* include/stdio.h (__isoc99_fscanf, __isoc99_scanf,

	__isoc99_sscanf, __isoc99_vscanf): New prototypes.
	(__isoc99_vsscanf, __isoc99_vfscanf): New prototypes, add
	libc_hidden_proto.
	* include/wchar.h (__isoc99_fwscanf, __isoc99_wscanf,
	__isoc99_swscanf, __isoc99_vwscanf): New prototypes.
	(__isoc99_vswscanf, __isoc99_vfwscanf): New prototypes,
	add libc_hidden_proto.
	* libio/stdio.h (fscanf, scanf, sscanf, vfscanf, vscanf,
	vsscanf): Redirect to __isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* wcsmbs/wchar.h (fwscanf, wscanf, swscanf, vfwscanf, vwscanf,
	vswscanf): Redirect to __isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* libio/bits/stdio-ldbl.h (fscanf, scanf, sscanf, vfscanf, vscanf,
	vsscanf): Redirect to __nldbl___isoc99_* if strict ISO C99 or POSIX
	conformance requested.
	* wcsmbs/bits/wchar-ldbl.h (fwscanf, wscanf, swscanf, vfwscanf,
	vwscanf, vswscanf): Redirect to __nldbl___isoc99_* if strict
	ISO C99 or POSIX conformance requested.
	* stdio-common/Versions (libc): Export __isoc99_scanf@@GLIBC_2.7,
	__isoc99_vscanf@@GLIBC_2.7, __isoc99_fscanf@@GLIBC_2.7,
	__isoc99_vfscanf@@GLIBC_2.7, __isoc99_sscanf@@GLIBC_2.7
	and __isoc99_vsscanf@@GLIBC_2.7.
	* stdio-common/Makefile (routines): Add isoc99_scanf, isoc99_vscanf,
	isoc99_fscanf, isoc99_vfscanf, isoc99_sscanf and isoc99_vsscanf.
	(tests): Add scanf14.
	(CFLAGS-vfprintf.c, CFLAGS-fprintf.c, CFLAGS-printf.c,
	CFLAGS-vfwprintf.c, CFLAGS-vfscanf.c, CFLAGS-vfwscanf.c,
	CFLAGS-fscanf.c, CFLAGS-scanf.c, CFLAGS-isoc99_vfscanf.c,
	CFLAGS-isoc99_vscanf.c, CFLAGS-isoc99_fscanf.c,
	CFLAGS-isoc99_scanf.c): Add $(exceptions).
	(CFLAGS-scanf15.c): Add various -I paths to prevent the compiler
	from using internal headers.
	* wcsmbs/Versions (libc): Export __isoc99_wscanf@@GLIBC_2.7,
	__isoc99_vwscanf@@GLIBC_2.7, __isoc99_fwscanf@@GLIBC_2.7,
	__isoc99_vfwscanf@@GLIBC_2.7, __isoc99_swscanf@@GLIBC_2.7
	and __isoc99_vswscanf@@GLIBC_2.7.
	* wcsmbs/Makefile (routines): Add isoc99_wscanf, isoc99_vwscanf,
	isoc99_fwscanf, isoc99_vfwscanf, isoc99_swscanf and isoc99_vswscanf.
	(CFLAGS-isoc99_wscanf.c, CFLAGS-isoc99_fwscanf.c,
	CFLAGS-isoc99_vwscanf.c, CFLAGS-isoc99_vfwscanf.c): Add $(exceptions).
	(CPPFLAGS): Add -D_IO_MTSAFE_IO if needed.
	* stdio-common/isoc99_scanf.c: New file.
	* stdio-common/isoc99_vsscanf.c: New file.
	* stdio-common/isoc99_vscanf.c: New file.
	* stdio-common/isoc99_vfscanf.c: New file.
	* stdio-common/isoc99_fscanf.c: New file.
	* stdio-common/isoc99_sscanf.c: New file.
	* wcsmbs/isoc99_fwscanf.c: New file.
	* wcsmbs/isoc99_vswscanf.c: New file.
	* wcsmbs/isoc99_swscanf.c: New file.
	* wcsmbs/isoc99_wscanf.c: New file.
	* wcsmbs/isoc99_vwscanf.c: New file.
	* wcsmbs/isoc99_vfwscanf.c: New file.
	* libio/libio.h (_IO_FLAGS2_SCANF_STD): Define.
	* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): Also
	clear _IO_FLAGS2_SCANF_STD bit from _flags2.
	* stdio-common/vfscanf.c (_IO_vfscanf_internal): Don't
	handle %as, %aS and %a[ if _IO_FLAGS2_SCANF_STD is set in _flags2.
	* stdio-common/scanf14.c: New test.
	* stdio-common/scanf15.c: New test.
	* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
	isoc99_scanf, isoc99_fscanf, isoc99_sscanf,
	isoc99_vscanf, isoc99_vfscanf, isoc99_vsscanf,
	isoc99_wscanf, isoc99_fwscanf, isoc99_swscanf,
	isoc99_vwscanf, isoc99_vfwscanf and isoc99_vswscanf.
	* sysdeps/ieee754/ldbl-opt/Versions (libc): Export
	__nldbl___isoc99_scanf@@GLIBC_2.7,
	__nldbl___isoc99_fscanf@@GLIBC_2.7,
	__nldbl___isoc99_sscanf@@GLIBC_2.7,
	__nldbl___isoc99_vscanf@@GLIBC_2.7,
	__nldbl___isoc99_vfscanf@@GLIBC_2.7,
	__nldbl___isoc99_vsscanf@@GLIBC_2.7,
	__nldbl___isoc99_wscanf@@GLIBC_2.7,
	__nldbl___isoc99_fwscanf@@GLIBC_2.7,
	__nldbl___isoc99_swscanf@@GLIBC_2.7,
	__nldbl___isoc99_vwscanf@@GLIBC_2.7,
	__nldbl___isoc99_vfwscanf@@GLIBC_2.7
	and __nldbl___isoc99_vswscanf@@GLIBC_2.7.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__isoc99_scanf,
	__isoc99_fscanf, __isoc99_sscanf, __isoc99_vscanf,
	__isoc99_vfscanf, __isoc99_vsscanf, __isoc99_wscanf,
	__isoc99_fwscanf, __isoc99_swscanf, __isoc99_vwscanf,
	__isoc99_vfwscanf, __isoc99_vswscanf): Add NLDBL_DECL.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.c
	(__nldbl___isoc99_scanf, __nldbl___isoc99_fscanf,
	__nldbl___isoc99_sscanf, __nldbl___isoc99_vscanf,
	__nldbl___isoc99_vfscanf, __nldbl___isoc99_vsscanf,
	__nldbl___isoc99_wscanf, __nldbl___isoc99_fwscanf,
	__nldbl___isoc99_swscanf, __nldbl___isoc99_vwscanf,
	__nldbl___isoc99_vfwscanf, __nldbl___isoc99_vswscanf): New
	functions.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vfscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_swscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_wscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_scanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_sscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vsscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_fwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vfwscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vswscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_vscanf.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-isoc99_fscanf.c: New file.

