diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c')
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c b/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c index 6b6e71b78f8..f7db2e0618e 100644 --- a/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c +++ b/gcc/testsuite/gcc.c-torture/execute/builtins/fprintf.c @@ -6,6 +6,7 @@ Written by Kaveh R. Ghazi, 1/7/2001. */ #include <stdio.h> +extern int fprintf_unlocked (FILE *, const char *, ...); extern void abort(void); void @@ -15,6 +16,8 @@ main_test (void) const char *const s1 = "hello world"; const char *const s2[] = { s1, 0 }, *const*s3; + fprintf (*s_ptr, ""); + fprintf (*s_ptr, "%s", ""); fprintf (*s_ptr, "%s", "hello"); fprintf (*s_ptr, "%s", "\n"); fprintf (*s_ptr, "%s", *s2); @@ -49,4 +52,10 @@ main_test (void) /* Test at least one instance of the __builtin_ style. We do this to ensure that it works and that the prototype is correct. */ __builtin_fprintf (*s_ptr, "%s", "hello world\n"); + /* Check the unlocked style, these evaluate to nothing to avoid + problems on systems without the unlocked functions. */ + fprintf_unlocked (*s_ptr, ""); + __builtin_fprintf_unlocked (*s_ptr, ""); + fprintf_unlocked (*s_ptr, "%s", ""); + __builtin_fprintf_unlocked (*s_ptr, "%s", ""); } |
