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/format-strings-c90.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 clang/test/Sema/format-strings-c90.c (limited to 'clang/test/Sema/format-strings-c90.c') diff --git a/clang/test/Sema/format-strings-c90.c b/clang/test/Sema/format-strings-c90.c new file mode 100644 index 0000000..66ca507 --- /dev/null +++ b/clang/test/Sema/format-strings-c90.c @@ -0,0 +1,30 @@ +/* RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 -pedantic -std=c89 %s + */ + +int scanf(const char * restrict, ...); +int printf(const char *restrict, ...); + +void foo(char **sp, float *fp, int *ip) { + scanf("%as", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */ + scanf("%a[abc]", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */ + + /* TODO: Warn that the 'a' conversion specifier is a C99 feature. */ + scanf("%a", fp); + scanf("%afoobar", fp); + printf("%a", 1.0); + printf("%as", 1.0); + printf("%aS", 1.0); + printf("%a[", 1.0); + printf("%afoo", 1.0); + + scanf("%da", ip); + + /* Test argument type check for the 'a' length modifier. */ + scanf("%as", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}} + expected-warning{{'a' length modifier is not supported by ISO C}} */ + scanf("%aS", fp); /* expected-warning{{format specifies type 'wchar_t **' (aka 'int **') but the argument has type 'float *'}} + expected-warning{{'a' length modifier is not supported by ISO C}} + expected-warning{{'S' conversion specifier is not supported by ISO C}} */ + scanf("%a[abc]", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}} + expected-warning{{'a' length modifier is not supported by ISO C}} */ +} -- cgit v1.2.3