 | list_supported_targets (const char *name, FILE *f) |
252b5132 | 178 | { |
252b5132 | 179 | int t; |
48417c1a | 180 | const char **targ_names = bfd_target_list (); |
252b5132 RH |
181 | |
182 | if (name == NULL) | |
183 | fprintf (f, _("Supported targets:")); | |
184 | else | |
185 | fprintf (f, _("%s: supported targets:"), name); | |
48417c1a AM |
186 | |
187 | for (t = 0; targ_names[t] != NULL; t++) | |
188 | fprintf (f, " %s", targ_names[t]); | |
252b5132 | 189 | fprintf (f, "\n"); |
48417c1a | 190 | free (targ_names); |
252b5132 | 191 | } |
2f83960e AM |
192 | |
193 | /* List the supported architectures. */ | |
194 | ||
195 | void | |
2da42df6 | 196 | list_supported_architectures (const char *name, FILE *f) |
2f83960e | 197 | { |
d25576aa NC |
198 | const char ** arch; |
199 | const char ** arches; | |
2f83960e AM |
200 | |
201 | if (name == NULL) | |
202 | fprintf (f, _("Supported architectures:")); | |
203 | else | |
204 | fprintf (f, _("%s: supported architectures:"), name); | |
205 | ||
d25576aa | 206 | for (arch = arches = bfd_arch_list (); *arch; arch++) |
2f83960e AM |
207 | fprintf (f, " %s", *arch); |
208 | fprintf (f, "\n"); | |
d25576aa | 209 | free (arches); |
2f83960e | 210 | } |
252b5132 | 211 | \f |
06d86cf7 NC |
212 | /* The length of the longest architecture name + 1. */ |
213 | #define LONGEST_ARCH sizeof ("powerpc:common") | |
214 | ||
215 | static const char * | |
2da42df6 | 216 | endian_string (enum bfd_endian endian) |
06d86cf7 NC |
217 | { |
218 | switch (endian) | |
219 | { | |
220 | case BFD_ENDIAN_BIG: return "big endian"; | |
221 | case BFD_ENDIAN_LITTLE: return "little endian"; | |
222 | default: return "endianness unknown"; | |
223 | } | |
224 | } | |
225 | ||
226 | /* List the targets that BFD is configured to support, each followed | |
227 | by its endianness and the architectures it supports. */ | |
228 | ||
229 | static int | |
2da42df6 | 230 | display_target_list (void) |
06d86cf7 NC |
231 | { |
232 | char *dummy_name; | |
233 | int t; | |
234 | int ret = 1; | |
235 | ||
236 | dummy_name = make_temp_file (NULL); | |
237 | for (t = 0; bfd_target_vector[t]; t++) | |
238 | { | |
239 | const bfd_target *p = bfd_target_vector[t]; | |
240 | bfd *abfd = bfd_openw (dummy_name, p->name); | |
3f5e193b | 241 | int a; |
06d86cf7 NC |
242 | |
243 | printf ("%s\n (header %s, data %s)\n", p->name, | |
244 | endian_string (p->header_byteorder), | |
245 | endian_string (p->byteorder)); | |
246 | ||
247 | if (abfd == NULL) | |
248 | { | |
249 | bfd_nonfatal (dummy_name); | |
250 | ret = 0; | |
251 | continue; | |
252 | } | |
253 | ||
254 | if (! bfd_set_format (abfd, bfd_object)) | |
255 | { | |
256 | if (bfd_get_error () != bfd_error_invalid_operation) | |
257 | { | |
258 | bfd_nonfatal (p->name); | |
259 | ret = 0; | |
260 | } | |
261 | bfd_close_all_done (abfd); | |
262 | continue; | |
263 | } | |
264 | ||
91610c0c | 265 | for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) |
06d86cf7 NC |
266 | if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) |
267 | printf (" %s\n", | |
268 | bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); | |
269 | bfd_close_all_done (abfd); | |
270 | } | |
271 | unlink (dummy_name); | |
272 | free (dummy_name); | |
273 | ||
274 | return ret; | |
275 | } | |
276 | ||
277 | /* Print a table showing which architectures are supported for entries | |
278 | FIRST through LAST-1 of bfd_target_vector (targets across, | |
279 | architectures down). */ | |
280 | ||
281 | static int | |
