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@@ -1,55 +1,34 @@ |
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/* |
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* Copy me if you can. |
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* by 20h |
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*/ |
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/* See LICENSE file for copyright and license details. */ |
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#ifndef __ARG_H__ |
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#define __ARG_H__ |
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#ifndef ARG_H |
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#define ARG_H |
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extern char *argv0; |
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extern char *argv0; |
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#define USED(x) ((void)(x)) |
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/* use main(int argc, char *argv[]) */ |
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#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\ |
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argv[0] && argv[0][1]\ |
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&& argv[0][0] == '-';\ |
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argc--, argv++) {\ |
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char _argc;\ |
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char **_argv;\ |
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int brk;\ |
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if (argv[0][1] == '-' && argv[0][2] == '\0') {\ |
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argv++;\ |
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argc--;\ |
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break;\ |
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}\ |
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for (brk = 0, argv[0]++, _argv = argv;\ |
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argv[0][0] && !brk;\ |
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argv[0]++) {\ |
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if (_argv != argv)\ |
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break;\ |
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_argc = argv[0][0];\ |
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switch (_argc) |
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#define ARGEND }\ |
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USED(_argc);\ |
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}\ |
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USED(argv);\ |
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USED(argc); |
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#define ARGC() _argc |
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#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\ |
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((x), abort(), (char *)0) :\ |
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(brk = 1, (argv[0][1] != '\0')?\ |
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(&argv[0][1]) :\ |
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(argc--, argv++, argv[0]))) |
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#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\ |
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(char *)0 :\ |
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(brk = 1, (argv[0][1] != '\0')?\ |
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(&argv[0][1]) :\ |
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(argc--, argv++, argv[0]))) |
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/* int main(int argc, char *argv[]) */ |
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#define ARGBEGIN for (argv0 = *argv, *argv ? (argc--, argv++) : ((void *)0); \ |
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*argv && (*argv)[0] == '-' && (*argv)[1]; argc--, argv++) { \ |
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int i_, argused_; \ |
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if ((*argv)[1] == '-' && !(*argv)[2]) { \ |
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argc--, argv++; \ |
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break; \ |
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} \ |
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for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) { \ |
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switch((*argv)[i_]) |
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#define ARGEND if (argused_) { \ |
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if ((*argv)[i_ + 1]) { \ |
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break; \ |
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} else { \ |
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argc--, argv++; \ |
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break; \ |
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} \ |
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} \ |
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} \ |
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} |
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#define ARGC() ((*argv)[i_]) |
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#define ARGF_(x) (((*argv)[i_ + 1]) ? (argused_ = 1, &((*argv)[i_ + 1])) : \ |
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(*(argv + 1)) ? (argused_ = 1, *(argv + 1)) : (x)) |
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#define EARGF(x) ARGF_(((x), exit(1), (char *)0)) |
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#define ARGF() ARGF_((char *)0) |
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#endif |
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#endif |
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