1// RUN: %clang %s -o %t && %run %t 2>&1
2
3// There's no interceptor for strcasestr on Windows
4// XFAIL: target={{.*windows-msvc.*}}
5
6#define _GNU_SOURCE
7#include <assert.h>
8#include <string.h>
9int main(int argc, char **argv) {
10 char *r = 0;
11 char s1[] = "aB";
12 char s2[] = "b";
13 r = strcasestr(haystack: s1, needle: s2);
14 assert(r == s1 + 1);
15 return 0;
16}
17

source code of compiler-rt/test/sanitizer_common/TestCases/strcasestr.c