/* ar.c - Archive modify and extract.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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 2 of the License, or
+ 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,
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
\f
/*
Bugs: should use getopt the way tar does (complete w/optional -) and
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 "bucomm.h"
#include "aout/ar.h"
#include "libbfd.h"
+#include "bucomm.h"
#include "arsup.h"
#include "filenames.h"
#include "binemul.h"
+#include "plugin.h"
#include <sys/stat.h>
#ifdef __GO32___
-#define EXT_NAME_LEN 3 /* bufflen of addition to name if it's MS-DOS */
+#define EXT_NAME_LEN 3 /* Bufflen of addition to name if it's MS-DOS. */
#else
-#define EXT_NAME_LEN 6 /* ditto for *NIX */
+#define EXT_NAME_LEN 6 /* Ditto for *NIX. */
#endif
-/* We need to open files in binary modes on system where that makes a
- difference. */
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-#define BUFSIZE 8192
-
-/* Kludge declaration from BFD! This is ugly! FIXME! XXX */
+/* Kludge declaration from BFD! This is ugly! FIXME! XXX */
struct ar_hdr *
bfd_special_undocumented_glue (bfd * abfd, const char *filename);
-/* Static declarations */
+/* Static declarations. */
static void mri_emul (void);
static const char *normalize (const char *, bfd *);
static void print_contents (bfd * member);
static void delete_members (bfd *, char **files_to_delete);
-#if 0
-static void do_quick_append
- (const char *archive_filename, char **files_to_append);
-#endif
-
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 void ranlib_only (const char *archname);
-static void ranlib_touch (const char *archname);
+static int ranlib_only (const char *archname);
+static int ranlib_touch (const char *archname);
static void usage (int);
\f
-/** Globals and flags */
+/** Globals and flags. */
-int mri_mode;
+static int mri_mode;
/* This flag distinguishes between ar and ranlib:
1 means this is 'ranlib'; 0 means this is 'ar'.
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 = 0;
+
/* Nonzero means it's the name of an existing member; position new or moved
files with respect to this one. */
char *posname = NULL;
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;
+
int interactive = 0;
static void
if (count == 0)
{
- for (head = arch->next; head; head = head->next)
+ for (head = arch->archive_next; head; head = head->archive_next)
{
PROGRESS (1);
function (head);
bfd_boolean found = FALSE;
match_count = 0;
- for (head = arch->next; head; head = head->next)
+ for (head = arch->archive_next; head; head = head->archive_next)
{
+ const char * filename;
+
PROGRESS (1);
- if (head->filename == NULL)
+ 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);
}
- if ((head->filename != NULL) &&
- (!FILENAME_CMP (normalize (*files, arch), head->filename)))
+ 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
function (head);
}
}
+
if (!found)
/* xgettext:c-format */
fprintf (stderr, _("no entry %s in archive\n"), *files);
if (! is_ranlib)
{
/* xgettext:c-format */
- fprintf (s, _("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n"),
- program_name);
+ const char * command_line =
+#if BFD_SUPPORTS_PLUGINS
+ _("Usage: %s [emulation options] [--plugin <name>] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n");
+#else
+ _("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n");
+#endif
+ fprintf (s, command_line, program_name);
+
/* xgettext:c-format */
fprintf (s, _(" %s -M [<mri-script]\n"), program_name);
fprintf (s, _(" commands:\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"));
+ fprintf (s, _(" [D] - use zero for timestamps and uids/gids\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, _(" [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"));
+#if BFD_SUPPORTS_PLUGINS
+ fprintf (s, _(" optional:\n"));
+ fprintf (s, _(" --plugin <p> - load the specified plugin\n"));
+#endif
