| #define _GNU_SOURCE 1 |
| #include <wchar.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <wctype.h> |
| #include <libc-diag.h> |
| |
| static int |
| do_test (void) |
| { |
| int result = 0; |
| char buf[100]; |
| wchar_t tmp[3]; |
| tmp[0] = '8'; |
| tmp[1] = '1'; |
| tmp[2] = 0; |
| |
| /* GCC does not know the result of wcstof so cannot see that the |
| snprintf output is not truncated. */ |
| DIAG_PUSH_NEEDS_COMMENT; |
| #if __GNUC_PREREQ (7, 0) |
| DIAG_IGNORE_NEEDS_COMMENT (7.0, "-Wformat-truncation"); |
| #endif |
| snprintf (buf, 100, "%S = %f", tmp, wcstof (tmp, NULL)); |
| DIAG_POP_NEEDS_COMMENT; |
| printf ("\"%s\" -> %s\n", buf, |
| strcmp (buf, "81 = 81.000000") == 0 ? "okay" : "buggy"); |
| result |= strcmp (buf, "81 = 81.000000") != 0; |
| |
| return result; |
| } |
| |
| #include <support/test-driver.c> |
