summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
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
parenta4bb445a63b483818ed5a7c20d45581d63dad326 (diff)
* 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.
-rw-r--r--ChangeLog47
-rw-r--r--debug/Makefile10
-rw-r--r--debug/Versions4
-rw-r--r--debug/asprintf_chk.c38
-rw-r--r--debug/dprintf_chk.c37
-rw-r--r--debug/obprintf_chk.c117
-rw-r--r--debug/tst-chk1.c36
-rw-r--r--debug/vasprintf_chk.c97
-rw-r--r--debug/vdprintf_chk.c69
-rw-r--r--include/stdio.h11
-rw-r--r--libio/bits/stdio-ldbl.h10
-rw-r--r--libio/bits/stdio2.h89
-rw-r--r--libio/obprintf.c4
-rw-r--r--sysdeps/ieee754/ldbl-opt/Makefile3
-rw-r--r--sysdeps/ieee754/ldbl-opt/Versions5
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-asprintf_chk.c15
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-compat.c85
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-compat.h5
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-dprintf_chk.c15
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-obstack_printf_chk.c13
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-obstack_vprintf_chk.c9
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-vasprintf_chk.c8
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-vdprintf_chk.c8
23 files changed, 726 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 2e5a9b75ff..1477ecd152 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,50 @@
+2008-03-04 Jakub Jelinek <jakub@redhat.com>
+
+ * include/stdio.h (__asprintf_chk, __dprintf_chk,
+ __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.
+
2008-03-04 Ulrich Drepper <drepper@redhat.com>
[BZ #5779]
diff --git a/debug/Makefile b/debug/Makefile
index a2c28f9737..ece7ee6bd7 100644
--- a/debug/Makefile
+++ b/debug/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1998-2001,2004,2005,2006,2007 Free Software Foundation, Inc.
+# Copyright (C) 1998-2001,2004-2008 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
@@ -41,7 +41,8 @@ routines = backtrace backtracesyms backtracesymsfd noophooks \
confstr_chk getgroups_chk ttyname_r_chk getlogin_r_chk \
gethostname_chk getdomainname_chk wcrtomb_chk mbsnrtowcs_chk \
wcsnrtombs_chk mbsrtowcs_chk wcsrtombs_chk mbstowcs_chk \
- wcstombs_chk \
+ wcstombs_chk asprintf_chk vasprintf_chk dprintf_chk \
+ vdprintf_chk obprintf_chk \
stack_chk_fail fortify_fail \
$(static-only-routines)
static-only-routines := warning-nop stack_chk_fail_local
@@ -51,6 +52,11 @@ CFLAGS-sprintf_chk.c = -D_IO_MTSAFE_IO
CFLAGS-snprintf_chk.c = -D_IO_MTSAFE_IO
CFLAGS-vsprintf_chk.c = -D_IO_MTSAFE_IO
CFLAGS-vsnprintf_chk.c = -D_IO_MTSAFE_IO
+CFLAGS-asprintf_chk.c = -D_IO_MTSAFE_IO
+CFLAGS-vasprintf_chk.c = -D_IO_MTSAFE_IO
+CFLAGS-obprintf_chk.c = -D_IO_MTSAFE_IO
+CFLAGS-dprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
+CFLAGS-vdprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
CFLAGS-printf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
CFLAGS-fprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
CFLAGS-vprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
diff --git a/debug/Versions b/debug/Versions
index e467cc0602..ef6b08b7b3 100644
--- a/debug/Versions
+++ b/debug/Versions
@@ -42,6 +42,10 @@ libc {
GLIBC_2.7 {
__fread_chk; __fread_unlocked_chk;
}
+ GLIBC_2.8 {
+ __asprintf_chk; __vasprintf_chk; __dprintf_chk; __vdprintf_chk;
+ __obstack_printf_chk; __obstack_vprintf_chk;
+ }
GLIBC_PRIVATE {
__fortify_fail;
}
diff --git a/debug/asprintf_chk.c b/debug/asprintf_chk.c
new file mode 100644
index 0000000000..fd943c851b
--- /dev/null
+++ b/debug/asprintf_chk.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991, 1995, 1997, 1998, 2004, 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. */
+
+#include <libioP.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+
+/* Write formatted output from FORMAT to a string which is
+ allocated with malloc and stored in *STRING_PTR. */
+int
+__asprintf_chk (char **result_ptr, int flags, const char *format, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, format);
+ done = __vasprintf_chk (result_ptr, flags, format, arg);
+ va_end (arg);
+
+ return done;
+}
diff --git a/debug/dprintf_chk.c b/debug/dprintf_chk.c
new file mode 100644
index 0000000000..d9e6705db0
--- /dev/null
+++ b/debug/dprintf_chk.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1995, 1997, 1998, 2004, 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. */
+
+#include <libioP.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+
+/* Write formatted output to D, according to the format string FORMAT. */
+int
+__dprintf_chk (int d, int flags, const char *format, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, format);
+ done = __vdprintf_chk (d, flags, format, arg);
+ va_end (arg);
+
+ return done;
+}
diff --git a/debug/obprintf_chk.c b/debug/obprintf_chk.c
new file mode 100644
index 0000000000..8e7014f394
--- /dev/null
+++ b/debug/obprintf_chk.c
@@ -0,0 +1,117 @@
+/* Print output of stream to given obstack.
