From: Andre Noll <maan@systemlinux.org>
Date: Sat, 1 Nov 2008 21:18:58 +0000 (+0100)
Subject: Fix a bug in exec_interactive_command().
X-Git-Tag: v0.0.4~20
X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=commitdiff_plain;h=38117be0e4d8d0a62f01cfe1a5702bdf358a1fea

Fix a bug in exec_interactive_command().

In case a command iwthout further options was given, p pointed one
byte after the malloced string, and this pointer is passed to the
command handler..
---

diff --git a/interactive.c b/interactive.c
index 93e4a36..191e633 100644
--- a/interactive.c
+++ b/interactive.c
@@ -99,8 +99,12 @@ static int exec_interactive_command(char *line)
 	char *p = cmd + strcspn(cmd, delim);
 	int ret = -E_SYNTAX;
 
-	*p = '\0';
-	p++;
+	if (*p == '\0')
+		p = NULL;
+	else {
+		*p = '\0';
+		p++;
+	}
 	for (i = 0; icmds[i].name; i++) {
 		ERROR_LOG("name: %s, cmd: %s.\n", icmds[i].name, cmd);
 		if (strcmp(icmds[i].name, cmd))