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Diffstat (limited to 'binutils-2.25/binutils/ar.c')
| -rw-r--r-- | binutils-2.25/binutils/ar.c | 1479 |
1 files changed, 1479 insertions, 0 deletions
diff --git a/binutils-2.25/binutils/ar.c b/binutils-2.25/binutils/ar.c new file mode 100644 index 00000000..a11ed15c --- /dev/null +++ b/binutils-2.25/binutils/ar.c @@ -0,0 +1,1479 @@ +/* ar.c - Archive modify and extract. + Copyright 1991-2013 Free Software Foundation, Inc. + + This file is part of GNU Binutils. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* + Bugs: GNU ar used to check file against filesystem in quick_update and + replace operations (would check mtime). Doesn't warn when name truncated. + No way to specify pos_end. Error messages should be more consistent. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libiberty.h" +#include "progress.h" +#include "getopt.h" +#include "aout/ar.h" +#include "libbfd.h" +#include "bucomm.h" +#include "arsup.h" +#include "filenames.h" +#include "binemul.h" +#include "plugin.h" + +#ifdef __GO32___ +#define EXT_NAME_LEN 3 /* Bufflen of addition to name if it's MS-DOS. */ +#else +#define EXT_NAME_LEN 6 /* Ditto for *NIX. */ +#endif + +/* Static declarations. */ + +static void mri_emul (void); +static const char *normalize (const char *, bfd *); +static void remove_output (void); +static void map_over_members (bfd *, void (*)(bfd *), char **, int); +static void print_contents (bfd * member); +static void delete_members (bfd *, char **files_to_delete); + +static void move_members (bfd *, char **files_to_move); +static void replace_members + (bfd *, char **files_to_replace, bfd_boolean quick); +static void print_descr (bfd * abfd); +static void write_archive (bfd *); +static int ranlib_only (const char *archname); +static int ranlib_touch (const char *archname); +static void usage (int); + +/** Globals and flags. */ + +static int mri_mode; + +/* This flag distinguishes between ar and ranlib: + 1 means this is 'ranlib'; 0 means this is 'ar'. + -1 means if we should use argv[0] to decide. */ +extern int is_ranlib; + +/* Nonzero means don't warn about creating the archive file if necessary. */ +int silent_create = 0; + +/* Nonzero means describe each action performed. */ +int verbose = 0; + +/* Nonzero means preserve dates of members when extracting them. */ +int preserve_dates = 0; + +/* Nonzero means don't replace existing members whose dates are more recent + than the corresponding files. */ +int newer_only = 0; + +/* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF + member). -1 means we've been explicitly asked to not write a symbol table; + +1 means we've been explicitly asked to write it; + 0 is the default. + Traditionally, the default in BSD has been to not write the table. + However, for POSIX.2 compliance the default is now to write a symbol table + if any of the members are object files. */ +int write_armap = 0; + +/* Operate in deterministic mode: write zero for timestamps, uids, + and gids for archive members and the archive symbol table, and write + consistent file modes. */ +int deterministic = -1; /* Determinism indeterminate. */ + +/* Nonzero means it's the name of an existing member; position new or moved + files with respect to this one. */ +char *posname = NULL; + +/* Sez how to use `posname': pos_before means position before that member. + pos_after means position after that member. pos_end means always at end. + pos_default means default appropriately. For the latter two, `posname' + should also be zero. */ +enum pos + { + pos_default, pos_before, pos_after, pos_end + } postype = pos_default; + +enum operations + { + none = 0, del, replace, print_table, + print_files, extract, move, quick_append + } operation = none; + +static bfd ** +get_pos_bfd (bfd **, enum pos, const char *); + +/* For extract/delete only. If COUNTED_NAME_MODE is TRUE, we only + extract the COUNTED_NAME_COUNTER instance of that name. */ +static bfd_boolean counted_name_mode = 0; +static int counted_name_counter = 0; + +/* Whether to truncate names of files stored in the archive. */ +static bfd_boolean ar_truncate = FALSE; + +/* Whether to use a full file name match when searching an archive. + This is convenient for archives created by the Microsoft lib + program. */ +static bfd_boolean full_pathname = FALSE; + +/* Whether to create a "thin" archive (symbol index only -- no files). */ +static bfd_boolean make_thin_archive = FALSE; + +static int show_version = 0; + +static int show_help = 0; + +static const char *plugin_target = NULL; + +static const char *target = NULL; + +#define OPTION_PLUGIN 201 +#define OPTION_TARGET 202 + +static struct option long_options[] = +{ + {"help", no_argument, &show_help, 1}, + {"plugin", required_argument, NULL, OPTION_PLUGIN}, + {"target", required_argument, NULL, OPTION_TARGET}, + {"version", no_argument, &show_version, 1}, + {NULL, no_argument, NULL, 0} +}; + +int interactive = 0; + +static void +mri_emul (void) +{ + interactive = isatty (fileno (stdin)); + yyparse (); +} + +/* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero, + COUNT is the length of the FILES chain; FUNCTION is called on each entry + whose name matches one in FILES. */ + +static void +map_over_members (bfd *arch, void (*function)(bfd *), char **files, int count) +{ + bfd *head; + int match_count; + + if (count == 0) + { + for (head = arch->archive_next; head; head = head->archive_next) + { + PROGRESS (1); + function (head); + } + return; + } + + /* This may appear to be a baroque way of accomplishing what we want. + However we have to iterate over the filenames in order to notice where + a filename is requested but does not exist in the archive. Ditto + mapping over each file each time -- we want to hack multiple + references. */ + + for (head = arch->archive_next; head; head = head->archive_next) + head->archive_pass = 0; + + for (; count > 0; files++, count--) + { + bfd_boolean found = FALSE; + + match_count = 0; + for (head = arch->archive_next; head; head = head->archive_next) + { + const char * filename; + + PROGRESS (1); + /* PR binutils/15796: Once an archive element has been matched + do not match it again. If the user provides multiple same-named + parameters on the command line their intent is to match multiple + same-named entries in the archive, not the same entry multiple + times. */ + if (head->archive_pass) + continue; + + filename = head->filename; + if (filename == NULL) + { + /* Some archive formats don't get the filenames filled in + until the elements are opened. */ + struct stat buf; + bfd_stat_arch_elt (head, &buf); + } + else if (bfd_is_thin_archive (arch)) + { + /* Thin archives store full pathnames. Need to normalize. */ + filename = normalize (filename, arch); + } + + if (filename != NULL + && !FILENAME_CMP (normalize (*files, arch), filename)) + { + ++match_count; + if (counted_name_mode + && match_count != counted_name_counter) + { + /* Counting, and didn't match on count; go on to the + next one. */ + continue; + } + + found = TRUE; + function (head); + head->archive_pass = 1; + /* PR binutils/15796: Once a file has been matched, do not + match any more same-named files in the archive. If the + user does want to match multiple same-name files in an + archive they should provide multiple same-name parameters + to the ar command. */ + break; + } + } + + if (!found) + /* xgettext:c-format */ + fprintf (stderr, _("no entry %s in archive\n"), *files); + } +} + +bfd_boolean operation_alters_arch = FALSE; + +static void +usage (int help) +{ + FILE *s; + +#if BFD_SUPPORTS_PLUGINS + /* xgettext:c-format */ + const char *command_line + = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]" + " [--plugin <name>] [member-name] [count] archive-file file...\n"); + +#else + /* xgettext:c-format */ + const char *command_line + = _("Usage: %s [emulation options] [-]{dmpqrstx}[abcDfilMNoPsSTuvV]" + " [member-name] [count] archive-file file...\n"); +#endif + s = help ? stdout : stderr; + + fprintf (s, command_line, program_name); + + /* xgettext:c-format */ + fprintf (s, _(" %s -M [<mri-script]\n"), program_name); + fprintf (s, _(" commands:\n")); + fprintf (s, _(" d - delete file(s) from the archive\n")); + fprintf (s, _(" m[ab] - move file(s) in the archive\n")); + fprintf (s, _(" p - print file(s) found in the archive\n")); + fprintf (s, _(" q[f] - quick append file(s) to the archive\n")); + fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n")); + fprintf (s, _(" s - act as ranlib\n")); + fprintf (s, _(" t - display contents of archive\n")); + fprintf (s, _(" x[o] - extract file(s) from the archive\n")); + fprintf (s, _(" command specific modifiers:\n")); + fprintf (s, _(" [a] - put file(s) after [member-name]\n")); + fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n")); + if (DEFAULT_AR_DETERMINISTIC) + { + fprintf (s, _("\ + [D] - use zero for