1 /* ar.c - Archive modify and extract.
2 Copyright (C) 1991-2019 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
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.
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.
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. */
22 Bugs: GNU ar used to check file against filesystem in quick_update and
23 replace operations (would check mtime). Doesn't warn when name truncated.
24 No way to specify pos_end. Error messages should be more consistent. */
28 #include "libiberty.h"
34 #include "filenames.h"
36 #include "plugin-api.h"
40 #define EXT_NAME_LEN 3 /* Bufflen of addition to name if it's MS-DOS. */
42 #define EXT_NAME_LEN 6 /* Ditto for *NIX. */
45 /* Static declarations. */
47 static void mri_emul (void);
48 static const char *normalize (const char *, bfd *);
49 static void remove_output (void);
50 static void map_over_members (bfd *, void (*)(bfd *), char **, int);
51 static void print_contents (bfd * member);
52 static void delete_members (bfd *, char **files_to_delete);
54 static void move_members (bfd *, char **files_to_move);
55 static void replace_members
56 (bfd *, char **files_to_replace, bfd_boolean quick);
57 static void print_descr (bfd * abfd);
58 static void write_archive (bfd *);
59 static int ranlib_only (const char *archname);
60 static int ranlib_touch (const char *archname);
61 static void usage (int);
63 /** Globals and flags. */
67 /* This flag distinguishes between ar and ranlib:
68 1 means this is 'ranlib'; 0 means this is 'ar'.
69 -1 means if we should use argv[0] to decide. */
72 /* Nonzero means don't warn about creating the archive file if necessary. */
73 int silent_create = 0;
75 /* Nonzero means describe each action performed. */
78 /* Nonzero means display offsets of files in the archive. */
79 int display_offsets = 0;
81 /* Nonzero means preserve dates of members when extracting them. */
82 int preserve_dates = 0;
84 /* Nonzero means don't replace existing members whose dates are more recent
85 than the corresponding files. */
88 /* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF
89 member). -1 means we've been explicitly asked to not write a symbol table;
90 +1 means we've been explicitly asked to write it;
92 Traditionally, the default in BSD has been to not write the table.
93 However, for POSIX.2 compliance the default is now to write a symbol table
94 if any of the members are object files. */
97 /* Operate in deterministic mode: write zero for timestamps, uids,
98 and gids for archive members and the archive symbol table, and write
99 consistent file modes. */
100 int deterministic = -1; /* Determinism indeterminate. */
102 /* Nonzero means it's the name of an existing member; position new or moved
103 files with respect to this one. */
104 char *posname = NULL;
106 /* Sez how to use `posname': pos_before means position before that member.
107 pos_after means position after that member. pos_end means always at end.
108 pos_default means default appropriately. For the latter two, `posname'
109 should also be zero. */
112 pos_default, pos_before, pos_after, pos_end
113 } postype = pos_default;
117 none = 0, del, replace, print_table,
118 print_files, extract, move, quick_append
122 get_pos_bfd (bfd **, enum pos, const char *);
124 /* For extract/delete only. If COUNTED_NAME_MODE is TRUE, we only
125 extract the COUNTED_NAME_COUNTER instance of that name. */
126 static bfd_boolean counted_name_mode = 0;
127 static int counted_name_counter = 0;
129 /* Whether to truncate names of files stored in the archive. */
130 static bfd_boolean ar_truncate = FALSE;
132 /* Whether to use a full file name match when searching an archive.
