arg.h: fixed argv checks order - ubase - suckless linux base utils | |
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--- | |
commit 0e7ab0ca9e1769d9c5e004378f14c9a7daf4e343 | |
parent ac4fcddd50aba673e38563a69b7a8e5a20ef28e8 | |
Author: Lucas Gabriel Vuotto <[email protected]> | |
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 <[email protected]> | |
Diffstat: | |
M arg.h | 4 ++-- | |
1 file changed, 2 insertions(+), 2 deletions(-) | |
--- | |
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_;\ |