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 ar call by exploding option element and rearranging
436 options accordingly. */
439 if (argc > 1 && argv[1][0] != '-')
441 int new_argc; /* argc value for rearranged arguments */
442 char **new_argv; /* argv value for rearranged arguments */
443 char *const *in; /* cursor into original argv */
444 char **out; /* cursor into rearranged argv */
445 const char *letter; /* cursor into old option letters */
446 char buffer[3]; /* constructed option buffer */
448 /* Initialize a constructed option. */
453 /* Allocate a new argument array, and copy program name in it. */
455 new_argc = argc - 1 + strlen (argv[1]);
456 new_argv = xmalloc ((new_argc + 1) * sizeof (*argv));
461 /* Copy each old letter option as a separate option. */
463 for (letter = *in++; *letter; letter++)
466 *out++ = xstrdup (buffer);
469 /* Copy all remaining options. */
471 while (in < argv + argc)
475 /* Replace the old option list by the new one. */
481 while ((c = getopt_long (argc, argv, "hdmpqrtxlcoOVsSuvabiMNfPTDU",
482 long_options, NULL)) != EOF)
493 if (operation != none)
494 fatal (_("two different operation options specified"));
505 operation_alters_arch = TRUE;
509 operation_alters_arch = TRUE;
512 operation = print_files;
515 operation = quick_append;
516 operation_alters_arch = TRUE;
520 operation_alters_arch = TRUE;
523 operation = print_table;
558 postype = pos_before;
561 postype = pos_before;
567 counted_name_mode = TRUE;
573 full_pathname = TRUE;
576 make_thin_archive = TRUE;
579 deterministic = TRUE;
582 deterministic = FALSE;
585 #if BFD_SUPPORTS_PLUGINS
586 bfd_plugin_set_plugin (optarg);
588 fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
595 case 0: /* A long option that just sets a flag. */
602 /* PR 13256: Allow for the possibility that the first command line option
603 started with a dash (eg --plugin) but then the following option(s) are
604 old style, non-dash-prefixed versions. */
605 if (operation == none && optind > 0 && optind < argc)
607 argv += (optind - 1);
608 argc -= (optind - 1);
613 return &argv[optind];
616 /* If neither -D nor -U was specified explicitly,
617 then use the configured default. */
619 default_deterministic (void)
621 if (deterministic < 0)
622 deterministic = DEFAULT_AR_DETERMINISTIC;
626 ranlib_main (int argc, char **argv)
628 int arg_index, status = 0;
629 bfd_boolean touch = FALSE;
632 while ((c = getopt_long (argc, argv, "DhHUvVt", long_options, NULL)) != EOF)
637 deterministic = TRUE;
640 deterministic = FALSE;
654 /* PR binutils/13493: Support plugins. */
656 #if BFD_SUPPORTS_PLUGINS
657 bfd_plugin_set_plugin (optarg);
659 fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
673 print_version ("ranlib");
675 default_deterministic ();
679 while (arg_index < argc)
682 status |= ranlib_only (argv[arg_index]);
684 status |= ranlib_touch (argv[arg_index]);
691 int main (int, char **);
694 main (int argc, char **argv)
699 char *inarch_filename;
702 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
703 setlocale (LC_MESSAGES, "");
705 #if defined (HAVE_SETLOCALE)
706 setlocale (LC_CTYPE, "");
708 bindtextdomain (PACKAGE, LOCALEDIR);
709 textdomain (PACKAGE);
711 program_name = argv[0];
712 xmalloc_set_program_name (program_name);
713 bfd_set_error_program_name (program_name);
714 #if BFD_SUPPORTS_PLUGINS
715 bfd_plugin_set_program_name (program_name);
718 expandargv (&argc, &argv);
722 const char *temp = lbasename (program_name);
724 if (strlen (temp) >= 6
725 && FILENAME_CMP (temp + strlen (temp) - 6, "ranlib") == 0)
731 START_PROGRESS (program_name, 0);
733 if (bfd_init () != BFD_INIT_MAGIC)
734 fatal (_("fatal error: libbfd ABI mismatch"));
735 set_default_bfd_target ();
737 xatexit (remove_output);
739 for (i = 1; i < argc; i++)
740 if (! ar_emul_parse_arg (argv[i]))
746 ranlib_main (argc, argv);
751 argv = decode_options (argc, argv);
757 print_version ("ar");
763 default_deterministic ();
770 /* Fail if no files are specified on the command line.