133 This is convenient for archives created by the Microsoft lib
135 static bfd_boolean full_pathname = FALSE;
137 /* Whether to create a "thin" archive (symbol index only -- no files). */
138 static bfd_boolean make_thin_archive = FALSE;
140 static int show_version = 0;
142 static int show_help = 0;
144 #if BFD_SUPPORTS_PLUGINS
145 static const char *plugin_target = "plugin";
147 static const char *plugin_target = NULL;
150 static const char *target = NULL;
152 #define OPTION_PLUGIN 201
153 #define OPTION_TARGET 202
155 static struct option long_options[] =
157 {"help", no_argument, &show_help, 1},
158 {"plugin", required_argument, NULL, OPTION_PLUGIN},
159 {"target", required_argument, NULL, OPTION_TARGET},
160 {"version", no_argument, &show_version, 1},
161 {NULL, no_argument, NULL, 0}
169 interactive = isatty (fileno (stdin));
173 /* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero,
174 COUNT is the length of the FILES chain; FUNCTION is called on each entry
175 whose name matches one in FILES. */
178 map_over_members (bfd *arch, void (*function)(bfd *), char **files, int count)
185 for (head = arch->archive_next; head; head = head->archive_next)
193 /* This may appear to be a baroque way of accomplishing what we want.
194 However we have to iterate over the filenames in order to notice where
195 a filename is requested but does not exist in the archive. Ditto
196 mapping over each file each time -- we want to hack multiple
199 for (head = arch->archive_next; head; head = head->archive_next)
200 head->archive_pass = 0;
202 for (; count > 0; files++, count--)
204 bfd_boolean found = FALSE;
207 for (head = arch->archive_next; head; head = head->archive_next)
209 const char * filename;
212 /* PR binutils/15796: Once an archive element has been matched
213 do not match it again. If the user provides multiple same-named
214 parameters on the command line their intent is to match multiple
215 same-named entries in the archive, not the same entry multiple
217 if (head->archive_pass)
220 filename = head->filename;
221 if (filename == NULL)
223 /* Some archive formats don't get the filenames filled in
224 until the elements are opened. */
226 bfd_stat_arch_elt (head, &buf);
228 else if (bfd_is_thin_archive (arch))
230 /* Thin archives store full pathnames. Need to normalize. */
231 filename = normalize (filename, arch);
235 && !FILENAME_CMP (normalize (*files, arch), filename))
238 if (counted_name_mode
239 && match_count != counted_name_counter)
241 /* Counting, and didn't match on count; go on to the
248 head->archive_pass = 1;
249 /* PR binutils/15796: Once a file has been matched, do not
250 match any more same-named files in the archive. If the
251 user does want to match multiple same-name files in an
252 archive they should provide multiple same-name parameters
253 to the ar command. */
259 /* xgettext:c-format */
260 fprintf (stderr, _("no entry %s in archive\n"), *files);
264 bfd_boolean operation_alters_arch = FALSE;
271 #if BFD_SUPPORTS_PLUGINS
272 /* xgettext:c-format */
273 const char *command_line
274 = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]"
275 " [--plugin <name>] [member-name] [count] archive-file file...\n");
278 /* xgettext:c-format */
279 const char *command_line
280 = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoOPsSTuvV]"
281 " [member-name] [count] archive-file file...\n");
283 s = help ? stdout : stderr;
285 fprintf (s, command_line, program_name);
287 /* xgettext:c-format */
288 fprintf (s, _(" %s -M [<mri-script]\n"), program_name);
289 fprintf (s, _(" commands:\n"));
290 fprintf (s, _(" d - delete file(s) from the archive\n"));
291 fprintf (s, _(" m[ab] - move file(s) in the archive\n"));