	* stdio-common/Makefile (tests): Add scanf13.
	(scanf13-ENV): New.
	* stdio-common/vfscanf.c (_IO_vfscanf_internal): Handle
	m modifier followed by l.
	(STRING_ARG): Add width argument.
	(_IO_vfscanf_internal) <case L_('c')>: Handle %mc.
	<case L_('C')>: Handle %mlc and %mC.
	<case L_('s'), case L_('S'), case L_('[')>: Adjust STRING_ARG
	arguments.
	* stdio-common/scanf13.c: New test.

	* libio/libioP.h (_IO_acquire_lock_clear_flags2_fct): Clear
	the _IO_FLAGS2_FORTIFY bit from _flags2 rather than _flags.

	type and __THROW marker of splice, vmsplice, and tee.

12 files changed, 784 insertions, 58 deletions

diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 84aebf4945..f87ac560aa 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -34,7 +34,9 @@ routines	:=							      \
 	tmpfile tmpfile64 tmpnam tmpnam_r tempnam tempname		      \
 	getline getw putw						      \
 	remove rename renameat						      \
-	flockfile ftrylockfile funlockfile
+	flockfile ftrylockfile funlockfile				      \
+	isoc99_scanf isoc99_vscanf isoc99_fscanf isoc99_vfscanf isoc99_sscanf \
+	isoc99_vsscanf
 
 install-others = $(inst_includedir)/bits/stdio_lim.h
 
@@ -55,7 +57,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
 	 tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \
 	 tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \
 	 tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 bug18a \
-	 bug19 bug19a tst-popen2
+	 bug19 bug19a tst-popen2 scanf13 scanf14 scanf15
 
