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.
2016-03-06 20:56:29 +01:00 · 2016-03-06 20:56:29 +01:00 · c61e9a4b8a
commit c61e9a4b8a
parent b954ed4b9f
1 changed files with 2 additions and 2 deletions
--- 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_;\