| // This test case crashes if strncasecmp is modeled in StdCLibraryFunctions. |
| // Either we fix CStringChecker to handle the call prerequisites in |
| // checkPreCall, or we must not evaluate any pure functions in |
| // StdCLibraryFunctions that are also handled in CStringChecker. |
| |
| // RUN: %clang_analyze_cc1 %s \ |
| // RUN: -analyzer-checker=core \ |
| // RUN: -analyzer-checker=apiModeling.StdCLibraryFunctions \ |
| // RUN: -analyzer-checker=unix.cstring.NullArg \ |
| // RUN: -analyzer-config apiModeling.StdCLibraryFunctions:ModelPOSIX=true \ |
| // RUN: -analyzer-checker=alpha.unix.StdCLibraryFunctionArgs \ |
| // RUN: -triple x86_64-unknown-linux-gnu \ |
| // RUN: -verify |
| |
| typedef __typeof(sizeof(int)) size_t; |
| int strncasecmp(const char *s1, const char *s2, size_t n); |
| |
| int strncasecmp_null_argument(char *a, size_t n) { |
| char *b = 0; |
| return strncasecmp(a, b, n); // expected-warning{{Null pointer passed as 2nd argument to string comparison function}} |
| } |
