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484 lines (412 loc) · 9.32 KB
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/* arsup.c - Archive support for MRI compatibility
Copyright (C) 1992-2017 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* Contributed by Steve Chamberlain
sac@cygnus.com
This file looks after requests from arparse.y, to provide the MRI
style librarian command syntax + 1 word LIST. */
#include "sysdep.h"
#include "bfd.h"
#include "libiberty.h"
#include "filenames.h"
#include "bucomm.h"
#include "arsup.h"
static void map_over_list
(bfd *, void (*function) (bfd *, bfd *), struct list *);
static void ar_directory_doer (bfd *, bfd *);
static void ar_addlib_doer (bfd *, bfd *);
extern int verbose;
extern int deterministic;
static bfd *obfd;
static char *real_name;
static FILE *outfile;
static void
map_over_list (bfd *arch, void (*function) (bfd *, bfd *), struct list *list)
{
bfd *head;
if (list == NULL)
{
bfd *next;
head = arch->archive_next;
while (head != NULL)
{
next = head->archive_next;
function (head, (bfd *) NULL);
head = next;
}
}
else
{
struct list *ptr;
/* This may appear to be a baroque way of accomplishing what we
want. however we have to iterate over the filenames in order
to notice where a filename is requested but does not exist in
the archive. Ditto mapping over each file each time -- we
want to hack multiple references. */
for (ptr = list; ptr; ptr = ptr->next)
{
bfd_boolean found = FALSE;
bfd *prev = arch;
for (head = arch->archive_next; head; head = head->archive_next)
{
if (head->filename != NULL
&& FILENAME_CMP (ptr->name, head->filename) == 0)
{
found = TRUE;
function (head, prev);
}
prev = head;
}
if (! found)
fprintf (stderr, _("No entry %s in archive.\n"), ptr->name);
}
}
}
static void
ar_directory_doer (bfd *abfd, bfd *ignore ATTRIBUTE_UNUSED)
{
print_arelt_descr(outfile, abfd, verbose);
}
void
ar_directory (char *ar_name, struct list *list, char *output)
{
bfd *arch;
arch = open_inarch (ar_name, (char *) NULL);
if (output)
{
outfile = fopen(output,"w");
if (outfile == 0)
{
outfile = stdout;
fprintf (stderr,_("Can't open file %s\n"), output);
output = 0;
}
}
else
outfile = stdout;
map_over_list (arch, ar_directory_doer, list);
bfd_close (arch);
if (output)
fclose (outfile);
}
void
prompt (void)
{
extern int interactive;
if (interactive)
{
printf ("AR >");
fflush (stdout);
}
}
void
maybequit (void)
{
if (! interactive)
xexit (9);
}
void
ar_open (char *name, int t)
{
char *tname = (char *) xmalloc (strlen (name) + 10);
const char *bname = lbasename (name);
real_name = name;
/* Prepend tmp- to the beginning, to avoid file-name clashes after
truncation on filesystems with limited namespaces (DOS). */
sprintf (tname, "%.*stmp-%s", (int) (bname - name), name, bname);
obfd = bfd_openw (tname, NULL);
if (!obfd)
{
fprintf (stderr,
_("%s: Can't open output archive %s\n"),
program_name, tname);
maybequit ();
}
else
{
if (!t)
{
bfd **ptr;
bfd *element;
bfd *ibfd;
ibfd = bfd_openr (name, NULL);
if (!ibfd)
{
fprintf (stderr,_("%s: Can't open input archive %s\n"),
program_name, name);
maybequit ();
return;
}
if (!bfd_check_format(ibfd, bfd_archive))
{
fprintf (stderr,
_("%s: file %s is not an archive\n"),
program_name, name);
maybequit ();
return;
}
ptr = &(obfd->archive_head);
element = bfd_openr_next_archived_file (ibfd, NULL);
while (element)
{
*ptr = element;
ptr = &element->archive_next;
element = bfd_openr_next_archived_file (ibfd, element);
}
}
bfd_set_format (obfd, bfd_archive);
obfd->has_armap = 1;
obfd->is_thin_archive = 0;
}
}
static void
ar_addlib_doer (bfd *abfd, bfd *prev)
{
/* Add this module to the output bfd. */
if (prev != NULL)
prev->archive_next = abfd->archive_next;
abfd->archive_next = obfd->archive_head;
obfd->archive_head = abfd;
}
void
