arg.h: fixed argv checks order - ubase - suckless linux base utils
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---
(DIR) commit 0e7ab0ca9e1769d9c5e004378f14c9a7daf4e343
(DIR) parent ac4fcddd50aba673e38563a69b7a8e5a20ef28e8
(HTM) Author: Lucas Gabriel Vuotto <l.vuotto92@gmail.com>
Date: Mon, 22 Feb 2016 11:03:36 -0300
arg.h: fixed argv checks order
This prevents accessing to a potentially out-of-bounds memory section.
Signed-off-by: Lucas Gabriel Vuotto <l.vuotto92@gmail.com>
Diffstat:
M arg.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
---
(DIR) diff --git 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_;\