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-rw-r--r--debug/vsprintf_chk.c69
1 files changed, 7 insertions, 62 deletions
diff --git a/debug/vsprintf_chk.c b/debug/vsprintf_chk.c
index 53f07236ae5..c1b1a8da4f8 100644
--- a/debug/vsprintf_chk.c
+++ b/debug/vsprintf_chk.c
@@ -15,75 +15,20 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#include <stdarg.h>
-#include <stdio.h>
-#include "../libio/libioP.h"
-#include "../libio/strfile.h"
-
-
-static int _IO_str_chk_overflow (FILE *fp, int c) __THROW;
-
-static int
-_IO_str_chk_overflow (FILE *fp, int c)
-{
- /* When we come to here this means the user supplied buffer is
- filled. */
- __chk_fail ();
-}
-
-
-static const struct _IO_jump_t _IO_str_chk_jumps libio_vtable =
-{
- JUMP_INIT_DUMMY,
- JUMP_INIT(finish, _IO_str_finish),
- JUMP_INIT(overflow, _IO_str_chk_overflow),
- JUMP_INIT(underflow, _IO_str_underflow),
- JUMP_INIT(uflow, _IO_default_uflow),
- JUMP_INIT(pbackfail, _IO_str_pbackfail),
- JUMP_INIT(xsputn, _IO_default_xsputn),
- JUMP_INIT(xsgetn, _IO_default_xsgetn),
- JUMP_INIT(seekoff, _IO_str_seekoff),
- JUMP_INIT(seekpos, _IO_default_seekpos),
- JUMP_INIT(setbuf, _IO_default_setbuf),
- JUMP_INIT(sync, _IO_default_sync),
- JUMP_INIT(doallocate, _IO_default_doallocate),
- JUMP_INIT(read, _IO_default_read),
- JUMP_INIT(write, _IO_default_write),
- JUMP_INIT(seek, _IO_default_seek),
- JUMP_INIT(close, _IO_default_close),
- JUMP_INIT(stat, _IO_default_stat),
- JUMP_INIT(showmanyc, _IO_default_showmanyc),
- JUMP_INIT(imbue, _IO_default_imbue)
-};
-
+#include <libio/libioP.h>
int
-___vsprintf_chk (char *s, int flags, size_t slen, const char *format,
- va_list args)
+___vsprintf_chk (char *s, int flag, size_t slen, const char *format,
+ va_list ap)
{
- _IO_strfile f;
- int ret;
-#ifdef _IO_MTSAFE_IO
- f._sbf._f._lock = NULL;
-#endif
+ /* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+ can only come from read-only format strings. */
+ unsigned int mode = (flag > 0) ? PRINTF_FORTIFY : 0;
if (slen == 0)
__chk_fail ();
- _IO_no_init (&f._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
- _IO_JUMPS (&f._sbf) = &_IO_str_chk_jumps;
- s[0] = '\0';
- _IO_str_init_static_internal (&f, s, slen - 1, s);
-
- /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
- can only come from read-only format strings. */
- if (flags > 0)
- f._sbf._f._flags2 |= _IO_FLAGS2_FORTIFY;
-
- ret = __vfprintf_internal (&f._sbf._f, format, args, 0);
-
- *f._sbf._f._IO_write_ptr = '\0';
- return ret;
+ return __vsprintf_internal (s, slen, format, ap, mode);
}
ldbl_hidden_def (___vsprintf_chk, __vsprintf_chk)
ldbl_strong_alias (___vsprintf_chk, __vsprintf_chk)