+ /* A separator was given, but a group was not specified,
+ so get the login group. */
+ *gid = pwd->pw_gid;
+ grp = getgrgid (pwd->pw_gid);
+ if (grp == NULL)
+ {
+ /* This is enough room to hold the unsigned decimal
+ representation of any 32-bit quantity and the trailing
+ zero byte. */
+ char uint_buf[21];
+ sprintf (uint_buf, "%u", (unsigned) (pwd->pw_gid));
+ V_STRDUP (groupname, uint_buf);
+ }
+ else
+ {
+ V_STRDUP (groupname, grp->gr_name);
+ }
+ endgrent ();