1 // RUN: %clangxx_msan -m64 -O0 %s -o %t && %run %t %p 2>&1 2 // RUN: %clangxx_msan -m64 -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %run %t %p 2>&1 3 // RUN: %clangxx_msan -m64 -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 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
