diff options
Diffstat (limited to 'REORG.TODO/stdio-common/bug21.c')
-rw-r--r-- | REORG.TODO/stdio-common/bug21.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/bug21.c b/REORG.TODO/stdio-common/bug21.c new file mode 100644 index 0000000000..7a8c6a3542 --- /dev/null +++ b/REORG.TODO/stdio-common/bug21.c @@ -0,0 +1,25 @@ +#include <stdio.h> +#include <libc-diag.h> + +static int +do_test (void) +{ + static const char buf[] = " "; + char *str; + + /* GCC in C99 mode treats %a as the C99 format expecting float *, + but glibc with _GNU_SOURCE treats %as as the GNU allocation + extension, so resulting in "warning: format '%a' expects argument + of type 'float *', but argument 3 has type 'char **'". This + applies to the other %as, %aS and %a[] formats below as well. */ + DIAG_PUSH_NEEDS_COMMENT; + DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat"); + int r = sscanf (buf, "%as", &str); + DIAG_POP_NEEDS_COMMENT; + printf ("%d %p\n", r, str); + + return r != -1 || str != NULL; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |