From c61e9a4b8a3eb2c08585c533dd727afa9608b9e4 Mon Sep 17 00:00:00 2001
From: Markus Teich <markus.teich@stusta.mhn.de>
Date: Sun, 6 Mar 2016 20:56:29 +0100
Subject: [PATCH] Import arg.h OOB fix from Lucas Gabriel Vuotto.

This is a small fix for arg.h where it's possible to perform an out-of-boundary
memory access in argv's internal string.
---
 arg.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arg.h b/arg.h
index 4df77a7..aeab52a 100644
--- a/arg.h
+++ b/arg.h
@@ -10,8 +10,8 @@ extern char *argv0;
 
 /* use main(int argc, char *argv[]) */
 #define ARGBEGIN	for (argv0 = *argv, argv++, argc--;\
-					argv[0] && argv[0][1]\
-					&& argv[0][0] == '-';\
+					argv[0] && argv[0][0] == '-'\
+					&& argv[0][1];\
 					argc--, argv++) {\
 				char argc_;\
 				char **argv_;\