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-rw-r--r--test/Sema/format-strings.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Sema/format-strings.c b/test/Sema/format-strings.c
index 9daaf3b0a5..341fd59908 100644
--- a/test/Sema/format-strings.c
+++ b/test/Sema/format-strings.c
@@ -480,3 +480,14 @@ void printf_longlong(long long x, unsigned long long y) {
printf("%Lx", x); // no-warning
printf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
}
+
+void __attribute__((format(strfmon,1,2))) monformat(const char *fmt, ...);
+void __attribute__((format(strftime,1,0))) dateformat(const char *fmt);
+
+// Other formats
+void test_other_formats() {
+ char *str = "";
+ monformat("", 1); // expected-warning{{format string is empty}}
+ dateformat(""); // expected-warning{{format string is empty}}
+ dateformat(str); // expected-warning{{format string is not a string literal (potentially insecure)}}
+}