timestamps and uids/gids (default)\n")); + fprintf (s, _("\ + [U] - use actual timestamps and uids/gids\n")); + } + else + { + fprintf (s, _("\ + [D] - use zero for timestamps and uids/gids\n")); + fprintf (s, _("\ + [U] - use actual timestamps and uids/gids (default)\n")); + } + fprintf (s, _(" [N] - use instance [count] of name\n")); + fprintf (s, _(" [f] - truncate inserted file names\n")); + fprintf (s, _(" [P] - use full path names when matching\n")); + fprintf (s, _(" [o] - preserve original dates\n")); + fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n")); + fprintf (s, _(" generic modifiers:\n")); + fprintf (s, _(" [c] - do not warn if the library had to be created\n")); + fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n")); + fprintf (s, _(" [S] - do not build a symbol table\n")); + fprintf (s, _(" [T] - make a thin archive\n")); + fprintf (s, _(" [v] - be verbose\n")); + fprintf (s, _(" [V] - display the version number\n")); + fprintf (s, _(" @<file> - read options from <file>\n")); + fprintf (s, _(" --target=BFDNAME - specify the target object format as BFDNAME\n")); +#if BFD_SUPPORTS_PLUGINS + fprintf (s, _(" optional:\n")); + fprintf (s, _(" --plugin <p> - load the specified plugin\n")); +#endif + + ar_emul_usage (s); + + list_supported_targets (program_name, s); + + if (REPORT_BUGS_TO[0] && help) + fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO); + + xexit (help ? 0 : 1); +} + +static void +ranlib_usage (int help) +{ + FILE *s; + + s = help ? stdout : stderr; + + /* xgettext:c-format */ + fprintf (s, _("Usage: %s [options] archive\n"), program_name); + fprintf (s, _(" Generate an index to speed access to archives\n")); + fprintf (s, _(" The options are:\n\ + @<file> Read options from <file>\n")); +#if BFD_SUPPORTS_PLUGINS + fprintf (s, _("\ + --plugin <name> Load the specified plugin\n")); +#endif + if (DEFAULT_AR_DETERMINISTIC) + fprintf (s, _("\ + -D Use zero for symbol map timestamp (default)\n\ + -U Use an actual symbol map timestamp\n")); + else + fprintf (s, _("\ + -D Use zero for symbol map timestamp\n\ + -U Use actual symbol map timestamp (default)\n")); + fprintf (s, _("\ + -t Update the archive's symbol map timestamp\n\ + -h --help Print this help message\n\ + -v --version Print version information\n")); + + list_supported_targets (program_name, s); + + if (REPORT_BUGS_TO[0] && help) + fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO); + + xexit (help ? 0 : 1); +} + +/* Normalize a file name specified on the command line into a file + name which we will use in an archive. */ + +static const char * +normalize (const char *file, bfd *abfd) +{ + const char *filename; + + if (full_pathname) + return file; + + filename = lbasename (file); + + if (ar_truncate + && abfd != NULL + && strlen (filename) > abfd->xvec->ar_max_namelen) + { + char *s; + + /* Space leak. */ + s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1); + memcpy (s, filename, abfd->xvec->ar_max_namelen); + s[abfd->xvec->ar_max_namelen] = '\0'; + filename = s; + } + + return filename; +} + +/* Remove any output file. This is only called via xatexit. */ + +static const char *output_filename = NULL; +static FILE *output_file = NULL; +static bfd *output_bfd = NULL; + +static void +remove_output (void) +{ + if (output_filename != NULL) + { + if (output_bfd != NULL) + bfd_cache_close (output_bfd); + if (output_file != NULL) + fclose (output_file); + unlink_if_ordinary (output_filename); + } +} + +static char ** +decode_options (int argc, char **argv) +{ + int c; + + /* Convert old-style tar call by exploding option element and rearranging + options accordingly. */ + + if (argc > 1 && argv[1][0] != '-') + { + int new_argc; /* argc value for rearranged arguments */ + char **new_argv; /* argv value for rearranged arguments */ + char *const *in; /* cursor into original argv */ + char **out; /* cursor into rearranged argv */ + const char *letter; /* cursor into old option letters */ + char buffer[3]; /* constructed option buffer */ + + /* Initialize a constructed option. */ + + buffer[0] = '-'; + buffer[2] = '\0'; + + /* Allocate a new argument array, and copy program name in it. */ + + new_argc = argc - 1 + strlen (argv[1]); + new_argv = xmalloc ((new_argc + 1) * sizeof (*argv)); + in = argv; + out = new_argv; + *out++ = *in++; + + /* Copy each old letter option as a separate option. */ + + for (letter = *in++; *letter; letter++) + { + buffer[1] = *letter; + *out++ = xstrdup (buffer); + } + + /* Copy all remaining options. */ + + while (in < argv + argc) + *out++ = *in++; + *out = NULL; + + /* Replace the old option list by the new one. */ + + argc = new_argc; + argv = new_argv; + } + + while ((c = getopt_long (argc, argv, "hdmpqrtxlcoVsSuvabiMNfPTDU", + long_options, NULL)) != EOF) + { + switch (c) + { + case 'd': + case 'm': + case 'p': + case 'q': + case 'r': + case 't': + case 'x': + if (operation != none) + fatal (_("two different operation options specified")); + break; + } + + switch (c) + { + case 'h': + show_help = 1; + break; + case 'd': + operation = del; + operation_alters_arch = TRUE; + break; + case 'm': + operation = move; + operation_alters_arch = TRUE; + break; + case 'p': + operation = print_files; + break; + case 'q': + operation = quick_append; + operation_alters_arch = TRUE; + break; + case 'r': + operation = replace; + operation_alters_arch = TRUE; + break; + case 't': + operation = print_table; + break; + case 'x': + operation = extract; + break; + case 'l': + break; + case 'c': + silent_create = 1; + break; + case 'o': + preserve_dates = 1; + break; + case 'V': + show_version = TRUE; + break; + case 's': + write_armap = 1; + break; + case 'S': + write_armap = -1; + break; + case 'u': + newer_only = 1; + break; + case 'v': + verbose = 1; + break; + case 'a': + postype = pos_after; + break; + case 'b': + postype = pos_before; + break; + case 'i': + postype = pos_before; + break; + case 'M': + mri_mode = 1; + break; + case 'N': + counted_name_mode = TRUE; + break; + case 'f': + ar_truncate = TRUE; + break; + case 'P': + full_pathname = TRUE; + break; + case 'T': + make_thin_archive = TRUE; + break; + case 'D': + deterministic = TRUE; + break; + case 'U': + deterministic = FALSE; + break; + case OPTION_PLUGIN: +#if BFD_SUPPORTS_PLUGINS + plugin_target = "plugin"; + bfd_plugin_set_plugin (optarg); +#else + fprintf (stderr, _("sorry - this program has been built without plugin support\n")); + xexit (1); +#endif + break; + case OPTION_TARGET: + target = optarg; + break; + case 0: /* A long option that just sets a flag. */ + break; + default: + usage (0); + } + } + + return &argv[optind]; +} + +/* If neither -D nor -U was specified explicitly, + then use the configured default. */ +static void +default_deterministic (void) +{ + if (deterministic < 0) + deterministic = DEFAULT_AR_DETERMINISTIC; +} + +static void +ranlib_main (int argc, char **argv) +{ + int arg_index, status = 0; + bfd_boolean touch = FALSE; + int c; + + while ((c = getopt_long (argc, argv, "DhHUvVt", long_options, NULL)) != EOF) + { + switch (c) + { + case 'D': + deterministic = TRUE; + break; + case 'U': + deterministic = FALSE; + break; + case 'h': + case 'H': + show_help = 1; + break; + case 't': + touch = TRUE; + break; + case 'v': + case 'V': + show_version = 1; + break; + + /* PR binutils/13493: Support plugins. */ + case OPTION_PLUGIN: +#if BFD_SUPPORTS_PLUGINS + plugin_target = "plugin"; + bfd_plugin_set_plugin (optarg); +#else + fprintf (stderr, _("sorry - this program has been built without plugin support\n")); + xexit (1); +#endif + break; + } + } + + if (argc < 2) + ranlib_usage (0); + + if (show_help) + ranlib_usage (1); + + if (show_version) + print_version ("ranlib"); + + default_deterministic (); + + arg_index = optind; + + while (arg_index < argc) + { + if (! touch) + status |= ranlib_only (argv[arg_index]); + else + status |= ranlib_touch (argv[arg_index]); + ++arg_index; + } + + xexit (status); +} + +int main (int, char **); + +int +main (int argc, char **argv) +{ + int arg_index; + char **files; + int file_count; + char *inarch_filename; + int i; + +#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) + setlocale (LC_MESSAGES, ""); +#endif +#if defined (HAVE_SETLOCALE) + setlocale (LC_CTYPE, ""); +#endif + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + program_name = argv[0]; + xmalloc_set_program_name (program_name); +#if BFD_SUPPORTS_PLUGINS + bfd_plugin_set_program_name (program_name); +#endif + + expandargv (&argc, &argv); + + if (is_ranlib < 0) + { + const char *temp = lbasename (program_name); + + if (strlen (temp) >= 6 + && FILENAME_CMP (temp + strlen (temp) - 6, "ranlib") == 0) + is_ranlib = 1; + else + is_ranlib = 0; + } + + START_PROGRESS (program_name, 0); + + bfd_init (); + set_default_bfd_target (); + + xatexit (remove_output); + + for (i = 1; i < argc; i++) + if (! ar_emul_parse_arg (argv[i])) + break; + argv += (i - 1); + argc -= (i - 1); + + if (is_ranlib) + ranlib_main (argc, argv); + + if (argc < 2) + usage (0); + + argv = decode_options (argc, argv); + + if (show_help) + usage (1); + + if (show_version) + print_version ("ar"); + + arg_index = 0; + + if (mri_mode) + { + default_deterministic (); + mri_emul (); + } + else + { + bfd *arch; + + /* We don't use do_quick_append any more. Too many systems + expect ar to always rebuild the symbol table even when q is + used. */ + + /* We can't write an armap when using ar q, so just do ar r + instead. */ + if (operation == quick_append && write_armap) + operation = replace; + + if ((operation == none || operation == print_table) + && write_armap == 1) + xexit (ranlib_only (argv[arg_index])); + + if (operation == none) + fatal (_("no operation specified")); + + if (newer_only && operation != replace) + fatal (_("`u' is only meaningful with the `r' option.")); + + if (newer_only && deterministic > 0) + fatal (_("`u' is not meaningful with the `D' option.")); + + if (newer_only && deterministic < 0 && DEFAULT_AR_DETERMINISTIC) + non_fatal (_("\ +`u' modifier ignored since `D' is the default (see `U')")); + + default_deterministic (); + + if (postype != pos_default) + posname = argv[arg_index++]; + + if (counted_name_mode) + { + if (operation != extract && operation != del) + fatal (_("`N' is only meaningful with the `x' and `d' options.")); + counted_name_counter = atoi (argv[arg_index++]); + if (counted_name_counter <= 0) + fatal (_("Value for `N' must be positive.")); + } + + inarch_filename = argv[arg_index++]; + + for (file_count = 0; argv[arg_index + file_count] != NULL; file_count++) + continue; + + files = (file_count > 0) ? argv + arg_index : NULL; + + arch = open_inarch (inarch_filename, + files == NULL ? (char *) NULL : files[0]); + + if (operation == extract && bfd_is_thin_archive (arch)) + fatal (_("`x' cannot be used on thin archives.")); + + switch (operation) + { + case print_table: + map_over_members (arch, print_descr, files, file_count); + break; + + case print_files: + map_over_members (arch, print_contents, files, file_count); + break; + + case extract: + map_over_members (arch, extract_file, files, file_count); + break; + + case del: + if (files != NULL) + delete_members (arch, files); + else + output_filename = NULL; + break; + + case move: + /* PR 12558: Creating and moving at the same time does + not make sense. Just create the archive instead. */ + if (! silent_create) + { + if (files != NULL) + move_members (arch, files); + else + output_filename = NULL; + break; + } + /* Fall through. */ + + case replace: + case quick_append: + if (files != NULL || write_armap > 0) + replace_members (arch, files, operation == quick_append); + else + output_filename = NULL; + break; + + /* Shouldn't happen! */ + default: + /* xgettext:c-format */ + fatal (_("internal error -- this option not implemented")); + } + } + + END_PROGRESS (program_name); + + xexit (0); + return 0; +} + +bfd * +open_inarch (const char *archive_filename, const char *file) +{ + bfd **last_one; + bfd *next_one; + struct stat sbuf; + bfd *arch; + char **matching; + + bfd_set_error (bfd_error_no_error); + + if (target == NULL) + target = plugin_target; + + if (stat (archive_filename, &sbuf) != 0) + { +#if !defined(__GO32__) || defined(__DJGPP__) + + /* FIXME: I don't understand why this fragment was ifndef'ed + away for __GO32__; perhaps it was in the days of DJGPP v1.x. + stat() works just fine in v2.x, so I think this should be + removed. For now, I enable it for DJGPP v2. -- EZ. */ + + /* KLUDGE ALERT! Temporary fix until I figger why + stat() is wrong ... think it's buried in GO32's IDT - Jax */ + if (errno != ENOENT) + bfd_fatal (archive_filename); +#endif + + if (!operation_alters_arch) + { + fprintf (stderr, "%s: ", program_name); + perror (archive_filename); + maybequit (); + return NULL; + } + + /* If the target isn't set, try to figure out the target to use + for the archive from the first object on the list. */ + if (target == NULL && file != NULL) + { + bfd *obj; + + obj = bfd_openr (file, target); + if (obj != NULL) + { + if (bfd_check_format (obj, bfd_object)) + target = bfd_get_target (obj); + (void) bfd_close (obj); + } + } + + /* Create an empty archive. */ + arch = bfd_openw (archive_filename, target); + if (arch == NULL + || ! bfd_set_format (arch, bfd_archive) + || ! bfd_close (arch)) + bfd_fatal (archive_filename); + else