mirror of
https://github.com/DreamMaoMao/maomaowm.git
synced 2025-11-03 09:01:47 -05:00
66 lines
3.1 KiB
C
66 lines
3.1 KiB
C
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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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#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 \
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for (argv0 = *argv, argv++, argc--; \
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argv[0] && argv[0][0] == '-' && argv[0][1]; 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; 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 \
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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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}
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#define ARGC() argc_
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#define ARGNUMF() (brk_ = 1, estrtonum(argv[0], 0, INT_MAX))
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#define EARGF(x) \
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((argv[0][1] == '\0' && argv[1] == NULL) \
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? ((x), abort(), (char *)0) \
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: (brk_ = 1, \
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(argv[0][1] != '\0') ? (&argv[0][1]) : (argc--, argv++, argv[0])))
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#define ARGF() \
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((argv[0][1] == '\0' && argv[1] == NULL) \
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? (char *)0 \
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: (brk_ = 1, \
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(argv[0][1] != '\0') ? (&argv[0][1]) : (argc--, argv++, argv[0])))
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#define LNGARG() &argv[0][0]
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#endif
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