From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 5 Mar 2015 10:48:29 +0000 (+0000)
Subject: Fix an overrun in altstr_prepare.
X-Git-Tag: xonotic-v0.8.1~8^2~10
X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=commitdiff_plain;h=8c011c1f949d9fc72cb3dc70b9a6629f7789b872

Fix an overrun in altstr_prepare.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12193 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/prvm_cmds.c b/prvm_cmds.c
index 187930b2..160327ff 100644
--- a/prvm_cmds.c
+++ b/prvm_cmds.c
@@ -4435,7 +4435,7 @@ void VM_altstr_prepare(prvm_prog_t *prog)
 	instr = PRVM_G_STRING( OFS_PARM0 );
 
 	for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
-		if( *in == '\'' ) {
+		if( *in == '\'' && size > 1) {
 			*out++ = '\\';
 			*out = '\'';
 			size--;