* libbfd-in.h (_bfd_ar_spacepad): New prototype.

* libbfd.h: Rebuilt. * archive.c (_bfd_ar_spacepad): New function. (_bfd_construct_extended_name_table, _bfd_write_archive_contents, bsd_write_armap, _bfd_archive_bsd_update_armap_timestamp, coff_write_armap): Use it. (bfd_ar_hdr_from_filesystem): Likewise. Fix HP-UX large uid/gid support. * archive64.c (bfd_elf64_archive_write_armap): Use _bfd_ar_spacepad.
2005-03-11 16:37:17 +00:00 · 2005-03-11 16:37:17 +00:00 · 390c0e4288
parent e8d4604887
commit 390c0e4288
5 changed files with 83 additions and 86 deletions
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@ -1,3 +1,15 @@
+2005-03-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* libbfd-in.h (_bfd_ar_spacepad): New prototype.
+	* libbfd.h: Rebuilt.
+	* archive.c (_bfd_ar_spacepad): New function.
+	(_bfd_construct_extended_name_table, _bfd_write_archive_contents,
+	bsd_write_armap, _bfd_archive_bsd_update_armap_timestamp,
+	coff_write_armap): Use it.
+	(bfd_ar_hdr_from_filesystem): Likewise.  Fix HP-UX large
+	uid/gid support.
+	* archive64.c (bfd_elf64_archive_write_armap): Use _bfd_ar_spacepad.
+
 2005-03-10  Mark Kettenis  <kettenis@gnu.org>

 	* archive.c (_bfd_look_for_bfd_in_cache): Move declaration of
--- a/bfd/archive.c
+++ b/bfd/archive.c
@ -121,7 +121,7 @@ DESCRIPTION

 Regular files with long names (or embedded spaces, for BSD variants):
 "/18             " - SVR4 style, name at offset 18 in name table.
- "#1/23           " - Long name (or embedded paces) 23 characters long,
+ "#1/23           " - Long name (or embedded spaces) 23 characters long,
 		      BSD 4.4 style, full name follows header.
 		      Implemented for reading, not writing.
 " 18             " - Long name 18 characters long, extended pseudo-BSD.
@ -155,7 +155,22 @@ struct ar_cache {

 #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data))
 #define arch_hdr(bfd) ((struct ar_hdr *) arch_eltdata(bfd)->arch_header)
-
+
+void
+_bfd_ar_spacepad (char *p, size_t n, const char *fmt, long val)
+{
+  static char buf[20];
+  size_t len;
+  snprintf (buf, sizeof (buf), fmt, val);
+  len = strlen (buf);
+  if (len < n)
+    {
+      memcpy (p, buf, len);
+      memset (p + len, ' ', n - len);
+    }
+  else
+    memcpy (p, buf, n);
+}

 bfd_boolean
 _bfd_generic_mkarchive (bfd *abfd)
@ -1283,17 +1298,8 @@ _bfd_construct_extended_name_table (bfd *abfd,
 	      strptr[thislen + 1] = '\012';
 	    }
 	  hdr->ar_name[0] = ar_padchar (current);
-	  /* We know there will always be enough room (one of the few
-	     cases where you may safely use sprintf).  */
-	  sprintf ((hdr->ar_name) + 1, "%-d", (unsigned) (strptr - *tabloc));
-	  /* Kinda Kludgy.  We should just use the returned value of
-	     sprintf but not all implementations get this right.  */
-	  {
-	    char *temp = hdr->ar_name + 2;
-	    for (; temp < hdr->ar_name + maxname; temp++)
-	      if (*temp == '\0')
-		*temp = ' ';
-	  }
+          _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld",
+                            strptr - *tabloc);
 	  strptr += thislen + 1;
 	  if (trailing_slash)
 	    ++strptr;
@ -1340,7 +1346,6 @@ bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member)
  struct stat status;
  struct areltdata *ared;
  struct ar_hdr *hdr;
-  char *temp, *temp1;
  bfd_size_type amt;

  if (member && (member->flags & BFD_IN_MEMORY) != 0)
@ -1368,39 +1373,31 @@ bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member)
  /* ar headers are space padded, not null padded!  */
  memset (hdr, ' ', sizeof (struct ar_hdr));

