update from main archive 961105 cvs/libc-961106

Wed Nov  6 04:30:26 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add weak alias llseek for
	_llseek syscall.  Reported by Andy Sewell <puck@pookhill.demon.co.uk>.

	* string/argz.h: Don't protect by __USE_GNU.

Tue Nov  5 23:38:28 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Lots of files: Update and reformat copyright.

	* Makefile (headers): Add xopen_lim.h.

	* catgets/nl_types.h: Move __BEGIN_DECLS before definition of nl_catd.

	* grp/grp.h: Define setgrent, getgrent, endgrent, and getgrent_r
	if __USE_XOPEN_EXTENDED is defined.
	* pwd/pwd.h: Define setpwent, getpwent, endpwent, and getpwent_r
	if __USE_XOPEN_EXTENDED is defined.

	* io/Makefile (routines): Add lchown.

	* io/sys/poll.h: Add definition of POLLWRNORM.

	* io/sys/stat.h: Declare lstat, fchmod, mknod when
	__USE_XOPEN_EXTENDED is defined.

	* libio/Makefile (routines): Add obprintf.
	* libio/obprintf.c: New file.
	* libio/iolibio.h: Add prototypes for _IO_obstack_vprintf and
	_IO_obstack_printf.
	* libio/libio.h: Fix typo.
	* libio/stdio.h: Declare tempnam if __USE_XOPEN_EXTENDED is defined.
	Add prototypes for obstack_vprintf and obstack_printf.

	* manual/creature.texi: Describe _XOPEN_SOURCE macro.
	* manual/intro.texi: Add reference to NSS chapter.
	* manual/libc.texinfo: Update UPDATED.
	Comment out `@printindex cp'.  It works again.
	* manual/memory.texi: Add description for obstack_ptr_grow,
	obstack_int_grow, obstack_ptr_grow_fast, and obstack_int_grow_fast.
	* manual/nss.texi: Add a few @cindex entries and change NSS_STATUS_*
	index entries to @vindex.
	* manual/users.texi: Correct @cindex entry for Netgroup.

	* math/mathcalls.h: Use __USE_XOPEN and __USE_XOPEN_EXTENDED to
	make declarations visible for X/Open sources.

	* misc/search.h: Declare insque/remque only is __USE_SVID or
	__USE_XOPEN_EXTENDED is defined.

	* misc/sys/uio.h (readv, writev): Change return value from int to
	ssize_t.

	* posix/Makefile (headers): Add re_comp.h.
	* posix/re_comp.h: New file.  XPG interface to regex functions.

	* posix/getconf.c: Add all names from XPG4.2.
	* posix/posix1_lim.h: Increase minimum values for _POSIX_CHILD_MAX
	and _POSIX_OPEN_MAX to minimums from XPG4.2.
	* sysdeps/generic/confname.h: Add all _SC_* names from XPG4.2.
	* sysdeps/posix/sysconf.c: Handle new _SC_* values.
	* sysdeps/stub/sysconf.c: Likewise.

	* posix/unistd.h: Add declaration of ualarm and lchown.  Declare
	usleep, fchown, fchdir, nice, getpgid, setsid, getsid, setreuid,
	setregid, vfork, ttyslot, symlink, readlink, gethostid, truncate,
	ftruncate, getdtablesize, brk, sbrk, lockf when
	__USE_XOPEN_EXTENDED is defined.

	* posix/sys/wait.h: Declare wait3 if __USE_XOPEN_EXTENDED is defined.

	* shadow/shadow.h: Define SHADOW using _PATH_SHADOW.
	* sysdeps/generic/paths.h: Define _PATH_SHADOW.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* signal/signal.h: Declare killpg, sigstack and sigaltstack when
	__USE_XOPEN_EXTENDED is defined.

	* stdio/stdio.h: Declare tempnam when __USE_XOPEN is defined.

	* stdlib/stdlib.h: Make rand48 functions available when __USE_XOPEN
	is defined.
	Likewise for valloc, putenv, realpath, [efg]cvt*, and getsubopt
	functions.

	* string/string.h: Make memccpy, strdup, bcmp, bcopy, bzero, index,
	and rindex available when __USE_XOPEN_EXTENDED is defined.

	* sysdeps/mach/getpagesize.c: De-ANSI-fy.  Change return type to int.
	* sysdeps/posix/getpagesize.c: Likewise.
	* sysdeps/stub/getpagesize.c: Likewise.
	* sysdeps/unix/getpagesize.c: Likewise.

