From: Markus Teich <markus.teich@stusta.mhn.de>
Date: Sun, 6 Mar 2016 19:56:29 +0000 (+0100)
Subject: Import arg.h OOB fix from Lucas Gabriel Vuotto.
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=c61e9a4b8a3eb2c08585c533dd727afa9608b9e4;p=sent.git

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.
---

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_;\