1393 lines
34 KiB
C
1393 lines
34 KiB
C
/* ar.c - Archive modify and extract.
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2001, 2002, 2003
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Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*
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Bugs: should use getopt the way tar does (complete w/optional -) and
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should have long options too. GNU ar used to check file against filesystem
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in quick_update and replace operations (would check mtime). Doesn't warn
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when name truncated. No way to specify pos_end. Error messages should be
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more consistent. */
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#include "bfd.h"
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#include "libiberty.h"
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#include "progress.h"
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#include "bucomm.h"
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#include "aout/ar.h"
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#include "libbfd.h"
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#include "arsup.h"
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#include "filenames.h"
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#include "binemul.h"
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#include <sys/stat.h>
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#ifdef __GO32___
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#define EXT_NAME_LEN 3 /* bufflen of addition to name if it's MS-DOS */
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#else
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#define EXT_NAME_LEN 6 /* ditto for *NIX */
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#endif
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/* We need to open files in binary modes on system where that makes a
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difference. */
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#define BUFSIZE 8192
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/* Kludge declaration from BFD! This is ugly! FIXME! XXX */
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struct ar_hdr *
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bfd_special_undocumented_glue (bfd * abfd, const char *filename);
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/* Static declarations */
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static void mri_emul (void);
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static const char *normalize (const char *, bfd *);
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static void remove_output (void);
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static void map_over_members (bfd *, void (*)(bfd *), char **, int);
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static void print_contents (bfd * member);
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static void delete_members (bfd *, char **files_to_delete);
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#if 0
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static void do_quick_append
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(const char *archive_filename, char **files_to_append);
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#endif
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static void move_members (bfd *, char **files_to_move);
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static void replace_members
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(bfd *, char **files_to_replace, bfd_boolean quick);
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static void print_descr (bfd * abfd);
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static void write_archive (bfd *);
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static void ranlib_only (const char *archname);
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static void ranlib_touch (const char *archname);
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static void usage (int);
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/** Globals and flags */
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int mri_mode;
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/* This flag distinguishes between ar and ranlib:
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1 means this is 'ranlib'; 0 means this is 'ar'.
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-1 means if we should use argv[0] to decide. */
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extern int is_ranlib;
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/* Nonzero means don't warn about creating the archive file if necessary. */
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int silent_create = 0;
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/* Nonzero means describe each action performed. */
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int verbose = 0;
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/* Nonzero means preserve dates of members when extracting them. */
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int preserve_dates = 0;
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/* Nonzero means don't replace existing members whose dates are more recent
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than the corresponding files. */
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int newer_only = 0;
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/* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF
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member). -1 means we've been explicitly asked to not write a symbol table;
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+1 means we've been explicitly asked to write it;
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0 is the default.
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Traditionally, the default in BSD has been to not write the table.
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However, for POSIX.2 compliance the default is now to write a symbol table
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if any of the members are object files. */
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int write_armap = 0;
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/* Nonzero means it's the name of an existing member; position new or moved
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files with respect to this one. */
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char *posname = NULL;
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/* Sez how to use `posname': pos_before means position before that member.
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pos_after means position after that member. pos_end means always at end.
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pos_default means default appropriately. For the latter two, `posname'
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should also be zero. */
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enum pos
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{
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pos_default, pos_before, pos_after, pos_end
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} postype = pos_default;
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static bfd **
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get_pos_bfd (bfd **, enum pos, const char *);
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/* For extract/delete only. If COUNTED_NAME_MODE is TRUE, we only
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extract the COUNTED_NAME_COUNTER instance of that name. */
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static bfd_boolean counted_name_mode = 0;
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static int counted_name_counter = 0;
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/* Whether to truncate names of files stored in the archive. */
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static bfd_boolean ar_truncate = FALSE;
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/* Whether to use a full file name match when searching an archive.
