diff options
| author | Ted Kremenek <kremenek@apple.com> | 2007-10-12 20:51:52 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2007-10-12 20:51:52 +0000 |
| commit | 580b664e9c2acd3bffddfea79b1ce2863cfd9dd0 (patch) | |
| tree | 787c494c41ab1c4186a0df6d69eecf70463b9c0e /test/Sema/format-strings.c | |
| parent | 3457e8cbaa8a6fec5d69173450655fe0bc38634b (diff) | |
Added notion of '*' specified format width/specifiers when checking
printf format strings. Added type checking to see if the matching
width/precision argument was of type 'int'.
Thanks to Anders Carlsson for reporting this missing feature.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42933 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Sema/format-strings.c')
| -rw-r--r-- | test/Sema/format-strings.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Sema/format-strings.c b/test/Sema/format-strings.c index 8b3be6856b..2222f79608 100644 --- a/test/Sema/format-strings.c +++ b/test/Sema/format-strings.c @@ -61,3 +61,11 @@ void check_wide_string(char* b, ...) printf(L"foo %d",2); // expected-warning {{should not be a wide string}} vasprintf(&b,L"bar %d",2); // expected-warning {{should not be a wide string}} } + +void check_asterisk_precision_width(int x) { + printf("%*d"); // expected-warning {{'*' specified field width is missing a matching 'int' argument}} + printf("%.*d"); // expected-warning {{'.*' specified field precision is missing a matching 'int' argument}} + printf("%*d",12,x); // no-warning + printf("%*d","foo",x); // expected-warning {{field width should have type 'int', but argument has type 'char *'}} + printf("%.*d","foo",x); // expected-warning {{field precision should have type 'int', but argument has type 'char *'}} +}
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