-  strncpy (hdr->ar_fmag, ARFMAG, 2);
-
-  /* Goddamned sprintf doesn't permit MAXIMUM field lengths.  */
-  sprintf ((hdr->ar_date), "%-12ld", (long) status.st_mtime);
+  _bfd_ar_spacepad (hdr->ar_date, sizeof (hdr->ar_date), "%-12ld",
+                    status.st_mtime);
 #ifdef HPUX_LARGE_AR_IDS
  /* HP has a very "special" way to handle UID/GID's with numeric values
     > 99999.  */
  if (status.st_uid > 99999)
-    hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_uid);
+    hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_uid);
  else
 #endif
-    sprintf ((hdr->ar_uid), "%ld", (long) status.st_uid);
+    _bfd_ar_spacepad (hdr->ar_uid, sizeof (hdr->ar_uid), "%ld",
+                      status.st_uid);
 #ifdef HPUX_LARGE_AR_IDS
  /* HP has a very "special" way to handle UID/GID's with numeric values
     > 99999.  */
  if (status.st_gid > 99999)
-    hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_gid);
+    hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_gid);
  else
 #endif
-  sprintf ((hdr->ar_gid), "%ld", (long) status.st_gid);
-  sprintf ((hdr->ar_mode), "%-8o", (unsigned int) status.st_mode);
-  sprintf ((hdr->ar_size), "%-10ld", (long) status.st_size);
-  /* Correct for a lossage in sprintf whereby it null-terminates.  I cannot
-     understand how these C losers could design such a ramshackle bunch of
-     IO operations.  */
-  temp = (char *) hdr;
-  temp1 = temp + sizeof (struct ar_hdr) - 2;
-  for (; temp < temp1; temp++)
-    {
-      if (*temp == '\0')
-	*temp = ' ';
-    }
-  strncpy (hdr->ar_fmag, ARFMAG, 2);
+    _bfd_ar_spacepad (hdr->ar_gid, sizeof (hdr->ar_gid), "%ld",
+                      status.st_gid);
+  _bfd_ar_spacepad (hdr->ar_mode, sizeof (hdr->ar_mode), "%-8lo",
+                    status.st_mode);
+  _bfd_ar_spacepad (hdr->ar_size, sizeof (hdr->ar_size), "%-10ld",
+                    status.st_size);
+  memcpy (hdr->ar_fmag, ARFMAG, 2);
  ared->parsed_size = status.st_size;
  ared->arch_header = (char *) hdr;

@ -1621,7 +1618,6 @@ _bfd_write_archive_contents (bfd *arch)
  /* If no .o's, don't bother to make a map.  */
  bfd_boolean hasobjects = FALSE;
  bfd_size_type wrote;
-  unsigned int i;
  int tries;

  /* Verify the viability of all entries; if any of them live in the
@ -1678,15 +1674,12 @@ _bfd_write_archive_contents (bfd *arch)
    {
      struct ar_hdr hdr;

-      memset (&hdr, 0, sizeof (struct ar_hdr));
-      strcpy (hdr.ar_name, ename);
+      memset (&hdr, ' ', sizeof (struct ar_hdr));
+      memcpy (hdr.ar_name, ename, strlen (ename));
      /* Round size up to even number in archive header.  */
-      sprintf (&(hdr.ar_size[0]), "%-10d",
-	       (int) ((elength + 1) & ~(bfd_size_type) 1));
-      strncpy (hdr.ar_fmag, ARFMAG, 2);
-      for (i = 0; i < sizeof (struct ar_hdr); i++)
-	if (((char *) (&hdr))[i] == '\0')
-	  (((char *) (&hdr))[i]) = ' ';
+      _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld",
+                        (elength + 1) & ~(bfd_size_type) 1);
+      memcpy (hdr.ar_fmag, ARFMAG, 2);
      if ((bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
 	   != sizeof (struct ar_hdr))
 	  || bfd_bwrite (etable, elength, arch) != elength)
@ -1920,25 +1913,22 @@ bsd_write_armap (bfd *arch,
  unsigned int count;
  struct ar_hdr hdr;
  struct stat statbuf;
-  unsigned int i;

  firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG;

  stat (arch->filename, &statbuf);
-  memset (&hdr, 0, sizeof (struct ar_hdr));
-  sprintf (hdr.ar_name, RANLIBMAG);
+  memset (&hdr, ' ', sizeof (struct ar_hdr));
+  memcpy (hdr.ar_name, RANLIBMAG, strlen (RANLIBMAG));
  /* Remember the timestamp, to keep it holy.  But fudge it a little.  */
  bfd_ardata (arch)->armap_timestamp = statbuf.st_mtime + ARMAP_TIME_OFFSET;
  bfd_ardata (arch)->armap_datepos = (SARMAG
 				      + offsetof (struct ar_hdr, ar_date[0]));
-  sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp);
-  sprintf (hdr.ar_uid, "%ld", (long) getuid ());
-  sprintf (hdr.ar_gid, "%ld", (long) getgid ());
-  sprintf (hdr.ar_size, "%-10d", (int) mapsize);
-  strncpy (hdr.ar_fmag, ARFMAG, 2);
-  for (i = 0; i < sizeof (struct ar_hdr); i++)
-    if (((char *) (&hdr))[i] == '\0')
-      (((char *) (&hdr))[i]) = ' ';
+  _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+                    bfd_ardata (arch)->armap_timestamp);
+  _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", getuid ());
+  _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", getgid ());
+  _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld", mapsize);
+  memcpy (hdr.ar_fmag, ARFMAG, 2);
  if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
      != sizeof (struct ar_hdr))
    return FALSE;
@ -2003,7 +1993,6 @@ _bfd_archive_bsd_update_armap_timestamp (bfd *arch)
 {
  struct stat archstat;
  struct ar_hdr hdr;
-  unsigned int i;