+ Copyright (C) 1996,1997,1999,2000,2001,2002,2003,2004,2005,2006,2008
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ 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 <stdlib.h>
+#include <libioP.h>
+#include "../libio/strfile.h"
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <obstack.h>
+#include <stdarg.h>
+#include <stdio_ext.h>
+
+
+struct _IO_obstack_file
+{
+ struct _IO_FILE_plus file;
+ struct obstack *obstack;
+};
+
+extern const struct _IO_jump_t _IO_obstack_jumps attribute_hidden;
+
+int
+__obstack_vprintf_chk (struct obstack *obstack, int flags, const char *format,
+ va_list args)
+{
+ struct obstack_FILE
+ {
+ struct _IO_obstack_file ofile;
+ } new_f;
+ int result;
+ int size;
+ int room;
+
+#ifdef _IO_MTSAFE_IO
+ new_f.ofile.file.file._lock = NULL;
+#endif
+
+ _IO_no_init (&new_f.ofile.file.file, _IO_USER_LOCK, -1, NULL, NULL);
+ _IO_JUMPS (&new_f.ofile.file) = &_IO_obstack_jumps;
+ room = obstack_room (obstack);
+ size = obstack_object_size (obstack) + room;
+ if (size == 0)
+ {
+ /* We have to handle the allocation a bit different since the
+ `_IO_str_init_static' function would handle a size of zero
+ different from what we expect. */
+
+ /* Get more memory. */
+ obstack_make_room (obstack, 64);
+
+ /* Recompute how much room we have. */
+ room = obstack_room (obstack);
+ size = room;
+
+ assert (size != 0);
+ }
+
+ _IO_str_init_static_internal ((struct _IO_strfile_ *) &new_f.ofile,
+ obstack_base (obstack),
+ size, obstack_next_free (obstack));
+ /* Now allocate the rest of the current chunk. */
+ assert (size == (new_f.ofile.file.file._IO_write_end
+ - new_f.ofile.file.file._IO_write_base));
+ assert (new_f.ofile.file.file._IO_write_ptr
+ == (new_f.ofile.file.file._IO_write_base
+ + obstack_object_size (obstack)));
+ obstack_blank_fast (obstack, room);
+
+ new_f.ofile.obstack = obstack;
+
+ /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+ can only come from read-only format strings. */
+ if (flags > 0)
+ new_f.ofile.file.file._flags2 |= _IO_FLAGS2_FORTIFY;
+
+ result = INTUSE(_IO_vfprintf) (&new_f.ofile.file.file, format, args);
+
+ /* Shrink the buffer to the space we really currently need. */
+ obstack_blank_fast (obstack, (new_f.ofile.file.file._IO_write_ptr
+ - new_f.ofile.file.file._IO_write_end));
+
+ return result;
+}
+libc_hidden_def (__obstack_vprintf_chk)
+
+
+int
+__obstack_printf_chk (struct obstack *obstack, int flags, const char *format,
+ ...)