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This is convenient for archives created by the Microsoft lib
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program. */
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static bfd_boolean full_pathname = FALSE;
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int interactive = 0;
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static void
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mri_emul (void)
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{
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interactive = isatty (fileno (stdin));
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yyparse ();
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}
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/* If COUNT is 0, then FUNCTION is called once on each entry. If nonzero,
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COUNT is the length of the FILES chain; FUNCTION is called on each entry
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whose name matches one in FILES. */
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static void
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map_over_members (bfd *arch, void (*function)(bfd *), char **files, int count)
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{
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bfd *head;
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int match_count;
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if (count == 0)
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{
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for (head = arch->next; head; head = head->next)
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{
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PROGRESS (1);
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function (head);
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}
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return;
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}
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/* This may appear to be a baroque way of accomplishing what we want.
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However we have to iterate over the filenames in order to notice where
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a filename is requested but does not exist in the archive. Ditto
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mapping over each file each time -- we want to hack multiple
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references. */
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for (; count > 0; files++, count--)
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{
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bfd_boolean found = FALSE;
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match_count = 0;
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for (head = arch->next; head; head = head->next)
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{
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PROGRESS (1);
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if (head->filename == NULL)
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{
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/* Some archive formats don't get the filenames filled in
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until the elements are opened. */
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struct stat buf;
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bfd_stat_arch_elt (head, &buf);
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}
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if ((head->filename != NULL) &&
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(!FILENAME_CMP (normalize (*files, arch), head->filename)))
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{
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++match_count;
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if (counted_name_mode
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&& match_count != counted_name_counter)
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{
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/* Counting, and didn't match on count; go on to the
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next one. */
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continue;
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}
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found = TRUE;
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function (head);
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}
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}
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if (!found)
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/* xgettext:c-format */
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fprintf (stderr, _("no entry %s in archive\n"), *files);
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}
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}
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bfd_boolean operation_alters_arch = FALSE;
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static void
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usage (int help)
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{
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FILE *s;
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s = help ? stdout : stderr;
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if (! is_ranlib)
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{
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/* xgettext:c-format */
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fprintf (s, _("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n"),
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program_name);
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/* xgettext:c-format */
