lib/msan/lit_tests/scandir_null.cc

   1 // RUN: %clangxx_msan -m64 -O0 %s -o %t && %t %p
   2 // RUN: %clangxx_msan -m64 -O0 -D_FILE_OFFSET_BITS=64 %s -o %t && %t %p
   3 // RUN: %clangxx_msan -m64 -O3 %s -o %t && %t %p
   4
   5 #include <assert.h>
   6 #include <glob.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <errno.h>
  11
  12 #include <sys/stat.h>
  13 #include <sys/types.h>
  14 #include <dirent.h>
  15 #include <unistd.h>
  16
  17 #include <sanitizer/msan_interface.h>
  18
  19
  20 int main(int argc, char *argv[]) {
  21   assert(argc == 2);
  22   char buf[1024];
  23   snprintf(buf, sizeof(buf), "%s/%s", argv[1], "scandir_test_root/");
  24
  25   struct dirent **d;
  26   int res = scandir(buf, &d, NULL, NULL);
  27   assert(res >= 3);
  28   assert(__msan_test_shadow(&d, sizeof(*d)) == (size_t)-1);
  29   for (int i = 0; i < res; ++i) {
  30     assert(__msan_test_shadow(&d[i], sizeof(d[i])) == (size_t)-1);
  31     assert(__msan_test_shadow(d[i], d[i]->d_reclen) == (size_t)-1);
  32   }
  33   return 0;
  34 }