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-rw-r--r--debug/asprintf_chk.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/debug/asprintf_chk.c b/debug/asprintf_chk.c
index 9cd4143f2ea..eb885c35ca5 100644
--- a/debug/asprintf_chk.c
+++ b/debug/asprintf_chk.c
@@ -15,22 +15,24 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#include <libioP.h>
#include <stdarg.h>
-#include <stdio.h>
+#include <libio/libioP.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, ...)
+__asprintf_chk (char **result_ptr, int flag, const char *format, ...)
{
- va_list arg;
- int done;
+ /* 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;
+ va_list ap;
+ int ret;
- va_start (arg, format);
- done = __vasprintf_chk (result_ptr, flags, format, arg);
- va_end (arg);
+ va_start (ap, format);
+ ret = __vasprintf_internal (result_ptr, format, ap, mode);
+ va_end (ap);
- return done;
+ return ret;
}