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	arg.h - quark - quark web server
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	arg.h (2504B)
	---
	1 /*
	2 * ISC-License
	3 *
	4 * Copyright 2004-2017 Christoph Lohmann <[email protected]>
	5 * Copyright 2017-2018 Laslo Hunhold <[email protected]>
	6 *
	7 * Permission to use, copy, modify, and/or distribute this software for …
	8 * purpose with or without fee is hereby granted, provided that the above
	9 * copyright notice and this permission notice appear in all copies.
	10 *
	11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANT…
	12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE F…
	14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT …
	17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	18 */
	19 #ifndef ARG_H
	20 #define ARG_H
	21
	22 extern char *argv0;
	23
	24 /* int main(int argc, char argv[]) /
	25 #define ARGBEGIN for (argv0 = argv, argv ? (argc--, argv++) : ((void *…
	26 argv && (argv)[0] == '-' && (*argv)[1]; argc--, …
	27 int i_, argused_; …
	28 if ((argv)[1] == '-' && !(argv)[2]) { …
	29 argc--, argv++; …
	30 break; …
	31 } …
	32 for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) {…
	33 switch((*argv)[i_])
	34 #define ARGEND if (argused_) { …
	35 if ((*argv)[i_ + 1]) { …
	36 break; …
	37 } else { …
	38 argc--, argv++; …
	39 break; …
	40 } …
	41 } …
	42 } …
	43 }
	44 #define ARGC() ((*argv)[i_])
	45 #define ARGF_(x) (((argv)[i_ + 1]) ? (argused_ = 1, &((argv)[i_ + 1]))…
	46 ((argv + 1)) ? (argused_ = 1, (argv + 1)) …
	47 #define EARGF(x) ARGF_(((x), exit(1), (char *)0))
	48 #define ARGF() ARGF_((char *)0)
	49
	50 #endif