292 fprintf (s, _(" p - print file(s) found in the archive\n"));
293 fprintf (s, _(" q[f] - quick append file(s) to the archive\n"));
294 fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n"));
295 fprintf (s, _(" s - act as ranlib\n"));
296 fprintf (s, _(" t[O][v] - display contents of the archive\n"));
297 fprintf (s, _(" x[o] - extract file(s) from the archive\n"));
298 fprintf (s, _(" command specific modifiers:\n"));
299 fprintf (s, _(" [a] - put file(s) after [member-name]\n"));
300 fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n"));
301 if (DEFAULT_AR_DETERMINISTIC)
304 [D] - use zero for timestamps and uids/gids (default)\n"));
306 [U] - use actual timestamps and uids/gids\n"));
311 [D] - use zero for timestamps and uids/gids\n"));
313 [U] - use actual timestamps and uids/gids (default)\n"));
315 fprintf (s, _(" [N] - use instance [count] of name\n"));
316 fprintf (s, _(" [f] - truncate inserted file names\n"));
317 fprintf (s, _(" [P] - use full path names when matching\n"));
318 fprintf (s, _(" [o] - preserve original dates\n"));
319 fprintf (s, _(" [O] - display offsets of files in the archive\n"));
320 fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n"));
321 fprintf (s, _(" generic modifiers:\n"));
322 fprintf (s, _(" [c] - do not warn if the library had to be created\n"));
323 fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n"));
324 fprintf (s, _(" [S] - do not build a symbol table\n"));
325 fprintf (s, _(" [T] - make a thin archive\n"));
326 fprintf (s, _(" [v] - be verbose\n"));
327 fprintf (s, _(" [V] - display the version number\n"));
328 fprintf (s, _(" @<file> - read options from <file>\n"));
329 fprintf (s, _(" --target=BFDNAME - specify the target object format as BFDNAME\n"));
330 #if BFD_SUPPORTS_PLUGINS
331 fprintf (s, _(" optional:\n"));
332 fprintf (s, _(" --plugin <p> - load the specified plugin\n"));
337 list_supported_targets (program_name, s);
339 if (REPORT_BUGS_TO[0] && help)
340 fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
342 xexit (help ? 0 : 1);
346 ranlib_usage (int help)
350 s = help ? stdout : stderr;
352 /* xgettext:c-format */
353 fprintf (s, _("Usage: %s [options] archive\n"), program_name);
354 fprintf (s, _(" Generate an index to speed access to archives\n"));
355 fprintf (s, _(" The options are:\n\
356 @<file> Read options from <file>\n"));
357 #if BFD_SUPPORTS_PLUGINS
359 --plugin <name> Load the specified plugin\n"));
361 if (DEFAULT_AR_DETERMINISTIC)
363 -D Use zero for symbol map timestamp (default)\n\
364 -U Use an actual symbol map timestamp\n"));
367 -D Use zero for symbol map timestamp\n\
368 -U Use actual symbol map timestamp (default)\n"));
370 -t Update the archive's symbol map timestamp\n\
371 -h --help Print this help message\n\
372 -v --version Print version information\n"));
374 list_supported_targets (program_name, s);
376 if (REPORT_BUGS_TO[0] && help)
377 fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
379 xexit (help ? 0 : 1);
382 /* Normalize a file name specified on the command line into a file
383 name which we will use in an archive. */
386 normalize (const char *file, bfd *abfd)
388 const char *filename;
393 filename = lbasename (file);
397 && strlen (filename) > abfd->xvec->ar_max_namelen)
402 s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1);
403 memcpy (s, filename, abfd->xvec->ar_max_namelen);
404 s[abfd->xvec->ar_max_namelen] = '\0';
411 /* Remove any output file. This is only called via xatexit. */
413 static const char *output_filename = NULL;
414 static FILE *output_file = NULL;
415 static bfd *output_bfd = NULL;
420 if (output_filename != NULL)
422 if (output_bfd != NULL)
423 bfd_cache_close (output_bfd);
424 if (output_file != NULL)
425 fclose (output_file);