	* time/africa: Update from tzdata1996l.
	* time/asia: Likewise.
	* time/australia: Likewise.
	* time/europe: Likewise.
	* time/northamerica: Likewise.
	* time/pacificnew: Likewise.
	* time/southamerica: Likewise.
	* time/tzfile.h: Update from tzcode1996m.

	* time/time.h: Declare strptime if __USE_XOPEN.
	Declare daylight and timezone also if __USE_XOPEN.

	* time/sys/time.h: Remove declaration of ualarm.

	* wctype/wctype.h: Just reference ISO C standard.

Tue Nov  5 01:26:32 1996  Richard Henderson  <rth@tamu.edu>

	* crypt/Makefile: Add crypt routines to libc as well iff
	$(crypt-in-libc) is set.  Do this for temporary binary compatibility
	on existing Linux/Alpha installations.

	* stdlib/div.c, sysdeps/generic/div.c: Move file to .../generic/.
	* stdlib/ldiv.c, sysdeps/generic/ldiv.c: Likewise.
	* stdlib/lldiv.c, sysdeps/generic/lldiv.c: Likewise.
	* sysdeps/alpha/Makefile (divrem): Add divlu, dviqu, remlu, and
	remqu.
	* sysdeps/alpha/div.S: New file.
	* sysdeps/alpha/ldiv.S: New file.
	* sysdeps/alpha/lldiv.S: New file.
	* sysdeps/alpha/divrem.h: Merge signed and unsigned division.
	Take pointers from Linus and tighten the inner loops a bit.
	* sysdeps/alpha/divl.S: Change defines for merged routines.
	* sysdeps/alpha/divq.S: Likewise.
	* sysdeps/alpha/reml.S: Likewise.
	* sysdeps/alpha/remq.S: Likewise.
	* sysdeps/alpha/divlu.S: Remove file.
	* sysdeps/alpha/divqu.S: Likewise.
	* sysdeps/alpha/remlu.S: Likewise.
	* sysdeps/alpha/remqu.S: Likewise.

	* sysdeps/alpha/bsd-_setjmp.S: If PROF, call _mcount.
	* sysdeps/alpha/bsd-setjmp.S: Likewise.
	* sysdeps/alpha/bzero.S: Likewise.
	* sysdeps/alpha/ffs.S: Likewise.
	* sysdeps/alpha/htonl.S: Likewise.
	* sysdeps/alpha/htons.S: Likewise.
	* sysdeps/alpha/memchr.S: Likewise.
	* sysdeps/alpha/memset.S: Likewise.
	* sysdeps/alpha/s_copysign.S: Likewise.
	* sysdeps/alpha/s_fabs.S: Likewise.
	* sysdeps/alpha/setjmp.S: Likewise.
	* sysdeps/alpha/stpcpy.S: Likewise.
	* sysdeps/alpha/stpncpy.S: Likewise.
	* sysdeps/alpha/strcat.S: Likewise.
	* sysdeps/alpha/strchr.S: Likewise.
	* sysdeps/alpha/strcpy.S: Likewise.
	* sysdeps/alpha/strlen.S: Likewise.
	* sysdeps/alpha/strncat.S: Likewise.
	* sysdeps/alpha/strncpy.S: Likewise.
	* sysdeps/alpha/strrchr.S: Likewise.
	* sysdeps/alpha/udiv_qrnnd.S: Likewise.  Fix private labels.
	Convert two small jumps to use conditional moves.
	* sysdeps/unix/alpha/sysdep.h: Compress all __STDC__ nastiness.
	(PSEUDO): If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/brk.S: If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/llseek.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise.

	* sysdeps/alpha/memcpy.S: New file.  Odd layout because it should
	eventually contain memmove as well.
	* sysdeps/alpha/strcmp.S: New file.
	* sysdeps/alpha/strncmp.S: New file.
	* sysdeps/alpha/w_sqrt.S: New file.

Tue Nov  5 18:06:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/ttyname_r.c: Use `size_t' for len variable.

Tue Nov  5 12:09:29 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdep/generic/sysdep.h: Define END only if not yet defined.
	* sysdep/unix/sysdep.h: Define PSEUDO_END only if not yet defined.
	Reported by Thomas Bushnell, n/BSG.

Mon Nov  4 22:46:53 1996  Ulrich Drepper  <drepper@cygnus.com>

	* manual/users.texi (Netgroup Data): Remove { } around @cindex.

Mon Nov  4 19:07:05 1996  Ulrich Drepper  <drepper@cygnus.com>

	* malloc/calloc.c: Check for overflow before trying to allocate
	memory.  Proposed by Neil Matthews <nm@adv.sbc.sony.co.jp>.

Fri Nov  1 18:18:32 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/llio.texi (Operating Modes): Add missing arguments to
	@deftypevr in O_NONBLOCK description.

	* manual/time.texi (Time Zone Functions): Enclose type name in
	braces in description of tzname.  FIXME: this does not yet work
	correctly in info.

Sun Nov  3 17:29:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* features.h: Add X/Open macros.
	* posix/unistd.h: Define X/Open macros.
	* sysdeps/generic/confname.h: Add _SC_XOPEN_XCU_VERSION,
	_SC_XOPEN_UNIX, _SC_XOPEN_CRYPT, _SC_XOPEN_ENH_I18N,
	_SC_XOPEN_SHM, _SC_2_CHAR_TERM, _SC_2_C_VERSION, and _SC_2_UPE.
	* sysdeps/posix/sysconf.c: Handle new constants.
	* sysdeps/stub/sysconf.c: Likewise.
	* sysdeps/unix/sysv/linux/posix_opt.h: Add definition of _XOPEN_SHM.

	* catgets/catgets.c (catopen): Set errno to ENOMEM when
	we run out of memory.
	(catgets): Set errno to EBADF when catalog handle is invalid.
	Set errno to ENOMSG when translation is not available.
	(catclose): Set errno to EBADF when catalog handle is invalid.

	* ctype/ctype.h: Declare isascii and toascii when __USE_XOPEN.
	Likewise for _toupper and _tolower.

	* manual/arith.texi: Document strtoq, strtoll, strtouq, strtoull,
	strtof, and strtold.
	* manual/math.texi: Document HUGE_VALf and HUGE_VALl.
	* manual/stdio.h: Document ' flag for numeric formats of scanf.
	* manual/users.texi: Document that cuserid shouldn't be used.

	* misc/Makefile (routines): Add dirname.
	(headers): Add libgen.h.
	(tests): Add tst-dirname.
	* misc/dirname.c: New file.
	* misc/libgen.h: New file.
	* misc/tst-dirname.c: New file.

	* misc/search.h: Parameter of hcreate must be of type size_t.
	* misc/hsearch.c: Likewise.
	* misc/hsearch_r.c: Likewise for hcreate_r.
	* misc/search.h: Parameters of insque and remque must be `void *'.
	* misc/insremque.c: Likewise.

	* posix/unistd.h: Move declarations of mktemp and mkstemp to...
	* stdlib/stdlib.h: ...here.
	* posix/unistd.h [__USE_XOPEN]: Add prototypes for crypt, setkey,
	encrypt, and swab.

	* stdio-common/printf-parse.h (struct printf_spec): Add pa_wchar
	and pa_wstring.
	(parse_one_spec): Remove Linux compatibility code.
	Recognize %C and %S formats.
	* stdio-common/printf.h: Add PA_WCHAR and PA_WSTRING.
	* stdio-common/vfprintf.c: Add implementation of %C and %S format.
	* stdio-common/vfscanf.c: Likewise for scanf.

	* stdlib/l64a.c: Return value for 0 must be the empty string.
	* stdlib/stdlib.h: Declare reentrant function from rand49 family
	only if __USE_REENTRANT.
	Declare rand48 functions also if __USE_XOPEN.

	* stdlib/strtol.c: Return 0 and set errno to EINVAL when BASE is
	not a legal value.
	Return 0 and set errno to EINVAL when strou* sees negativ number.
	* stdlib/tst-strtol.c: De-ANSI-fy.
	Change expected results for test of unsigned function and negative
	input.

	* string/stratcliff.c: Prevent warnings.
	* string.h: Move declaration of swab to <unistd.h>.
	* string/swab.c: De-ANSI-fy.

	* sysdeps/posix/cuserid.c: Implement using getpwuid_r.
	* sysdeps/posix/mkstemp.c: Include <stdlib.h> for prototype.
	* sysdeps/posix/mktemp.c: Likewise.
	* sysdeps/stub/mkstemp.c: Likewise.
	* sysdeps/stub/mktemp.c: Likewise.

	* sysvipc/sys/ipc.h: Prototypes of ftok have to be of types `const
 	char *' and `int'.
	* sysvipc/ftok.c: Likewise.  Make sure only lower 8 bits of
 	PROJ_ID are used.

Sun Nov  3 03:21:28 1996  Heiko Schroeder  <Heiko.Schroeder@post.rwth-aachen.de>

	* locale/programs/ld-numeric.c (numeric_output): Compute idx[0]
	correctly.

Sat Nov  2 17:44:32 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/posix/cuserid.c: Use reentrant functions.
	* manual/users.texi: Tell that cuserid is marked to be withdrawn in
	XPG4.2.