2da42df6 | 282 | display_info_table (int first, int last) |
06d86cf7 NC |
283 | { |
284 | int t; | |
06d86cf7 NC |
285 | int ret = 1; |
286 | char *dummy_name; | |
3f5e193b | 287 | int a; |
06d86cf7 NC |
288 | |
289 | /* Print heading of target names. */ | |
290 | printf ("\n%*s", (int) LONGEST_ARCH, " "); | |
291 | for (t = first; t < last && bfd_target_vector[t]; t++) | |
292 | printf ("%s ", bfd_target_vector[t]->name); | |
293 | putchar ('\n'); | |
294 | ||
295 | dummy_name = make_temp_file (NULL); | |
91610c0c | 296 | for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++) |
3f5e193b NC |
297 | if (strcmp (bfd_printable_arch_mach ((enum bfd_architecture) a, 0), |
298 | "UNKNOWN!") != 0) | |
06d86cf7 NC |
299 | { |
300 | printf ("%*s ", (int) LONGEST_ARCH - 1, | |
3f5e193b | 301 | bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); |
06d86cf7 NC |
302 | for (t = first; t < last && bfd_target_vector[t]; t++) |
303 | { | |
304 | const bfd_target *p = bfd_target_vector[t]; | |
305 | bfd_boolean ok = TRUE; | |
306 | bfd *abfd = bfd_openw (dummy_name, p->name); | |
307 | ||
308 | if (abfd == NULL) | |
309 | { | |
310 | bfd_nonfatal (p->name); | |
311 | ret = 0; | |
312 | ok = FALSE; | |
313 | } | |
314 | ||
315 | if (ok) | |
316 | { | |
317 | if (! bfd_set_format (abfd, bfd_object)) | |
318 | { | |
319 | if (bfd_get_error () != bfd_error_invalid_operation) | |
320 | { | |
321 | bfd_nonfatal (p->name); | |
322 | ret = 0; | |
323 | } | |
324 | ok = FALSE; | |
325 | } | |
326 | } | |
327 | ||
328 | if (ok) | |
329 | { | |
3f5e193b | 330 | if (! bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) |
06d86cf7 NC |
331 | ok = FALSE; |
332 | } | |
333 | ||
334 | if (ok) | |
335 | printf ("%s ", p->name); | |
336 | else | |
337 | { | |
338 | int l = strlen (p->name); | |
339 | while (l--) | |
340 | putchar ('-'); | |
341 | putchar (' '); | |
342 | } | |
343 | if (abfd != NULL) | |
344 | bfd_close_all_done (abfd); | |
345 | } | |
346 | putchar ('\n'); | |
347 | } | |
348 | unlink (dummy_name); | |
349 | free (dummy_name); | |
350 | ||
351 | return ret; | |
352 | } | |
353 | ||
354 | /* Print tables of all the target-architecture combinations that | |
355 | BFD has been configured to support. */ | |
356 | ||
357 | static int | |
2da42df6 | 358 | display_target_tables (void) |
06d86cf7 NC |
359 | { |
360 | int t; | |
361 | int columns; | |
362 | int ret = 1; | |
363 | char *colum; | |
364 | ||
365 | columns = 0; | |
366 | colum = getenv ("COLUMNS"); | |
367 | if (colum != NULL) | |
368 | columns = atoi (colum); | |
369 | if (columns == 0) | |
370 | columns = 80; | |
371 | ||
372 | t = 0; | |
373 | while (bfd_target_vector[t] != NULL) | |
374 | { | |
375 | int oldt = t, wid; | |
376 | ||
377 | wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1; | |
378 | ++t; | |
379 | while (wid < columns && bfd_target_vector[t] != NULL) | |
380 | { | |
381 | int newwid; | |
382 | ||
383 | newwid = wid + strlen (bfd_target_vector[t]->name) + 1; | |
384 | if (newwid >= columns) | |
385 | break; | |
386 | wid = newwid; | |
387 | ++t; | |
388 | } | |
389 | if (! display_info_table (oldt, t)) | |
390 | ret = 0; | |
391 | } | |
392 | ||
393 | return ret; | |
394 | } | |
395 | ||
396 | int | |
2da42df6 | 397 | display_info (void) |
06d86cf7 NC |
398 | { |
399 | printf (_("BFD header file version %s\n"), BFD_VERSION_STRING); | |
400 | if (! display_target_list () || ! display_target_tables ()) | |
401 | return 1; | |
402 | else | |
403 | return 0; | |
404 | } | |
405 | \f | |
252b5132 RH |
