1 /* ar.c - Archive modify and extract.
2 Copyright (C) 1991-2018 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);
722 set_default_bfd_target ();
724 xatexit (remove_output);
726 for (i = 1; i < argc; i++)
727 if (! ar_emul_parse_arg (argv[i]))
733 ranlib_main (argc, argv);
738 argv = decode_options (argc, argv);
744 print_version ("ar");
750 default_deterministic ();
757 /* Fail if no files are specified on the command line.
758 (But not for MRI mode which allows for reading arguments
759 and filenames from stdin). */
760 if (argv[arg_index] == NULL)
763 /* We don't use do_quick_append any more. Too many systems
764 expect ar to always rebuild the symbol table even when q is
767 /* We can't write an armap when using ar q, so just do ar r
769 if (operation == quick_append && write_armap)
772 if ((operation == none || operation == print_table)
774 xexit (ranlib_only (argv[arg_index]));
776 if (operation == none)
777 fatal (_("no operation specified"));
779 if (newer_only && operation != replace)
780 fatal (_("`u' is only meaningful with the `r' option."));
782 if (newer_only && deterministic > 0)
783 fatal (_("`u' is not meaningful with the `D' option."));
785 if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC)
787 `u' modifier ignored since `D' is the default (see `U')"));
789 default_deterministic ();
791 if (postype != pos_default)
793 posname = argv[arg_index++];
795 fatal (_("missing position arg."));
798 if (counted_name_mode)
800 if (operation != extract && operation != del)
801 fatal (_("`N' is only meaningful with the `x' and `d' options."));
802 if (argv[arg_index] == NULL)
803 fatal (_("`N' missing value."));
804 counted_name_counter = atoi (argv[arg_index++]);
805 if (counted_name_counter <= 0)
806 fatal (_("Value for `N' must be positive."));
809 inarch_filename = argv[arg_index++];
810 if (inarch_filename == NULL)
813 for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++)
816 files = (file_count > 0) ? argv + arg_index : NULL;
818 arch = open_inarch (inarch_filename,
819 files == NULL ? (char *) NULL : files[0]);
821 if (operation == extract && bfd_is_thin_archive (arch))
822 fatal (_("`x' cannot be used on thin archives."));
827 map_over_members (arch, print_descr, files, file_count);
831 map_over_members (arch, print_contents, files, file_count);
835 map_over_members (arch, extract_file, files, file_count);
840 delete_members (arch, files);
842 output_filename = NULL;
846 /* PR 12558: Creating and moving at the same time does
847 not make sense. Just create the archive instead. */
851 move_members (arch, files);
853 output_filename = NULL;
860 if (files != NULL || write_armap > 0)
861 replace_members (arch, files, operation == quick_append);
863 output_filename = NULL;
866 /* Shouldn't happen! */
868 /* xgettext:c-format */
869 fatal (_("internal error -- this option not implemented"));
873 END_PROGRESS (program_name);
880 open_inarch (const char *archive_filename, const char *file)
888 bfd_set_error (bfd_error_no_error);
891 target = plugin_target;
893 if (stat (archive_filename, &sbuf) != 0)
895 #if !defined(__GO32__) || defined(__DJGPP__)
897 /* FIXME: I don't understand why this fragment was ifndef'ed
898 away for __GO32__; perhaps it was in the days of DJGPP v1.x.
