update from main archive 961207cvs/libc-961208

Sun Dec  8 06:56:49 1996  Ulrich Drepper  <drepper@cygnus.com>

	* io/getwd.c: Use PATH_MAX not LOCAL_PATH_MAX.  Fix typo in
	comment.
	* stdlib/canonicalize.c: Correct bugs in last change.
	Patch by HJ Lu.

	* libio/Makefile (routines): Remove ioprims.
	(aux): Remove cleanup.
	Add IO_DEBUG option for .o files.
	* libio/cleanups.c: Removed.
	* libio/ioprims.c: Removed.
	* libio/filedoalloc.c: More updates from libg++-2.8b5.
	* libio/fileops.c: Likewise.
	* libio/genops.c: Likewise.
	* libio/iolibio.h: Likewise.
	* libio/iopopen.c: Likewise.
	* libio/iovsprintf.c: Likewise.
	* libio/iovsscanf.c: Likewise.
	* libio/libio.h: Likewise.
	* libio/libioP.h: Likewise.
	* libio/memstream.c: Likewise.
	* libio/strfile.h: Likewise.
	* libio/vasprintf.c: Likewise.
	* libio/vsnprintf.c: Likewise.

	* libio/stdio.h: Define P_tmpdir only is __USE_SVID.

	* manual/arith.texi: Change references to ANSI C to ISO C.
	* manual/conf.texi: Likewise.
	* manual/creature.texi: Likewise.
	* manual/ctype.texi: Likewise.
	* manual/errno.texi: Likewise.
	* manual/filesys.texi: Likewise.
	* manual/intro.texi. Likewise.
	* manual/io.texi: Likewise.
	* manual/lang.texi: Likewise.
	* manual/libc.texinfo: Likewise.
	* manual/locale.texi: Likewise.
	* manual/maint.texi: Likewise.
	* manual/mbyte.texi: Likewise.
	* manual/memory.texi: Likewise.
	* manual/process.texi: Likewise.
	* manual/process.texi: Likewise.
	* manual/search.texi: Likewise.
	* manual/setjmp.texi: Likewise.
	* manual/signal.texi: Likewise.
	* manual/startup.texi: Likewise.
	* manual/stdio.texi: Likewise.
	* manual/string.texi: Likewise.
	* manual/time.texi: Likewise.

	* manual/locale.texi: Remove description of LC_RESPONSE and add
	LC_MESSAGES.

	* Makefile (subdirs): Change malloc in $(malloc).
	* config.make.in: Add variable malloc which is initialized from
	@malloc@.
	* configure.in: Add new option --enable-new-malloc to use new
	malloc.  This is the default on Linux.
	* sysdeps/unix/sysv/linux/configure.in: Define malloc to new-malloc
	by default.
	* new-malloc/Makefile: New file.  Improved malloc implementation.
	* new-malloc/malloc.c: Likewise.
	* new-malloc/malloc.h: Likewise.
	* new-malloc/mallocbug.c: Likewise.
	* new-malloc/obstack.c: Likewise.
	* new-malloc/obstack.h: Likewise.
	* new-malloc/thread-m.h: Likewise.
	* time/Makefile: Compile ap.c with NO_MCHECK flag for now.
	* time/ap.c: Don't call mcheck if NO_MCHECK is defined.

	* resolv/Makefile: Add rule to rebuiild libresolv.so when libc.so
	changed.

	* stdio/feof.c: Update copyright.
	* stdio/stdio.h: Add field for lock to FILE structure.
	Add cast to *MAGIC constants to prevent warnings.

	* stdio-common/bug7.c: Correct test.  Stream must not be closed
	twice.

	* stdlib/Makefile (routines): Add secure-getenv.
	* stdlib/secure-getenv.c: New file.  __secure_getenv function
	moved to here from sysdeps/generic/getenv.c.  Otherwise an
	application cannot replace the getenv function in the libc.
	* sysdeps/generic/getenv.c: Remove __secure_getenv function.
	* sysdeps/stub/getenv.c: Remove __secure_getenv alias.

	* sysdeps/mach/libc-lock.h: Define__libc_mutex_lock to __mutex_lock.

	* sysdeps/posix/fdopen.c: Update copyright.  Don't use EXFUN.

	* time/test-tz.c: Comment fifth test out.  PROBLEM.

	* time/tzset.c: De-ANSI-declfy.
	(__tzset): Don't increment pointer tz when no DST information is
	given.

Sat Dec  7 23:47:54 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/libc-lock.h [_LIBC]: Add definition of
	__libc_mutex_lock.
	Patch by Thomas Bushnell.

	* sysdeps/unix/sysv/linux/timebits.h: Load <asm/param.h> only
	if __USE_MISC.

	* sysdeps/unix/sysv/linux/Dist: Add llseek.c.

Sat Dec  7 12:18:56 1996  Ulrich Drepper  <drepper@cygnus.com>

	* time/strftime (%c format): Remove %Z from default string.
	Reported by Paul Eggert

	* io/getwd.c: Don't apply getcwd on user supplied buffer.