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fprintf (s, _(" %s -M [<mri-script]\n"), program_name);
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fprintf (s, _(" commands:\n"));
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fprintf (s, _(" d - delete file(s) from the archive\n"));
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fprintf (s, _(" m[ab] - move file(s) in the archive\n"));
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fprintf (s, _(" p - print file(s) found in the archive\n"));
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fprintf (s, _(" q[f] - quick append file(s) to the archive\n"));
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fprintf (s, _(" r[ab][f][u] - replace existing or insert new file(s) into the archive\n"));
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fprintf (s, _(" t - display contents of archive\n"));
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fprintf (s, _(" x[o] - extract file(s) from the archive\n"));
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fprintf (s, _(" command specific modifiers:\n"));
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fprintf (s, _(" [a] - put file(s) after [member-name]\n"));
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fprintf (s, _(" [b] - put file(s) before [member-name] (same as [i])\n"));
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fprintf (s, _(" [N] - use instance [count] of name\n"));
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fprintf (s, _(" [f] - truncate inserted file names\n"));
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fprintf (s, _(" [P] - use full path names when matching\n"));
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fprintf (s, _(" [o] - preserve original dates\n"));
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fprintf (s, _(" [u] - only replace files that are newer than current archive contents\n"));
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fprintf (s, _(" generic modifiers:\n"));
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fprintf (s, _(" [c] - do not warn if the library had to be created\n"));
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fprintf (s, _(" [s] - create an archive index (cf. ranlib)\n"));
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fprintf (s, _(" [S] - do not build a symbol table\n"));
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fprintf (s, _(" [v] - be verbose\n"));
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fprintf (s, _(" [V] - display the version number\n"));
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ar_emul_usage (s);
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}
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else
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{
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/* xgettext:c-format */
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fprintf (s, _("Usage: %s [options] archive\n"), program_name);
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fprintf (s, _(" Generate an index to speed access to archives\n"));
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fprintf (s, _(" The options are:\n\
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-h --help Print this help message\n\
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-V --version Print version information\n"));
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}
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list_supported_targets (program_name, stderr);
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if (help)
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fprintf (s, _("Report bugs to %s\n"), REPORT_BUGS_TO);
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xexit (help ? 0 : 1);
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}
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/* Normalize a file name specified on the command line into a file
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name which we will use in an archive. */
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static const char *
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normalize (const char *file, bfd *abfd)
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{
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const char *filename;
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if (full_pathname)
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return file;
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filename = strrchr (file, '/');
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#ifdef HAVE_DOS_BASED_FILE_SYSTEM
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{
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/* We could have foo/bar\\baz, or foo\\bar, or d:bar. */
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char *bslash = strrchr (file, '\\');
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if (filename == NULL || (bslash != NULL && bslash > filename))
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filename = bslash;
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if (filename == NULL && file[0] != '\0' && file[1] == ':')
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filename = file + 1;
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}
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#endif
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if (filename != (char *) NULL)
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filename++;
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else
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filename = file;
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if (ar_truncate
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&& abfd != NULL
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&& strlen (filename) > abfd->xvec->ar_max_namelen)
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{
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char *s;
