test/src/showids.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <sys/types.h>
   4
   5 int main(void)
   6 {
   7 int count, i;
   8 gid_t grouplist[100];
   9
  10 printf("uid=%d gid=%d euid=%d egid=%d\n",
  11   getuid(), getgid(), geteuid(), getegid());
  12
  13 /* Can no longer use this because on different systems, the supplemental
  14 groups will be different. */
  15
  16 #ifdef NEVER
  17 printf("supplemental groups: ");
  18 count = getgroups(100, grouplist);
  19 for (i = 0; i < count; i++) printf("%d ", grouplist[i]);
  20 printf("\n");
  21 #endif
  22
  23 return 0;
  24 }