1 // RUN: %clangxx_msan -O0 %s -o %t && %run %t %p 2>&1
2 // RUN: %clangxx_msan -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p 2>&1
3 // RUN: %clangxx_msan -O3 %s -o %t && %run %t %p 2>&1
4
5 #include <assert.h>
6 #include <unistd.h>
7
8 #include <sanitizer/msan_interface.h>
9
main(int argc,char * argv[])10 int main(int argc, char *argv[]) {
11 uid_t uids[6];
12 assert(0 == __msan_test_shadow(uids, 6 * sizeof(uid_t)));
13 assert(0 == getresuid(&uids[0], &uids[2], &uids[4]));
14 for (int i = 0; i < 3; i++)
15 assert(sizeof(uid_t) ==
16 __msan_test_shadow(uids + 2 * i, 2 * sizeof(uid_t)));
17
18 gid_t gids[6];
19 assert(0 == __msan_test_shadow(gids, 6 * sizeof(gid_t)));
20 assert(0 == getresgid(&gids[0], &gids[2], &gids[4]));
21 for (int i = 0; i < 3; i++)
22 assert(sizeof(gid_t) ==
23 __msan_test_shadow(gids + 2 * i, 2 * sizeof(gid_t)));
24 return 0;
25 }
26