1300 lines
29 KiB
C
1300 lines
29 KiB
C
/* ar.c - Archive modify and extract.
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Copyright 1991, 92, 93, 94, 95, 96, 1997 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 consistant.
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*/
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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 <sys/stat.h>
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#ifdef HAVE_GOOD_UTIME_H
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#include <utime.h>
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#else /* ! HAVE_GOOD_UTIME_H */
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#ifdef HAVE_UTIMES
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#include <sys/time.h>
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#endif /* HAVE_UTIMES */
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#endif /* ! HAVE_GOOD_UTIME_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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#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 PARAMS ((bfd * abfd, char *filename));
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/* Static declarations */
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static void
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mri_emul PARAMS ((void));
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static const char *
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normalize PARAMS ((const char *, bfd *));
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static void
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remove_output PARAMS ((void));
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static void
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map_over_members PARAMS ((bfd *, void (*)(bfd *), char **, int));
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static void
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print_contents PARAMS ((bfd * member));
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static void
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delete_members PARAMS ((bfd *, char **files_to_delete));
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#if 0
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static void
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do_quick_append PARAMS ((const char *archive_filename,
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char **files_to_append));
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#endif
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static void
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move_members PARAMS ((bfd *, char **files_to_move));
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static void
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replace_members PARAMS ((bfd *, char **files_to_replace, boolean quick));
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static void
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print_descr PARAMS ((bfd * abfd));
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static void
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write_archive PARAMS ((bfd *));
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static void
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ranlib_only PARAMS ((const char *archname));
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static void
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ranlib_touch PARAMS ((const char *archname));
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static void
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usage PARAMS ((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 explictly 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 PARAMS ((bfd **, enum pos));
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/* Whether to truncate names of files stored in the archive. */
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static boolean ar_truncate = false;
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int interactive = 0;
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static void
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mri_emul ()
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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 (arch, function, files, count)
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bfd *arch;
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void (*function) PARAMS ((bfd *));
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char **files;
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int count;
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{
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bfd *head;
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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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boolean found = false;
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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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(!strcmp (*files, head->filename)))
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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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fprintf (stderr, "no entry %s in archive\n", *files);
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}
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}
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boolean operation_alters_arch = false;
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static void
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usage (help)
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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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fprintf (s, "\
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Usage: %s [-]{dmpqrtx}[abcilosuvV] [member-name] archive-file file...\n\
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%s -M [<mri-script]\n",
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program_name, program_name);
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else
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fprintf (s, "\
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Usage: %s [-vV] archive\n", program_name);