426 unlink_if_ordinary (output_filename);
431 decode_options (int argc, char **argv)
435 /* Convert old-style tar call by exploding option element and rearranging
436 options accordingly. */
438 if (argc > 1 && argv[1][0] != '-')
440 int new_argc; /* argc value for rearranged arguments */
441 char **new_argv; /* argv value for rearranged arguments */
442 char *const *in; /* cursor into original argv */
443 char **out; /* cursor into rearranged argv */
444 const char *letter; /* cursor into old option letters */
445 char buffer[3]; /* constructed option buffer */
447 /* Initialize a constructed option. */
452 /* Allocate a new argument array, and copy program name in it. */
454 new_argc = argc - 1 + strlen (argv[1]);
455 new_argv = xmalloc ((new_argc + 1) * sizeof (*argv));
460 /* Copy each old letter option as a separate option. */
462 for (letter = *in++; *letter; letter++)
465 *out++ = xstrdup (buffer);
468 /* Copy all remaining options. */
470 while (in < argv + argc)
474 /* Replace the old option list by the new one. */
480 while ((c = getopt_long (argc, argv, "hdmpqrtxlcoOVsSuvabiMNfPTDU",
481 long_options, NULL)) != EOF)
492 if (operation != none)
493 fatal (_("two different operation options specified"));
504 operation_alters_arch = TRUE;
508 operation_alters_arch = TRUE;
511 operation = print_files;
514 operation = quick_append;
515 operation_alters_arch = TRUE;
519 operation_alters_arch = TRUE;
522 operation = print_table;
557 postype = pos_before;
560 postype = pos_before;
566 counted_name_mode = TRUE;
572 full_pathname = TRUE;
575 make_thin_archive = TRUE;
578 deterministic = TRUE;
581 deterministic = FALSE;
584 #if BFD_SUPPORTS_PLUGINS
585 bfd_plugin_set_plugin (optarg);
587 fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
594 case 0: /* A long option that just sets a flag. */
601 return &argv[optind];
604 /* If neither -D nor -U was specified explicitly,
605 then use the configured default. */
607 default_deterministic (void)
609 if (deterministic < 0)
610 deterministic = DEFAULT_AR_DETERMINISTIC;
614 ranlib_main (int argc, char **argv)
616 int arg_index, status = 0;
617 bfd_boolean touch = FALSE;
620 while ((c = getopt_long (argc, argv, "DhHUvVt", long_options, NULL)) != EOF)
625 deterministic = TRUE;
628 deterministic = FALSE;
642 /* PR binutils/13493: Support plugins. */
644 #if BFD_SUPPORTS_PLUGINS
645 bfd_plugin_set_plugin (optarg);
647 fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
661 print_version ("ranlib");
663 default_deterministic ();
667 while (arg_index < argc)
670 status |= ranlib_only (argv[arg_index]);
672 status |= ranlib_touch (argv[arg_index]);
679 int main (int, char **);
682 main (int argc, char **argv)
687 char *inarch_filename;
690 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
691 setlocale (LC_MESSAGES, "");
693 #if defined (HAVE_SETLOCALE)
694 setlocale (LC_CTYPE, "");
696 bindtextdomain (PACKAGE, LOCALEDIR);
697 textdomain (PACKAGE);
699 program_name = argv[0];
700 xmalloc_set_program_name (program_name);
701 bfd_set_error_program_name (program_name);
702 #if BFD_SUPPORTS_PLUGINS
703 bfd_plugin_set_program_name (program_name);
706 expandargv (&argc, &argv);
710 const char *temp = lbasename (program_name);
712 if (strlen (temp) >= 6
713 && FILENAME_CMP (temp + strlen (temp) - 6, "ranlib") == 0)
719 START_PROGRESS (program_name, 0);
721 if (bfd_init () != BFD_INIT_MAGIC)
722 fatal (_("fatal error: libbfd ABI mismatch"));
723 set_default_bfd_target ();
725 xatexit (remove_output);
727 for (i = 1; i < argc; i++)
728 if (! ar_emul_parse_arg (argv[i]))
734 ranlib_main (argc, argv);
739 argv = decode_options (argc, argv);
745 print_version ("ar");
751 default_deterministic ();
758 /* Fail if no files are specified on the command line.
