From 2e63374f31e933e9ca62d7174f9bc85bc943500d Mon Sep 17 00:00:00 2001
From: Emanuele Giaquinta <exg@irssi.org>
Date: Sun, 2 Mar 2008 19:54:34 +0000
Subject: [PATCH] Use g_strchomp to remove trailing whitespace. This fixes an
 invalid read, when the string is empty, reported by Enrico Scholz.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4717 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/fe-common/core/fe-help.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/fe-common/core/fe-help.c b/src/fe-common/core/fe-help.c
index 76e4c6d2..09485fac 100644
--- a/src/fe-common/core/fe-help.c
+++ b/src/fe-common/core/fe-help.c
@@ -252,12 +252,10 @@ static void show_help(const char *data)
 /* SYNTAX: HELP [<command>] */
 static void cmd_help(const char *data)
 {
-	char *cmd, *ptr;
+	char *cmd;
 
 	cmd = g_strdup(data);
-	ptr = cmd+strlen(cmd);
-	while (ptr[-1] == ' ') ptr--; *ptr = '\0';
-
+	g_strchomp(cmd);
 	g_strdown(cmd);
 	show_help(cmd);
         g_free(cmd);