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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 bug-gnu-utils@prep.ai.mit.edu\n");
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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 (file, abfd)
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const char *file;
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bfd *abfd;
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{
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const char *filename;
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filename = strrchr (file, '/');
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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 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 ()
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{
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if (output_filename != NULL)
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{
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if (output_bfd != NULL && output_bfd->iostream != NULL)
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fclose ((FILE *) (output_bfd->iostream));
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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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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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char *arg_ptr;
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char c;
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enum
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{
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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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char *inarch_filename;
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int show_version;
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program_name = argv[0];
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xmalloc_set_program_name (program_name);
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if (is_ranlib < 0)
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{
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char *temp;
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temp = strrchr (program_name, '/');
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if (temp == NULL)
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temp = program_name;
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else
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++temp;
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if (strlen (temp) >= 6
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&& strcmp (temp + strlen (temp) - 6, "ranlib") == 0)
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is_ranlib = 1;
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else
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is_ranlib = 0;
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}
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if (argc > 1 && argv[1][0] == '-')
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{
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if (strcmp (argv[1], "--help") == 0)
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usage (1);
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else if (strcmp (argv[1], "--version") == 0)
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{
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if (is_ranlib)
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print_version ("ranlib");
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else
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print_version ("ar");
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}
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}
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START_PROGRESS (program_name, 0);
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bfd_init ();
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set_default_bfd_target ();
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show_version = 0;
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xatexit (remove_output);
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if (is_ranlib)
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{
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boolean touch = false;
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if (argc < 2 || strcmp (argv[1], "--help") == 0)
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usage (0);
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if (strcmp (argv[1], "-V") == 0
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|| strcmp (argv[1], "-v") == 0
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|| strncmp (argv[1], "--v", 3) == 0)
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print_version ("ranlib");
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arg_index = 1;
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if (strcmp (argv[1], "-t") == 0)
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{
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||
++arg_index;
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touch = true;
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}
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while (arg_index < argc)
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{
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if (! touch)
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ranlib_only (argv[arg_index]);
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else
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ranlib_touch (argv[arg_index]);
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++arg_index;
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}
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xexit (0);
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||
}
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||
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||
if (argc == 2 && strcmp (argv[1], "-M") == 0)
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{
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||
mri_emul ();
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xexit (0);