759 (But not for MRI mode which allows for reading arguments
760 and filenames from stdin). */
761 if (argv[arg_index] == NULL)
764 /* We don't use do_quick_append any more. Too many systems
765 expect ar to always rebuild the symbol table even when q is
768 /* We can't write an armap when using ar q, so just do ar r
770 if (operation == quick_append && write_armap)
773 if ((operation == none || operation == print_table)
775 xexit (ranlib_only (argv[arg_index]));
777 if (operation == none)
778 fatal (_("no operation specified"));
780 if (newer_only && operation != replace)
781 fatal (_("`u' is only meaningful with the `r' option."));
783 if (newer_only && deterministic > 0)
784 fatal (_("`u' is not meaningful with the `D' option."));
786 if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC)
788 `u' modifier ignored since `D' is the default (see `U')"));
790 default_deterministic ();
792 if (postype != pos_default)
794 posname = argv[arg_index++];
796 fatal (_("missing position arg."));
799 if (counted_name_mode)
801 if (operation != extract && operation != del)
802 fatal (_("`N' is only meaningful with the `x' and `d' options."));
803 if (argv[arg_index] == NULL)
804 fatal (_("`N' missing value."));
805 counted_name_counter = atoi (argv[arg_index++]);
806 if (counted_name_counter <= 0)
807 fatal (_("Value for `N' must be positive."));
810 inarch_filename = argv[arg_index++];
811 if (inarch_filename == NULL)
814 for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++)
817 files = (file_count > 0) ? argv + arg_index : NULL;
819 arch = open_inarch (inarch_filename,
820 files == NULL ? (char *) NULL : files[0]);
822 if (operation == extract && bfd_is_thin_archive (arch))
823 fatal (_("`x' cannot be used on thin archives."));
828 map_over_members (arch, print_descr, files, file_count);
832 map_over_members (arch, print_contents, files, file_count);
836 map_over_members (arch, extract_file, files, file_count);
841 delete_members (arch, files);
843 output_filename = NULL;
847 /* PR 12558: Creating and moving at the same time does
848 not make sense. Just create the archive instead. */
852 move_members (arch, files);
854 output_filename = NULL;
861 if (files != NULL || write_armap > 0)
862 replace_members (arch, files, operation == quick_append);
864 output_filename = NULL;
867 /* Shouldn't happen! */
869 /* xgettext:c-format */
870 fatal (_("internal error -- this option not implemented"));
874 END_PROGRESS (program_name);
881 open_inarch (const char *archive_filename, const char *file)
889 bfd_set_error (bfd_error_no_error);
892 target = plugin_target;
894 if (stat (archive_filename, &sbuf) != 0)
896 #if !defined(__GO32__) || defined(__DJGPP__)
898 /* FIXME: I don't understand why this fragment was ifndef'ed
899 away for __GO32__; perhaps it was in the days of DJGPP v1.x.
900 stat() works just fine in v2.x, so I think this should be
901 removed. For now, I enable it for DJGPP v2. -- EZ. */
903 /* KLUDGE ALERT! Temporary fix until I figger why
904 stat() is wrong ... think it's buried in GO32's IDT - Jax */
906 bfd_fatal (archive_filename);
909 if (!operation_alters_arch)
911 fprintf (stderr, "%s: ", program_name);
912 perror (archive_filename);
917 /* If the target isn't set, try to figure out the target to use
918 for the archive from the first object on the list. */
919 if (target == NULL && file != NULL)
923 obj = bfd_openr (file, target);
926 if (bfd_check_format (obj, bfd_object))
927 target = bfd_get_target (obj);
928 (void) bfd_close (obj);
932 /* Create an empty archive. */
933 arch = bfd_openw (archive_filename, target);
935 || ! bfd_set_format (arch, bfd_archive)
936 || ! bfd_close (arch))
937 bfd_fatal (archive_filename);
938 else if (!silent_create)
939 non_fatal (_("creating %s"), archive_filename);
941 /* If we die creating a new archive, don't leave it around. */
942 output_filename = archive_filename;