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/* Space leak. */
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s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1);
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memcpy (s, filename, abfd->xvec->ar_max_namelen);
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s[abfd->xvec->ar_max_namelen] = '\0';
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filename = s;
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}
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return filename;
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}
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/* Remove any output file. This is only called via xatexit. */
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static const char *output_filename = NULL;
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static FILE *output_file = NULL;
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static bfd *output_bfd = NULL;
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static void
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remove_output (void)
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{
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if (output_filename != NULL)
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{
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if (output_bfd != NULL)
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bfd_cache_close (output_bfd);
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if (output_file != NULL)
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fclose (output_file);
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unlink (output_filename);
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}
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}
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/* The option parsing should be in its own function.
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It will be when I have getopt working. */
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||
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int main (int, char **);
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||
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||
int
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||
main (int argc, char **argv)
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||
{
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||
char *arg_ptr;
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||
char c;
|
||
enum
|
||
{
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||
none = 0, delete, replace, print_table,
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print_files, extract, move, quick_append
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} operation = none;
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||
int arg_index;
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||
char **files;
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||
int file_count;
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||
char *inarch_filename;
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||
int show_version;
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||
int i;
|
||
|
||
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
|
||
setlocale (LC_MESSAGES, "");
|
||
#endif
|
||
#if defined (HAVE_SETLOCALE)
|
||
setlocale (LC_CTYPE, "");
|
||
#endif
|
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bindtextdomain (PACKAGE, LOCALEDIR);
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||
textdomain (PACKAGE);
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||
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program_name = argv[0];
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||
xmalloc_set_program_name (program_name);
|
||
|
||
if (is_ranlib < 0)
|
||
{
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||
char *temp;
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||
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temp = strrchr (program_name, '/');
|
||
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
||
{
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||
/* 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] == ':')
|
||
temp = program_name + 1;
|
||
}
|
||
#endif
|
||
if (temp == NULL)
|
||
temp = program_name;
|
||
else
|
||
++temp;
|
||
if (strlen (temp) >= 6
|
||
&& FILENAME_CMP (temp + strlen (temp) - 6, "ranlib") == 0)
|
||
is_ranlib = 1;
|
||
else
|
||
is_ranlib = 0;
|
||
}
|
||
|
||
if (argc > 1 && argv[1][0] == '-')
|
||
{
|
||
if (strcmp (argv[1], "--help") == 0)
|
||
usage (1);
|
||
else if (strcmp (argv[1], "--version") == 0)
|
||
{
|
||
if (is_ranlib)
|
||
print_version ("ranlib");
|
||
else
|
||
print_version ("ar");
|
||
}
|
||
}
|
||
|
||
START_PROGRESS (program_name, 0);
|
||
|
||
bfd_init ();
|
||
set_default_bfd_target ();
|
||
|
||
show_version = 0;
|
||
|
||
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)
|
||
{
|
||
bfd_boolean touch = FALSE;
|
||
|
||
if (argc < 2
|
||
|| strcmp (argv[1], "--help") == 0
|
||
|| strcmp (argv[1], "-h") == 0
|
||
|| strcmp (argv[1], "-H") == 0)
|
||
usage (0);
|
||
if (strcmp (argv[1], "-V") == 0
|
||
|| strcmp (argv[1], "-v") == 0
|
||
|| strncmp (argv[1], "--v", 3) == 0)
|
||
print_version ("ranlib");
|
||
arg_index = 1;
|
||
if (strcmp (argv[1], "-t") == 0)
|
||
{
|
||
++arg_index;
|
||
touch = TRUE;
|
||
}
|
||
while (arg_index < argc)
|
||
{
|
||
if (! touch)
|
||
ranlib_only (argv[arg_index]);
|
||
else
|
||
ranlib_touch (argv[arg_index]);
|
||
++arg_index;
|
||
}
|
||
xexit (0);
|
||
}
|
||
|
||
if (argc == 2 && strcmp (argv[1], "-M") == 0)
|
||
{
|
||
mri_emul ();
|
||
xexit (0);
|
||
}
|
||
|
||
if (argc < 2)
|
||
usage (0);
|
||
|
||
arg_ptr = argv[1];
|
||
|
||
if (*arg_ptr == '-')
|
||
++arg_ptr; /* compatibility */
|
||
|
||
while ((c = *arg_ptr++) != '\0')
|
||
{
|
||
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"));
|
||
switch (c)
|
||
{
|
||
case 'd':
|
||
operation = delete;
|
||