899 stat() works just fine in v2.x, so I think this should be
900 removed. For now, I enable it for DJGPP v2. -- EZ. */
902 /* KLUDGE ALERT! Temporary fix until I figger why
903 stat() is wrong ... think it's buried in GO32's IDT - Jax */
905 bfd_fatal (archive_filename);
908 if (!operation_alters_arch)
910 fprintf (stderr, "%s: ", program_name);
911 perror (archive_filename);
916 /* If the target isn't set, try to figure out the target to use
917 for the archive from the first object on the list. */
918 if (target == NULL && file != NULL)
922 obj = bfd_openr (file, target);
925 if (bfd_check_format (obj, bfd_object))
926 target = bfd_get_target (obj);
927 (void) bfd_close (obj);
931 /* Create an empty archive. */
932 arch = bfd_openw (archive_filename, target);
934 || ! bfd_set_format (arch, bfd_archive)
935 || ! bfd_close (arch))
936 bfd_fatal (archive_filename);
937 else if (!silent_create)
938 non_fatal (_("creating %s"), archive_filename);
940 /* If we die creating a new archive, don't leave it around. */
941 output_filename = archive_filename;
944 arch = bfd_openr (archive_filename, target);
948 bfd_fatal (archive_filename);
951 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
953 bfd_nonfatal (archive_filename);
954 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
956 list_matching_formats (matching);
962 if ((operation == replace || operation == quick_append)
963 && bfd_openr_next_archived_file (arch, NULL) != NULL)
965 /* PR 15140: Catch attempts to convert a normal
966 archive into a thin archive or vice versa. */
967 if (make_thin_archive && ! bfd_is_thin_archive (arch))
969 fatal (_("Cannot convert existing library %s to thin format"),
970 bfd_get_filename (arch));
973 else if (! make_thin_archive && bfd_is_thin_archive (arch))
975 fatal (_("Cannot convert existing thin library %s to normal format"),
976 bfd_get_filename (arch));
981 last_one = &(arch->archive_next);
982 /* Read all the contents right away, regardless. */
983 for (next_one = bfd_openr_next_archived_file (arch, NULL);
985 next_one = bfd_openr_next_archived_file (arch, next_one))
988 *last_one = next_one;
989 last_one = &next_one->archive_next;
991 *last_one = (bfd *) NULL;
992 if (bfd_get_error () != bfd_error_no_more_archived_files)
998 print_contents (bfd *abfd)
1000 bfd_size_type ncopied = 0;
1002 char *cbuf = (char *) xmalloc (BUFSIZE);
1005 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1006 /* xgettext:c-format */
1007 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1010 printf ("\n<%s>\n\n", bfd_get_filename (abfd));
1012 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1015 while (ncopied < size)
1017 bfd_size_type nread;
1018 bfd_size_type tocopy = size - ncopied;
1020 if (tocopy > BUFSIZE)
1023 nread = bfd_bread (cbuf, tocopy, abfd);
1024 if (nread != tocopy)
1025 /* xgettext:c-format */
1026 fatal (_("%s is not a valid archive"),
1027 bfd_get_filename (abfd->my_archive));
1029 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast the
1030 return value to bfd_size_type to avoid comparison between signed and
1032 if ((bfd_size_type) fwrite (cbuf, 1, nread, stdout) != nread)
1033 fatal ("stdout: %s", strerror (errno));
1039 /* Extract a member of the archive into its own file.
1041 We defer opening the new file until after we have read a BUFSIZ chunk of the
1042 old one, since we know we have just read the archive header for the old
1043 one. Since most members are shorter than BUFSIZ, this means we will read
1044 the old header, read the old data, write a new inode for the new file, and
1045 write the new data, and be done. This 'optimization' is what comes from
1046 sitting next to a bare disk and hearing it every time it seeks. -- Gnu
1050 extract_file (bfd *abfd)
1053 char *cbuf = (char *) xmalloc (BUFSIZE);
1054 bfd_size_type nread, tocopy;
1055 bfd_size_type ncopied = 0;
1059 /* PR binutils/17533: Do not allow directory traversal
1060 outside of the current directory tree. */
1061 if (! is_valid_archive_path (bfd_get_filename (abfd)))
1063 non_fatal (_("illegal pathname found in archive member: %s"),
1064 bfd_get_filename (abfd));
1069 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1070 /* xgettext:c-format */