Sat Nov  2 14:26:37 1996  Ulrich Drepper  <drepper@cygnus.com>

	Linus said he will make sure no system call will return a value
	in -1 ... -4095 as a valid result.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Correct test for error.
	* sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.

Sat Nov  2 16:54:49 1996  NIIBE Yutaka  <gniibe@mri.co.jp>

	* sysdeps/stub/lockfile.c [!USE_IN_LIBIO]: Define weak alias for
	__funlockfile, not a circular alias.
	Define __IO_ftrylockfile if USE_IN_LIBIO and __ftrylockfile if not,
	not vice versa.

	* sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Make
	it a weak symbol.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Likewise.


	Likewise.

	* crypt/Makefile (rpath-link): Extend search path to current directory.

1 files changed, 63 insertions, 41 deletions

diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 50b4f02580..c2324d09a8 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1,20 +1,20 @@
 /* Copyright (C) 1991, 92, 93, 94, 95, 96 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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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 <ctype.h>
 #include <limits.h>
@@ -222,11 +222,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
     /* '4' */  8, /* '5' */  8, /* '6' */  8, /* '7' */  8,
     /* '8' */  8, /* '9' */  8,            0,            0,
 	       0,            0,            0,            0,
-	       0,            0,            0,            0,
+	       0,            0,            0, /* 'C' */ 25,
 	       0, /* 'E' */ 19,            0, /* 'G' */ 19,
 	       0,            0,            0,            0,
     /* 'L' */ 12,            0,            0,            0,
-	       0,            0,            0,            0,
+	       0,            0,            0, /* 'S' */ 21,
 	       0,            0,            0,            0,
     /* 'X' */ 18,            0, /* 'Z' */ 13,            0,
 	       0,            0,            0,            0,
@@ -254,7 +254,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 
 #define STEP0_3_TABLE							      \
     /* Step 0: at the beginning.  */					      \
-    static const void *step0_jumps[25] =				      \
+    static const void *step0_jumps[26] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (flag_space),		/* for ' ' */				      \
@@ -277,13 +277,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_hexa),		/* for 'X', 'x' */			      \
       REF (form_float),		/* for 'E', 'e', 'f', 'G', 'g' */	      \
       REF (form_character),	/* for 'c' */				      \
-      REF (form_string),	/* for 's' */				      \
+      REF (form_string),	/* for 's', 'S' */			      \
       REF (form_pointer),	/* for 'p' */				      \
       REF (form_number),	/* for 'n' */				      \
-      REF (form_strerror)	/* for 'm' */				      \
+      REF (form_strerror),	/* for 'm' */				      \
+      REF (form_wcharacter)	/* for 'C' */				      \
     };									      \
     /* Step 1: after processing width.  */				      \
-    static const void *step1_jumps[25] =				      \
+    static const void *step1_jumps[26] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -306,13 +307,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_hexa),		/* for 'X', 'x' */			      \
       REF (form_float),		/* for 'E', 'e', 'f', 'G', 'g' */	      \
       REF (form_character),	/* for 'c' */				      \
-      REF (form_string),	/* for 's' */				      \
+      REF (form_string),	/* for 's', 'S' */			      \
       REF (form_pointer),	/* for 'p' */				      \
       REF (form_number),	/* for 'n' */				      \
-      REF (form_strerror)	/* for 'm' */				      \
+      REF (form_strerror),	/* for 'm' */				      \
+      REF (form_wcharacter)	/* for 'C' */				      \
     };									      \
     /* Step 2: after processing precision.  */				      \
-    static const void *step2_jumps[25] =				      \
+    static const void *step2_jumps[26] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -335,13 +337,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_hexa),		/* for 'X', 'x' */			      \
       REF (form_float),		/* for 'E', 'e', 'f', 'G', 'g' */	      \
       REF (form_character),	/* for 'c' */				      \
-      REF (form_string),	/* for 's' */				      \
+      REF (form_string),	/* for 's', 'S' */			      \
       REF (form_pointer),	/* for 'p' */				      \
       REF (form_number),	/* for 'n' */				      \
-      REF (form_strerror)	/* for 'm' */				      \
+      REF (form_strerror),	/* for 'm' */				      \
+      REF (form_wcharacter)	/* for 'C' */				      \
     };									      \
     /* Step 3: after processing first 'l' modifier.  */			      \
-    static const void *step3_jumps[25] =				      \
+    static const void *step3_jumps[26] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -364,15 +367,16 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_hexa),		/* for 'X', 'x' */			      \
       REF (form_float),		/* for 'E', 'e', 'f', 'G', 'g' */	      \
       REF (form_character),	/* for 'c' */				      \
-      REF (form_string),	/* for 's' */				      \
+      REF (form_string),	/* for 's', 'S' */			      \
       REF (form_pointer),	/* for 'p' */				      \
       REF (form_number),	/* for 'n' */				      \
-      REF (form_strerror)	/* for 'm' */				      \
+      REF (form_strerror),	/* for 'm' */				      \
+      REF (form_wcharacter)	/* for 'C' */				      \
     }
 