771 (But not for MRI mode which allows for reading arguments
772 and filenames from stdin). */
773 if (argv[arg_index] == NULL)
776 /* We don't use do_quick_append any more. Too many systems
777 expect ar to always rebuild the symbol table even when q is
780 /* We can't write an armap when using ar q, so just do ar r
782 if (operation == quick_append && write_armap)
785 if ((operation == none || operation == print_table)
787 xexit (ranlib_only (argv[arg_index]));
789 if (operation == none)
790 fatal (_("no operation specified"));
792 if (newer_only && operation != replace)
793 fatal (_("`u' is only meaningful with the `r' option."));
795 if (newer_only && deterministic > 0)
796 fatal (_("`u' is not meaningful with the `D' option."));
798 if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC)
800 `u' modifier ignored since `D' is the default (see `U')"));
802 default_deterministic ();
804 if (postype != pos_default)
806 posname = argv[arg_index++];
808 fatal (_("missing position arg."));
811 if (counted_name_mode)
813 if (operation != extract && operation != del)
814 fatal (_("`N' is only meaningful with the `x' and `d' options."));
815 if (argv[arg_index] == NULL)
816 fatal (_("`N' missing value."));
817 counted_name_counter = atoi (argv[arg_index++]);
818 if (counted_name_counter <= 0)
819 fatal (_("Value for `N' must be positive."));
822 inarch_filename = argv[arg_index++];
823 if (inarch_filename == NULL)
826 for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++)
829 files = (file_count > 0) ? argv + arg_index : NULL;
831 arch = open_inarch (inarch_filename,
832 files == NULL ? (char *) NULL : files[0]);
834 if (operation == extract && bfd_is_thin_archive (arch))
835 fatal (_("`x' cannot be used on thin archives."));
840 map_over_members (arch, print_descr, files, file_count);
844 map_over_members (arch, print_contents, files, file_count);
848 map_over_members (arch, extract_file, files, file_count);
853 delete_members (arch, files);
855 output_filename = NULL;
859 /* PR 12558: Creating and moving at the same time does
860 not make sense. Just create the archive instead. */
864 move_members (arch, files);
866 output_filename = NULL;
873 if (files != NULL || write_armap > 0)
874 replace_members (arch, files, operation == quick_append);
876 output_filename = NULL;
879 /* Shouldn't happen! */
881 /* xgettext:c-format */
882 fatal (_("internal error -- this option not implemented"));
886 END_PROGRESS (program_name);
893 open_inarch (const char *archive_filename, const char *file)
901 bfd_set_error (bfd_error_no_error);
904 target = plugin_target;
906 if (stat (archive_filename, &sbuf) != 0)
908 #if !defined(__GO32__) || defined(__DJGPP__)
910 /* FIXME: I don't understand why this fragment was ifndef'ed
911 away for __GO32__; perhaps it was in the days of DJGPP v1.x.
912 stat() works just fine in v2.x, so I think this should be
913 removed. For now, I enable it for DJGPP v2. -- EZ. */
915 /* KLUDGE ALERT! Temporary fix until I figger why
916 stat() is wrong ... think it's buried in GO32's IDT - Jax */
918 bfd_fatal (archive_filename);
921 if (!operation_alters_arch)
923 fprintf (stderr, "%s: ", program_name);
924 perror (archive_filename);
929 /* If the target isn't set, try to figure out the target to use
930 for the archive from the first object on the list. */
931 if (target == NULL && file != NULL)
935 obj = bfd_openr (file, target);
938 if (bfd_check_format (obj, bfd_object))
939 target = bfd_get_target (obj);
940 (void) bfd_close (obj);
944 /* Create an empty archive. */
945 arch = bfd_openw (archive_filename, target);
947 || ! bfd_set_format (arch, bfd_archive)
948 || ! bfd_close (arch))
949 bfd_fatal (archive_filename);
950 else if (!silent_create)
951 non_fatal (_("creating %s"), archive_filename);
953 /* If we die creating a new archive, don't leave it around. */
954 output_filename = archive_filename;