945 arch = bfd_openr (archive_filename, target);
949 bfd_fatal (archive_filename);
952 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
954 bfd_nonfatal (archive_filename);
955 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
957 list_matching_formats (matching);
963 if ((operation == replace || operation == quick_append)
964 && bfd_openr_next_archived_file (arch, NULL) != NULL)
966 /* PR 15140: Catch attempts to convert a normal
967 archive into a thin archive or vice versa. */
968 if (make_thin_archive && ! bfd_is_thin_archive (arch))
970 fatal (_("Cannot convert existing library %s to thin format"),
971 bfd_get_filename (arch));
974 else if (! make_thin_archive && bfd_is_thin_archive (arch))
976 fatal (_("Cannot convert existing thin library %s to normal format"),
977 bfd_get_filename (arch));
982 last_one = &(arch->archive_next);
983 /* Read all the contents right away, regardless. */
984 for (next_one = bfd_openr_next_archived_file (arch, NULL);
986 next_one = bfd_openr_next_archived_file (arch, next_one))
989 *last_one = next_one;
990 last_one = &next_one->archive_next;
992 *last_one = (bfd *) NULL;
993 if (bfd_get_error () != bfd_error_no_more_archived_files)
999 print_contents (bfd *abfd)
1001 bfd_size_type ncopied = 0;
1003 char *cbuf = (char *) xmalloc (BUFSIZE);
1006 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1007 /* xgettext:c-format */
1008 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1011 printf ("\n<%s>\n\n", bfd_get_filename (abfd));
1013 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1016 while (ncopied < size)
1018 bfd_size_type nread;
1019 bfd_size_type tocopy = size - ncopied;
1021 if (tocopy > BUFSIZE)
1024 nread = bfd_bread (cbuf, tocopy, abfd);
1025 if (nread != tocopy)
1026 /* xgettext:c-format */
1027 fatal (_("%s is not a valid archive"),
1028 bfd_get_filename (abfd->my_archive));
1030 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast the
1031 return value to bfd_size_type to avoid comparison between signed and
1033 if ((bfd_size_type) fwrite (cbuf, 1, nread, stdout) != nread)
1034 fatal ("stdout: %s", strerror (errno));
1040 /* Extract a member of the archive into its own file.
1042 We defer opening the new file until after we have read a BUFSIZ chunk of the
1043 old one, since we know we have just read the archive header for the old
1044 one. Since most members are shorter than BUFSIZ, this means we will read
1045 the old header, read the old data, write a new inode for the new file, and
1046 write the new data, and be done. This 'optimization' is what comes from
1047 sitting next to a bare disk and hearing it every time it seeks. -- Gnu
1051 extract_file (bfd *abfd)
1054 char *cbuf = (char *) xmalloc (BUFSIZE);
1055 bfd_size_type nread, tocopy;
1056 bfd_size_type ncopied = 0;
1060 /* PR binutils/17533: Do not allow directory traversal
1061 outside of the current directory tree. */
1062 if (! is_valid_archive_path (bfd_get_filename (abfd)))
1064 non_fatal (_("illegal pathname found in archive member: %s"),
1065 bfd_get_filename (abfd));
1070 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1071 /* xgettext:c-format */
1072 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1076 printf ("x - %s\n", bfd_get_filename (abfd));
1078 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1083 /* Seems like an abstraction violation, eh? Well it's OK! */
1084 output_filename = bfd_get_filename (abfd);
1086 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1087 if (ostream == NULL)
1089 perror (bfd_get_filename (abfd));
1093 output_file = ostream;
1096 while (ncopied < size)
1098 tocopy = size - ncopied;
1099 if (tocopy > BUFSIZE)
1102 nread = bfd_bread (cbuf, tocopy, abfd);
1103 if (nread != tocopy)
1104 /* xgettext:c-format */
1105 fatal (_("%s is not a valid archive"),
1106 bfd_get_filename (abfd->my_archive));