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||
}
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||
|
||
if (argc < 2)
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usage (0);
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||
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||
arg_ptr = argv[1];
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||
|
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if (*arg_ptr == '-')
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++arg_ptr; /* compatibility */
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||
|
||
while ((c = *arg_ptr++) != '\0')
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{
|
||
switch (c)
|
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{
|
||
case 'd':
|
||
case 'm':
|
||
case 'p':
|
||
case 'q':
|
||
case 'r':
|
||
case 't':
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||
case 'x':
|
||
if (operation != none)
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fatal ("two different operation options specified");
|
||
switch (c)
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{
|
||
case 'd':
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||
operation = delete;
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operation_alters_arch = true;
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||
break;
|
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case 'm':
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operation = move;
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operation_alters_arch = true;
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||
break;
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case 'p':
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operation = print_files;
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||
break;
|
||
case 'q':
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||
operation = quick_append;
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operation_alters_arch = true;
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||
break;
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||
case 'r':
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||
operation = replace;
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||
operation_alters_arch = true;
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||
break;
|
||
case 't':
|
||
operation = print_table;
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break;
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||
case 'x':
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||
operation = extract;
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||
break;
|
||
}
|
||
case 'l':
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||
break;
|
||
case 'c':
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||
silent_create = 1;
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||
break;
|
||
case 'o':
|
||
preserve_dates = 1;
|
||
break;
|
||
case 'V':
|
||
show_version = true;
|
||
break;
|
||
case 's':
|
||
write_armap = 1;
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||
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 'f':
|
||
ar_truncate = true;
|
||
break;
|
||
default:
|
||
fprintf (stderr, "%s: illegal option -- %c\n", program_name, 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++];
|
||
|
||
inarch_filename = argv[arg_index++];
|
||
|
||
files = arg_index < argc ? argv + arg_index : NULL;
|
||
|
||
#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, argc - 3);
|
||
break;
|
||
|
||
case print_files:
|
||
map_over_members (arch, print_contents, files, argc - 3);
|
||
break;
|
||
|
||
case extract:
|
||
map_over_members (arch, extract_file, files, argc - 3);
|
||
break;
|
||
|
||
case delete:
|
||
if (files != NULL)
|
||
delete_members (arch, files);
|
||
break;
|
||
|
||
case move:
|
||
if (files != NULL)
|
||
move_members (arch, files);
|
||
break;
|
||
|
||
case replace:
|
||
case quick_append:
|
||
if (files != NULL || write_armap > 0)
|
||
replace_members (arch, files, operation == quick_append);
|
||
break;
|
||
|
||
/* Shouldn't happen! */
|
||
default:
|
||
fprintf (stderr, "%s: internal error -- this option not implemented\n",
|
||
program_name);
|
||
xexit (1);
|
||
}
|
||
}
|
||
|
||
END_PROGRESS (program_name);
|
||
|
||
xexit (0);
|
||
return 0;
|
||
}
|
||
|
||
bfd *
|
||
open_inarch (archive_filename, file)
|
||
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)
|
||
{
|
||
#ifndef __GO32__
|
||
|
||
/* 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);
|
||
}
|
||
|
||
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 (abfd)
|
||
bfd *abfd;
|
||
{
|
||
int ncopied = 0;
|
||
char *cbuf = xmalloc (BUFSIZE);
|
||
struct stat buf;
|
||
long size;
|
||
if (bfd_stat_arch_elt (abfd, &buf) != 0)
|
||
fatal ("internal stat error on %s", bfd_get_filename (abfd));
|
||
|
||
if (verbose)
|
||
printf ("\n<member %s>\n\n", bfd_get_filename (abfd));
|
||
|
||
bfd_seek (abfd, 0, SEEK_SET);
|
||
|
||
size = buf.st_size;
|
||
while (ncopied < size)
|
||
{
|
||
|
||
int nread;
|
||
int tocopy = size - ncopied;
|
||
if (tocopy > BUFSIZE)
|
||
tocopy = BUFSIZE;
|
||
|
||
nread = bfd_read (cbuf, 1, tocopy, abfd); /* oops -- broke
|
||
abstraction! */
|
||
if (nread != tocopy)
|
||
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 (abfd)
|
||
bfd *abfd;
|
||
{
|
||
FILE *ostream;
|
||
char *cbuf = xmalloc (BUFSIZE);
|
||
int nread, tocopy;
|
||
int ncopied = 0;
|
||
long 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 (verbose)
|
||
printf ("x - %s\n", bfd_get_filename (abfd));
|
||
|
||
bfd_seek (abfd, 0, SEEK_SET);
|
||
|
||
ostream = 0;
|
||
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)
|
||
{
|
||
perror (bfd_get_filename (abfd));
|
||
xexit (1);
|
||
}
|
||
|
||
output_file = ostream;
|
||
}
|
||
else
|
||
while (ncopied < size)
|
||
{
|
||
tocopy = size - ncopied;
|
||
if (tocopy > BUFSIZE)
|
||
tocopy = BUFSIZE;
|
||
|
||
nread = bfd_read (cbuf, 1, tocopy, abfd);
|
||
if (nread != tocopy)
|
||
fatal ("%s is not a valid archive",
|
||
bfd_get_filename (bfd_my_archive (abfd)));
|
||
|
||
/* See comment above; this saves disk arm motion */
|
||
if (!ostream)
|
||
{
|
||
/* 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)
|
||
{
|
||
perror (bfd_get_filename (abfd));
|
||
xexit (1);
|
||
}
|
||
