From: cloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sat, 26 Sep 2020 21:11:37 +0000 (+0000)
Subject: cmd: Fix buffer overflow in cbuf causing Steel Storm crash if the gamedir is the... 
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=0a430b51805bc080eaaa96beb5b3ecbc6514cfd9;p=xonotic%2Fdarkplaces.git

cmd: Fix buffer overflow in cbuf causing Steel Storm crash if the gamedir is the same as the homedir

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12950 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/cmd.c b/cmd.c
index 34a5da43..6ef52f52 100644
--- a/cmd.c
+++ b/cmd.c
@@ -290,10 +290,10 @@ static size_t Cmd_ParseInput (cmd_input_t **output, char **input)
 
 		(*output)->length += cmdsize;
 
-		if((*output)->size < (*output)->length + 1)
+		if((*output)->size < (*output)->length)
 		{
 			(*output)->text = (char *)Mem_Realloc(cbuf_mempool, (*output)->text, (*output)->length + 1);
-			(*output)->size = (*output)->length + 1;
+			(*output)->size = (*output)->length;
 		}
 
 		strlcpy(&(*output)->text[offset], &(*input)[start], cmdsize + 1);