aboutsummaryrefslogtreecommitdiff
path: root/src/bin/pg_id/pg_id.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bin/pg_id/pg_id.c')
-rw-r--r--src/bin/pg_id/pg_id.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/bin/pg_id/pg_id.c b/src/bin/pg_id/pg_id.c
new file mode 100644
index 00000000000..675326acbca
--- /dev/null
+++ b/src/bin/pg_id/pg_id.c
@@ -0,0 +1,52 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_id.c--
+ * Print the user ID for the login name passed as argument,
+ * or the real user ID of the caller if no argument. If the
+ * login name doesn't exist, print "NOUSER" and exit 1.
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ * $Header: /cvsroot/pgsql/src/bin/pg_id/Attic/pg_id.c,v 1.1.1.1 1996/07/09 06:22:14 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#include <sys/types.h>
+#include <pwd.h>
+#include <stdio.h>
+
+int
+main(int argc, char **argv)
+{
+ struct passwd *pw;
+ int ch;
+ extern int optind;
+
+ while ((ch = getopt(argc, argv, "")) != EOF)
+ switch (ch) {
+ case '?':
+ default:
+ fprintf(stderr, "usage: pg_id [login]\n");
+ exit(1);
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc > 0) {
+ if (argc > 1) {
+ fprintf(stderr, "usage: pg_id [login]\n");
+ exit(1);
+ }
+ if ((pw = getpwnam(argv[0])) == NULL) {
+ printf("NOUSER\n");
+ exit(1);
+ }
+ printf("%d\n", pw->pw_uid);
+ } else {
+ printf("%d\n", getuid());
+ }
+
+ exit(0);
+}