957 arch = bfd_openr (archive_filename, target);
961 bfd_fatal (archive_filename);
964 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
966 bfd_nonfatal (archive_filename);
967 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
969 list_matching_formats (matching);
975 if ((operation == replace || operation == quick_append)
976 && bfd_openr_next_archived_file (arch, NULL) != NULL)
978 /* PR 15140: Catch attempts to convert a normal
979 archive into a thin archive or vice versa. */
980 if (make_thin_archive && ! bfd_is_thin_archive (arch))
982 fatal (_("Cannot convert existing library %s to thin format"),
983 bfd_get_filename (arch));
986 else if (! make_thin_archive && bfd_is_thin_archive (arch))
988 fatal (_("Cannot convert existing thin library %s to normal format"),
989 bfd_get_filename (arch));
994 last_one = &(arch->archive_next);
995 /* Read all the contents right away, regardless. */
996 for (next_one = bfd_openr_next_archived_file (arch, NULL);
998 next_one = bfd_openr_next_archived_file (arch, next_one))
1001 *last_one = next_one;
1002 last_one = &next_one->archive_next;
1004 *last_one = (bfd *) NULL;
1005 if (bfd_get_error () != bfd_error_no_more_archived_files)
1011 print_contents (bfd *abfd)
1013 bfd_size_type ncopied = 0;
1015 char *cbuf = (char *) xmalloc (BUFSIZE);
1018 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1019 /* xgettext:c-format */
1020 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1023 printf ("\n<%s>\n\n", bfd_get_filename (abfd));
1025 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1028 while (ncopied < size)
1030 bfd_size_type nread;
1031 bfd_size_type tocopy = size - ncopied;
1033 if (tocopy > BUFSIZE)
1036 nread = bfd_bread (cbuf, tocopy, abfd);
1037 if (nread != tocopy)
1038 /* xgettext:c-format */
1039 fatal (_("%s is not a valid archive"),
1040 bfd_get_filename (abfd->my_archive));
1042 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast the
1043 return value to bfd_size_type to avoid comparison between signed and
1045 if ((bfd_size_type) fwrite (cbuf, 1, nread, stdout) != nread)
1046 fatal ("stdout: %s", strerror (errno));
1052 /* Extract a member of the archive into its own file.
1054 We defer opening the new file until after we have read a BUFSIZ chunk of the
1055 old one, since we know we have just read the archive header for the old
1056 one. Since most members are shorter than BUFSIZ, this means we will read
1057 the old header, read the old data, write a new inode for the new file, and
1058 write the new data, and be done. This 'optimization' is what comes from
1059 sitting next to a bare disk and hearing it every time it seeks. -- Gnu
1063 extract_file (bfd *abfd)
1066 char *cbuf = (char *) xmalloc (BUFSIZE);
1067 bfd_size_type nread, tocopy;
1068 bfd_size_type ncopied = 0;
1072 /* PR binutils/17533: Do not allow directory traversal
1073 outside of the current directory tree. */
1074 if (! is_valid_archive_path (bfd_get_filename (abfd)))
1076 non_fatal (_("illegal pathname found in archive member: %s"),
1077 bfd_get_filename (abfd));
1082 if (bfd_stat_arch_elt (abfd, &buf) != 0)
1083 /* xgettext:c-format */
1084 fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
1088 printf ("x - %s\n", bfd_get_filename (abfd));
1090 bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
1095 /* Seems like an abstraction violation, eh? Well it's OK! */
1096 output_filename = bfd_get_filename (abfd);
1098 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1099 if (ostream == NULL)
1101 perror (bfd_get_filename (abfd));
1105 output_file = ostream;
1108 while (ncopied < size)
1110 tocopy = size - ncopied;
1111 if (tocopy > BUFSIZE)
1114 nread = bfd_bread (cbuf, tocopy, abfd);
1115 if (nread != tocopy)
1116 /* xgettext:c-format */
1117 fatal (_("%s is not a valid archive"),
1118 bfd_get_filename (abfd->my_archive));
1120 /* See comment above; this saves disk arm motion */
