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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Sema/format-strings-c90.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Sema/format-strings-c90.c')
-rw-r--r-- | clang/test/Sema/format-strings-c90.c | 30 |
1 files changed, 30 insertions, 0 deletions
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}} */ +} |