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| author | des <des@FreeBSD.org> | 1998-04-26 19:10:51 +0000 |
|---|---|---|
| committer | des <des@FreeBSD.org> | 1998-04-26 19:10:51 +0000 |
| commit | b7cdb32ea97447b8883d350f191123252d45c934 (patch) | |
| tree | b0380c24d7ad599d74a835c58b6e23e19c867a1f /usr.bin/who/who.c | |
| parent | 73748688878b231e077a74a859a3c8504c173ade (diff) | |
| download | FreeBSD-src-b7cdb32ea97447b8883d350f191123252d45c934.zip FreeBSD-src-b7cdb32ea97447b8883d350f191123252d45c934.tar.gz | |
Check that user really typed "who am {I,i}", and that no stray
arguments are given.
Note that usage() and the manpage disagree...
PR: bin/6294
Suggested by: Ruslan Ermilov and Bruce Evans
Submitted by: Ruslan Ermilov (partly)
Diffstat (limited to 'usr.bin/who/who.c')
| -rw-r--r-- | usr.bin/who/who.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.bin/who/who.c b/usr.bin/who/who.c index 13b6552..90cde1a 100644 --- a/usr.bin/who/who.c +++ b/usr.bin/who/who.c @@ -45,7 +45,7 @@ static const char copyright[] = static char sccsid[] = "@(#)who.c 8.1 (Berkeley) 6/6/93"; #endif static const char rcsid[] = - "$Id$"; + "$Id: who.c,v 1.5 1997/08/26 11:14:57 charnier Exp $"; #endif /* not lint */ #include <sys/types.h> @@ -90,6 +90,10 @@ main(argc, argv) output(&usr); break; case 3: /* who am i */ + if (strcmp(argv[1], "am") + || (strcmp(argv[2], "I") && strcmp(argv[2], "i"))) + usage(); + ufp = file(_PATH_UTMP); /* search through the utmp and find an entry for this tty */ |
