update from main archive 960107cvs/libc-970113cvs/libc-970112cvs/libc-970111cvs/libc-970110cvs/libc-970109cvs/libc-970108

Tue Jan  7 09:48:15 1997  Andreas Jaeger  <aj@arthur.pfalz.de>

	* signal/sigempty.c (sigemptyset): Correct typo: Empty set should
	have all bits zero.

Tue Jan  7 23:44:39 1997  Ulrich Drepper  <drepper@cygnus.com>

	* inet/gethstbynm.c: Include additional headers for additional
	code in nss/digits_dots.c.
	* inet/gethstbynm_r.c: Likewise.
	* inet/gethstbynm2.c: Likewise.
	* inet/gethstbynm2_r.c: Likewise.
	* nss/digits_dots.c: New file.  Handle dotted pair notation for
	gethstbynm functions.
	* nss/getXXbyYY.c: Include digits_dots.c to get extra code for
	handling dotted pair notation.
	* nss/getXXbyYY_r.c: Likewise.
	Patches by HJ Lu.

	* resolv/nss_dns/dns-host.c: Don't handle dotted pair notation.

	* io/getwd.c: Optimized a bit.

	* signal/signal.h: Always declare __sysv_signal.

	* sysdeps/generic/setenv.c: Add some portability code.

	* sysdeps/unix/sysv/fcntlbits.h: Update copyright.

	* sysdeps/unix/sysv/linux/fcntlbits.h: Add definitions from kernel
	to avoid using kernel headers.
	* sysdeps/unix/sysv/linux/alpha/fcntlbits.h: New file.  Alpha
	specific version.

	* sysdeps/unix/sysv/linux/syscalls.list: Add sys_mknod.  Don't
	mark sigreturn as EXTRA.

	* sysdeps/unix/sysv/linux/ustat.c: Declare __syscall_ustat.
	* sysdeps/unix/sysv/linux/alpha/ustat.c: New file.  Alpha version.

Tue Jan  7 09:48:15 1997  Andreas Jaeger  <aj@arthur.pfalz.de>

	* io/fts.c (fts_alloc): Add const to second parameter of function.

	* io/Makefile: Change CFLAGS-fts.c and define CFLAGS-ftw.c to
	prevent warnings.

	* signal/sigfillset.c: Include <string.h> for memset declaration.

Tue Jan  7 11:14:32 1997  Miles Bader  <miles@gnu.ai.mit.edu>

	* sysdeps/generic/setenv.c: Fix portability problems.

Tue Jan  7 02:10:17 1997  Ulrich Drepper  <drepper@cygnus.com>

	* posix/getopt.c (_getopt_internal): Don't reset __getopt_initialized
	after the last option was seen.

Mon Jan  6 15:30:21 1997  Ulrich Drepper  <drepper@cygnus.com>

	* elf/elf.h (DT_EXTRANUM): Set to 3 since 0x7ffffffd is used.

3 files changed, 7 insertions, 8 deletions

diff --git a/io/Makefile b/io/Makefile
index ca17832220..f1efd21e87 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+# Copyright (C) 1992, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -55,4 +55,5 @@ tests		:= test-utime
 
 include ../Rules
 
-CFLAGS-fts.c = -Wno-write-strings
+CFLAGS-fts.c = -Wno-uninitialized
+CFLAGS-ftw.c = -Wno-uninitialized
diff --git a/io/fts.c b/io/fts.c
index ef0c7a3137..f283c17450 100644
--- a/io/fts.c
+++ b/io/fts.c
@@ -57,7 +57,7 @@ static char sccsid[] = "@(#)fts.c	8.2 (Berkeley) 1/2/94";
 #endif
 
 
-static FTSENT	*fts_alloc __P((FTS *, char *, int));
+static FTSENT	*fts_alloc __P((FTS *, const char *, int));
 static FTSENT	*fts_build __P((FTS *, int));
 static void	 fts_lfree __P((FTSENT *));
 static void	 fts_load __P((FTS *, FTSENT *));
@@ -886,7 +886,7 @@ fts_sort(sp, head, nitems)
 static FTSENT *
 fts_alloc(sp, name, namelen)
 	FTS *sp;
-	char *name;
+	const char *name;
 	register int namelen;
 {
 	register FTSENT *p;
diff --git a/io/getwd.c b/io/getwd.c
index 506aac8472..ae1724545e 100644
--- a/io/getwd.c
+++ b/io/getwd.c
@@ -1,5 +1,5 @@
 /* Obsolete function to get current working directory.
-   Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -49,9 +49,7 @@ getwd (buf)
   /* This is completely unsafe.  Nobody can say how big the user
      provided buffer is.  Perhaps the application and the libc
      disagree about the value of PATH_MAX.  */
-  strcpy (buf, tmpbuf);
-
-  return buf;
+  return strcpy (buf, tmpbuf);
 }
 
 link_warning (getwd,