[src/trunk]: src/usr.bin/id Print the correct usage message for whoami(1) and...

[peter <peter%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b572a2f6d796
branches:  trunk
changeset: 571407:b572a2f6d796
user:      peter <peter%NetBSD.org@localhost>
date:      Mon Nov 22 17:21:36 2004 +0000

description:
Print the correct usage message for whoami(1) and groups(1).

ok wiz@

diffstat:

 usr.bin/id/id.c |  19 +++++++++++++------
 1 files changed, 13 insertions(+), 6 deletions(-)

diffs (35 lines):

diff -r 7d1c456ba80e -r b572a2f6d796 usr.bin/id/id.c
--- a/usr.bin/id/id.c   Mon Nov 22 17:20:02 2004 +0000
+++ b/usr.bin/id/id.c   Mon Nov 22 17:21:36 2004 +0000
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)id.c       8.3 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: id.c,v 1.21 2004/11/19 14:18:01 peter Exp $");
+__RCSID("$NetBSD: id.c,v 1.22 2004/11/22 17:21:36 peter Exp $");
 #endif
 #endif /* not lint */
 
@@ -334,10 +334,17 @@
 void
 usage()
 {
-       (void)fprintf(stderr, "usage: id [user]\n");
-       (void)fprintf(stderr, "       id -G [-n] [user]\n");
-       (void)fprintf(stderr, "       id -g [-nr] [user]\n");
-       (void)fprintf(stderr, "       id -p [user]\n");
-       (void)fprintf(stderr, "       id -u [-nr] [user]\n");
+
+       if (strcmp(getprogname(), "groups") == 0) {
+               (void)fprintf(stderr, "usage: groups [user]\n");
+       } else if (strcmp(getprogname(), "whoami") == 0) {
+               (void)fprintf(stderr, "usage: whoami\n");
+       } else {
+               (void)fprintf(stderr, "usage: id [user]\n");
+               (void)fprintf(stderr, "       id -G [-n] [user]\n");
+               (void)fprintf(stderr, "       id -g [-nr] [user]\n");
+               (void)fprintf(stderr, "       id -p [user]\n");
+               (void)fprintf(stderr, "       id -u [-nr] [user]\n");
+       }
        exit(1);
 }