xref: /llvm-project/compiler-rt/test/msan/strxfrm.cpp (revision 650baf22e69fff99bbfbea65edcd8e202b05fdff)
1d21b3d34SFangrui Song // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
2d21b3d34SFangrui Song 
3d21b3d34SFangrui Song #include <assert.h>
4d21b3d34SFangrui Song #include <locale.h>
5d21b3d34SFangrui Song #include <sanitizer/msan_interface.h>
6d21b3d34SFangrui Song #include <stdlib.h>
7d21b3d34SFangrui Song #include <string.h>
8d21b3d34SFangrui Song 
main(void)9d21b3d34SFangrui Song int main(void) {
10*650baf22SVitaly Buka   char q[10];
11d21b3d34SFangrui Song   size_t n = strxfrm(q, "abcdef", sizeof(q));
12d21b3d34SFangrui Song   assert(n < sizeof(q));
13d21b3d34SFangrui Song   __msan_check_mem_is_initialized(q, n + 1);
14d21b3d34SFangrui Song 
15*650baf22SVitaly Buka   locale_t loc = newlocale(LC_ALL_MASK, "C", (locale_t)0);
16d21b3d34SFangrui Song 
17d21b3d34SFangrui Song   __msan_poison(&q, sizeof(q));
18d21b3d34SFangrui Song   n = strxfrm_l(q, "qwerty", sizeof(q), loc);
19d21b3d34SFangrui Song   assert(n < sizeof(q));
20d21b3d34SFangrui Song   __msan_check_mem_is_initialized(q, n + 1);
21d21b3d34SFangrui Song   return 0;
22d21b3d34SFangrui Song }
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