1 #ifndef ARES_GETOPT_H 2 #define ARES_GETOPT_H 3 4 /* 5 * Copyright (c) 1987-2001 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * A. Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * B. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * C. Neither the names of the copyright holders nor the names of its 17 * contributors may be used to endorse or promote products derived from this 18 * software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS 21 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * SPDX-License-Identifier: BSD-3-Clause 33 */ 34 35 36 typedef struct { 37 const char *optarg; /* argument associated with option */ 38 int optind; /* index into parent argv vector */ 39 int opterr; /* if error message should be printed */ 40 int optopt; /* character checked for validity */ 41 const char *place; 42 int argc; 43 const char **argv; 44 } ares_getopt_state_t; 45 46 void ares_getopt_init(ares_getopt_state_t *state, int argc, const char **argv); 47 int ares_getopt(ares_getopt_state_t *state, const char *ostr); 48 49 #endif /* ARES_GETOPT_H */ 50