diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/regression/lib/libc/locale/test-mbrtowc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/regression/lib/libc/locale/test-mbrtowc.c b/tools/regression/lib/libc/locale/test-mbrtowc.c index d781f16d4428..630ae2e7ee87 100644 --- a/tools/regression/lib/libc/locale/test-mbrtowc.c +++ b/tools/regression/lib/libc/locale/test-mbrtowc.c @@ -86,6 +86,13 @@ main(int argc, char *argv[]) assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); assert(wc == L'z'); + /* Check that mbrtowc() doesn't access the buffer when n == 0. */ + wc = L'z'; + memset(&s, 0, sizeof(s)); + buf[0] = '\0'; + assert(mbrtowc(&wc, buf, 0, &s) == (size_t)-2); + assert(wc == L'z'); + /* * Japanese (EUC) locale. */ |