+{
+ int result;
+ va_list ap;
+ va_start (ap, format);
+ result = __obstack_vprintf_chk (obstack, flags, format, ap);
+ va_end (ap);
+ return result;
+}
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c
index 487b071026..e03f3dba6d 100644
--- a/debug/tst-chk1.c
+++ b/debug/tst-chk1.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
@@ -20,6 +20,7 @@
#include <assert.h>
#include <fcntl.h>
#include <locale.h>
+#include <obstack.h>
#include <paths.h>
#include <setjmp.h>
#include <signal.h>
@@ -31,6 +32,9 @@
#include <sys/socket.h>
#include <sys/un.h>
+#define obstack_chunk_alloc malloc
+#define obstack_chunk_free free
+
char *temp_filename;
static void do_prepare (void);
static int do_test (void);
@@ -705,6 +709,36 @@ do_test (void)
if (fprintf (fp, buf2 + 4, str5) != 7)
FAIL ();
+ char *my_ptr = NULL;
+ strcpy (buf2 + 2, "%n%s%n");
+ /* When the format string is writable and contains %n,
+ with -D_FORTIFY_SOURCE=2 it causes __chk_fail. */
+ CHK_FAIL2_START
+ if (asprintf (&my_ptr, buf2, str4, &n1, str5, &n1) != 14)
+ FAIL ();
+ else
+ free (my_ptr);
+ CHK_FAIL2_END
+
+ struct obstack obs;
+ obstack_init (&obs);
+ CHK_FAIL2_START
+ if (obstack_printf (&obs, buf2, str4, &n1, str5, &n1) != 14)
+ FAIL ();
+ CHK_FAIL2_END
+ obstack_free (&obs, NULL);
+
+ my_ptr = NULL;
+ if (asprintf (&my_ptr, "%s%n%s%n", str4, &n1, str5, &n1) != 14)
+ FAIL ();
+ else
+ free (my_ptr);
+
+ obstack_init (&obs);
+ if (obstack_printf (&obs, "%s%n%s%n", str4, &n1, str5, &n1) != 14)
+ FAIL ();
+ obstack_free (&obs, NULL);
+
if (freopen (temp_filename, "r", stdin) == NULL)
{
puts ("could not open temporary file");
diff --git a/debug/vasprintf_chk.c b/debug/vasprintf_chk.c
new file mode 100644
index 0000000000..6105516d59
--- /dev/null
+++ b/debug/vasprintf_chk.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 1995,1997,1999-2002,2004,2006,2008
+ 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 <malloc.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include "../libio/libioP.h"
+#include "../libio/strfile.h"
+
+int
+__vasprintf_chk (char **result_ptr, int flags, const char *format,
+ va_list args)
+{
+ /* Initial size of the buffer to be used. Will be doubled each time an
+ overflow occurs. */
+ const _IO_size_t init_string_size = 100;
+ char *string;
+ _IO_strfile sf;
+ int ret;
+ _IO_size_t needed;
+ _IO_size_t allocated;
+ /* No need to clear the memory here (unlike for open_memstream) since
+ we know we will never seek on the stream. */
+ string = (char *) malloc (init_string_size);
+ if (string == NULL)
+ return -1;
+#ifdef _IO_MTSAFE_IO
+ sf._sbf._f._lock = NULL;
+#endif
+ _IO_no_init ((_IO_FILE *) &sf._sbf, _IO_USER_LOCK, -1, NULL, NULL);
+ _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps;
+ _IO_str_init_static_internal (&sf, string, init_string_size, string);
+ sf._sbf._f._flags &= ~_IO_USER_BUF;
+ sf._s._allocate_buffer = (_IO_alloc_type) malloc;
+ sf._s._free_buffer = (_IO_free_type) free;
+
+ /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+ can only come from read-only format strings. */
+ if (flags > 0)
+ sf._sbf._f._flags2 |= _IO_FLAGS2_FORTIFY;
+
+ ret = INTUSE(_IO_vfprintf) (&sf._sbf._f, format, args);
+ if (ret < 0)
+ {
