initial import

1 files changed, 45 insertions, 0 deletions

diff --git a/grp/testgrp.c b/grp/testgrp.c
new file mode 100644
index 0000000..109d1a4
--- /dev/null
+++ b/grp/testgrp.c
@@ -0,0 +1,45 @@
+#include <ansidecl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+DEFUN_VOID(main)
+{
+  uid_t me;
+  struct passwd *my_passwd;
+  struct group *my_group;
+  char **members;
+
+  me = getuid ();
+  my_passwd = getpwuid (me);
+  if (my_passwd == NULL)
+    perror ("getpwuid");
+  else
+    {
+      printf ("My login name is %s.\n", my_passwd->pw_name);
+      printf ("My uid is %d.\n", (int)(my_passwd->pw_uid));
+      printf ("My home directory is %s.\n", my_passwd->pw_dir);
+      printf ("My default shell is %s.\n", my_passwd->pw_shell);
+
+      my_group = getgrgid (my_passwd->pw_gid);
+      if (my_group == NULL)
+	perror ("getgrgid");
+      else
+	{
+	  printf ("My default group is %s (%d).\n",
+		  my_group->gr_name, (int)(my_passwd->pw_gid));
+	  printf ("The members of this group are:\n");
+	  for (members = my_group->gr_mem; *members != NULL; ++members)
+	    printf ("  %s\n", *members);
+	}
+    }
+
+  exit (my_passwd && my_group ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+
+