19990502 sourceware importbinu_ss_19990502

1 files changed, 1338 insertions, 0 deletions

diff --git a/binutils/ar.c b/binutils/ar.c
new file mode 100644
index 0000000..c951ef7
--- /dev/null
+++ b/binutils/ar.c
@@ -0,0 +1,1338 @@
+/* ar.c - Archive modify and extract.
+   Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+   Free Software Foundation, Inc.
+
+This file is part of GNU Binutils.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/*
+   Bugs: should use getopt the way tar does (complete w/optional -) and
+   should have long options too. GNU ar used to check file against filesystem
+   in quick_update and replace operations (would check mtime). Doesn't warn
+   when name truncated. No way to specify pos_end. Error messages should be
+   more consistant.
+*/
+#include "bfd.h"
+#include "libiberty.h"
+#include "progress.h"
+#include "bucomm.h"
+#include "aout/ar.h"
+#include "libbfd.h"
+#include "arsup.h"
+#include <sys/stat.h>
+
+#ifdef __GO32___
+#define EXT_NAME_LEN 3		/* bufflen of addition to name if it's MS-DOS */
+#else
+#define EXT_NAME_LEN 6		/* ditto for *NIX */
+#endif
+
+#define BUFSIZE 8192
+
+/* Kludge declaration from BFD!  This is ugly!  FIXME!  XXX */
+
+struct ar_hdr *
+  bfd_special_undocumented_glue PARAMS ((bfd * abfd, const char *filename));
+
+/* Static declarations */
+
+static void
+mri_emul PARAMS ((void));
+
+static const char *
+normalize PARAMS ((const char *, bfd *));
+
+static void
+remove_output PARAMS ((void));
+
+static void
+map_over_members PARAMS ((bfd *, void (*)(bfd *), char **, int));
+
+static void
+print_contents PARAMS ((bfd * member));
+
+static void
+delete_members PARAMS ((bfd *, char **files_to_delete));
+
+#if 0
+static void
+do_quick_append PARAMS ((const char *archive_filename,
+			 char **files_to_append));
+#endif
+
+static void
+move_members PARAMS ((bfd *, char **files_to_move));
+
+static void
+replace_members PARAMS ((bfd *, char **files_to_replace, boolean quick));
+
+static void
+print_descr PARAMS ((bfd * abfd));
+
+static void
+write_archive PARAMS ((bfd *));
+
+static void
+ranlib_only PARAMS ((const char *archname));
+
+static void
+ranlib_touch PARAMS ((const char *archname));
+
+static void
+usage PARAMS ((int));
+
+/** Globals and flags */
+
+int mri_mode;
+
+/* This flag distinguishes between ar and ranlib:
+   1 means this is 'ranlib'; 0 means this is 'ar'.
+   -1 means if we should use argv[0] to decide.  */
+extern int is_ranlib;
+
+/* Nonzero means don't warn about creating the archive file if necessary.  */
+int silent_create = 0;
+
+/* Nonzero means describe each action performed.  */
+int verbose = 0;
+
+/* Nonzero means preserve dates of members when extracting them.  */
+int preserve_dates = 0;
+
+/* Nonzero means don't replace existing members whose dates are more recent
+   than the corresponding files.  */
+int newer_only = 0;
+
+/* Controls the writing of an archive symbol table (in BSD: a __.SYMDEF
+   member).  -1 means we've been explicitly asked to not write a symbol table;
+   +1 means we've been explictly asked to write it;
+   0 is the default.
+   Traditionally, the default in BSD has been to not write the table.
+   However, for POSIX.2 compliance the default is now to write a symbol table
+   if any of the members are object files.  */
+int write_armap = 0;
+
+/* Nonzero means it's the name of an existing member; position new or moved
+   files with respect to this one.  */
+char *posname = NULL;
+
+/* Sez how to use `posname': pos_before means position before that member.
+   pos_after means position after that member. pos_end means always at end.