406 | /* Display the archive header for an element as if it were an ls -l listing: |
407 | ||
408 | Mode User\tGroup\tSize\tDate Name */ | |
409 | ||
410 | void | |
2da42df6 | 411 | print_arelt_descr (FILE *file, bfd *abfd, bfd_boolean verbose) |
252b5132 RH |
412 | { |
413 | struct stat buf; | |
414 | ||
415 | if (verbose) | |
416 | { | |
417 | if (bfd_stat_arch_elt (abfd, &buf) == 0) | |
418 | { | |
419 | char modebuf[11]; | |
420 | char timebuf[40]; | |
421 | time_t when = buf.st_mtime; | |
b1f88ebe | 422 | const char *ctime_result = (const char *) ctime (&when); |
252b5132 RH |
423 | |
424 | /* POSIX format: skip weekday and seconds from ctime output. */ | |
425 | sprintf (timebuf, "%.12s %.4s", ctime_result + 4, ctime_result + 20); | |
426 | ||
427 | mode_string (buf.st_mode, modebuf); | |
428 | modebuf[10] = '\0'; | |
429 | /* POSIX 1003.2/D11 says to skip first character (entry type). */ | |
430 | fprintf (file, "%s %ld/%ld %6ld %s ", modebuf + 1, | |
431 | (long) buf.st_uid, (long) buf.st_gid, | |
432 | (long) buf.st_size, timebuf); | |
433 | } | |
434 | } | |
435 | ||
436 | fprintf (file, "%s\n", bfd_get_filename (abfd)); | |
437 | } | |
438 | ||
485be063 AM |
439 | /* Return a path for a new temporary file in the same directory |
440 | as file PATH. */ | |
252b5132 | 441 | |
485be063 AM |
442 | static char * |
443 | template_in_dir (const char *path) | |
252b5132 | 444 | { |
485be063 | 445 | #define template "stXXXXXX" |
2946671e | 446 | const char *slash = strrchr (path, '/'); |
252b5132 | 447 | char *tmpname; |
485be063 | 448 | size_t len; |
252b5132 | 449 | |
5af11cab AM |
450 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
451 | { | |
452 | /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ | |
485be063 | 453 | char *bslash = strrchr (path, '\\'); |
f9c026a8 | 454 | |
2ab47eed | 455 | if (slash == NULL || (bslash != NULL && bslash > slash)) |
5af11cab | 456 | slash = bslash; |
485be063 | 457 | if (slash == NULL && path[0] != '\0' && path[1] == ':') |
2946671e | 458 | slash = path + 1; |
5af11cab | 459 | } |
252b5132 RH |
460 | #endif |
461 | ||
462 | if (slash != (char *) NULL) | |
463 | { | |
485be063 | 464 | len = slash - path; |
3f5e193b | 465 | tmpname = (char *) xmalloc (len + sizeof (template) + 2); |
485be063 | 466 | memcpy (tmpname, path, len); |
252b5132 | 467 | |
5af11cab AM |
468 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
469 | /* If tmpname is "X:", appending a slash will make it a root | |
470 | directory on drive X, which is NOT the same as the current | |
471 | directory on drive X. */ | |
485be063 AM |
472 | if (len == 2 && tmpname[1] == ':') |
473 | tmpname[len++] = '.'; | |
5af11cab | 474 | #endif |
485be063 | 475 | tmpname[len++] = '/'; |
252b5132 RH |
476 | } |
477 | else | |
478 | { | |
3f5e193b | 479 | tmpname = (char *) xmalloc (sizeof (template)); |
485be063 | 480 | len = 0; |
f9c026a8 | 481 | } |
485be063 AM |
482 | |
483 | memcpy (tmpname + len, template, sizeof (template)); | |
484 | return tmpname; | |
485 | #undef template | |
486 | } | |
487 | ||
488 | /* Return the name of a created temporary file in the same directory | |
489 | as FILENAME. */ | |
490 | ||
491 | char * | |
492 | make_tempname (char *filename) | |
493 | { | |
494 | char *tmpname = template_in_dir (filename); | |
495 | int fd; | |
496 | ||
497 | #ifdef HAVE_MKSTEMP | |
498 | fd = mkstemp (tmpname); | |
499 | #else | |
500 | tmpname = mktemp (tmpname); | |
501 | if (tmpname == NULL) | |
f9c026a8 | 502 | return NULL; |
