diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c new file mode 100644 index 000000000..0993fbc19 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-85.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +typedef __SIZE_TYPE__ size_t; +extern void __chk_fail (void); +extern int snprintf (char *, size_t, const char *, ...); +extern inline __attribute__((gnu_inline, always_inline)) int snprintf (char *a, size_t b, const char *fmt, ...) +{ + if (__builtin_object_size (a, 0) != -1UL && __builtin_object_size (a, 0) < b) + __chk_fail (); + return __builtin_snprintf (a, b, fmt, __builtin_va_arg_pack ()); +} +extern int snprintf (char *, size_t, const char *, ...) __asm ("mysnprintf"); + +char buf[10]; + +int +main (void) +{ + snprintf (buf, 10, "%d%d\n", 10, 10); + return 0; +} + +/* { dg-final { scan-assembler "mysnprintf" } } */ +/* { dg-final { scan-assembler-not "__chk_fail" } } */ |