Update.

1998-04-07 08:51  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/gconv.c: Take care for NULL arguments.
	* iconv/gconv_dl.c: Make find_func function global.
	* iconv/gconv_int.h: Add prototype for __gconv_find_func.
	Add prototypes for ASCII conversion functions.
	* iconv/gconv_simple.c: Add ASCII conversion functions.
	* locale/C-ctype.c: Correct charset name.

	* wcsmbs/Makefile (distribute): Add wcsmbsload.h.
	(routines): Remove wmemrtowcs and wmemrtombs, add wcsnlen and
	wcsmbsload.
	* wcsmbs/btowc.c: Rewrite to use iconv functionality.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
	* wcsmbs/wchar.h: Add prototype for __wcslen, wcsnlen.  Remove
	prototypes for wmemr*.
	* wcsmbs/wcslen.c: Rename to __wcslen and make wcslen weak alias.
	* wcsmbs/wcsnlen.c: New file.
	* wcsmbs/wcsmbsload.c: New file.
	* wcsmbs/wcsmbsload.h: New file.

	* manual/filesys.texi: Mention risks of tmpnam and mktemp.

	* manual/install.texi: Describe some more critical points.

	* string/string.h: Add prototype for __strnlen.
	* string/strnlen.c: Rename to __strnlen and make strnlen weak alias.

	* sysdeps/posix/mktemp.c: Rewrite to allow many more files and
	much less predictable names.
	* sysdeps/posix/mkstemp.c: Likewise.

1998-04-05  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/libc.texinfo (Top): Change "file namespace" to "local
	namespace".

	* manual/socket.texi: Change file namespace to local namespace.
	(Out-of-Band Data): Remove unneeded variable link.
	(Host Address Functions): Use uint32_t consequently and add a
	number of clarifications for IPv4/IPv6, classless addresses.
	(Internet Namespace): Added some paragraphs about IPv6.
	Based on suggestions by Francesco Potorti` <F.Potorti@cnuce.cnr.it>.

1998-04-05  Philip Blundell  <Philip.Blundell@pobox.com>

	Update for draft-ietf-ipngwg-bsd-api-new-01.txt:

	* resolv/netdb.h (getnameinfo): Use `socklen_t' not `size_t'.
	(NI_NUMERICHOST, et al.): Tidy up and add comments.
	(AI_NUMERICHOST): Define.
	(getnodebyname): New prototype.
	(AI_V4MAPPED, et al.): New constants.

	* sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h (SA_LEN): New macro.<
	* sysdeps/generic/bits/sockaddr.h (SA_LEN): Likewise.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add sa_len
	for socket.
	* sysdeps/unix/sysv/linux/sa_len.c: New file.
	* sysdeps/unix/sysv/linux/Dist: Add sa_len.c.

	* sysdeps/unix/sysv/linux/bits/socket.h: Make multiple #inclusion safe.

	* sysdeps/generic/bits/sockunion.h: New file, defining sockaddr_union.
	* sysdeps/unix/sysv/linux/bits/sockunion.h: Likewise.
	* socket/Makefile (headers): Add bits/sockunion.h.
	* socket/sys/socket.h: Include <bits/sockunion.h>
	* inet/netinet/in.h: Include <bits/sockaddr.h> rather than
	<sys/socket.h>, to avoid getting sockaddr_union defined.
	* sysdeps/generic/bits/socket.h: Allow inclusion from netinet.in.h.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.

	* sysdeps/unix/sysv/linux/if_index.c: Remove use of SIOCGIFCOUNT
	(2.2.x kernels won't have it).

1998-04-06 21:21  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/bits/ioctls.h: Allow inclusion from hurd/ioctl.h.
	* sysdeps/mach/hurd/dl-sysdep.c: Use __ptr_t not caddr_t.
	* iconv/gconv_conf.c: Define MAXPATHLEN if not available before.
	Patches by UCHIYAMA Yasushi <uch@nop.or.jp>.

1998-04-05  Philip Blundell  <Philip.Blundell@pobox.com>

	* manual/socket.texi (Socket Addresses): Fix a typo.
	(Interface Naming): New section.