1071 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1075 printf ("x - %s\n", bfd_get_filename (abfd));
1077 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1082 /* Seems like an abstraction violation, eh? Well it's OK! */
1083 output_filename = bfd_get_filename (abfd);
1085 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1086 if (ostream == NULL)
1088 perror (bfd_get_filename (abfd));
1092 output_file = ostream;
1095 while (ncopied < size)
1097 tocopy = size - ncopied;
1098 if (tocopy > BUFSIZE)
1101 nread = bfd_bread (cbuf, tocopy, abfd);
1102 if (nread != tocopy)
1103 /* xgettext:c-format */
1104 fatal (_("%s is not a valid archive"),
1105 bfd_get_filename (abfd->my_archive));
1107 /* See comment above; this saves disk arm motion */
1108 if (ostream == NULL)
1110 /* Seems like an abstraction violation, eh? Well it's OK! */
1111 output_filename = bfd_get_filename (abfd);
1113 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1114 if (ostream == NULL)
1116 perror (bfd_get_filename (abfd));
1120 output_file = ostream;
1123 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast
1124 the return value to bfd_size_type to avoid comparison between
1125 signed and unsigned values. */
1126 if ((bfd_size_type) fwrite (cbuf, 1, nread, ostream) != nread)
1127 fatal ("%s: %s", output_filename, strerror (errno));
1131 if (ostream != NULL)
1135 output_filename = NULL;
1137 chmod (bfd_get_filename (abfd), buf.st_mode);
1141 /* Set access time to modification time. Only st_mtime is
1142 initialized by bfd_stat_arch_elt. */
1143 buf.st_atime = buf.st_mtime;
1144 set_times (bfd_get_filename (abfd), &buf);
1151 write_archive (bfd *iarch)
1154 char *old_name, *new_name;
1155 bfd *contents_head = iarch->archive_next;
1157 old_name = (char *) xmalloc (strlen (bfd_get_filename (iarch)) + 1);
1158 strcpy (old_name, bfd_get_filename (iarch));
1159 new_name = make_tempname (old_name);
1161 if (new_name == NULL)
1162 bfd_fatal (_("could not create temporary file whilst writing archive"));
1164 output_filename = new_name;
1166 obfd = bfd_openw (new_name, bfd_get_target (iarch));
1169 bfd_fatal (old_name);
1173 bfd_set_format (obfd, bfd_archive);
1175 /* Request writing the archive symbol table unless we've
1176 been explicitly requested not to. */
1177 obfd->has_armap = write_armap >= 0;
1181 /* This should really use bfd_set_file_flags, but that rejects
1183 obfd->flags |= BFD_TRADITIONAL_FORMAT;
1187 obfd->flags |= BFD_DETERMINISTIC_OUTPUT;
1189 if (make_thin_archive || bfd_is_thin_archive (iarch))
1190 bfd_is_thin_archive (obfd) = 1;
1192 if (!bfd_set_archive_head (obfd, contents_head))
1193 bfd_fatal (old_name);
1195 if (!bfd_close (obfd))
1196 bfd_fatal (old_name);
1199 output_filename = NULL;
1201 /* We don't care if this fails; we might be creating the archive. */
1204 if (smart_rename (new_name, old_name, 0) != 0)
1210 /* Return a pointer to the pointer to the entry which should be rplacd'd
1211 into when altering. DEFAULT_POS should be how to interpret pos_default,
1212 and should be a pos value. */
1215 get_pos_bfd (bfd **contents, enum pos default_pos, const char *default_posname)
1217 bfd **after_bfd = contents;
1219 const char *realposname;
1221 if (postype == pos_default)
1223 realpos = default_pos;
1224 realposname = default_posname;
1229 realposname = posname;
1232 if (realpos == pos_end)
1235 after_bfd = &((*after_bfd)->archive_next);
1239 for (; *after_bfd; after_bfd = &(*after_bfd)->archive_next)
1240 if (FILENAME_CMP ((*after_bfd)->filename, realposname) == 0)
1242 if (realpos == pos_after)
1243 after_bfd = &(*after_bfd)->archive_next;
1251 delete_members (bfd *arch, char **files_to_delete)
1253 bfd **current_ptr_ptr;
1255 bfd_boolean something_changed = FALSE;
1258 for (; *files_to_delete != NULL; ++files_to_delete)
1260 /* In a.out systems, the armap is optional. It's also called
1261 __.SYMDEF. So if the user asked to delete it, we should remember
1262 that fact. This isn't quite right for COFF systems (where
1263 __.SYMDEF might be regular member), but it's very unlikely
1264 to be a problem. FIXME */
1266 if (!strcmp (*files_to_delete, "__.SYMDEF"))
1268 arch->has_armap = FALSE;
1275 current_ptr_ptr = &(arch->archive_next);
1276 while (*current_ptr_ptr)
