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| author | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-12-02 13:20:44 +0000 |
| commit | 056abd2059c65a3e908193aeae16fad98017437c (patch) | |
| tree | 2732d02d7d51218d6eed98ac7fcfc5b8794896b5 /test/Sema/format-strings-gnu.c | |
| parent | cc73504950eb7b5dff2dded9bedd67bc36d64641 (diff) | |
| download | FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.zip FreeBSD-src-056abd2059c65a3e908193aeae16fad98017437c.tar.gz | |
Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):
http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974
Diffstat (limited to 'test/Sema/format-strings-gnu.c')
| -rw-r--r-- | test/Sema/format-strings-gnu.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/Sema/format-strings-gnu.c b/test/Sema/format-strings-gnu.c new file mode 100644 index 0000000..f491085 --- /dev/null +++ b/test/Sema/format-strings-gnu.c @@ -0,0 +1,55 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 %s +// RUN: %clang_cc1 -fsyntax-only -verify -triple thumbv6-apple-ios4.0 %s +// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-mingw32 %s +// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-pc-win32 %s + +// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-gnu -DALLOWED %s +// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-freebsd -DALLOWED %s + +int printf(const char *restrict, ...); +int scanf(const char * restrict, ...) ; + +void test() { + long notLongEnough = 1; + long long quiteLong = 2; + + printf("%Ld", notLongEnough); // expected-warning {{format specifies type 'long long' but the argument has type 'long'}} + printf("%Ld", quiteLong); + +#ifndef ALLOWED + // expected-warning@-4 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}} + // expected-note@-5 {{did you mean to use 'll'?}} + + // expected-warning@-6 {{length modifier 'L' results in undefined behavior or no effect with 'd' conversion specifier}} + // expected-note@-7 {{did you mean to use 'll'?}} +#endif +} + +void testAlwaysInvalid() { + // We should not suggest 'll' here! + printf("%Lc", 'a'); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 'c' conversion specifier}} + printf("%Ls", "a"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}} +} + +#ifdef ALLOWED +// PR 9466: clang: doesn't know about %Lu, %Ld, and %Lx +void printf_longlong(long long x, unsigned long long y) { + printf("%Ld", y); // no-warning + printf("%Lu", y); // no-warning + printf("%Lx", y); // no-warning + printf("%Ld", x); // no-warning + printf("%Lu", x); // no-warning + 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 scanf_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}} +} +#endif |