 #define STEP4_TABLE							      \
     /* Step 4: processing format specifier.  */				      \
-    static const void *step4_jumps[25] =				      \
+    static const void *step4_jumps[26] =				      \
     {									      \
       REF (form_unknown),						      \
       REF (form_unknown),	/* for ' ' */				      \
@@ -395,10 +399,11 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       REF (form_hexa),		/* for 'X', 'x' */			      \
       REF (form_float),		/* for 'E', 'e', 'f', 'G', 'g' */	      \
       REF (form_character),	/* for 'c' */				      \
-      REF (form_string),	/* for 's' */				      \
+      REF (form_string),	/* for 's', 'S' */			      \
       REF (form_pointer),	/* for 'p' */				      \
       REF (form_number),	/* for 'n' */				      \
-      REF (form_strerror)	/* for 'm' */				      \
+      REF (form_strerror),	/* for 'm' */				      \
+      REF (form_wcharacter)	/* for 'C' */				      \
     }
 
 
@@ -683,17 +688,38 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 									      \
     LABEL (form_character):						      \
       /* Character.  */							      \
+      if (is_long)							      \
+	goto LABEL (form_wcharacter);					      \
       --width;	/* Account for the character itself.  */		      \
       if (!left)							      \
 	PAD (' ');							      \
       if (fspec == NULL)						      \
-	outchar ((unsigned char) va_arg (ap, int));	/* Promoted.  */      \
+	outchar ((unsigned char) va_arg (ap, int)); /* Promoted.  */	      \
       else								      \
 	outchar ((unsigned char) args_value[fspec->data_arg].pa_char);	      \
       if (left)								      \
 	PAD (' ');							      \
       break;								      \
 									      \
+    LABEL (form_wcharacter):						      \
+      {									      \
+	/* Wide character.  */						      \
+	char buf[MB_CUR_MAX];						      \
+	mbstate_t mbstate;						      \
+	size_t len;							      \
+									      \
+	len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wint_t)	      \
+			       : args_value[fspec->data_arg].pa_wchar),	      \
+			 &mbstate);					      \
+	width -= len;							      \
+	if (!left)							      \
+	  PAD (' ');							      \
+	outstring (buf, len);						      \
+	if (left)							      \
+	  PAD (' ');							      \
+      }									      \
+      break;								      \
+									      \
     LABEL (form_string):						      \
       {									      \
 	size_t len;							      \
@@ -722,18 +748,12 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 		len = 0;						      \
 	      }								      \
 	  }								      \
-	else if (!is_long)						      \
+	else if (!is_long && spec != L_('S'))				      \
 	  {								      \
 	    if (prec != -1)						      \
-	      {								      \
-		/* Search for the end of the string, but don't search past    \
-		   the length specified by the precision.  */		      \
-		const char *end = memchr (string, '\0', prec);		      \
-		if (end)						      \
-		  len = end - string;					      \
-		else							      \
-		  len = prec;						      \
-	      }								      \
+	      /* Search for the end of the string, but don't search past      \
+		 the length specified by the precision.  */		      \
+	      len = strnlen (string, prec);				      \
 	    else							      \
 	      len = strlen (string);					      \
 	  }								      \
@@ -1176,6 +1196,7 @@ do_positional:
 	  break
 
 	T (PA_CHAR, pa_char, int); /* Promoted.  */
+	T (PA_WCHAR, pa_wchar, wint_t);
 	T (PA_INT|PA_FLAG_SHORT, pa_short_int, int); /* Promoted.  */
 	T (PA_INT, pa_int, int);
 	T (PA_INT|PA_FLAG_LONG, pa_long_int, long int);
@@ -1184,6 +1205,7 @@ do_positional:
 	T (PA_DOUBLE, pa_double, double);
 	T (PA_DOUBLE|PA_FLAG_LONG_DOUBLE, pa_long_double, long double);
 	T (PA_STRING, pa_string, const char *);
+	T (PA_WSTRING, pa_wstring, const wchar_t *);
 	T (PA_POINTER, pa_pointer, void *);
 #undef T
 	default: