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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>
This commit is contained in:
Lucas Gabriel Vuotto 2016-02-22 11:03:36 -03:00 committed by sin
parent ac4fcddd50
commit 0e7ab0ca9e
1 changed files with 2 additions and 2 deletions
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4
arg.h
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@ -10,8 +10,8 @@ extern char *argv0;
/* use main(int argc, char *argv[]) */ /* use main(int argc, char *argv[]) */
#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ #define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
argv[0] && argv[0][1]\ argv[0] && argv[0][0] == '-'\
&& argv[0][0] == '-';\ && argv[0][1];\
argc--, argv++) {\ argc--, argv++) {\
char argc_;\ char argc_;\
char **argv_;\ char **argv_;\