+   pos_default means default appropriately. For the latter two, `posname'
+   should also be zero.  */
+enum pos
+  {
+    pos_default, pos_before, pos_after, pos_end
+  } postype = pos_default;
+
+static bfd **
+get_pos_bfd PARAMS ((bfd **, enum pos, const char *));
+
+/* Whether to truncate names of files stored in the archive.  */
+static boolean ar_truncate = false;
+
+int interactive = 0;
+
+static void
+mri_emul ()
+{
+  interactive = isatty (fileno (stdin));
+  yyparse ();
+}
+
+/* If COUNT is 0, then FUNCTION is called once on each entry.  If nonzero,
+   COUNT is the length of the FILES chain; FUNCTION is called on each entry
+   whose name matches one in FILES.  */
+
+static void
+map_over_members (arch, function, files, count)
+     bfd *arch;
+     void (*function) PARAMS ((bfd *));
+     char **files;
+     int count;
+{
+  bfd *head;
+
+  if (count == 0)
+    {
+      for (head = arch->next; head; head = head->next)
+	{
+	  PROGRESS (1);
+	  function (head);
+	}
+      return;
+    }
+  /* This may appear to be a baroque way of accomplishing what we want.
+     However we have to iterate over the filenames in order to notice where
+     a filename is requested but does not exist in the archive.  Ditto
+     mapping over each file each time -- we want to hack multiple
+     references.  */
+
+  for (; count > 0; files++, count--)
+    {
+      boolean found = false;
+
+      for (head = arch->next; head; head = head->next)
+	{
+	  PROGRESS (1);
+	  if (head->filename == NULL)
+	    {
+	      /* Some archive formats don't get the filenames filled in
+		 until the elements are opened.  */
+	      struct stat buf;
+	      bfd_stat_arch_elt (head, &buf);
+	    }
+	  if ((head->filename != NULL) &&
+	      (!strcmp (*files, head->filename)))
+	    {
+	      found = true;
+	      function (head);
+	    }
+	}
+      if (!found)
+	/* xgettext:c-format */
+	fprintf (stderr, _("no entry %s in archive\n"), *files);
+    }
+}
+
+boolean operation_alters_arch = false;
+
+static void
+usage (help)
+     int help;
+{
+  FILE *s;
+
+  s = help ? stdout : stderr;
+  
+  if (! is_ranlib)
+    {
+      /* xgettext:c-format */
+      fprintf (s, _("Usage: %s [-]{dmpqrstx}[abcilosSuvV] [member-name] archive-file file...\n"), program_name);
+      /* xgettext:c-format */
+      fprintf (s, _("       %s -M [<mri-script]\n"), program_name);
+      fprintf (s, _(" commands:\n"));
+      fprintf (s, _("  d            - delete file(s) from the archive\n"));
+      fprintf (s, _("  m[ab]        - move file(s) in the archive\n"));
+      fprintf (s, _("  p            - print file(s) found in the archive\n"));
+      fprintf (s, _("  q[f]         - quick append file(s) to the archive\n"));
+      fprintf (s, _("  r[ab][f][u]  - replace existing or insert new file(s) into the archive\n"));
+      fprintf (s, _("  t            - display contents of archive\n"));
+      fprintf (s, _("  x[o]         - extract file(s) from the archive\n"));
+      fprintf (s, _(" command specific modifiers:\n"));
+      fprintf (s, _("  [a]          - put file(s) after [member-name]\n"));
+      fprintf (s, _("  [b]          - put file(s) before [member-name] (same as [i])\n"));
+      fprintf (s, _("  [f]          - truncate inserted file names\n"));
+      fprintf (s, _("  [o]          - preserve original dates\n"));
+      fprintf (s, _("  [u]          - only replace files that are newer than current archive contents\n"));
+      fprintf (s, _(" generic modifiers:\n"));
+      fprintf (s, _("  [c]          - do not warn if the library had to be created\n"));
+      fprintf (s, _("  [s]          - create an archive index (cf. ranlib)\n"));
+      fprintf (s, _("  [S]          - do not build a symbol table\n"));
+      fprintf (s, _("  [v]          - be verbose\n"));
+      fprintf (s, _("  [V]          - display the version number\n"));
+    }
+  else
+    /* xgettext:c-format */
+    fprintf (s, _("Usage: %s [-vV] archive\n"), program_name);
+
+  list_supported_targets (program_name, stderr);
+
+  if (help)
+    fprintf (s, _("Report bugs to bug-gnu-utils@gnu.org\n"));
+
+  xexit (help ? 0 : 1);
+}
+