1108 /* See comment above; this saves disk arm motion */
1109 if (ostream == NULL)
1111 /* Seems like an abstraction violation, eh? Well it's OK! */
1112 output_filename = bfd_get_filename (abfd);
1114 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1115 if (ostream == NULL)
1117 perror (bfd_get_filename (abfd));
1121 output_file = ostream;
1124 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast
1125 the return value to bfd_size_type to avoid comparison between
1126 signed and unsigned values. */
1127 if ((bfd_size_type) fwrite (cbuf, 1, nread, ostream) != nread)
1128 fatal ("%s: %s", output_filename, strerror (errno));
1132 if (ostream != NULL)
1136 output_filename = NULL;
1138 chmod (bfd_get_filename (abfd), buf.st_mode);
1142 /* Set access time to modification time. Only st_mtime is
1143 initialized by bfd_stat_arch_elt. */
1144 buf.st_atime = buf.st_mtime;
1145 set_times (bfd_get_filename (abfd), &buf);
1152 write_archive (bfd *iarch)
1155 char *old_name, *new_name;
1156 bfd *contents_head = iarch->archive_next;
1158 old_name = (char *) xmalloc (strlen (bfd_get_filename (iarch)) + 1);
1159 strcpy (old_name, bfd_get_filename (iarch));
1160 new_name = make_tempname (old_name);
1162 if (new_name == NULL)
1163 bfd_fatal (_("could not create temporary file whilst writing archive"));
1165 output_filename = new_name;
1167 obfd = bfd_openw (new_name, bfd_get_target (iarch));
1170 bfd_fatal (old_name);
1174 bfd_set_format (obfd, bfd_archive);
1176 /* Request writing the archive symbol table unless we've
1177 been explicitly requested not to. */
1178 obfd->has_armap = write_armap >= 0;
1182 /* This should really use bfd_set_file_flags, but that rejects
1184 obfd->flags |= BFD_TRADITIONAL_FORMAT;
1188 obfd->flags |= BFD_DETERMINISTIC_OUTPUT;
1190 if (make_thin_archive || bfd_is_thin_archive (iarch))
1191 bfd_is_thin_archive (obfd) = 1;
1193 if (!bfd_set_archive_head (obfd, contents_head))
1194 bfd_fatal (old_name);
1196 if (!bfd_close (obfd))
1197 bfd_fatal (old_name);
1200 output_filename = NULL;
1202 /* We don't care if this fails; we might be creating the archive. */
1205 if (smart_rename (new_name, old_name, 0) != 0)
1211 /* Return a pointer to the pointer to the entry which should be rplacd'd
1212 into when altering. DEFAULT_POS should be how to interpret pos_default,
1213 and should be a pos value. */
1216 get_pos_bfd (bfd **contents, enum pos default_pos, const char *default_posname)
1218 bfd **after_bfd = contents;
1220 const char *realposname;
1222 if (postype == pos_default)
1224 realpos = default_pos;
1225 realposname = default_posname;
1230 realposname = posname;
1233 if (realpos == pos_end)
1236 after_bfd = &((*after_bfd)->archive_next);
1240 for (; *after_bfd; after_bfd = &(*after_bfd)->archive_next)
1241 if (FILENAME_CMP ((*after_bfd)->filename, realposname) == 0)
1243 if (realpos == pos_after)
1244 after_bfd = &(*after_bfd)->archive_next;
1252 delete_members (bfd *arch, char **files_to_delete)
1254 bfd **current_ptr_ptr;
1256 bfd_boolean something_changed = FALSE;
1259 for (; *files_to_delete != NULL; ++files_to_delete)
1261 /* In a.out systems, the armap is optional. It's also called
1262 __.SYMDEF. So if the user asked to delete it, we should remember
1263 that fact. This isn't quite right for COFF systems (where
1264 __.SYMDEF might be regular member), but it's very unlikely
1265 to be a problem. FIXME */
1267 if (!strcmp (*files_to_delete, "__.SYMDEF"))
1269 arch->has_armap = FALSE;
1276 current_ptr_ptr = &(arch->archive_next);
1277 while (*current_ptr_ptr)
1279 if (FILENAME_CMP (normalize (*files_to_delete, arch),
1280 (*current_ptr_ptr)->filename) == 0)
1283 if (counted_name_mode
1284 && match_count != counted_name_counter)
1286 /* Counting, and didn't match on count; go on to the
1292 something_changed = TRUE;
1296 *current_ptr_ptr = ((*current_ptr_ptr)->archive_next);
1301 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1304 if (verbose && !found)