1121 if (ostream == NULL)
1123 /* Seems like an abstraction violation, eh? Well it's OK! */
1124 output_filename = bfd_get_filename (abfd);
1126 ostream = fopen (bfd_get_filename (abfd), FOPEN_WB);
1127 if (ostream == NULL)
1129 perror (bfd_get_filename (abfd));
1133 output_file = ostream;
1136 /* fwrite in mingw32 may return int instead of bfd_size_type. Cast
1137 the return value to bfd_size_type to avoid comparison between
1138 signed and unsigned values. */
1139 if ((bfd_size_type) fwrite (cbuf, 1, nread, ostream) != nread)
1140 fatal ("%s: %s", output_filename, strerror (errno));
1144 if (ostream != NULL)
1148 output_filename = NULL;
1150 chmod (bfd_get_filename (abfd), buf.st_mode);
1154 /* Set access time to modification time. Only st_mtime is
1155 initialized by bfd_stat_arch_elt. */
1156 buf.st_atime = buf.st_mtime;
1157 set_times (bfd_get_filename (abfd), &buf);
1164 write_archive (bfd *iarch)
1167 char *old_name, *new_name;
1168 bfd *contents_head = iarch->archive_next;
1170 old_name = (char *) xmalloc (strlen (bfd_get_filename (iarch)) + 1);
1171 strcpy (old_name, bfd_get_filename (iarch));
1172 new_name = make_tempname (old_name);
1174 if (new_name == NULL)
1175 bfd_fatal (_("could not create temporary file whilst writing archive"));
1177 output_filename = new_name;
1179 obfd = bfd_openw (new_name, bfd_get_target (iarch));
1182 bfd_fatal (old_name);
1186 bfd_set_format (obfd, bfd_archive);
1188 /* Request writing the archive symbol table unless we've
1189 been explicitly requested not to. */
1190 obfd->has_armap = write_armap >= 0;
1194 /* This should really use bfd_set_file_flags, but that rejects
1196 obfd->flags |= BFD_TRADITIONAL_FORMAT;
1200 obfd->flags |= BFD_DETERMINISTIC_OUTPUT;
1202 if (make_thin_archive || bfd_is_thin_archive (iarch))
1203 bfd_is_thin_archive (obfd) = 1;
1205 if (!bfd_set_archive_head (obfd, contents_head))
1206 bfd_fatal (old_name);
1208 if (!bfd_close (obfd))
1209 bfd_fatal (old_name);
1212 output_filename = NULL;
1214 /* We don't care if this fails; we might be creating the archive. */
1217 if (smart_rename (new_name, old_name, 0) != 0)
1223 /* Return a pointer to the pointer to the entry which should be rplacd'd
1224 into when altering. DEFAULT_POS should be how to interpret pos_default,
1225 and should be a pos value. */
1228 get_pos_bfd (bfd **contents, enum pos default_pos, const char *default_posname)
1230 bfd **after_bfd = contents;
1232 const char *realposname;
1234 if (postype == pos_default)
1236 realpos = default_pos;
1237 realposname = default_posname;
1242 realposname = posname;
1245 if (realpos == pos_end)
1248 after_bfd = &((*after_bfd)->archive_next);
1252 for (; *after_bfd; after_bfd = &(*after_bfd)->archive_next)
1253 if (FILENAME_CMP ((*after_bfd)->filename, realposname) == 0)
1255 if (realpos == pos_after)
1256 after_bfd = &(*after_bfd)->archive_next;
1264 delete_members (bfd *arch, char **files_to_delete)
1266 bfd **current_ptr_ptr;
1268 bfd_boolean something_changed = FALSE;
1271 for (; *files_to_delete != NULL; ++files_to_delete)
1273 /* In a.out systems, the armap is optional. It's also called
1274 __.SYMDEF. So if the user asked to delete it, we should remember
1275 that fact. This isn't quite right for COFF systems (where
1276 __.SYMDEF might be regular member), but it's very unlikely
1277 to be a problem. FIXME */
1279 if (!strcmp (*files_to_delete, "__.SYMDEF"))
1281 arch->has_armap = FALSE;
1288 current_ptr_ptr = &(arch->archive_next);
1289 while (*current_ptr_ptr)
1291 if (FILENAME_CMP (normalize (*files_to_delete, arch),
1292 (*current_ptr_ptr)->filename) == 0)
1295 if (counted_name_mode
1296 && match_count != counted_name_counter)
1298 /* Counting, and didn't match on count; go on to the
1304 something_changed = TRUE;
1308 *current_ptr_ptr = ((*current_ptr_ptr)->archive_next);
1313 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1316 if (verbose && !found)
