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| author | Ted Kremenek <kremenek@apple.com> | 2012-01-24 21:29:54 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2012-01-24 21:29:54 +0000 |
| commit | 9d24c2cbd9cf1b7c165ccb13221f2efb2f4b49b0 (patch) | |
| tree | ae2f66b9892e30f437bce30dc9bc7266319efa8b /test/Sema/format-strings.c | |
| parent | 32d4abf2d1396b4434917320872a970415c08e6e (diff) | |
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
Diffstat (limited to 'test/Sema/format-strings.c')
| -rw-r--r-- | test/Sema/format-strings.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Sema/format-strings.c b/test/Sema/format-strings.c index e32ad245e3..9daaf3b0a5 100644 --- a/test/Sema/format-strings.c +++ b/test/Sema/format-strings.c @@ -469,3 +469,14 @@ void pr9751() { // when the original string is within the argument expression. printf(1 ? "yes %d" : "no %d"); // expected-warning 2{{more '%' conversions than data arguments}} } + +// 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}} +} |