diff options
author | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2003-09-18 22:16:16 +0000 |
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committer | Federico G. Schwindt <fgsch@cvs.openbsd.org> | 2003-09-18 22:16:16 +0000 |
commit | 9d2ee097e0fadcee53d5e06d503ce30a27790c30 (patch) | |
tree | 9613213d7ca53f37ae84cee889d6c5519d9778c7 /usr.bin/whois | |
parent | 8ef35e9b63553bfaa8f26c46fb48df86d8a40af1 (diff) |
if length is 1, don't try to null memory that doesn't belong to us.
found by tedu@, ok by millert@ and him.
Diffstat (limited to 'usr.bin/whois')
-rw-r--r-- | usr.bin/whois/whois.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/usr.bin/whois/whois.c b/usr.bin/whois/whois.c index bdec7611854..0cdf6685f78 100644 --- a/usr.bin/whois/whois.c +++ b/usr.bin/whois/whois.c @@ -1,4 +1,4 @@ -/* $OpenBSD: whois.c,v 1.27 2003/06/10 22:20:54 deraadt Exp $ */ +/* $OpenBSD: whois.c,v 1.28 2003/09/18 22:16:15 fgsch Exp $ */ /* * Copyright (c) 1980, 1993 @@ -39,7 +39,7 @@ static const char copyright[] = #if 0 static const char sccsid[] = "@(#)whois.c 8.1 (Berkeley) 6/6/93"; #else -static const char rcsid[] = "$OpenBSD: whois.c,v 1.27 2003/06/10 22:20:54 deraadt Exp $"; +static const char rcsid[] = "$OpenBSD: whois.c,v 1.28 2003/09/18 22:16:15 fgsch Exp $"; #endif #endif /* not lint */ @@ -214,8 +214,8 @@ whois(const char *query, const char *server, const char *port, int flags) p = buf + len - 1; if (isspace((unsigned char)*p)) { do - *p-- = '\0'; - while (p != buf && isspace((unsigned char)*p)); + *p = '\0'; + while (p > buf && isspace((unsigned char)*--p)); } else { if ((nbuf = malloc(len + 1)) == NULL) err(1, "malloc"); |