X-Git-Url: https://git.danieliu.xyz/?p=st.git;a=blobdiff_plain;f=arg.h;h=a22e019e36f180cec5e5bb003a924f5ec11203ad;hp=2b189fea87b22566ef8fa7eaaa3290999bd4d0fb;hb=d2b75db8d7519a20af8bf09e9c205507f9ff828c;hpb=b1813b14d956978ae8af37166b3cccc3a7b4b720 diff --git a/arg.h b/arg.h index 2b189fe..a22e019 100644 --- a/arg.h +++ b/arg.h @@ -3,53 +3,48 @@ * 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;\ - argv[0]++) {\ - if (_argv != argv)\ + int i_;\ + for (i_ = 1, brk_ = 0, argv_ = argv;\ + argv[0][i_] && !brk_;\ + i_++) {\ + if (argv_ != argv)\ break;\ - _argc = argv[0][0];\ - switch (_argc) + argc_ = argv[0][i_];\ + 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)?\ +#define EARGF(x) ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\ ((x), abort(), (char *)0) :\ - (brk = 1, (argv[0][1] != '\0')?\ - (&argv[0][1]) :\ + (brk_ = 1, (argv[0][i_+1] != '\0')?\ + (&argv[0][i_+1]) :\ (argc--, argv++, argv[0]))) -#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\ +#define ARGF() ((argv[0][i_+1] == '\0' && argv[1] == NULL)?\ (char *)0 :\ - (brk = 1, (argv[0][1] != '\0')?\ - (&argv[0][1]) :\ + (brk_ = 1, (argv[0][i_+1] != '\0')?\ + (&argv[0][i_+1]) :\ (argc--, argv++, argv[0]))) #endif -