diff options
Diffstat (limited to 'test/SemaCXX/format-strings.cpp')
| -rw-r--r-- | test/SemaCXX/format-strings.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/SemaCXX/format-strings.cpp b/test/SemaCXX/format-strings.cpp index 8b0b00d04e..456167dfc9 100644 --- a/test/SemaCXX/format-strings.cpp +++ b/test/SemaCXX/format-strings.cpp @@ -39,3 +39,14 @@ void h(int *i) { printf(foo.gettext("%d"), i); // expected-warning{{format specifies type 'int' but the argument has type 'int *'}} printf(Foo::gettext_static("%d"), i); // expected-warning{{format specifies type 'int' but the argument has type 'int *'}} } + +// Test handling __null for format string literal checking. +extern "C" { + int test_null_format(const char *format, ...) __attribute__((__format__ (__printf__, 1, 2))); +} + +void rdar8269537(const char *f) +{ + test_null_format(__null); // no-warning + test_null_format(f); // expected-warning {{not a string literal}} +} |