return res;
}
-INTERCEPTOR(int, mbrtowc, wchar_t *dest, const char *src, SIZE_T n, void *ps) {
+INTERCEPTOR(SIZE_T, mbrtowc, wchar_t *dest, const char *src, SIZE_T n,
+ void *ps) {
ENSURE_MSAN_INITED();
SIZE_T res = REAL(mbrtowc)(dest, src, n, ps);
if (res != (SIZE_T)-1 && dest) __msan_unpoison(dest, sizeof(wchar_t));
}
TEST(MemorySanitizer, mbrtowc) {
- const char *x = "abc";
- wchar_t wx;
- mbstate_t mbs;
- memset(&mbs, 0, sizeof(mbs));
- int res = mbrtowc(&wx, x, 3, &mbs);
- EXPECT_GT(res, 0);
- EXPECT_NOT_POISONED(wx);
+ mbstate_t mbs = {};
+
+ wchar_t wc;
+ size_t res = mbrtowc(&wc, "\377", 1, &mbs);
+ EXPECT_EQ(res, -1ULL);
+
+ res = mbrtowc(&wc, "abc", 3, &mbs);
+ EXPECT_GT(res, 0ULL);
+ EXPECT_NOT_POISONED(wc);
}
TEST(MemorySanitizer, wcsftime) {