if (!silent_create) + non_fatal (_("creating %s"), archive_filename); + + /* If we die creating a new archive, don't leave it around. */ + output_filename = archive_filename; + } + + arch = bfd_openr (archive_filename, target); + if (arch == NULL) + { + bloser: + bfd_fatal (archive_filename); + } + + if (! bfd_check_format_matches (arch, bfd_archive, &matching)) + { + bfd_nonfatal (archive_filename); + if (bfd_get_error () == bfd_error_file_ambiguously_recognized) + { + list_matching_formats (matching); + free (matching); + } + xexit (1); + } + + if ((operation == replace || operation == quick_append) + && bfd_openr_next_archived_file (arch, NULL) != NULL) + { + /* PR 15140: Catch attempts to convert a normal + archive into a thin archive or vice versa. */ + if (make_thin_archive && ! bfd_is_thin_archive (arch)) + { + fatal (_("Cannot convert existing library %s to thin format"), + bfd_get_filename (arch)); + goto bloser; + } + else if (! make_thin_archive && bfd_is_thin_archive (arch)) + { + fatal (_("Cannot convert existing thin library %s to normal format"), + bfd_get_filename (arch)); + goto bloser; + } + } + + last_one = &(arch->archive_next); + /* Read all the contents right away, regardless. */ + for (next_one = bfd_openr_next_archived_file (arch, NULL); + next_one; + next_one = bfd_openr_next_archived_file (arch, next_one)) + { + PROGRESS (1); + *last_one = next_one; + last_one = &next_one->archive_next; + } + *last_one = (bfd *) NULL; + if (bfd_get_error () != bfd_error_no_more_archived_files) + goto bloser; + return arch; +} + +static void +print_contents (bfd *abfd) +{ + bfd_size_type ncopied = 0; + bfd_size_type size; + char *cbuf = (char *) xmalloc (BUFSIZE); + struct stat buf; + + if (bfd_stat_arch_elt (abfd, &buf) != 0) + /* xgettext:c-format */ + fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); + + if (verbose) + printf ("\n<%s>\n\n", bfd_get_filename (abfd)); + + bfd_seek (abfd, (file_ptr) 0, SEEK_SET); + + size = buf.st_size; + while (ncopied < size) + { + bfd_size_type nread; + bfd_size_type tocopy = size - ncopied; + + if (tocopy > BUFSIZE) + tocopy = BUFSIZE; + + nread = bfd_bread (cbuf, tocopy, abfd); + if (nread != tocopy) + /* xgettext:c-format */ + fatal (_("%s is not a valid archive"), + bfd_get_filename (bfd_my_archive (abfd))); + + /* fwrite in mingw32 may return int instead of bfd_size_type. Cast the + return value to bfd_size_type to avoid comparison between signed and + unsigned values. */ + if ((bfd_size_type) fwrite (cbuf, 1, nread, stdout) != nread) + fatal ("stdout: %s", strerror (errno)); + ncopied += tocopy; + } + free (cbuf); +} + +/* Extract a member of the archive into its own file. + + We defer opening the new file until after we have read a BUFSIZ chunk of the + old one, since we know we have just read the archive header for the old + one. Since most members are shorter than BUFSIZ, this means we will read + the old header, read the old data, write a new inode for the new file, and + write the new data, and be done. This 'optimization' is what comes from + sitting next to a bare disk and hearing it every time it seeks. -- Gnu + Gilmore */ + +void +extract_file (bfd *abfd) +{ + FILE *ostream; + char *cbuf = (char *) xmalloc (BUFSIZE); + bfd_size_type nread, tocopy; + bfd_size_type ncopied = 0; + bfd_size_type size; + struct stat buf; + + if (bfd_stat_arch_elt (abfd, &buf) != 0) + /* xgettext:c-format */ + fatal (_("internal stat error on %s"), bfd_get_filename (abfd)); + size = buf.st_size; + + if (verbose) + printf ("x - %s\n", bfd_get_filename (abfd)); + + bfd_seek (abfd, (file_ptr) 0, SEEK_SET); + + ostream = NULL; + if (size == 0) + { + /* Seems like an abstraction violation, eh? Well it's OK! */ + output_filename = bfd_get_filename (abfd); + + ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); + if (ostream == NULL) + { + perror (bfd_get_filename (abfd)); + xexit (1); + } + + output_file = ostream; + } + else + while (ncopied < size) + { + tocopy = size - ncopied; + if (tocopy > BUFSIZE) + tocopy = BUFSIZE; + + nread = bfd_bread (cbuf, tocopy, abfd); + if (nread != tocopy) + /* xgettext:c-format */ + fatal (_("%s is not a valid archive"), + bfd_get_filename (bfd_my_archive (abfd))); + + /* See comment above; this saves disk arm motion */ + if (ostream == NULL) + { + /* Seems like an abstraction violation, eh? Well it's OK! */ + output_filename = bfd_get_filename (abfd); + + ostream = fopen (bfd_get_filename (abfd), FOPEN_WB); + if (ostream == NULL) + { + perror (bfd_get_filename (abfd)); + xexit (1); + } + + output_file = ostream; + } + + /* fwrite in mingw32 may return int instead of bfd_size_type. Cast + the return value to bfd_size_type to avoid comparison between + signed and unsigned values. */ + if ((bfd_size_type) fwrite (cbuf, 1, nread, ostream) != nread) + fatal ("%s: %s", output_filename, strerror (errno)); + ncopied += tocopy; + } + + if (ostream != NULL) + fclose (ostream); + + output_file = NULL; + output_filename = NULL; + + chmod (bfd_get_filename (abfd), buf.st_mode); + + if (preserve_dates) + { + /* Set access time to modification time. Only st_mtime is + initialized by bfd_stat_arch_elt. */ + buf.st_atime = buf.st_mtime; + set_times (bfd_get_filename (abfd), &buf); + } + + free (cbuf); +} + +static void +write_archive (bfd *iarch) +{ + bfd *obfd; + char *old_name, *new_name; + bfd *contents_head = iarch->archive_next; + + old_name = (char *) xmalloc (strlen (bfd_get_filename (iarch)) + 1); + strcpy (old_name, bfd_get_filename (iarch)); + new_name = make_tempname (old_name); + + if (new_name == NULL) + bfd_fatal (_("could not create temporary file whilst writing archive")); + + output_filename = new_name; + + obfd = bfd_openw (new_name, bfd_get_target (iarch)); + + if (obfd == NULL) + bfd_fatal (old_name); + + output_bfd = obfd; + + bfd_set_format (obfd, bfd_archive); + + /* Request writing the archive symbol table unless we've + been explicitly requested not to. */ + obfd->has_armap = write_armap >= 0; + + if (ar_truncate) + { + /* This should really use bfd_set_file_flags, but that rejects + archives. */ + obfd->flags |= BFD_TRADITIONAL_FORMAT; + } + + if (deterministic) + obfd->flags |= BFD_DETERMINISTIC_OUTPUT; + + if (make_thin_archive || bfd_is_thin_archive (iarch)) + bfd_is_thin_archive (obfd) = 1; + + if (!bfd_set_archive_head (obfd, contents_head)) + bfd_fatal (old_name); + + if (!bfd_close (obfd)) + bfd_fatal (old_name); + + output_bfd = NULL; + output_filename = NULL; + + /* We don't care if this fails; we might be creating the archive. */ + bfd_close (iarch); + + if (smart_rename (new_name, old_name, 0) != 0) + xexit (1); + free (old_name); +} + +/* Return a pointer to the pointer to the entry which should be rplacd'd + into when altering. DEFAULT_POS should be how to interpret pos_default, + and should be a pos value. */ + +static bfd ** +get_pos_bfd (bfd **contents, enum pos default_pos, const char *default_posname) +{ + bfd **after_bfd = contents; + enum pos realpos; + const char *realposname; + + if (postype == pos_default) + { + realpos = default_pos; + realposname = default_posname; + } + else + { + realpos = postype; + realposname = posname; + } + + if (realpos == pos_end) + { + while (*after_bfd) + after_bfd = &((*after_bfd)->archive_next); + } + else + { + for (; *after_bfd; after_bfd = &(*after_bfd)->archive_next) + if (FILENAME_CMP ((*after_bfd)->filename, realposname) == 0) + { + if (realpos == pos_after) + after_bfd = &(*after_bfd)->archive_next; + break; + } + } + return after_bfd; +} + +static void +delete_members (bfd *arch, char **files_to_delete) +{ + bfd **current_ptr_ptr; + bfd_boolean found; + bfd_boolean something_changed = FALSE; + int match_count; + + for (; *files_to_delete != NULL; ++files_to_delete) + { + /* In a.out systems, the armap is optional. It's also called + __.SYMDEF. So if the user asked to delete it, we should remember + that fact. This isn't quite right for COFF systems (where + __.SYMDEF might be regular member), but it's very unlikely + to be a problem. FIXME */ + + if (!strcmp (*files_to_delete, "__.SYMDEF")) + { + arch->has_armap = FALSE; + write_armap = -1; + continue; + } + + found = FALSE; + match_count = 0; + current_ptr_ptr = &(arch->archive_next); + while (*current_ptr_ptr) + { + if (FILENAME_CMP (normalize (*files_to_delete, arch), + (*current_ptr_ptr)->filename) == 0) + { + ++match_count; + if (counted_name_mode + && match_count != counted_name_counter) + { + /* Counting, and didn't match on count; go on to the + next one. */ + } + else + { + found = TRUE; + something_changed = TRUE; + if (verbose) + printf ("d - %s\n", + *files_to_delete); + *current_ptr_ptr = ((*current_ptr_ptr)->archive_next); + goto next_file; + } + } + + current_ptr_ptr = &((*current_ptr_ptr)->archive_next); + } + + if (verbose && !found) + { + /* xgettext:c-format */ + printf (_("No member named `%s'\n"), *files_to_delete); + } + next_file: + ; + } + + if (something_changed) + write_archive (arch); + else + output_filename = NULL; +} + + +/* Reposition existing members within an archive */ + +static void +move_members (bfd *arch, char **files_to_move) +{ + bfd **after_bfd; /* New entries go after this one */ + bfd **current_ptr_ptr; /* cdr pointer into contents */ + + for (; *files_to_move; ++files_to_move) + { + current_ptr_ptr = &(arch->archive_next); + while (*current_ptr_ptr) + { + bfd *current_ptr = *current_ptr_ptr; + if (FILENAME_CMP (normalize (*files_to_move, arch), + current_ptr->filename) == 0) + { + /* Move this file to the end of the list - first cut from + where it is. */ + bfd *link_bfd; + *current_ptr_ptr = current_ptr->archive_next; + + /* Now glue to end */ + after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL); + link_bfd = *after_bfd; + *after_bfd = current_ptr; + current_ptr->archive_next = link_bfd; + + if (verbose) + printf ("m - %s\n", *files_to_move); + + goto next_file; + } + + current_ptr_ptr = &((*current_ptr_ptr)->archive_next); + } + /* xgettext:c-format */ + fatal (_("no entry %s in archive %s!"), *files_to_move, arch->filename); + + next_file:; + } + + write_archive (arch); +} + +/* Ought to default to replacing in place, but this is existing practice! */ + +static void +replace_members (bfd *arch, char **files_to_move, bfd_boolean quick) +{ + bfd_boolean changed = FALSE; + bfd **after_bfd; /* New entries go after this one. */ + bfd *current; + bfd **current_ptr; + + while (files_to_move && *files_to_move) + { + if (! quick) + { + current_ptr = &arch->archive_next; + while (*current_ptr) + { + current = *current_ptr; + + /* For compatibility with existing ar programs, we + permit the same file to be added multiple times. */ + if (FILENAME_CMP (normalize (*files_to_move, arch), + normalize (current->filename, arch)) == 0 + && current->arelt_data != NULL) + { + if (newer_only) + { + struct stat fsbuf, asbuf; + + if (stat (*files_to_move, &fsbuf) != 0) + { + if (errno != ENOENT) + bfd_fatal (*files_to_move); + goto next_file; + } + if (bfd_stat_arch_elt (current, &asbuf) != 0) + /* xgettext:c-format */ + fatal (_("internal stat error on %s"), + current->filename); + + if (fsbuf.st_mtime <= asbuf.st_mtime) + goto next_file; + } + + after_bfd = get_pos_bfd (&arch->archive_next, pos_after, + current->filename); + if (ar_emul_replace (after_bfd, *files_to_move, + target, verbose)) + { + /* Snip out this entry from the chain. */ + *current_ptr = (*current_ptr)->archive_next; + changed = TRUE; + } + + goto next_file; + } + current_ptr = &(current->archive_next); + } + } + + /* Add to the end of the archive. */ + after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL); + + if (ar_emul_append (after_bfd, *files_to_move, target, + verbose, make_thin_archive)) + changed = TRUE; + + next_file:; + + files_to_move++; + } + + if (changed) + write_archive (arch); + else + output_filename = NULL; +} + +static int +ranlib_only (const char *archname) +{ + bfd *arch; + + if (get_file_size (archname) < 1) + return 1; + write_armap = 1; + arch = open_inarch (archname, (char *) NULL); + if (arch == NULL) + xexit (1); + write_archive (arch); + return 0; +} + +/* Update the timestamp of the symbol map of an archive. */ + +static int +ranlib_touch (const char *archname) +{ +#ifdef __GO32__ + /* I don't think updating works on go32. */ + ranlib_only (archname); +#else + int f; + bfd *arch; + char **matching; + + if (get_file_size (archname) < 1) + return 1; + f = open (archname, O_RDWR | O_BINARY, 0); + if (f < 0) + { + bfd_set_error (bfd_error_system_call); + bfd_fatal (archname); + } + + arch = bfd_fdopenr (archname, (const char *) NULL, f); + if (arch == NULL) + bfd_fatal (archname); + if (! bfd_check_format_matches (arch, bfd_archive, &matching)) + { + bfd_nonfatal (archname); + if (bfd_get_error () == bfd_error_file_ambiguously_recognized) + { + list_matching_formats (matching); + free (matching); + } + xexit (1); + } + + if (! bfd_has_map (arch)) + /* xgettext:c-format */ + fatal (_("%s: no archive map to update"), archname); + + if (deterministic) + arch->flags |= BFD_DETERMINISTIC_OUTPUT; + + bfd_update_armap_timestamp (arch); + + if (! bfd_close (arch)) + bfd_fatal (archname); +#endif + return 0; +} + +/* Things which are interesting to map over all or some of the files: */ + +static void +print_descr (bfd *abfd) +{ + print_arelt_descr (stdout, abfd, verbose); +} |