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34 lines
1.7 KiB
C
34 lines
1.7 KiB
C
/* 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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extern char *argv0;
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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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