1278 if (FILENAME_CMP (normalize (*files_to_delete, arch),
1279 (*current_ptr_ptr)->filename) == 0)
1282 if (counted_name_mode
1283 && match_count != counted_name_counter)
1285 /* Counting, and didn't match on count; go on to the
1291 something_changed = TRUE;
1295 *current_ptr_ptr = ((*current_ptr_ptr)->archive_next);
1300 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1303 if (verbose && !found)
1305 /* xgettext:c-format */
1306 printf (_("No member named `%s'\n"), *files_to_delete);
1312 if (something_changed)
1313 write_archive (arch);
1315 output_filename = NULL;
1319 /* Reposition existing members within an archive */
1322 move_members (bfd *arch, char **files_to_move)
1324 bfd **after_bfd; /* New entries go after this one */
1325 bfd **current_ptr_ptr; /* cdr pointer into contents */
1327 for (; *files_to_move; ++files_to_move)
1329 current_ptr_ptr = &(arch->archive_next);
1330 while (*current_ptr_ptr)
1332 bfd *current_ptr = *current_ptr_ptr;
1333 if (FILENAME_CMP (normalize (*files_to_move, arch),
1334 current_ptr->filename) == 0)
1336 /* Move this file to the end of the list - first cut from
1339 *current_ptr_ptr = current_ptr->archive_next;
1341 /* Now glue to end */
1342 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1343 link_bfd = *after_bfd;
1344 *after_bfd = current_ptr;
1345 current_ptr->archive_next = link_bfd;
1348 printf ("m - %s\n", *files_to_move);
1353 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1355 /* xgettext:c-format */
1356 fatal (_("no entry %s in archive %s!"), *files_to_move, arch->filename);
1361 write_archive (arch);
1364 /* Ought to default to replacing in place, but this is existing practice! */
1367 replace_members (bfd *arch, char **files_to_move, bfd_boolean quick)
1369 bfd_boolean changed = FALSE;
1370 bfd **after_bfd; /* New entries go after this one. */
1374 while (files_to_move && *files_to_move)
1378 current_ptr = &arch->archive_next;
1379 while (*current_ptr)
1381 current = *current_ptr;
1383 /* For compatibility with existing ar programs, we
1384 permit the same file to be added multiple times. */
1385 if (FILENAME_CMP (normalize (*files_to_move, arch),
1386 normalize (current->filename, arch)) == 0
1387 && current->arelt_data != NULL)
1391 struct stat fsbuf, asbuf;
1393 if (stat (*files_to_move, &fsbuf) != 0)
1395 if (errno != ENOENT)
1396 bfd_fatal (*files_to_move);
1399 if (bfd_stat_arch_elt (current, &asbuf) != 0)
1400 /* xgettext:c-format */
1401 fatal (_("internal stat error on %s"),
1404 if (fsbuf.st_mtime <= asbuf.st_mtime)
1408 after_bfd = get_pos_bfd (&arch->archive_next, pos_after,
1410 if (ar_emul_replace (after_bfd, *files_to_move,
1413 /* Snip out this entry from the chain. */
1414 *current_ptr = (*current_ptr)->archive_next;
1420 current_ptr = &(current->archive_next);
1424 /* Add to the end of the archive. */
1425 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1427 if (ar_emul_append (after_bfd, *files_to_move, target,
1428 verbose, make_thin_archive))
1437 write_archive (arch);
1439 output_filename = NULL;
1443 ranlib_only (const char *archname)
1447 if (get_file_size (archname) < 1)
1450 arch = open_inarch (archname, (char *) NULL);
1453 write_archive (arch);
1457 /* Update the timestamp of the symbol map of an archive. */
1460 ranlib_touch (const char *archname)
1463 /* I don't think updating works on go32. */
1464 ranlib_only (archname);
1470 if (get_file_size (archname) < 1)
1472 f = open (archname, O_RDWR | O_BINARY, 0);
1475 bfd_set_error (bfd_error_system_call);
1476 bfd_fatal (archname);
1479 arch = bfd_fdopenr (archname, (const char *) NULL, f);
1481 bfd_fatal (archname);
1482 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
1484 bfd_nonfatal (archname);
1485 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1487 list_matching_formats (matching);
1493 if (! bfd_has_map (arch))
1494 /* xgettext:c-format */
1495 fatal (_("%s: no archive map to update"), archname);
1498 arch->flags |= BFD_DETERMINISTIC_OUTPUT;
1500 bfd_update_armap_timestamp (arch);
1502 if (! bfd_close (arch))
1503 bfd_fatal (archname);
1508 /* Things which are interesting to map over all or some of the files: */
1511 print_descr (bfd *abfd)
1513 print_arelt_descr (stdout, abfd, verbose, display_offsets);