1306 /* xgettext:c-format */
1307 printf (_("No member named `%s'\n"), *files_to_delete);
1313 if (something_changed)
1314 write_archive (arch);
1316 output_filename = NULL;
1320 /* Reposition existing members within an archive */
1323 move_members (bfd *arch, char **files_to_move)
1325 bfd **after_bfd; /* New entries go after this one */
1326 bfd **current_ptr_ptr; /* cdr pointer into contents */
1328 for (; *files_to_move; ++files_to_move)
1330 current_ptr_ptr = &(arch->archive_next);
1331 while (*current_ptr_ptr)
1333 bfd *current_ptr = *current_ptr_ptr;
1334 if (FILENAME_CMP (normalize (*files_to_move, arch),
1335 current_ptr->filename) == 0)
1337 /* Move this file to the end of the list - first cut from
1340 *current_ptr_ptr = current_ptr->archive_next;
1342 /* Now glue to end */
1343 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1344 link_bfd = *after_bfd;
1345 *after_bfd = current_ptr;
1346 current_ptr->archive_next = link_bfd;
1349 printf ("m - %s\n", *files_to_move);
1354 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1356 /* xgettext:c-format */
1357 fatal (_("no entry %s in archive %s!"), *files_to_move, arch->filename);
1362 write_archive (arch);
1365 /* Ought to default to replacing in place, but this is existing practice! */
1368 replace_members (bfd *arch, char **files_to_move, bfd_boolean quick)
1370 bfd_boolean changed = FALSE;
1371 bfd **after_bfd; /* New entries go after this one. */
1375 while (files_to_move && *files_to_move)
1379 current_ptr = &arch->archive_next;
1380 while (*current_ptr)
1382 current = *current_ptr;
1384 /* For compatibility with existing ar programs, we
1385 permit the same file to be added multiple times. */
1386 if (FILENAME_CMP (normalize (*files_to_move, arch),
1387 normalize (current->filename, arch)) == 0
1388 && current->arelt_data != NULL)
1392 struct stat fsbuf, asbuf;
1394 if (stat (*files_to_move, &fsbuf) != 0)
1396 if (errno != ENOENT)
1397 bfd_fatal (*files_to_move);
1400 if (bfd_stat_arch_elt (current, &asbuf) != 0)
1401 /* xgettext:c-format */
1402 fatal (_("internal stat error on %s"),
1405 if (fsbuf.st_mtime <= asbuf.st_mtime)
1409 after_bfd = get_pos_bfd (&arch->archive_next, pos_after,
1411 if (ar_emul_replace (after_bfd, *files_to_move,
1414 /* Snip out this entry from the chain. */
1415 *current_ptr = (*current_ptr)->archive_next;
1421 current_ptr = &(current->archive_next);
1425 /* Add to the end of the archive. */
1426 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1428 if (ar_emul_append (after_bfd, *files_to_move, target,
1429 verbose, make_thin_archive))
1438 write_archive (arch);
1440 output_filename = NULL;
1444 ranlib_only (const char *archname)
1448 if (get_file_size (archname) < 1)
1451 arch = open_inarch (archname, (char *) NULL);
1454 write_archive (arch);
1458 /* Update the timestamp of the symbol map of an archive. */
1461 ranlib_touch (const char *archname)
1464 /* I don't think updating works on go32. */
1465 ranlib_only (archname);
1471 if (get_file_size (archname) < 1)
1473 f = open (archname, O_RDWR | O_BINARY, 0);
1476 bfd_set_error (bfd_error_system_call);
1477 bfd_fatal (archname);
1480 arch = bfd_fdopenr (archname, (const char *) NULL, f);
1482 bfd_fatal (archname);
1483 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
1485 bfd_nonfatal (archname);
1486 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1488 list_matching_formats (matching);
1494 if (! bfd_has_map (arch))
1495 /* xgettext:c-format */
1496 fatal (_("%s: no archive map to update"), archname);
1499 arch->flags |= BFD_DETERMINISTIC_OUTPUT;
1501 bfd_update_armap_timestamp (arch);
1503 if (! bfd_close (arch))
1504 bfd_fatal (archname);
1509 /* Things which are interesting to map over all or some of the files: */
1512 print_descr (bfd *abfd)
1514 print_arelt_descr (stdout, abfd, verbose, display_offsets);