8 files changed, 85 insertions, 60 deletions

diff --git a/sysdeps/generic/getenv.c b/sysdeps/generic/getenv.c
index daf2927..990ddfd 100644
--- a/sysdeps/generic/getenv.c
+++ b/sysdeps/generic/getenv.c
@@ -1,20 +1,20 @@
 /* Copyright (C) 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
 #include <stdlib.h>
@@ -42,14 +42,3 @@ getenv (name)
 
   return NULL;
 }
-
-
-/* Some programs and especially the libc itself have to be careful
-   what values to accept from the environment.  This special version
-   checks for SUID or SGID first before doing any work.  */
-char *
-__secure_getenv (name)
-     const char *name;
-{
-  return __libc_enable_secure ? NULL : getenv (name);
-}
diff --git a/sysdeps/mach/libc-lock.h b/sysdeps/mach/libc-lock.h
index 4954cc2..23f6ed4 100644
--- a/sysdeps/mach/libc-lock.h
+++ b/sysdeps/mach/libc-lock.h
@@ -70,4 +70,10 @@ typedef struct __libc_lock_opaque__ __libc_lock_t;
 }
 
 
+#ifdef _LIBC
+/* We need portable names for some functions.  E.g., when they are
+   used as argument to __libc_cleanup_region_start.  */
+#define __libc_mutex_unlock __mutex_unlock
+#endif
+
 #endif	/* libc-lock.h */
diff --git a/sysdeps/posix/fdopen.c b/sysdeps/posix/fdopen.c
index fb2bda8..4e7d305 100644
--- a/sysdeps/posix/fdopen.c
+++ b/sysdeps/posix/fdopen.c
@@ -1,27 +1,27 @@
 /* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
 
 /* Defined in fopen.c.  */
-extern int EXFUN(__getmode, (CONST char *mode, __io_mode *mptr));
+extern int __getmode (const char *mode, __io_mode *mptr);
 
 /* Open a new stream on a given system file descriptor.  */
 FILE *
diff --git a/sysdeps/stub/getenv.c b/sysdeps/stub/getenv.c
index f12964e..ec378f6 100644
--- a/sysdeps/stub/getenv.c
+++ b/sysdeps/stub/getenv.c
@@ -1,20 +1,20 @@
 /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+   This file is part of the GNU C Library.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <errno.h>
 #include <stdlib.h>
@@ -27,7 +27,6 @@ getenv (name)
   __set_errno (ENOSYS);
   return NULL;
 }
-strong_alias (getenv, __secure_getenv)
 
 
 stub_warning (getenv)
diff --git a/sysdeps/unix/sysv/linux/alpha/Dist b/sysdeps/unix/sysv/linux/alpha/Dist
index d79f1f2..d898d04 100644
--- a/sysdeps/unix/sysv/linux/alpha/Dist
+++ b/sysdeps/unix/sysv/linux/alpha/Dist
@@ -4,4 +4,3 @@ ioperm.c
 init-first.h
 clone.S
 sys/io.h
-llseek.S
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 867d4fb..6f3d181 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -1,16 +1,43 @@
-; then
+ # Local configure fragment for sysdeps/unix/sysv/linux.
+
+# On Linux, the default is to use libio instead of stdio.
+test $stdio = default && stdio=libio
+
+# We also use the new malloc by default.
+test $malloc = default && malloc=new-malloc
+
+# Don't bother trying to generate any glue code to be compatible with the
+# existing system library, because we are the only system library.
+inhibit_glue=yes
+
+echo $ac_n "checking installed Linux kernel header files""... $ac_c" 1>&6
+echo "configure:15: checking installed Linux kernel header files" >&5
+if eval "test \"`echo '$''{'libc_cv_linux2010'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 20 "configure"
+#include "confdefs.h"
+#include <linux/version.h>
+int main() {
+#if LINUX_VERSION_CODE <  ( *65536+ 0 *256+ 10) /* .0.10 */
+eat flaming death
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:29: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_linux2010='2.0.10 or later'
 else
-  echo "configure: failed program was:" >&AC_FD_CC
-  cat conftest.$ac_ext >&AC_FD_CC
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
   rm -rf conftest*
   libc_cv_linux2010='TOO OLD!'
 fi
 rm -f conftest*
 fi
 
-echo "$ac_t""$libc_cv_linux2010" 1>&AC_FD_MSG
+echo "$ac_t""$libc_cv_linux2010" 1>&6
 if test "$libc_cv_linux2010" != '2.0.10 or later'; then
   { echo "configure: error: GNU libc requires kernel header files from
 Linux 2.0.10 or later to be installed before configuring.
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
index b6474a9..fe499af 100644
--- a/sysdeps/unix/sysv/linux/configure.in
+++ b/sysdeps/unix/sysv/linux/configure.in
@@ -5,6 +5,9 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # On Linux, the default is to use libio instead of stdio.
 test $stdio = default && stdio=libio
 
+# We also use the new malloc by default.
+test $malloc = default && malloc=new-malloc
+
 # Don't bother trying to generate any glue code to be compatible with the
 # existing system library, because we are the only system library.
 inhibit_glue=yes
diff --git a/sysdeps/unix/sysv/linux/timebits.h b/sysdeps/unix/sysv/linux/timebits.h
index 8aed9e9..c31f481 100644
--- a/sysdeps/unix/sysv/linux/timebits.h
+++ b/sysdeps/unix/sysv/linux/timebits.h
@@ -33,9 +33,11 @@ struct timeval
 
 
 #ifndef _TIMEBITS_H
-#define	_TIMEBITS_H	1
+# define _TIMEBITS_H	1
 
-#include <asm/param.h>
-#define CLOCKS_PER_SEC HZ	/* XXX names not kosher */
+# ifdef __USE_MISC
+#  include <asm/param.h>
+#  define CLOCKS_PER_SEC HZ	/* XXX names not kosher */
+# endif
 
 #endif	/* timebits.h */