| // 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=unix.StdCLibraryFunctions \ | |
| // RUN: -analyzer-checker=unix.cstring.NullArg \ | |
| // RUN: -analyzer-config unix.StdCLibraryFunctions:ModelPOSIX=true \ | |
| // 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}} | |
| } |