1998-04-05 23:29  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* configure.in: Check for CC using $ac_tool_prefix, to handle
	cross-compilation.  Use AC_CHECK_TOOL to find MiG.
	* config.make.in: Add MIG to be substituted.
	* mach/Machrules: Don't define MIG variable.

	Patch by Gordon Matzigkeit <gord@profitpress.com>.

1998-04-05  Mark Kettenis  <kettenis@phys.uva.nl>

	* elf/dl-load.c (decompose_rpath): Use local_strdup instead of
	strdupa to copy rpath.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less confusing.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less
	confusing.

1998-04-05  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* configure.in: Fix gcc version check.

	* aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less
	confusing.

1998-03-31  Mark Kettenis  <kettenis@phys.uva.nl>

	* sysdeps/unix/bsd/unlockpt.c (unlockpt): Call __ptsname_r instead
	of ptsname_r.

	* stdlib/stdlib.h: Change prototype of ptsname_r to make it more
	like ttyname_r.
	* sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Likewise.
	* sysdeps/generic/ptsname.c (__ptsname_r): Likewise.
	* sysdeps/unix/grantpt.c (grantpt): Change check of return value
	of __ptsname_r accordingly.
	* login/openpty.c (openpty): Likewise.

1998-06-04 18:47  H.J. Lu  <hjl@gnu.org>

	* libio/fileops.c (_IO_file_xsgetn): Adjust pointers.

1998-04-06 13:58  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makeconfig (libtypes): Redo H.J. Lu's change of 1998-03-27.

	* Makerules: Readd missing rule for $(objpfx)stamp.oS.

1998-04-06  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/ypclnt.c: Don't give YPERR_RPC back, use the do_ypcall
	return value for better error checking.

1 files changed, 19 insertions, 25 deletions

diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index 9d9bf0e0b2..de66b5cb21 100644
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -117,52 +117,46 @@ if_nameindex (void)
 #else
   int fd = opensock ();
   struct ifconf ifc;
-  unsigned int rq_ifs = 4, nifs, i;
+  unsigned int nifs, i;
   int rq_len;
   struct if_nameindex *idx = NULL;
-#ifdef SIOCGIFCOUNT
-  static int siocgifcount_works = 1;
-#endif
+  static int new_siocgifconf = 1;
+#define RQ_IFS	4
 
   if (fd < 0)
     return NULL;
 
-#ifdef SIOCGIFCOUNT
-  /* We may be able to find out how many interfaces really exist, rather
-     than guessing.  This ioctl is not present in kernels before version
-     2.1.50.  */
-  if (siocgifcount_works)
-    {
-      int serrno = errno;
+  ifc.ifc_buf = NULL;
 
-      if (ioctl (fd, SIOCGIFCOUNT, &nifs) < 0)
+  /* We may be able to get the needed buffer size directly, rather than
+     guessing.  */
+  if (new_siocgifconf)
+    {
+      ifc.ifc_buf = NULL;
+      ifc.ifc_len = 0;
+      if (ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0)
 	{
-	  if (errno == EINVAL)
-	    {
-	      siocgifcount_works = 0;
-	      __set_errno (serrno);
-	    }
+	  new_siocgifconf = 0;
+	  rq_len = RQ_IFS * sizeof (struct ifreq);
 	}
       else
-	rq_ifs = nifs + 1;
+	rq_len = ifc.ifc_len;
     }
-#endif
-
-  ifc.ifc_buf = NULL;
+  else
+    rq_len = RQ_IFS * sizeof (struct ifreq);
 
   /* Read all the interfaces out of the kernel.  */
   do
     {
-      rq_len = ifc.ifc_len = rq_ifs * sizeof (struct ifreq);
-      ifc.ifc_buf = alloca (ifc.ifc_len);
+      ifc.ifc_buf = alloca (ifc.ifc_len = rq_len);
       if ((ifc.ifc_buf == NULL) || (ioctl (fd, SIOCGIFCONF, &ifc) < 0))
 	{
 	  close (fd);
 	  return NULL;
 	}
-      rq_ifs *= 2;
+      rq_len *= 2;
     }
-  while (ifc.ifc_len == rq_len);
+  while (ifc.ifc_len == rq_len && new_siocgifconf == 0);
 
   nifs = ifc.ifc_len / sizeof (struct ifreq);