From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Sema/block-printf-attribute-1.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 clang/test/Sema/block-printf-attribute-1.c (limited to 'clang/test/Sema/block-printf-attribute-1.c') diff --git a/clang/test/Sema/block-printf-attribute-1.c b/clang/test/Sema/block-printf-attribute-1.c new file mode 100644 index 0000000..dd678a5 --- /dev/null +++ b/clang/test/Sema/block-printf-attribute-1.c @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks + +#include + +int main() { + void (^b) (int arg, const char * format, ...) __attribute__ ((__format__ (__printf__, 1, 3))) = // expected-error {{format argument not a string type}} + ^ __attribute__ ((__format__ (__printf__, 1, 3))) (int arg, const char * format, ...) {}; // expected-error {{format argument not a string type}} + + void (^z) (int arg, const char * format, ...) __attribute__ ((__format__ (__printf__, 2, 3))) = ^ __attribute__ ((__format__ (__printf__, 2, 3))) (int arg, const char * format, ...) {}; + + z(1, "%s", 1); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}} + z(1, "%s", "HELLO"); // no-warning +} + +void multi_attr(va_list ap, int *x, long *y) { + // Handle block with multiple format attributes. + void (^vprintf_scanf) (const char *, va_list, const char *, ...) __attribute__((__format__(__printf__, 1, 0))) __attribute__((__format__(__scanf__, 3, 4))) = + ^ __attribute__((__format__(__printf__, 1, 0))) __attribute__((__format__(__scanf__, 3, 4))) (const char *str, va_list args, const char *fmt, ...) {}; + + vprintf_scanf("%", ap, "%d"); // expected-warning {{incomplete format specifier}}, expected-warning {{more '%' conversions than data arguments}} +} -- cgit v1.2.3