 test-srcs = tst-unbputc tst-printf
 
@@ -91,14 +93,34 @@ CFLAGS-tempname.c = -fexceptions
 CFLAGS-psignal.c = -fexceptions
 CFLAGS-vprintf.c = -fexceptions
 CFLAGS-cuserid.c = -fexceptions
+
+CFLAGS-vfprintf.c += $(exceptions)
+CFLAGS-fprintf.c += $(exceptions)
+CFLAGS-printf.c += $(exceptions)
+CFLAGS-vfwprintf.c += $(exceptions)
+CFLAGS-vfscanf.c += $(exceptions)
+CFLAGS-vfwscanf.c += $(exceptions)
+CFLAGS-fscanf.c += $(exceptions)
+CFLAGS-scanf.c += $(exceptions)
+CFLAGS-isoc99_vfscanf.c += $(exceptions)
+CFLAGS-isoc99_vscanf.c += $(exceptions)
+CFLAGS-isoc99_fscanf.c += $(exceptions)
+CFLAGS-isoc99_scanf.c += $(exceptions)
 CFLAGS-errlist.c = $(fno-unit-at-a-time)
 CFLAGS-siglist.c = $(fno-unit-at-a-time)
 
+# The following is a hack since we must compile scanf15.c without any
+# GNU extension.  The latter are needed, though, when internal headers
+# are used.  So made sure we see the installed headers first.
+CFLAGS-scanf15.c = -I../libio -I../stdlib -I../wcsmbs -I../time -I../string \
+		   -I../wctype
+
 # We know the test has a format string problem.
 CFLAGS-tst-sprintf.c = -Wno-format
 tst-sscanf-ENV = LOCPATH=$(common-objpfx)localedata
 tst-swprintf-ENV = LOCPATH=$(common-objpfx)localedata
 test-vfprintf-ENV = LOCPATH=$(common-objpfx)localedata
+scanf13-ENV = LOCPATH=$(common-objpfx)localedata
 bug14-ENV = LOCPATH=$(common-objpfx)localedata
 bug15-ENV = LOCPATH=$(common-objpfx)localedata
 
diff --git a/stdio-common/Versions b/stdio-common/Versions
index 2f64429346..1501fa2ffd 100644
--- a/stdio-common/Versions
+++ b/stdio-common/Versions
@@ -49,6 +49,10 @@ libc {
   GLIBC_2.4 {
     renameat;
   }
+  GLIBC_2.7 {
+    __isoc99_scanf; __isoc99_vscanf; __isoc99_fscanf; __isoc99_vfscanf;
+    __isoc99_sscanf; __isoc99_vsscanf;
+  }
   GLIBC_PRIVATE {
     # global variables
     _itoa_lower_digits;
diff --git a/stdio-common/isoc99_fscanf.c b/stdio-common/isoc99_fscanf.c
new file mode 100644
index 0000000000..5b8c16e788
--- /dev/null
+++ b/stdio-common/isoc99_fscanf.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <libioP.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+/* Read formatted input from STREAM according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_fscanf (FILE *stream, const char *format, ...)
+{
+  va_list arg;
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stream);
+  stream->_flags2 |= _IO_FLAGS2_SCANF_STD;
+
+  va_start (arg, format);
+  done = INTUSE(_IO_vfscanf) (stream, format, arg, NULL);
+  va_end (arg);
+
+  _IO_release_lock (stream);
+  return done;
+}
diff --git a/stdio-common/isoc99_scanf.c b/stdio-common/isoc99_scanf.c
new file mode 100644
index 0000000000..a90fe7018c
--- /dev/null
+++ b/stdio-common/isoc99_scanf.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002, 2004, 2006, 2007
+   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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <libioP.h>
+
+
+/* Read formatted input from stdin according to the format string FORMAT.  */
+/* VARARGS1 */
+int
+__isoc99_scanf (const char *format, ...)
+{
+  va_list arg;
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stdin);
+  stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
+
+  va_start (arg, format);
+  done = INTUSE(_IO_vfscanf) (stdin, format, arg, NULL);
+  va_end (arg);
+
+  _IO_release_lock (stdin);
+  return done;
+}
diff --git a/stdio-common/isoc99_sscanf.c b/stdio-common/isoc99_sscanf.c
new file mode 100644
index 0000000000..9500ccb464
--- /dev/null
+++ b/stdio-common/isoc99_sscanf.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1995, 1996, 1998, 2002, 2003, 2004, 2006, 2007
+   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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <libioP.h>
+
+/* Read formatted input from S, according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_sscanf (const char *s, const char *format, ...)
+{
+  va_list arg;
+  int done;
+
+  va_start (arg, format);
+  done = __isoc99_vsscanf (s, format, arg);
+  va_end (arg);
+
+  return done;
+}
diff --git a/stdio-common/isoc99_vfscanf.c b/stdio-common/isoc99_vfscanf.c
new file mode 100644
index 0000000000..10b04c3bc7
--- /dev/null
+++ b/stdio-common/isoc99_vfscanf.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <libioP.h>
+#include <stdio.h>
+
+/* Read formatted input from STREAM according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_vfscanf (FILE *stream, const char *format, _IO_va_list args)
+{
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stream);
+  stream->_flags2 |= _IO_FLAGS2_SCANF_STD;
+  done = INTUSE(_IO_vfscanf) (stream, format, args, NULL);
+  _IO_release_lock (stream);
+  return done;
+}
+libc_hidden_def (__isoc99_vfscanf)
diff --git a/stdio-common/isoc99_vscanf.c b/stdio-common/isoc99_vscanf.c
new file mode 100644
index 0000000000..f7858f042b
--- /dev/null
+++ b/stdio-common/isoc99_vscanf.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1997, 2006, 2007 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <libioP.h>
+#include <stdio.h>
+
+/* Read formatted input from STDIN according to the format string FORMAT.  */
+/* VARARGS2 */
+int
+__isoc99_vscanf (const char *format, _IO_va_list args)
+{
+  int done;
+
+  _IO_acquire_lock_clear_flags2 (stdin);
+  stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
+  done = INTUSE(_IO_vfscanf) (stdin, format, args, NULL);
+  _IO_release_lock (stdin);
+  return done;
+}
diff --git a/stdio-common/isoc99_vsscanf.c b/stdio-common/isoc99_vsscanf.c
new file mode 100644
index 0000000000..f10919c79a
--- /dev/null
+++ b/stdio-common/isoc99_vsscanf.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1993, 1997-2003, 2006, 2007 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.
+
+   As a special exception, if you link the code in this file with
+   files compiled with a GNU compiler to produce an executable,
+   that does not cause the resulting executable to be covered by
+   the GNU Lesser General Public License.  This exception does not
+   however invalidate any other reasons why the executable file
+   might be covered by the GNU Lesser General Public License.