|
||
output_file = ostream;
|
||
}
|
||
fwrite (cbuf, 1, nread, ostream);
|
||
ncopied += tocopy;
|
||
}
|
||
|
||
fclose (ostream);
|
||
|
||
output_file = NULL;
|
||
output_filename = NULL;
|
||
|
||
chmod (bfd_get_filename (abfd), buf.st_mode);
|
||
|
||
if (preserve_dates)
|
||
{
|
||
#ifdef HAVE_GOOD_UTIME_H
|
||
struct utimbuf tb;
|
||
tb.actime = buf.st_mtime;
|
||
tb.modtime = buf.st_mtime;
|
||
utime (bfd_get_filename (abfd), &tb); /* FIXME check result */
|
||
#else /* ! HAVE_GOOD_UTIME_H */
|
||
#ifndef HAVE_UTIMES
|
||
long tb[2];
|
||
tb[0] = buf.st_mtime;
|
||
tb[1] = buf.st_mtime;
|
||
utime (bfd_get_filename (abfd), tb); /* FIXME check result */
|
||
#else /* HAVE_UTIMES */
|
||
struct timeval tv[2];
|
||
tv[0].tv_sec = buf.st_mtime;
|
||
tv[0].tv_usec = 0;
|
||
tv[1].tv_sec = buf.st_mtime;
|
||
tv[1].tv_usec = 0;
|
||
utimes (bfd_get_filename (abfd), tv); /* FIXME check result */
|
||
#endif /* HAVE_UTIMES */
|
||
#endif /* ! HAVE_GOOD_UTIME_H */
|
||
}
|
||
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 (archive_filename, files_to_append)
|
||
const char *archive_filename;
|
||
char **files_to_append;
|
||
{
|
||
FILE *ofile, *ifile;
|
||
char *buf = xmalloc (BUFSIZE);
|
||
long tocopy, thistime;
|
||
bfd *temp;
|
||
struct stat sbuf;
|
||
boolean newfile = false;
|
||
bfd_set_error (bfd_error_no_error);
|
||
|
||
if (stat (archive_filename, &sbuf) != 0)
|
||
{
|
||
|
||
#ifndef __GO32__
|
||
|
||
/* 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 == false)
|
||
{
|
||
if (bfd_check_format (temp, bfd_archive) != true)
|
||
fatal ("%s is not an archive", archive_filename);
|
||
}
|
||
else
|
||
{
|
||
fwrite (ARMAG, 1, SARMAG, ofile);
|
||
if (!silent_create)
|
||
fprintf (stderr, "%s: creating %s\n",
|
||
program_name, archive_filename);
|
||
}
|
||
|
||
if (ar_truncate)
|
||
temp->flags |= BFD_TRADITIONAL_FORMAT;
|
||
|
||
/* assume it's an achive, 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 (iarch)
|
||
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) != true)
|
||
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);
|
||
unlink (old_name);
|
||
|
||
if (rename (new_name, old_name) != 0)
|
||
bfd_fatal (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 (contents, default_pos)
|
||
bfd **contents;
|
||
enum pos default_pos;
|
||
{
|
||
bfd **after_bfd = contents;
|
||
enum pos realpos = (postype == pos_default ? default_pos : postype);
|
||
|
||
if (realpos == pos_end)
|
||
{
|
||
while (*after_bfd)
|
||
after_bfd = &((*after_bfd)->next);
|
||
}
|
||
else
|
||
{
|
||
for (; *after_bfd; after_bfd = &(*after_bfd)->next)
|
||
if (!strcmp ((*after_bfd)->filename, posname))
|
||
{
|
||
if (realpos == pos_after)
|
||
after_bfd = &(*after_bfd)->next;
|
||
break;
|
||
}
|
||
}
|
||
return after_bfd;
|
||
}
|
||
|
||
static void
|
||
delete_members (arch, files_to_delete)
|
||
bfd *arch;
|
||
char **files_to_delete;
|
||
{
|
||
bfd **current_ptr_ptr;
|
||
boolean found;
|
||
boolean something_changed = false;
|
||
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;
|
||
current_ptr_ptr = &(arch->next);
|
||
while (*current_ptr_ptr)
|
||
{
|
||
if (strcmp (*files_to_delete, (*current_ptr_ptr)->filename) == 0)
|
||
{
|
||
found = true;
|
||
something_changed = true;
|
||
if (verbose)
|
||
printf ("d - %s\n",
|
||
*files_to_delete);
|
||
*current_ptr_ptr = ((*current_ptr_ptr)->next);
|
||
goto next_file;
|
||
}
|
||
else
|
||
{
|
||
current_ptr_ptr = &((*current_ptr_ptr)->next);
|
||
}
|
||
}
|
||
|
||
if (verbose && found == false)
|
||
{
|
||
printf ("No member named `%s'\n", *files_to_delete);
|
||
}
|
||
next_file:
|
||
;
|
||
}
|
||
|
||
if (something_changed == true)
|
||
{
|
||
write_archive (arch);
|
||
}
|
||
}
|
||
|
||
|
||
/* Reposition existing members within an archive */
|
||
|
||
static void
|
||
move_members (arch, files_to_move)
|
||
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 (strcmp (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);
|
||
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);
|
||
}
|
||
fprintf (stderr, "%s: no entry %s in archive %s!\n",
|
||
program_name, *files_to_move, arch->filename);
|
||
xexit (1);
|
||
next_file:;
|
||
}
|
||
|
||
write_archive (arch);
|
||
}
|
||
|
||
/* Ought to default to replacing in place, but this is existing practice! */
|
||
|
||
static void
|
||
replace_members (arch, files_to_move, quick)
|
||
bfd *arch;
|
||
char **files_to_move;
|
||
boolean quick;
|
||
{
|
||
boolean changed = false;
|
||
bfd **after_bfd; /* New entries go after this one */
|
||
bfd *current;
|
||
bfd **current_ptr;
|
||
bfd *temp;
|
||
|
||
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 (strcmp (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)
|
||
fatal ("internal stat error on %s", current->filename);
|
||
|
||
if (fsbuf.st_mtime <= asbuf.st_mtime)
|
||
goto next_file;
|
||
}
|
||
|
||
/* snip out this entry from the chain */
|
||
*current_ptr = current->next;
|
||
|
||
after_bfd = get_pos_bfd (&arch->next, pos_end);
|
||
temp = *after_bfd;
|
||
*after_bfd = bfd_openr (*files_to_move, NULL);
|
||
if (*after_bfd == (bfd *) NULL)
|
||
{
|
||
bfd_fatal (*files_to_move);
|
||
}
|
||
(*after_bfd)->next = temp;
|
||
|
||
if (verbose)
|
||
{
|
||
printf ("r - %s\n", *files_to_move);
|
||
}
|
||
|
||
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);
|
||
temp = *after_bfd;
|
||
*after_bfd = bfd_openr (*files_to_move, NULL);
|
||
if (*after_bfd == (bfd *) NULL)
|
||
{
|
||
bfd_fatal (*files_to_move);
|
||
}
|
||
if (verbose)
|
||
{
|
||
printf ("a - %s\n", *files_to_move);
|
||
}
|
||
|
||
(*after_bfd)->next = temp;
|
||
|
||
changed = true;
|
||
|
||
next_file:;
|
||
|
||
files_to_move++;
|
||
}
|
||
|
||
if (changed)
|
||
write_archive (arch);
|
||
}
|
||
|
||
static void
|
||
ranlib_only (archname)
|
||
const char *archname;
|
||
{
|
||
bfd *arch;
|
||
|
||
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 (archname)
|
||
const char *archname;
|
||
{
|
||
#ifdef __GO32__
|
||
/* I don't think updating works on go32. */
|
||
ranlib_only (archname);
|
||
#else
|
||
int f;
|
||
bfd *arch;
|
||
char **matching;
|
||
|
||
f = open (archname, O_RDWR, 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))
|
||
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 (abfd)
|
||
bfd *abfd;
|
||
{
|
||
print_arelt_descr (stdout, abfd, verbose);
|
||
}
|