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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 | 5f0c066062af99e6d147cafa99acdf016ea3afa4 (patch) | |
| tree | f240becce2be7121e2167113cfcf06a12739bb2b /clang/test/Sema/format-strings.c | |
| parent | e0fd5a9299d96568023d0685e1232cc8c03b325f (diff) | |
| download | bcm5719-llvm-5f0c066062af99e6d147cafa99acdf016ea3afa4.tar.gz bcm5719-llvm-5f0c066062af99e6d147cafa99acdf016ea3afa4.zip | |
Fix printf format string checking for '%lc' (which expects a wint_t or compatible argument). Fixes PR 7981.
llvm-svn: 111978
Diffstat (limited to 'clang/test/Sema/format-strings.c')
| -rw-r--r-- | clang/test/Sema/format-strings.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/clang/test/Sema/format-strings.c b/clang/test/Sema/format-strings.c index 080e4dbeb52..2325454c0b7 100644 --- a/clang/test/Sema/format-strings.c +++ b/clang/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 +} + |
