| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <libc-internal.h> |
| 3 | |
| 4 | static int |
| 5 | do_test (void) |
| 6 | { |
| 7 | static const char buf[] = " "; |
| 8 | char *str; |
| 9 | |
| 10 | /* GCC in C99 mode treats %a as the C99 format expecting float *, |
| 11 | but glibc with _GNU_SOURCE treats %as as the GNU allocation |
| 12 | extension, so resulting in "warning: format '%a' expects argument |
| 13 | of type 'float *', but argument 3 has type 'char **'". This |
| 14 | applies to the other %as, %aS and %a[] formats below as well. */ |
| 15 | DIAG_PUSH_NEEDS_COMMENT; |
| 16 | DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat"); |
| 17 | int r = sscanf (buf, "%as", &str); |
| 18 | DIAG_POP_NEEDS_COMMENT; |
| 19 | printf ("%d %p\n", r, str); |
| 20 | |
| 21 | return r != -1 || str != NULL; |
| 22 | } |
| 23 | |
| 24 | #define TEST_FUNCTION do_test () |
| 25 | #include "../test-skeleton.c" |