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authorUlrich Drepper <drepper@redhat.com>2008-03-05 07:05:13 +0000
committerUlrich Drepper <drepper@redhat.com>2008-03-05 07:05:13 +0000
commitdff375150393cf31c06010153082959438da9886 (patch)
tree3d641864c9fd83d2a4204a963e9add6f5dcbc499 /debug/vdprintf_chk.c
parenta4bb445a63b483818ed5a7c20d45581d63dad326 (diff)
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* include/stdio.h (__asprintf_chk, __dprintf_chk, cvs/fedora-glibc-20080305T0857
	__obstack_printf_chk): New prototypes.
	(__vasprintf_chk, __vdprintf_chk,
	__obstack_vprintf_chk): Likewise.
	Add libc_hidden_proto.
	* libio/obprintf.c
	(_IO_obstack_jumps): No longer static, add attribute_hidden.
	* libio/bits/stdio-ldbl.h (__asprintf_chk, __dprintf_chk,
	__obstack_printf_chk, __vasprintf_chk, __vdprintf_chk,
	__obstack_vprintf_chk): Add __LDBL_REDIR_DECL.
	* libio/bits/stdio2.h (__asprintf_chk, __dprintf_chk,
	__obstack_printf_chk, __vasprintf_chk, __vdprintf_chk,
	__obstack_vprintf_chk): New prototypes.
	(asprintf, __asprintf, dprintf, obstack_printf, vasprintf, vdprintf,
	obstack_vprintf): New inlines.
	* debug/dprintf_chk.c: New file.
	* debug/vdprintf_chk.c: New file.
	* debug/asprintf_chk.c: New file.
	* debug/vasprintf_chk.c: New file.
	* debug/obprintf_chk.c: New file.
	* debug/tst-chk1.c (do_test): Add asprintf and obstack_printf tests.
	* debug/Versions (__asprintf_chk, __dprintf_chk, __obstack_printf_chk,
	__vasprintf_chk, __vdprintf_chk, __obstack_vprintf_chk): Export
	@@GLIBC_2.8.
	* debug/Makefile: Build asprintf_chk, vasprintf_chk, dprintf_chk,
	vdprintf_chk and obprintf_chk, set CFLAGS for them.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.c (__nldbl___vasprintf_chk,
	__nldbl___vdprintf_chk, __nldbl___obstack_vprintf_chk): Add
	libc_hidden_proto.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl___vasprintf_chk,
	__nldbl___vdprintf_chk, __nldbl___obstack_vprintf_chk): New prototypes.
	* sysdeps/ieee754/ldbl-opt/Versions (__nldbl___asprintf_chk,
	__nldbl___vasprintf_chk, __nldbl___dprintf_chk, __nldbl___vdprintf_chk,
	__nldbl___obstack_printf_chk, __nldbl___obstack_vprintf_chk): Export
	@@GLIBC_2.8.
	* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add asprintf_chk,
	vasprintf_chk, dprintf_chk, vdprintf_chk, obstack_printf_chk and
	obstack_vprintf_chk.
	* sysdeps/ieee754/ldbl-opt/nldbl-obstack_vprintf_chk.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-dprintf_chk.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-obstack_printf_chk.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-asprintf_chk.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-vdprintf_chk.c: New file.
	* sysdeps/ieee754/ldbl-opt/nldbl-vasprintf_chk.c: New file.
Diffstat (limited to 'debug/vdprintf_chk.c')
-rw-r--r--debug/vdprintf_chk.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/debug/vdprintf_chk.c b/debug/vdprintf_chk.c
new file mode 100644
index 0000000000..8f3d332a40
--- /dev/null
+++ b/debug/vdprintf_chk.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 1995, 1997-2000, 2001, 2002, 2003, 2006, 2008
+   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_ext.h>
+
+int
+__vdprintf_chk (int d, int flags, const char *format, va_list arg)
+{
+  struct _IO_FILE_plus tmpfil;
+  struct _IO_wide_data wd;
+  int done;
+
+#ifdef _IO_MTSAFE_IO
+  tmpfil.file._lock = NULL;
+#endif
+  _IO_no_init (&tmpfil.file, _IO_USER_LOCK, 0, &wd, &_IO_wfile_jumps);
+  _IO_JUMPS (&tmpfil) = &_IO_file_jumps;
+  INTUSE(_IO_file_init) (&tmpfil);
+#if  !_IO_UNIFIED_JUMPTABLES
+  tmpfil.vtable = NULL;
+#endif
+  if (INTUSE(_IO_file_attach) (&tmpfil.file, d) == NULL)
+    {
+      INTUSE(_IO_un_link) (&tmpfil);
+      return EOF;
+    }
+  tmpfil.file._IO_file_flags =
+    (_IO_mask_flags (&tmpfil.file, _IO_NO_READS,
+		     _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING)
+     | _IO_DELETE_DONT_CLOSE);
+
+  /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+     can only come from read-only format strings.  */
+  if (flags > 0)
+    tmpfil.file._flags2 |= _IO_FLAGS2_FORTIFY;
+
+  done = INTUSE(_IO_vfprintf) (&tmpfil.file, format, arg);
+
+  _IO_FINISH (&tmpfil.file);
+
+  return done;
+}
+libc_hidden_def (__vdprintf_chk)