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63 lines
1.2 KiB
63 lines
1.2 KiB
/* |
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* Copy me if you can. |
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* by 20h |
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*/ |
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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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/* 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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/* Handles obsolete -NUM syntax */ |
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#define ARGNUM case '0':\ |
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case '1':\ |
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case '2':\ |
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case '3':\ |
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case '4':\ |
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case '5':\ |
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case '6':\ |
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case '7':\ |
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case '8':\ |
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case '9' |
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#define ARGEND }\ |
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} |
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#define ARGC() argc_ |
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#define ARGNUMF(base) (brk_ = 1, estrtol(argv[0], (base))) |
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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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#endif
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