+/* Normalize a file name specified on the command line into a file
+   name which we will use in an archive.  */
+
+static const char *
+normalize (file, abfd)
+     const char *file;
+     bfd *abfd;
+{
+  const char *filename;
+
+  filename = strrchr (file, '/');
+  if (filename != (char *) NULL)
+    filename++;
+  else
+    filename = file;
+
+  if (ar_truncate
+      && abfd != NULL
+      && strlen (filename) > abfd->xvec->ar_max_namelen)
+    {
+      char *s;
+
+      /* Space leak.  */
+      s = (char *) xmalloc (abfd->xvec->ar_max_namelen + 1);
+      memcpy (s, filename, abfd->xvec->ar_max_namelen);
+      s[abfd->xvec->ar_max_namelen] = '\0';
+      filename = s;
+    }
+
+  return filename;
+}
+
+/* Remove any output file.  This is only called via xatexit.  */
+
+static char *output_filename = NULL;
+static FILE *output_file = NULL;
+static bfd *output_bfd = NULL;
+
+static void
+remove_output ()
+{
+  if (output_filename != NULL)
+    {
+      if (output_bfd != NULL && output_bfd->iostream != NULL)
+	fclose ((FILE *) (output_bfd->iostream));
+      if (output_file != NULL)
+	fclose (output_file);
+      unlink (output_filename);
+    }
+}
+
+/* The option parsing should be in its own function.
+   It will be when I have getopt working.  */
+
+int
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  char *arg_ptr;
+  char c;
+  enum
+    {
+      none = 0, delete, replace, print_table,
+      print_files, extract, move, quick_append
+    } operation = none;
+  int arg_index;
+  char **files;
+  char *inarch_filename;
+  int show_version;
+
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+  setlocale (LC_MESSAGES, "");
+#endif
+  bindtextdomain (PACKAGE, LOCALEDIR);
+  textdomain (PACKAGE);
+
+  program_name = argv[0];
+  xmalloc_set_program_name (program_name);
+
+  if (is_ranlib < 0)
+    {
+      char *temp;
+
+      temp = strrchr (program_name, '/');
+      if (temp == NULL)
+	temp = program_name;
+      else
+	++temp;
+      if (strlen (temp) >= 6
+	  && strcmp (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);
+
+  if (is_ranlib)
+    {
+      boolean touch = false;
+
+      if (argc < 2 || strcmp (argv[1], "--help") == 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 'f':
+	  ar_truncate = true;
+	  break;
+	default:
+	  /* xgettext:c-format */
+	  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:
+	  /* xgettext:c-format */
+	  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)
+    /* xgettext:c-format */
+    fatal (_("internal stat error on %s"), bfd_get_filename (abfd));
+
+  if (verbose)
+    /* xgettext:c-format */
+    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)
+	/* 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 (abfd)
+     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, 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_read (cbuf, 1, 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 (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)
+	/* xgettext:c-format */
+	fatal (_("%s is not an archive"), archive_filename);
+    }
+  else
+    {
+      fwrite (ARMAG, 1, SARMAG, ofile);
+      if (!silent_create)
+	/* xgettext:c-format */
+	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);
+
+  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 (contents, default_pos, default_posname)
+     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 (strcmp ((*after_bfd)->filename, realposname) == 0)
+	  {
+	    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)
+	{
+	  /* xgettext:c-format */
+	  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, 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 */
+      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)
+			/* 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);
+		  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;
+
+		  /* snip out this entry from the chain */
+		  *current_ptr = (*current_ptr)->next;
+
+		  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, NULL);
+      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))
+    /* 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 (abfd)
+     bfd *abfd;
+{
+  print_arelt_descr (stdout, abfd, verbose);
+}