ar_emul_usage (s);
}
else
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
+ fprintf (s, _("\
+ -t Update the archive's symbol map timestamp\n\
-h --help Print this help message\n\
- -V --version Print version information\n"));
+ -v --version Print version information\n"));
}
- list_supported_targets (program_name, stderr);
+ list_supported_targets (program_name, s);
- if (help)
+ if (REPORT_BUGS_TO[0] && help)
fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
xexit (help ? 0 : 1);
{
/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
char *bslash = strrchr (file, '\\');
+
if (filename == NULL || (bslash != NULL && bslash > filename))
filename = bslash;
if (filename == NULL && file[0] != '\0' && file[1] == ':')
char *s;
/* Space leak. */
- s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1);
+ s = xmalloc (abfd->xvec->ar_max_namelen + 1);
memcpy (s, filename, abfd->xvec->ar_max_namelen);
s[abfd->xvec->ar_max_namelen] = '\0';
filename = s;
bfd_cache_close (output_bfd);
if (output_file != NULL)
fclose (output_file);
- unlink (output_filename);
+ unlink_if_ordinary (output_filename);
}
}
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)
{
{
/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
char *bslash = strrchr (program_name, '\\');
+
if (temp == NULL || (bslash != NULL && bslash > temp))
temp = bslash;
if (temp == NULL && program_name[0] != '\0' && program_name[1] == ':')
if (is_ranlib)
{
+ int status = 0;
bfd_boolean touch = FALSE;
if (argc < 2
usage (0);
if (strcmp (argv[1], "-V") == 0
|| strcmp (argv[1], "-v") == 0
- || strncmp (argv[1], "--v", 3) == 0)
+ || CONST_STRNEQ (argv[1], "--v"))
print_version ("ranlib");
arg_index = 1;
if (strcmp (argv[1], "-t") == 0)
while (arg_index < argc)
{
if (! touch)
- ranlib_only (argv[arg_index]);
+ status |= ranlib_only (argv[arg_index]);
else
- ranlib_touch (argv[arg_index]);
+ status |= ranlib_touch (argv[arg_index]);
++arg_index;
}
- xexit (0);
+ xexit (status);
}
if (argc == 2 && strcmp (argv[1], "-M") == 0)
arg_index = 1;
arg_ptr = argv[arg_index];
+ if (strcmp (arg_ptr, "--plugin") == 0)
+ {
+#if BFD_SUPPORTS_PLUGINS
+ if (argc < 4)
+ usage (1);
+
+ bfd_plugin_set_plugin (argv[2]);
+
+ arg_index += 2;
+ arg_ptr = argv[arg_index];
+#else
+ fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
+ xexit (1);
+#endif
+ }
+
if (*arg_ptr == '-')
{
/* When the first option starts with '-' we support POSIX-compatible
case 'P':
full_pathname = TRUE;
break;
+ case 'T':
+ make_thin_archive = TRUE;
+ break;
+ case 'D':
+ deterministic = TRUE;
+ break;
default:
/* xgettext:c-format */
non_fatal (_("illegal option -- %c"), c);
{
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)
if ((operation == none || operation == print_table)
&& write_armap == 1)
- {
- ranlib_only (argv[arg_index]);
- xexit (0);
- }
+ 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)
+ fatal (_("`u' is not meaningful with the `D' option."));
+
if (postype != pos_default)
posname = argv[arg_index++];
files = arg_index < argc ? argv + arg_index : NULL;
file_count = argc - arg_index;
-#if 0
- /* 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 do a quick append if we need to construct an
- extended name table, because do_quick_append won't be able to
- rebuild the name table. Unfortunately, at this point we
- don't actually know the maximum name length permitted by this
- object file format. So, we guess. FIXME. */
- if (operation == quick_append && ! ar_truncate)
- {
- char **chk;
-
- for (chk = files; chk != NULL && *chk != '\0'; chk++)
- {
- if (strlen (normalize (*chk, (bfd *) NULL)) > 14)
- {
- operation = replace;
- break;
- }
- }
- }
-
- if (operation == quick_append)
- {
- /* Note that quick appending to a non-existent archive creates it,
- even if there are no files to append. */
- do_quick_append (inarch_filename, files);
- xexit (0);
- }
-#endif
-
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:
xexit (1);
}