  /* Flush writes, get last-write timestamp from file, and compare it
     to the timestamp IN the file.  */
@ -2023,11 +2012,9 @@ _bfd_archive_bsd_update_armap_timestamp (bfd *arch)
  bfd_ardata (arch)->armap_timestamp = archstat.st_mtime + ARMAP_TIME_OFFSET;

  /* Prepare an ASCII version suitable for writing.  */
-  memset (hdr.ar_date, 0, sizeof (hdr.ar_date));
-  sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp);
-  for (i = 0; i < sizeof (hdr.ar_date); i++)
-    if (hdr.ar_date[i] == '\0')
-      (hdr.ar_date)[i] = ' ';
+  memset (hdr.ar_date, ' ', sizeof (hdr.ar_date));
+  _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+                    bfd_ardata (arch)->armap_timestamp);

  /* Write it into the file.  */
  bfd_ardata (arch)->armap_datepos = (SARMAG
@ -2075,7 +2062,6 @@ coff_write_armap (bfd *arch,
  bfd *current = arch->archive_head;
  unsigned int count;
  struct ar_hdr hdr;
-  unsigned int i;
  int padit = mapsize & 1;

  if (padit)
@ -2087,19 +2073,17 @@ coff_write_armap (bfd *arch,
 			     + sizeof (struct ar_hdr)
 			     + SARMAG);

-  memset (&hdr, 0, sizeof (struct ar_hdr));
+  memset (&hdr, ' ', sizeof (struct ar_hdr));
  hdr.ar_name[0] = '/';
-  sprintf (hdr.ar_size, "%-10d", (int) mapsize);
-  sprintf (hdr.ar_date, "%ld", (long) time (NULL));
+  _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld",
+                    mapsize);
+  _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+                    time (NULL));
  /* This, at least, is what Intel coff sets the values to.  */
-  sprintf ((hdr.ar_uid), "%d", 0);
-  sprintf ((hdr.ar_gid), "%d", 0);
-  sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
-  strncpy (hdr.ar_fmag, ARFMAG, 2);
-
-  for (i = 0; i < sizeof (struct ar_hdr); i++)
-    if (((char *) (&hdr))[i] == '\0')
-      (((char *) (&hdr))[i]) = ' ';
+  _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", 0);
+  _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", 0);
+  _bfd_ar_spacepad (hdr.ar_mode, sizeof (hdr.ar_mode), "%-7lo", 0);
+  memcpy (hdr.ar_fmag, ARFMAG, 2);

  /* Write the ar header for this item and the number of symbols.  */
  if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
--- a/bfd/archive64.c
+++ b/bfd/archive64.c
@ -156,7 +156,6 @@ bfd_elf64_archive_write_armap (bfd *arch,
  bfd *current = arch->archive_head;
  unsigned int count;
  struct ar_hdr hdr;
-  unsigned int i;
  int padding;
  bfd_byte buf[8];

@ -169,19 +168,17 @@ bfd_elf64_archive_write_armap (bfd *arch,
 			     + sizeof (struct ar_hdr)
 			     + SARMAG);

-  memset (&hdr, 0, sizeof (struct ar_hdr));
-  strcpy (hdr.ar_name, "/SYM64/");
-  sprintf (hdr.ar_size, "%-10d", (int) mapsize);
-  sprintf (hdr.ar_date, "%ld", (long) time (NULL));
+  memset (&hdr, ' ', sizeof (struct ar_hdr));
+  memcpy (hdr.ar_name, "/SYM64/", strlen ("/SYM64/"));
+  _bfd_ar_spacepad (hdr.ar_size, sizeof (hdr.ar_size), "%-10ld",
+                    mapsize);
+  _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
+                    time (NULL));
  /* This, at least, is what Intel coff sets the values to.: */
-  sprintf ((hdr.ar_uid), "%d", 0);
-  sprintf ((hdr.ar_gid), "%d", 0);
-  sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0);
-  strncpy (hdr.ar_fmag, ARFMAG, 2);
-
-  for (i = 0; i < sizeof (struct ar_hdr); i++)
-    if (((char *) (&hdr))[i] == '\0')
-      (((char *) (&hdr))[i]) = ' ';
+  _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", 0);
+  _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", 0);
+  _bfd_ar_spacepad (hdr.ar_mode, sizeof (hdr.ar_mode), "%-7lo", 0);
+  memcpy (hdr.ar_fmag, ARFMAG, 2);

  /* Write the ar header for this item and the number of symbols */

--- a/bfd/libbfd-in.h
+++ b/bfd/libbfd-in.h
@ -178,6 +178,8 @@ bfd_boolean coff_write_armap

 extern void *_bfd_generic_read_ar_hdr
  (bfd *);
+extern void _bfd_ar_spacepad
+  (char *, size_t, const char *, long);

 extern void *_bfd_generic_read_ar_hdr_mag
  (bfd *, const char *);
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@ -183,6 +183,8 @@ bfd_boolean coff_write_armap

 extern void *_bfd_generic_read_ar_hdr
  (bfd *);
+extern void _bfd_ar_spacepad
+  (char *, size_t, const char *, long);

 extern void *_bfd_generic_read_ar_hdr_mag
  (bfd *, const char *);