+   This exception applies to code released by its copyright holders
+   in files containing the exception.  */
+
+#include <libioP.h>
+#include <stdio.h>
+#include "../libio/strfile.h"
+
+int
+__isoc99_vsscanf (const char *string, const char *format, _IO_va_list args)
+{
+  int ret;
+  _IO_strfile sf;
+#ifdef _IO_MTSAFE_IO
+  sf._sbf._f._lock = NULL;
+#endif
+  _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
+  _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps;
+  _IO_str_init_static_internal (&sf, (char*)string, 0, NULL);
+  sf._sbf._f._flags2 |= _IO_FLAGS2_SCANF_STD;
+  ret = INTUSE(_IO_vfscanf) ((_IO_FILE *) &sf._sbf, format, args, NULL);
+  return ret;
+}
+libc_hidden_def (__isoc99_vsscanf)
diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c
new file mode 100644
index 0000000000..e53cde29c7
--- /dev/null
+++ b/stdio-common/scanf13.c
@@ -0,0 +1,187 @@
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main (void)
+{
+  char *sp1, *sp2, *sp3, *sp4;
+  wchar_t *lsp1, *lsp2, *lsp3, *lsp4;
+  int result = 0;
+  char buf[2048+64];
+  wchar_t wbuf[2048+64];
+  size_t i;
+
+#define FAIL() \
+  do {							\
+    result = 1;						\
+    printf ("test at line %d failed\n", __LINE__);	\
+  } while (0)
+
+  setlocale (LC_ALL, "de_DE.UTF-8");
+  if (sscanf ("A  \xc3\x84-\t\t\xc3\x84-abcdefbcd\t\xc3\x84-B",
+	      "A%ms%10ms%4m[bcd]%4mcB", &sp1, &sp2, &sp3, &sp4) != 4)
+    FAIL ();
+  else
+    {
+      if (strcmp (sp1, "\xc3\x84-") != 0)
+	FAIL ();
+      free (sp1);
+      if (strcmp (sp2, "\xc3\x84-abcdefb") != 0)
+	FAIL ();
+      free (sp2);
+      if (strcmp (sp3, "cd") != 0)
+	FAIL ();
+      free (sp3);
+      if (memcmp (sp4, "\t\xc3\x84-", 4) != 0)
+	FAIL ();
+      free (sp4);
+    }
+
+  if (sscanf ("A  \xc3\x84-\t\t\xc3\x84-abcdefbcd\t\xc3\x84-BB",
+	      "A%mS%10mls%4ml[bcd]%4mCB", &lsp1, &lsp2, &lsp3, &lsp4) != 4)
+    FAIL ();
+  else
+    {
+      if (wcscmp (lsp1, L"\xc4-") != 0)
+	FAIL ();
+      free (lsp1);
+      if (wcscmp (lsp2, L"\xc4-abcdefbc") != 0)
+	FAIL ();
+      free (lsp2);
+      if (wcscmp (lsp3, L"d") != 0)
+	FAIL ();
+      free (lsp3);
+      if (memcmp (lsp4, L"\t\xc4-B", 4 * sizeof (wchar_t)) != 0)
+	FAIL ();
+      free (lsp4);
+    }
+
+  memset (buf, '/', sizeof (buf));
+  buf[0] = '\t';
+  buf[1] = ' ';
+  buf[2] = 0xc3;
+  buf[3] = 0x84;
+  buf[2048] = 0xc3;
+  buf[2049] = 0x84;
+  buf[2058] = '\t';
+  buf[2059] = 'a';
+  if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2)
+    FAIL ();
+  else
+    {
+      if (sp1[0] != '\xc3' || sp1[1] != '\x84'
+	  || sp1[2046] != '\xc3' || sp1[2047] != '\x84'
+	  || sp1[2056] != '\0')
+	FAIL ();
+      sp1[2046] = '/';
+      sp1[2047] = '/';
+      for (i = 2; i < 2056; i++)
+	if (sp1[i] != '/')
+	  FAIL ();
+      free (sp1);
+      if (sp2[0] != '\t')
+	FAIL ();
+      free (sp2);
+    }
+  if (sscanf (buf, "%2048ms%mc", &sp3, &sp4) != 2)
+    FAIL ();
+  else
+    {
+      if (sp3[0] != '\xc3' || sp3[1] != '\x84'
+	  || sp3[2046] != '\xc3' || sp3[2047] != '\x84'
+	  || sp3[2048] != '\0')
+	FAIL ();
+      for (i = 2; i < 2046; i++)
+	if (sp3[i] != '/')
+	  FAIL ();
+      free (sp3);
+      if (sp4[0] != '/')
+	FAIL ();
+      free (sp4);
+    }
+  if (sscanf (buf, "%4mc%1500m[dr/]%548m[abc/d]%3mc", &sp1, &sp2, &sp3, &sp4)
+      != 4)
+    FAIL ();
+  else
+    {
+      if (memcmp (sp1, "\t \xc3\x84", 4) != 0)
+	FAIL ();
+      free (sp1);
+      for (i = 0; i < 1500; i++)
+	if (sp2[i] != '/')
+	  FAIL ();
+      if (sp2[1500] != '\0')
+	FAIL ();
+      free (sp2);
+      for (i = 0; i < 544; i++)
+	if (sp3[i] != '/')
+	  FAIL ();
+      if (sp3[544] != '\0')
+	FAIL ();
+      free (sp3);
+      if (memcmp (sp4, "\xc3\x84/", 3) != 0)
+	FAIL ();
+      free (sp4);
+    }
+  if (sscanf (buf, "%mS%mC", &lsp1, &lsp2) != 2)
+    FAIL ();
+  else
+    {
+      if (lsp1[0] != L'\xc4' || lsp1[2045] != L'\xc4'
+	  || lsp1[2054] != L'\0')
+	FAIL ();
+      lsp1[2045] = L'/';
+      for (i = 1; i < 2054; i++)
+	if (lsp1[i] != L'/')
+	  FAIL ();
+      free (lsp1);
+      if (lsp2[0] != L'\t')
+	FAIL ();
+      free (lsp2);
+    }
+  if (sscanf (buf, "%2048mls%mlc", &lsp3, &lsp4) != 2)
+    FAIL ();
+  else
+    {
+      if (lsp3[0] != L'\xc4' || lsp3[2045] != L'\xc4'
+	  || lsp3[2048] != L'\0')
+	FAIL ();
+      lsp3[2045] = L'/';
+      for (i = 1; i < 2048; i++)
+	if (lsp3[i] != L'/')
+	  FAIL ();
+      free (lsp3);
+      if (lsp4[0] != L'/')
+	FAIL ();
+      free (lsp4);
+    }
+  if (sscanf (buf, "%4mC%1500ml[dr/]%548ml[abc/d]%3mlc",
+	      &lsp1, &lsp2, &lsp3, &lsp4) != 4)
+    FAIL ();
+  else
+    {
+      if (memcmp (lsp1, L"\t \xc4/", 4 * sizeof (wchar_t)) != 0)