- last_one = &(arch->next);
+ last_one = &(arch->archive_next);
/* Read all the contents right away, regardless. */
for (next_one = bfd_openr_next_archived_file (arch, NULL);
next_one;
{
PROGRESS (1);
*last_one = next_one;
- last_one = &next_one->next;
+ last_one = &next_one->archive_next;
}
*last_one = (bfd *) NULL;
if (bfd_get_error () != bfd_error_no_more_archived_files)
static void
print_contents (bfd *abfd)
{
- int ncopied = 0;
+ size_t ncopied = 0;
char *cbuf = xmalloc (BUFSIZE);
struct stat buf;
- long size;
+ size_t size;
if (bfd_stat_arch_elt (abfd, &buf) != 0)
/* xgettext:c-format */
fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
while (ncopied < size)
{
- int nread;
- int tocopy = size - ncopied;
+ size_t nread;
+ size_t tocopy = size - ncopied;
if (tocopy > BUFSIZE)
tocopy = BUFSIZE;
/* xgettext:c-format */
fatal (_("%s is not a valid archive"),
bfd_get_filename (bfd_my_archive (abfd)));
- fwrite (cbuf, 1, nread, stdout);
+
+ /* fwrite in mingw32 may return int instead of size_t. Cast the
+ return value to size_t to avoid comparison between signed and
+ unsigned values. */
+ if ((size_t) fwrite (cbuf, 1, nread, stdout) != nread)
+ fatal ("stdout: %s", strerror (errno));
ncopied += tocopy;
}
free (cbuf);
{
FILE *ostream;
char *cbuf = xmalloc (BUFSIZE);
- int nread, tocopy;
- long ncopied = 0;
- long size;
+ size_t nread, tocopy;
+ size_t ncopied = 0;
+ size_t size;
struct stat buf;
if (bfd_stat_arch_elt (abfd, &buf) != 0)
fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
size = buf.st_size;
- if (size < 0)
- /* xgettext:c-format */
- fatal (_("stat returns negative size for %s"), bfd_get_filename (abfd));
-
if (verbose)
printf ("x - %s\n", bfd_get_filename (abfd));
output_file = ostream;
}
- fwrite (cbuf, 1, nread, ostream);
+
+ /* fwrite in mingw32 may return int instead of size_t. Cast
+ the return value to size_t to avoid comparison between
+ signed and unsigned values. */
+ if ((size_t) fwrite (cbuf, 1, nread, ostream) != nread)
+ fatal ("%s: %s", output_filename, strerror (errno));
ncopied += tocopy;
}
free (cbuf);
}
-#if 0
-
-/* We don't use this anymore. Too many systems expect ar to rebuild
- the symbol table even when q is used. */
-
-/* Just do it quickly; don't worry about dups, armap, or anything like that */
-
-static void
-do_quick_append (const char *archive_filename, char **files_to_append)
-{
- FILE *ofile, *ifile;
- char *buf = xmalloc (BUFSIZE);
- long tocopy, thistime;
- bfd *temp;
- struct stat sbuf;
- bfd_boolean newfile = FALSE;
- bfd_set_error (bfd_error_no_error);
-
- 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.
-
- (And yes, I know this is all unused, but somebody, someday,
- might wish to resurrect this again... -- 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
-
- newfile = TRUE;
- }
-
- ofile = fopen (archive_filename, FOPEN_AUB);
- if (ofile == NULL)
- {
- perror (program_name);
- xexit (1);
- }
-
- temp = bfd_openr (archive_filename, NULL);
- if (temp == NULL)
- {
- bfd_fatal (archive_filename);
- }
- if (!newfile)
- {
- if (!bfd_check_format (temp, bfd_archive))
- /* xgettext:c-format */
- fatal (_("%s is not an archive"), archive_filename);
- }
- else
- {
- fwrite (ARMAG, 1, SARMAG, ofile);
- if (!silent_create)
- /* xgettext:c-format */
- non_fatal (_("creating %s"), archive_filename);
- }
-
- if (ar_truncate)
- temp->flags |= BFD_TRADITIONAL_FORMAT;
-
- /* assume it's an archive, go straight to the end, sans $200 */
- fseek (ofile, 0, 2);
-
- for (; files_to_append && *files_to_append; ++files_to_append)
- {
- struct ar_hdr *hdr = bfd_special_undocumented_glue (temp, *files_to_append);
- if (hdr == NULL)
- {
- bfd_fatal (*files_to_append);
- }
-
- BFD_SEND (temp, _bfd_truncate_arname, (temp, *files_to_append, (char *) hdr));
-
- ifile = fopen (*files_to_append, FOPEN_RB);
- if (ifile == NULL)
- {
- bfd_nonfatal (*files_to_append);
- }
-
- if (stat (*files_to_append, &sbuf) != 0)
- {
- bfd_nonfatal (*files_to_append);
