Teach scanf/printf checking about '%Ld' and friends (a GNU extension). Fixes PR 9466.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/format-strings-scanf.c b/test/Sema/format-strings-scanf.c
index 6962a97..d89dbc4 100644
--- a/test/Sema/format-strings-scanf.c
+++ b/test/Sema/format-strings-scanf.c
@@ -103,3 +103,13 @@
scanf("%m[abc]", fp); // expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
}
+void test_longlong(long long *x, unsigned long long *y) {
+ scanf("%Ld", y); // no-warning
+ scanf("%Lu", y); // no-warning
+ scanf("%Lx", y); // no-warning
+ scanf("%Ld", x); // no-warning
+ scanf("%Lu", x); // no-warning
+ scanf("%Lx", x); // no-warning
+ scanf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
+}
+