485be063 | 503 | fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); |
f9c026a8 | 504 | #endif |
485be063 AM |
505 | if (fd == -1) |
506 | return NULL; | |
507 | close (fd); | |
f9c026a8 NC |
508 | return tmpname; |
509 | } | |
510 | ||
485be063 AM |
511 | /* Return the name of a created temporary directory inside the |
512 | directory containing FILENAME. */ | |
f9c026a8 NC |
513 | |
514 | char * | |
515 | make_tempdir (char *filename) | |
516 | { | |
485be063 | 517 | char *tmpname = template_in_dir (filename); |
f9c026a8 | 518 | |
485be063 AM |
519 | #ifdef HAVE_MKDTEMP |
520 | return mkdtemp (tmpname); | |
521 | #else | |
522 | tmpname = mktemp (tmpname); | |
523 | if (tmpname == NULL) | |
524 | return NULL; | |
525 | #if defined (_WIN32) && !defined (__CYGWIN32__) | |
526 | if (mkdir (tmpname) != 0) | |
527 | return NULL; | |
528 | #else | |
529 | if (mkdir (tmpname, 0700) != 0) | |
530 | return NULL; | |
f9c026a8 | 531 | #endif |
252b5132 | 532 | return tmpname; |
485be063 | 533 | #endif |
252b5132 RH |
534 | } |
535 | ||
536 | /* Parse a string into a VMA, with a fatal error if it can't be | |
537 | parsed. */ | |
538 | ||
539 | bfd_vma | |
2da42df6 | 540 | parse_vma (const char *s, const char *arg) |
252b5132 RH |
541 | { |
542 | bfd_vma ret; | |
543 | const char *end; | |
544 | ||
545 | ret = bfd_scan_vma (s, &end, 0); | |
f462a9ea | 546 | |
252b5132 RH |
547 | if (*end != '\0') |
548 | fatal (_("%s: bad number: %s"), arg, s); | |
549 | ||
550 | return ret; | |
551 | } | |
f24ddbdd NC |
552 | |
553 | /* Returns the size of the named file. If the file does not | |
554 | exist, or if it is not a real file, then a suitable non-fatal | |
a3029abd | 555 | error message is printed and (off_t) -1 is returned. */ |
f24ddbdd NC |
556 | |
557 | off_t | |
558 | get_file_size (const char * file_name) | |
559 | { | |
560 | struct stat statbuf; | |
561 | ||
562 | if (stat (file_name, &statbuf) < 0) | |
563 | { | |
564 | if (errno == ENOENT) | |
565 | non_fatal (_("'%s': No such file"), file_name); | |
566 | else | |
567 | non_fatal (_("Warning: could not locate '%s'. reason: %s"), | |
568 | file_name, strerror (errno)); | |
569 | } | |
570 | else if (! S_ISREG (statbuf.st_mode)) | |
571 | non_fatal (_("Warning: '%s' is not an ordinary file"), file_name); | |
572 | else | |
573 | return statbuf.st_size; | |
574 | ||
52a476ee | 575 | return (off_t) -1; |
f24ddbdd | 576 | } |
77f762d6 L |
577 | |
578 | /* Return the filename in a static buffer. */ | |
579 | ||
580 | const char * | |
8d8e0703 | 581 | bfd_get_archive_filename (const bfd *abfd) |
77f762d6 L |
582 | { |
583 | static size_t curr = 0; | |
584 | static char *buf; | |
585 | size_t needed; | |
586 | ||
587 | assert (abfd != NULL); | |
588 | ||
589 | if (!abfd->my_archive) | |
590 | return bfd_get_filename (abfd); | |
591 | ||
592 | needed = (strlen (bfd_get_filename (abfd->my_archive)) | |
593 | + strlen (bfd_get_filename (abfd)) + 3); | |
594 | if (needed > curr) | |
595 | { | |
596 | if (curr) | |
597 | free (buf); | |
598 | curr = needed + (needed >> 1); | |
3f5e193b | 599 | buf = (char *) bfd_malloc (curr); |
77f762d6 L |
600 | /* If we can't malloc, fail safe by returning just the file name. |
601 | This function is only used when building error messages. */ | |
602 | if (!buf) | |
603 | { | |
604 | curr = 0; | |
605 | return bfd_get_filename (abfd); | |
606 | } | |
607 | } | |
608 | sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive), | |
609 | bfd_get_filename (abfd)); | |
610 | return buf; | |
611 | } |