+ free (sf._sbf._f._IO_buf_base);
+ return ret;
+ }
+ /* Only use realloc if the size we need is of the same (binary)
+ order of magnitude then the memory we allocated. */
+ needed = sf._sbf._f._IO_write_ptr - sf._sbf._f._IO_write_base + 1;
+ allocated = sf._sbf._f._IO_write_end - sf._sbf._f._IO_write_base;
+ if ((allocated >> 1) <= needed)
+ *result_ptr = (char *) realloc (sf._sbf._f._IO_buf_base, needed);
+ else
+ {
+ *result_ptr = (char *) malloc (needed);
+ if (*result_ptr != NULL)
+ {
+ memcpy (*result_ptr, sf._sbf._f._IO_buf_base, needed - 1);
+ free (sf._sbf._f._IO_buf_base);
+ }
+ else
+ /* We have no choice, use the buffer we already have. */
+ *result_ptr = (char *) realloc (sf._sbf._f._IO_buf_base, needed);
+ }
+ if (*result_ptr == NULL)
+ *result_ptr = sf._sbf._f._IO_buf_base;
+ (*result_ptr)[needed - 1] = '\0';
+ return ret;
+}
+libc_hidden_def (__vasprintf_chk)
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)
diff --git a/include/stdio.h b/include/stdio.h
index 3c11037490..54f2507261 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -41,6 +41,14 @@ extern int __vprintf_chk (int, const char *, _G_va_list);
extern int __vfprintf_chk (FILE *, int, const char *, _G_va_list);
extern char *__fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp);
extern char *__fgets_chk (char *buf, size_t size, int n, FILE *fp);
+extern int __asprintf_chk (char **, int, const char *, ...) __THROW;
+extern int __vasprintf_chk (char **, int, const char *, _G_va_list) __THROW;
+extern int __dprintf_chk (int, int, const char *, ...);
+extern int __vdprintf_chk (int, int, const char *, _G_va_list);
+extern int __obstack_printf_chk (struct obstack *, int, const char *, ...)
+ __THROW;
+extern int __obstack_vprintf_chk (struct obstack *, int, const char *,
+ _G_va_list) __THROW;
#endif
extern int __isoc99_fscanf (FILE *__restrict __stream,
@@ -149,6 +157,9 @@ libc_hidden_proto (__libc_fatal)
libc_hidden_proto (__vsprintf_chk)
libc_hidden_proto (__vsnprintf_chk)
libc_hidden_proto (__vfprintf_chk)
+libc_hidden_proto (__vasprintf_chk)
+libc_hidden_proto (__vdprintf_chk)
+libc_hidden_proto (__obstack_vprintf_chk)
# if !defined NOT_IN_libc && defined SHARED && defined DO_VERSIONING \
&& !defined NO_HIDDEN
diff --git a/libio/bits/stdio-ldbl.h b/libio/bits/stdio-ldbl.h
index c93e6c48fb..ce0f1135de 100644
--- a/libio/bits/stdio-ldbl.h
+++ b/libio/bits/stdio-ldbl.h
@@ -1,5 +1,5 @@
/* -mlong-double-64 compatibility mode for stdio functions.
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 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
@@ -85,5 +85,13 @@ __LDBL_REDIR_DECL (__fprintf_chk)
__LDBL_REDIR_DECL (__printf_chk)
__LDBL_REDIR_DECL (__vfprintf_chk)
__LDBL_REDIR_DECL (__vprintf_chk)
+# ifdef __USE_GNU
+__LDBL_REDIR_DECL (__asprintf_chk)
+__LDBL_REDIR_DECL (__vasprintf_chk)
+__LDBL_REDIR_DECL (__dprintf_chk)
+__LDBL_REDIR_DECL (__vdprintf_chk)
+__LDBL_REDIR_DECL (__obstack_printf_chk)
+__LDBL_REDIR_DECL (__obstack_vprintf_chk)
+# endif
# endif
#endif
diff --git a/libio/bits/stdio2.h b/libio/bits/stdio2.h
index 8889540689..8c25aaae50 100644
--- a/libio/bits/stdio2.h
+++ b/libio/bits/stdio2.h
@@ -1,5 +1,5 @@
/* Checking macros for stdio functions.
- Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007, 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
@@ -128,6 +128,93 @@ vfprintf (FILE *__restrict __stream,
return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}
+# ifdef __USE_GNU
+
+extern int __asprintf_chk (char **__restrict __ptr, int __flag,
+ __const char *__restrict __fmt, ...)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur;
+extern int __vasprintf_chk (char **__restrict __ptr, int __flag,
+ __const char *__restrict __fmt, _G_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur;
+extern int __dprintf_chk (int __fd, int __flag, __const char *__restrict __fmt,
+ ...) __attribute__ ((__format__ (__printf__, 3, 4)));
+extern int __vdprintf_chk (int __fd, int __flag,
+ __const char *__restrict __fmt, _G_va_list __arg)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+extern int __obstack_printf_chk (struct obstack *__restrict __obstack,
+ int __flag, __const char *__restrict __format,
+ ...)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
+extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
+ int __flag,
+ __const char *__restrict __format,
+ _G_va_list __args)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 0)));
+
+# ifdef __va_arg_pack
+__extern_always_inline int
+__NTH (asprintf (char **__restrict __ptr, __const char *__restrict __fmt, ...))
+{
+ return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __va_arg_pack ());
+}
+
+__extern_always_inline int
+__NTH (__asprintf (char **__restrict __ptr, __const char *__restrict __fmt,
+ ...))
+{
+ return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __va_arg_pack ());
+}
+
+__extern_always_inline int
+dprintf (int __fd, __const char *__restrict __fmt, ...)
+{
+ return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __va_arg_pack ());
+}
+
+__extern_always_inline int
+__NTH (obstack_printf (struct obstack *__restrict __obstack,
+ __const char *__restrict __fmt, ...))
+{
+ return __obstack_printf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __va_arg_pack ());
+}
+# elif !defined __cplusplus
+# define asprintf(ptr, ...) \
+ __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define __asprintf(ptr, ...) \
+ __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define dprintf(fd, ...) \
+ __dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define obstack_printf(obstack, ...) \
+ __obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# endif
+
+__extern_always_inline int
+__NTH (vasprintf (char **__restrict __ptr, __const char *__restrict __fmt,
+ _G_va_list __ap))
+{
+ return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
+}
+
+__extern_always_inline int
+vdprintf (int __fd, __const char *__restrict __fmt, _G_va_list __ap)
+{
+ return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
+}
+
+__extern_always_inline int
+__NTH (obstack_vprintf (struct obstack *__restrict __obstack,
+ __const char *__restrict __fmt, _G_va_list __ap))
+{
+ return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __ap);
+}
+
+# endif
+
#endif
extern char *__gets_chk (char *__str, size_t) __wur;
diff --git a/libio/obprintf.c b/libio/obprintf.c
index 0a50c8e0fc..c715c2d4a5 100644
--- a/libio/obprintf.c
+++ b/libio/obprintf.c
@@ -1,5 +1,5 @@
/* Print output of stream to given obstack.