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;
|
||
default:
|
||
/* xgettext:c-format */
|
||
non_fatal (_("illegal option -- %c"), c);
|
||
usage (0);
|
||
}
|
||
}
|
||
|
||
if (show_version)
|
||
print_version ("ar");
|
||
|
||
if (argc < 3)
|
||
usage (0);
|
||
|
||
if (mri_mode)
|
||
{
|
||
mri_emul ();
|
||
}
|
||
else
|
||
{
|
||
bfd *arch;
|
||
|
||
/* 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)
|
||
{
|
||
ranlib_only (argv[2]);
|
||
xexit (0);
|
||
}
|
||
|
||
if (operation == none)
|
||
fatal (_("no operation specified"));
|
||
|
||
if (newer_only && operation != replace)
|
||
fatal (_("`u' is only meaningful with the `r' option."));
|
||
|
||
arg_index = 2;
|
||
|
||
if (postype != pos_default)
|
||
posname = argv[arg_index++];
|
||
|
||
if (counted_name_mode)
|
||
{
|
||
if (operation != extract && operation != delete)
|
||
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++];
|
||
|
||
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]);
|
||
|
||
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 delete:
|
||
if (files != NULL)
|
||
delete_members (arch, files);
|
||
else
|
||
output_filename = NULL;
|
||
break;
|
||
|
||
case move:
|
||
if (files != NULL)
|
||
move_members (arch, files);
|
||
else
|
||
output_filename = NULL;
|
||
break;
|
||
|
||
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)
|
||
{
|
||
const char *target;
|
||
bfd **last_one;
|
||
bfd *next_one;
|
||
struct stat sbuf;
|
||
bfd *arch;
|
||
char **matching;
|
||
|
||
bfd_set_error (bfd_error_no_error);
|
||
|
||
target = NULL;
|
||
|
||
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;
|
||
}
|
||
|
||
/* Try to figure out the target to use for the archive from the
|
||
first object on the list. */
|
||
if (file != NULL)
|
||
{
|
||
bfd *obj;
|
||
|
||
obj = bfd_openr (file, NULL);
|
||
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);
|
||
}
|
||
|
||
last_one = &(arch->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->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)
|
||
{
|
||
int ncopied = 0;
|
||
char *cbuf = xmalloc (BUFSIZE);
|
||
struct stat buf;
|
||
long size;
|
||
if (bfd_stat_arch_elt (abfd, &buf) != 0)
|
||
/* xgettext:c-format */
|
||
fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
|
||
|
||
if (verbose)
|
||
/* xgettext:c-format */
|
||
printf (_("\n<%s>\n\n"), bfd_get_filename (abfd));
|
||
|
||
bfd_seek (abfd, (file_ptr) 0, SEEK_SET);
|
||
|
||
size = buf.st_size;
|
||
while (ncopied < size)
|
||
{
|
||
|
||
int nread;
|
||
int tocopy = size - ncopied;
|
||
if (tocopy > BUFSIZE)
|
||
tocopy = BUFSIZE;
|
||
|
||
nread = bfd_bread (cbuf, (bfd_size_type) tocopy, abfd);
|
||
if (nread != tocopy)
|
||
/* xgettext:c-format */
|
||
fatal (_("%s is not a valid archive"),
|
||
bfd_get_filename (bfd_my_archive (abfd)));
|
||
fwrite (cbuf, 1, nread, stdout);
|
||
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 = xmalloc (BUFSIZE);
|
||
int nread, tocopy;
|
||
long ncopied = 0;
|
||
long 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 (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));
|
||
|
||
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, (bfd_size_type) 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 (cbuf, 1, nread, ostream);
|
||
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_times (bfd_get_filename (abfd), &buf);
|
||
|
||
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;
|
||
|
||
old_name = xmalloc (strlen (bfd_get_filename (iarch)) + 1);
|
||
strcpy (old_name, bfd_get_filename (iarch));
|
||
new_name = make_tempname (old_name);
|
||
|
||
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 (!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);
|
||
}
|
||
|
||
/* 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)->next);
|
||
}
|
||
else
|
||
{
|
||
for (; *after_bfd; after_bfd = &(*after_bfd)->next)
|
||
if (FILENAME_CMP ((*after_bfd)->filename, realposname) == 0)
|
||
{
|
||
if (realpos == pos_after)
|
||
after_bfd = &(*after_bfd)->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->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)->next);
|
||
goto next_file;
|
||
}
|
||
}
|
||
|
||
current_ptr_ptr = &((*current_ptr_ptr)->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->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;
|
||
*current_ptr_ptr = current_ptr->next;
|
||
|
||
/* Now glue to end */
|
||
after_bfd = get_pos_bfd (&arch->next, pos_end, NULL);
|
||
link = *after_bfd;
|
||
*after_bfd = current_ptr;
|
||
current_ptr->next = link;
|
||
|
||
if (verbose)
|
||
printf ("m - %s\n", *files_to_move);
|
||
|
||
goto next_file;
|
||
}
|
||
|
||
current_ptr_ptr = &((*current_ptr_ptr)->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->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->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;
|
||
changed = TRUE;
|
||
}
|
||
|
||
goto next_file;
|
||
}
|
||
current_ptr = &(current->next);
|
||
}
|
||
}
|
||
|
||
/* Add to the end of the archive. */
|
||
after_bfd = get_pos_bfd (&arch->next, pos_end, NULL);
|
||
|
||
if (get_file_size (* files_to_move) > 0
|
||
&& ar_emul_append (after_bfd, *files_to_move, verbose))
|
||
changed = TRUE;
|
||
|
||
next_file:;
|
||
|
||
files_to_move++;
|
||
}
|
||
|
||
if (changed)
|
||
write_archive (arch);
|
||
else
|
||
output_filename = NULL;
|
||
}
|
||
|
||
static void
|
||
ranlib_only (const char *archname)
|
||
{
|
||
bfd *arch;
|
||
|
||
if (get_file_size (archname) < 1)
|
||
return;
|
||
write_armap = 1;
|
||
arch = open_inarch (archname, (char *) NULL);
|
||
if (arch == NULL)
|
||
xexit (1);
|
||
write_archive (arch);
|
||
}
|
||
|
||
/* Update the timestamp of the symbol map of an archive. */
|
||
|
||
static void
|
||
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;
|
||
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);
|
||
|
||
bfd_update_armap_timestamp (arch);
|
||
|
||
if (! bfd_close (arch))
|
||
bfd_fatal (archname);
|
||
#endif
|
||
}
|
||
|
||
/* 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);
|
||
}
|