ar_addlib (char *name, struct list *list)
{
if (obfd == NULL)
{
fprintf (stderr, _("%s: no output archive specified yet\n"), program_name);
maybequit ();
}
else
{
bfd *arch;
arch = open_inarch (name, (char *) NULL);
if (arch != NULL)
map_over_list (arch, ar_addlib_doer, list);
/* Don't close the bfd, since it will make the elements disappear. */
}
}
void
ar_addmod (struct list *list)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open output archive\n"), program_name);
maybequit ();
}
else
{
while (list)
{
bfd *abfd = bfd_openr (list->name, NULL);
if (!abfd)
{
fprintf (stderr, _("%s: can't open file %s\n"),
program_name, list->name);
maybequit ();
}
else
{
abfd->archive_next = obfd->archive_head;
obfd->archive_head = abfd;
}
list = list->next;
}
}
}
void
ar_clear (void)
{
if (obfd)
obfd->archive_head = 0;
}
void
ar_delete (struct list *list)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open output archive\n"), program_name);
maybequit ();
}
else
{
while (list)
{
/* Find this name in the archive. */
bfd *member = obfd->archive_head;
bfd **prev = &(obfd->archive_head);
int found = 0;
while (member)
{
if (FILENAME_CMP(member->filename, list->name) == 0)
{
*prev = member->archive_next;
found = 1;
}
else
prev = &(member->archive_next);
member = member->archive_next;
}
if (!found)
{
fprintf (stderr, _("%s: can't find module file %s\n"),
program_name, list->name);
maybequit ();
}
list = list->next;
}
}
}
void
ar_save (void)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open output archive\n"), program_name);
maybequit ();
}
else
{
char *ofilename = xstrdup (bfd_get_filename (obfd));
if (deterministic > 0)
obfd->flags |= BFD_DETERMINISTIC_OUTPUT;
bfd_close (obfd);
smart_rename (ofilename, real_name, 0);
obfd = 0;
free (ofilename);
}
}
void
ar_replace (struct list *list)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open output archive\n"), program_name);
maybequit ();
}
else
{
while (list)
{
/* Find this name in the archive. */
bfd *member = obfd->archive_head;
bfd **prev = &(obfd->archive_head);
int found = 0;
while (member)
{
if (FILENAME_CMP (member->filename, list->name) == 0)
{
/* Found the one to replace. */
bfd *abfd = bfd_openr (list->name, 0);
if (!abfd)
{
fprintf (stderr, _("%s: can't open file %s\n"),
program_name, list->name);
maybequit ();
}
else
{
*prev = abfd;
abfd->archive_next = member->archive_next;
found = 1;
}
}
else
{
prev = &(member->archive_next);
}
member = member->archive_next;
}
if (!found)
{
bfd *abfd = bfd_openr (list->name, 0);
fprintf (stderr,_("%s: can't find module file %s\n"),
program_name, list->name);
if (!abfd)
{
fprintf (stderr, _("%s: can't open file %s\n"),
program_name, list->name);
maybequit ();
}
else
*prev = abfd;
}
list = list->next;
}
}
}
/* And I added this one. */
void
ar_list (void)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open output archive\n"), program_name);
maybequit ();
}
else
{
bfd *abfd;
outfile = stdout;
verbose =1 ;
printf (_("Current open archive is %s\n"), bfd_get_filename (obfd));
for (abfd = obfd->archive_head;
abfd != (bfd *)NULL;
abfd = abfd->archive_next)
ar_directory_doer (abfd, (bfd *) NULL);
}
}
void
ar_end (void)
{
if (obfd)
{
bfd_cache_close (obfd);
unlink (bfd_get_filename (obfd));
}
}
void
ar_extract (struct list *list)
{
if (!obfd)
{
fprintf (stderr, _("%s: no open archive\n"), program_name);
maybequit ();
}
else
{
while (list)
{
/* Find this name in the archive. */
bfd *member = obfd->archive_head;
int found = 0;
while (member && !found)
{
if (FILENAME_CMP (member->filename, list->name) == 0)
{
extract_file (member);
found = 1;
}
member = member->archive_next;
}
if (!found)
{
bfd_openr (list->name, 0);
fprintf (stderr, _("%s: can't find module file %s\n"),
program_name, list->name);
}
list = list->next;
}
}
}