- Copyright (C) 1996,1997,1999,2000,2001,2002,2003,2004,2005,2006
+ Copyright (C) 1996,1997,1999,2000,2001,2002,2003,2004,2005,2006,2008
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -95,7 +95,7 @@ _IO_obstack_xsputn (_IO_FILE *fp, const void *data, _IO_size_t n)
/* the jump table. */
-static const struct _IO_jump_t _IO_obstack_jumps =
+const struct _IO_jump_t _IO_obstack_jumps attribute_hidden =
{
JUMP_INIT_DUMMY,
JUMP_INIT(finish, NULL),
diff --git a/sysdeps/ieee754/ldbl-opt/Makefile b/sysdeps/ieee754/ldbl-opt/Makefile
index ce2d2d5d1d..97b9c9f8bd 100644
--- a/sysdeps/ieee754/ldbl-opt/Makefile
+++ b/sysdeps/ieee754/ldbl-opt/Makefile
@@ -20,7 +20,8 @@ libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
fprintf_chk fwprintf_chk printf_chk snprintf_chk sprintf_chk \
swprintf_chk vfprintf_chk vfwprintf_chk vprintf_chk \
vsnprintf_chk vsprintf_chk vswprintf_chk vwprintf_chk \
- wprintf_chk \
+ wprintf_chk asprintf_chk vasprintf_chk dprintf_chk \
+ vdprintf_chk obstack_printf_chk obstack_vprintf_chk \
syslog syslog_chk vsyslog vsyslog_chk \
strfmon strfmon_l \
strtold strtold_l strtoldint wcstold wcstold_l wcstoldint \
diff --git a/sysdeps/ieee754/ldbl-opt/Versions b/sysdeps/ieee754/ldbl-opt/Versions
index 74fb3383ab..d3f0beaef2 100644
--- a/sysdeps/ieee754/ldbl-opt/Versions
+++ b/sysdeps/ieee754/ldbl-opt/Versions
@@ -73,6 +73,11 @@ libc {
__nldbl___isoc99_swscanf; __nldbl___isoc99_vwscanf;
__nldbl___isoc99_vfwscanf; __nldbl___isoc99_vswscanf;
}
+ GLIBC_2.8 {
+ __nldbl___asprintf_chk; __nldbl___vasprintf_chk;
+ __nldbl___dprintf_chk; __nldbl___vdprintf_chk;
+ __nldbl___obstack_printf_chk; __nldbl___obstack_vprintf_chk;
+ }
}
libm {
NLDBL_VERSION {
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-asprintf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-asprintf_chk.c
new file mode 100644
index 0000000000..b520181db7
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-asprintf_chk.c
@@ -0,0 +1,15 @@
+#include "nldbl-compat.h"
+
+attribute_hidden
+int
+__asprintf_chk (char **string_ptr, int flag, const char *fmt, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, fmt);
+ done = __nldbl___vasprintf_chk (string_ptr, flag, fmt, arg);
+ va_end (arg);
+
+ return done;
+}
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
index b87f3bc476..f692a455da 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
@@ -1,5 +1,5 @@
/* *printf* family compatibility routines for IEEE double as long double
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@cygnus.com>, 2006.
@@ -48,6 +48,9 @@ libc_hidden_proto (__nldbl___vfprintf_chk)
libc_hidden_proto (__nldbl___vsyslog_chk)
libc_hidden_proto (__nldbl___vsprintf_chk)
libc_hidden_proto (__nldbl___vswprintf_chk)
+libc_hidden_proto (__nldbl___vasprintf_chk)
+libc_hidden_proto (__nldbl___vdprintf_chk)
+libc_hidden_proto (__nldbl___obstack_vprintf_chk)
libc_hidden_proto (__nldbl___vstrfmon)
libc_hidden_proto (__nldbl___vstrfmon_l)
libc_hidden_proto (__nldbl___isoc99_vsscanf)
@@ -667,6 +670,86 @@ __nldbl___wprintf_chk (int flag, const wchar_t *fmt, ...)
return done;
}
+int
+attribute_compat_text_section
+__nldbl___vasprintf_chk (char **ptr, int flag, const char *fmt, va_list arg)
+{
+ int res;
+ __no_long_double = 1;
+ res = __vasprintf_chk (ptr, flag, fmt, arg);
+ __no_long_double = 0;
+ return res;
+}
+libc_hidden_def (__nldbl___vasprintf_chk)
+
+int
+attribute_compat_text_section
+__nldbl___asprintf_chk (char **ptr, int flag, const char *fmt, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, fmt);
+ done = __nldbl___vasprintf_chk (ptr, flag, fmt, arg);
+ va_end (arg);
+
+ return done;
+}
+
+int
+attribute_compat_text_section
+__nldbl___vdprintf_chk (int d, int flag, const char *fmt, va_list arg)
+{
+ int res;
+ set_no_long_double ();
+ res = __vdprintf_chk (d, flag, fmt, arg);
+ clear_no_long_double ();
+ return res;
+}
+libc_hidden_def (__nldbl___vdprintf_chk)
+
+int
+attribute_compat_text_section