1318 /* xgettext:c-format */
1319 printf (_("No member named `%s'\n"), *files_to_delete);
1325 if (something_changed)
1326 write_archive (arch);
1328 output_filename = NULL;
1332 /* Reposition existing members within an archive */
1335 move_members (bfd *arch, char **files_to_move)
1337 bfd **after_bfd; /* New entries go after this one */
1338 bfd **current_ptr_ptr; /* cdr pointer into contents */
1340 for (; *files_to_move; ++files_to_move)
1342 current_ptr_ptr = &(arch->archive_next);
1343 while (*current_ptr_ptr)
1345 bfd *current_ptr = *current_ptr_ptr;
1346 if (FILENAME_CMP (normalize (*files_to_move, arch),
1347 current_ptr->filename) == 0)
1349 /* Move this file to the end of the list - first cut from
1352 *current_ptr_ptr = current_ptr->archive_next;
1354 /* Now glue to end */
1355 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1356 link_bfd = *after_bfd;
1357 *after_bfd = current_ptr;
1358 current_ptr->archive_next = link_bfd;
1361 printf ("m - %s\n", *files_to_move);
1366 current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
1368 /* xgettext:c-format */
1369 fatal (_("no entry %s in archive %s!"), *files_to_move, arch->filename);
1374 write_archive (arch);
1377 /* Ought to default to replacing in place, but this is existing practice! */
1380 replace_members (bfd *arch, char **files_to_move, bfd_boolean quick)
1382 bfd_boolean changed = FALSE;
1383 bfd **after_bfd; /* New entries go after this one. */
1387 while (files_to_move && *files_to_move)
1391 current_ptr = &arch->archive_next;
1392 while (*current_ptr)
1394 current = *current_ptr;
1396 /* For compatibility with existing ar programs, we
1397 permit the same file to be added multiple times. */
1398 if (FILENAME_CMP (normalize (*files_to_move, arch),
1399 normalize (current->filename, arch)) == 0
1400 && current->arelt_data != NULL)
1404 struct stat fsbuf, asbuf;
1406 if (stat (*files_to_move, &fsbuf) != 0)
1408 if (errno != ENOENT)
1409 bfd_fatal (*files_to_move);
1412 if (bfd_stat_arch_elt (current, &asbuf) != 0)
1413 /* xgettext:c-format */
1414 fatal (_("internal stat error on %s"),
1417 if (fsbuf.st_mtime <= asbuf.st_mtime)
1421 after_bfd = get_pos_bfd (&arch->archive_next, pos_after,
1423 if (ar_emul_replace (after_bfd, *files_to_move,
1426 /* Snip out this entry from the chain. */
1427 *current_ptr = (*current_ptr)->archive_next;
1433 current_ptr = &(current->archive_next);
1437 /* Add to the end of the archive. */
1438 after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
1440 if (ar_emul_append (after_bfd, *files_to_move, target,
1441 verbose, make_thin_archive))
1450 write_archive (arch);
1452 output_filename = NULL;
1456 ranlib_only (const char *archname)
1460 if (get_file_size (archname) < 1)
1463 arch = open_inarch (archname, (char *) NULL);
1466 write_archive (arch);
1470 /* Update the timestamp of the symbol map of an archive. */
1473 ranlib_touch (const char *archname)
1476 /* I don't think updating works on go32. */
1477 ranlib_only (archname);
1483 if (get_file_size (archname) < 1)
1485 f = open (archname, O_RDWR | O_BINARY, 0);
1488 bfd_set_error (bfd_error_system_call);
1489 bfd_fatal (archname);
1492 arch = bfd_fdopenr (archname, (const char *) NULL, f);
1494 bfd_fatal (archname);
1495 if (! bfd_check_format_matches (arch, bfd_archive, &matching))
1497 bfd_nonfatal (archname);
1498 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1500 list_matching_formats (matching);
1506 if (! bfd_has_map (arch))
1507 /* xgettext:c-format */
1508 fatal (_("%s: no archive map to update"), archname);
1511 arch->flags |= BFD_DETERMINISTIC_OUTPUT;
1513 bfd_update_armap_timestamp (arch);
1515 if (! bfd_close (arch))
1516 bfd_fatal (archname);
1521 /* Things which are interesting to map over all or some of the files: */
1524 print_descr (bfd *abfd)
1526 print_arelt_descr (stdout, abfd, verbose, display_offsets);