testsuite/nsswitch/getgrnam.c

   1 /*
   2  * Lookup a group by name
   3  */
   4
   5 #include <stdio.h>
   6 #include <grp.h>
   7 #include <sys/types.h>
   8
   9 int main(int argc, char **argv)
  10 {
  11     struct group *gr;
  12
  13     /* Check args */
  14
  15     if (argc != 2) {
  16         printf("ERROR: no arg specified\n");
  17         exit(1);
  18     }
  19
  20     /* Do getgrnam() */
  21
  22     if ((gr = getgrnam(argv[1])) == NULL) {
  23         printf("FAIL: group %s does not exist\n", argv[1]);
  24         exit(1);
  25     }
  26
  27     /* Print group info */
  28
  29     printf("PASS: group %s exists\n", argv[1]);
  30     printf("gr_name = %s\n", gr->gr_name);
  31     printf("gr_passwd = %s\n", gr->gr_passwd);
  32     printf("gr_gid = %d\n", gr->gr_gid);
  33
  34     /* Group membership */
  35
  36     if (gr->gr_mem != NULL) {
  37         int i = 0;
  38
  39         printf("gr_mem = ");
  40         while(gr->gr_mem[i] != NULL) {
  41             printf("%s", gr->gr_mem[i]);
  42             i++;
  43             if (gr->gr_mem != NULL) {
  44                 printf(",");
  45             }
  46         }
  47         printf("\n");
  48     }
  49
  50     exit(0);
  51 }