+__nldbl___dprintf_chk (int d, int flag, const char *fmt, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, fmt);
+ done = __nldbl___vdprintf_chk (d, flag, fmt, arg);
+ va_end (arg);
+
+ return done;
+}
+
+int
+attribute_compat_text_section
+__nldbl___obstack_vprintf_chk (struct obstack *obstack, int flag,
+ const char *fmt, va_list arg)
+{
+ int res;
+ __no_long_double = 1;
+ res = __obstack_vprintf_chk (obstack, flag, fmt, arg);
+ __no_long_double = 0;
+ return res;
+}
+libc_hidden_def (__nldbl___obstack_vprintf_chk)
+
+int
+attribute_compat_text_section
+__nldbl___obstack_printf_chk (struct obstack *obstack, int flag,
+ const char *fmt, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, fmt);
+ done = __nldbl___obstack_vprintf_chk (obstack, flag, fmt, arg);
+ va_end (arg);
+
+ return done;
+}
+
extern __typeof (printf_size) __printf_size;
int
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
index c7824583d6..cde15963d4 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
@@ -93,6 +93,11 @@ extern int __nldbl___vsnprintf_chk (char *__restrict, size_t, int, size_t,
extern int __nldbl___vswprintf_chk (wchar_t *__restrict, size_t, int, size_t,
const wchar_t *__restrict, __gnuc_va_list)
__THROW;
+extern int __nldbl___vasprintf_chk (char **, int, const char *, _G_va_list)
+ __THROW;
+extern int __nldbl___vdprintf_chk (int, int, const char *, _G_va_list);
+extern int __nldbl___obstack_vprintf_chk (struct obstack *, int, const char *,
+ _G_va_list) __THROW;
extern void __nldbl___vsyslog_chk (int, int, const char *, va_list);
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-dprintf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-dprintf_chk.c
new file mode 100644
index 0000000000..b3e2359128
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-dprintf_chk.c
@@ -0,0 +1,15 @@
+#include "nldbl-compat.h"
+
+attribute_hidden
+int
+__dprintf_chk (int d, int flag, const char *fmt, ...)
+{
+ va_list arg;
+ int done;
+
+ va_start (arg, fmt);
+ done = __nldbl___vdprintf_chk (d, flag, fmt, arg);
+ va_end (arg);
+
+ return done;
+}
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-obstack_printf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-obstack_printf_chk.c
new file mode 100644
index 0000000000..8e7d8eb4ad
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-obstack_printf_chk.c
@@ -0,0 +1,13 @@
+#include "nldbl-compat.h"
+
+int
+attribute_hidden
+__obstack_printf_chk (struct obstack *obstack, int flag, const char *fmt, ...)
+{
+ int result;
+ va_list ap;
+ va_start (ap, fmt);
+ result = __nldbl___obstack_vprintf_chk (obstack, flag, fmt, ap);
+ va_end (ap);
+ return result;
+}
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-obstack_vprintf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-obstack_vprintf_chk.c
new file mode 100644
index 0000000000..a06f6bf9b4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-obstack_vprintf_chk.c
@@ -0,0 +1,9 @@
+#include "nldbl-compat.h"
+
+int
+attribute_hidden
+__obstack_vprintf_chk (struct obstack *obstack, int flag, const char *fmt,
+ va_list ap)
+{
+ return __nldbl___obstack_vprintf_chk (obstack, flag, fmt, ap);
+}
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-vasprintf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-vasprintf_chk.c
new file mode 100644
index 0000000000..4f5391a9d7
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-vasprintf_chk.c
@@ -0,0 +1,8 @@
+#include "nldbl-compat.h"
+
+int
+attribute_hidden
+__vasprintf_chk (char **result_ptr, int flag, const char *fmt, va_list ap)
+{
+ return __nldbl___vasprintf_chk (result_ptr, flag, fmt, ap);
+}
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-vdprintf_chk.c b/sysdeps/ieee754/ldbl-opt/nldbl-vdprintf_chk.c
new file mode 100644
index 0000000000..ca1ce01878
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-vdprintf_chk.c
@@ -0,0 +1,8 @@
+#include "nldbl-compat.h"
+
+int
+attribute_hidden
+__vdprintf_chk (int d, int flag, const char *fmt, va_list arg)
+{
+ return __nldbl___vdprintf_chk (d, flag, fmt, arg);
+}