- }
-
- tocopy = sbuf.st_size;
-
- /* XXX should do error-checking! */
- fwrite (hdr, 1, sizeof (struct ar_hdr), ofile);
-
- while (tocopy > 0)
- {
- thistime = tocopy;
- if (thistime > BUFSIZE)
- thistime = BUFSIZE;
- fread (buf, 1, thistime, ifile);
- fwrite (buf, 1, thistime, ofile);
- tocopy -= thistime;
- }
- fclose (ifile);
- if ((sbuf.st_size % 2) == 1)
- putc ('\012', ofile);
- }
- fclose (ofile);
- bfd_close (temp);
- free (buf);
-}
-
-#endif /* 0 */
-
static void
write_archive (bfd *iarch)
{
bfd *obfd;
char *old_name, *new_name;
- bfd *contents_head = iarch->next;
+ bfd *contents_head = iarch->archive_next;
old_name = 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));
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 (realpos == pos_end)
{
while (*after_bfd)
- after_bfd = &((*after_bfd)->next);
+ after_bfd = &((*after_bfd)->archive_next);
}
else
{
- for (; *after_bfd; after_bfd = &(*after_bfd)->next)
+ 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)->next;
+ after_bfd = &(*after_bfd)->archive_next;
break;
}
}
found = FALSE;
match_count = 0;
- current_ptr_ptr = &(arch->next);
+ current_ptr_ptr = &(arch->archive_next);
while (*current_ptr_ptr)
{
if (FILENAME_CMP (normalize (*files_to_delete, arch),
if (verbose)
printf ("d - %s\n",
*files_to_delete);
- *current_ptr_ptr = ((*current_ptr_ptr)->next);
+ *current_ptr_ptr = ((*current_ptr_ptr)->archive_next);
goto next_file;
}
}
- current_ptr_ptr = &((*current_ptr_ptr)->next);
+ current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
}
if (verbose && !found)
for (; *files_to_move; ++files_to_move)
{
- current_ptr_ptr = &(arch->next);
+ current_ptr_ptr = &(arch->archive_next);
while (*current_ptr_ptr)
{
bfd *current_ptr = *current_ptr_ptr;
/* Move this file to the end of the list - first cut from
where it is. */
bfd *link;
- *current_ptr_ptr = current_ptr->next;
+ *current_ptr_ptr = current_ptr->archive_next;
/* Now glue to end */
- after_bfd = get_pos_bfd (&arch->next, pos_end, NULL);
+ after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
link = *after_bfd;
*after_bfd = current_ptr;
- current_ptr->next = link;
+ current_ptr->archive_next = link;
if (verbose)
printf ("m - %s\n", *files_to_move);
goto next_file;
}
- current_ptr_ptr = &((*current_ptr_ptr)->next);
+ current_ptr_ptr = &((*current_ptr_ptr)->archive_next);
}
/* xgettext:c-format */
fatal (_("no entry %s in archive %s!"), *files_to_move, arch->filename);
{
if (! quick)
{
- current_ptr = &arch->next;
+ current_ptr = &arch->archive_next;
while (*current_ptr)
{
current = *current_ptr;
goto next_file;
}
- after_bfd = get_pos_bfd (&arch->next, pos_after,
+ after_bfd = get_pos_bfd (&arch->archive_next, pos_after,
current->filename);
if (ar_emul_replace (after_bfd, *files_to_move,
verbose))
{
/* Snip out this entry from the chain. */
- *current_ptr = (*current_ptr)->next;
+ *current_ptr = (*current_ptr)->archive_next;
changed = TRUE;
}
goto next_file;
}
- current_ptr = &(current->next);
+ current_ptr = &(current->archive_next);
}
}
/* Add to the end of the archive. */
- after_bfd = get_pos_bfd (&arch->next, pos_end, NULL);
+ after_bfd = get_pos_bfd (&arch->archive_next, pos_end, NULL);
- if (ar_emul_append (after_bfd, *files_to_move, verbose))
+ if (ar_emul_append (after_bfd, *files_to_move, verbose,
+ make_thin_archive))
changed = TRUE;
next_file:;
output_filename = NULL;
}
-static void
+static int
ranlib_only (const char *archname)
{
bfd *arch;
if (get_file_size (archname) < 1)
- return;
+ 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 void
+static int
ranlib_touch (const char *archname)
{
#ifdef __GO32__
char **matching;
if (get_file_size (archname) < 1)
- return;
+ return 1;
f = open (archname, O_RDWR | O_BINARY, 0);
if (f < 0)
{
if (! bfd_close (arch))
bfd_fatal (archname);
#endif
+ return 0;
}
/* Things which are interesting to map over all or some of the files: */
projects / deliverable / binutils-gdb.git / blobdiff