From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 4 Jul 2012 12:37:08 +0000 (+0100)
Subject: [cmdline] Do not ignore empty initial arguments in concat_args()
X-Git-Tag: v1.20.1~1727
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3d197a5296027899f51c1df573e2f8709295d65;p=thirdparty%2Fipxe.git

[cmdline] Do not ignore empty initial arguments in concat_args()

Reported-by: Oliver Rath <rath@mglug.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/core/exec.c b/src/core/exec.c
index 49261194d..139cf7a84 100644
--- a/src/core/exec.c
+++ b/src/core/exec.c
@@ -358,7 +358,7 @@ char * concat_args ( char **args ) {
 	ptr = string;
 	for ( arg = args ; *arg ; arg++ ) {
 		ptr += sprintf ( ptr, "%s%s",
-				 ( ( ptr == string ) ? "" : " " ), *arg );
+				 ( ( arg == args ) ? "" : " " ), *arg );
 	}
 	assert ( ptr < ( string + len ) );