From: Karel Zak <kzak@redhat.com>
Date: Tue, 6 Mar 2007 12:14:52 +0000 (+0100)
Subject: look: fix problem with !isalnum() words
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dab737cc42a844e439b58562804f4ce60689c792;p=util-linux

look: fix problem with !isalnum() words

for example "$ look apple-pie"

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/misc-utils/look.c b/misc-utils/look.c
index f7bcc16e..7ffd8a3e 100644
--- a/misc-utils/look.c
+++ b/misc-utils/look.c
@@ -327,9 +327,12 @@ compare(char *s2, char *s2end) {
 	/* copy, ignoring things that should be ignored */
 	p = comparbuf;
 	i = stringlen;
-	while(s2 < s2end && *s2 != '\n' && i--) {
+	while(s2 < s2end && *s2 != '\n' && i) {
 		if (!dflag || isalnum(*s2))
+		{
 			*p++ = *s2;
+			i--;
+		}
 		s2++;
 	}
 	*p = 0;
diff --git a/tests/expected/ts-look-separator b/tests/expected/ts-look-separator
index e69de29b..8c19d036 100644
--- a/tests/expected/ts-look-separator
+++ b/tests/expected/ts-look-separator
@@ -0,0 +1 @@
+apple-pie