xssstate

a simple utility to get the X screensaver state
git clone git://git.suckless.org/xssstate
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commit 7cbc05ec64a608a1abab780d030c6464ec02cee1
parent be0fb159e43e972d3cc1dafd23041c51b5f32086
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sat, 27 Feb 2016 23:19:12 +0100

Update arg.h to be without the out of bound bug.

Diffstat:
Marg.h | 44++++++++++++++++++++------------------------
1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/arg.h b/arg.h @@ -1,52 +1,48 @@ -/* See the LICENSE file for copyright and license details. */ +/* + * Copy me if you can. + * by 20h + */ -#ifndef __ARG_H__ -#define __ARG_H__ +#ifndef ARG_H__ +#define ARG_H__ extern char *argv0; -#define USED(x) ((void)(x)) - /* 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;\ - int brk;\ + char argc_;\ + char **argv_;\ + int brk_;\ if (argv[0][1] == '-' && argv[0][2] == '\0') {\ argv++;\ argc--;\ break;\ }\ - for (brk = 0, argv[0]++, _argv = argv;\ - argv[0][0] && !brk;\ + for (brk_ = 0, argv[0]++, argv_ = argv;\ + argv[0][0] && !brk_;\ argv[0]++) {\ - if (_argv != argv)\ + if (argv_ != argv)\ break;\ - _argc = argv[0][0];\ - switch (_argc) - + argc_ = argv[0][0];\ + switch (argc_) #define ARGEND }\ - USED(_argc);\ - }\ - USED(argv);\ - USED(argc); + } -#define ARGC() _argc +#define ARGC() argc_ #define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\ ((x), abort(), (char *)0) :\ - (brk = 1, (argv[0][1] != '\0')?\ + (brk_ = 1, (argv[0][1] != '\0')?\ (&argv[0][1]) :\ (argc--, argv++, argv[0]))) #define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\ (char *)0 :\ - (brk = 1, (argv[0][1] != '\0')?\ + (brk_ = 1, (argv[0][1] != '\0')?\ (&argv[0][1]) :\ (argc--, argv++, argv[0]))) #endif -