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| author | Ted Kremenek <kremenek@apple.com> | 2010-08-24 22:24:51 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2010-08-24 22:24:51 +0000 |
| commit | 9325eaf08fcccbc0d038e703f570c64daacdaa31 (patch) | |
| tree | 3fe0fad021235b1707690aa05f1b0ceabe5f5cde /test/Sema/format-strings.c | |
| parent | 4020f8703a8822fe0d4efe4a0dc74f0b8040bd9f (diff) | |
Fix printf format string checking for '%lc' (which expects a wint_t or compatible argument). Fixes PR 7981.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111978 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema/format-strings.c')
| -rw-r--r-- | test/Sema/format-strings.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Sema/format-strings.c b/test/Sema/format-strings.c index 080e4dbeb5..2325454c0b 100644 --- a/test/Sema/format-strings.c +++ b/test/Sema/format-strings.c @@ -286,3 +286,18 @@ void bug7377_bad_length_mod_usage() { printf("%-0f", 1.23); // expected-warning{{flag '0' is ignored when flag '-' is present}} printf("%-+f", 1.23); // no-warning } + +// PR 7981 - handle '%lc' (wint_t) +#ifndef wint_t +typedef int __darwin_wint_t; +typedef __darwin_wint_t wint_t; +#endif + +void pr7981(wint_t c, wchar_t c2) { + printf("%lc", c); // no-warning + printf("%lc", 1.0); // expected-warning{{the argument has type 'double'}} + printf("%lc", (char) 1); // no-warning + printf("%lc", &c); // expected-warning{{the argument has type 'wint_t *' (aka 'int *')}} + printf("%lc", c2); // no-warning +} + |