1 /* 2 * ***************************************************************************** 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2018-2021 Gavin D. Howard and contributors. 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 * * Redistributions of source code must retain the above copyright notice, this 12 * list of conditions and the following disclaimer. 13 * 14 * * Redistributions in binary form must reproduce the above copyright notice, 15 * this list of conditions and the following disclaimer in the documentation 16 * and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 * 30 * ***************************************************************************** 31 * 32 * Adapted from https://github.com/skeeto/optparse 33 * 34 * ***************************************************************************** 35 * 36 * Definitions for getopt_long() replacement. 37 * 38 */ 39 40 #ifndef BC_OPT_H 41 #define BC_OPT_H 42 43 #include <stdbool.h> 44 45 typedef struct BcOpt { 46 char **argv; 47 size_t optind; 48 int optopt; 49 int subopt; 50 char *optarg; 51 } BcOpt; 52 53 typedef enum BcOptType { 54 BC_OPT_NONE, 55 BC_OPT_REQUIRED, 56 BC_OPT_BC_ONLY, 57 BC_OPT_DC_ONLY, 58 } BcOptType; 59 60 typedef struct BcOptLong { 61 const char *name; 62 BcOptType type; 63 int val; 64 } BcOptLong; 65 66 void bc_opt_init(BcOpt *o, char **argv); 67 68 int bc_opt_parse(BcOpt *o, const BcOptLong *longopts); 69 70 #define BC_OPT_ISDASHDASH(a) \ 71 ((a) != NULL && (a)[0] == '-' && (a)[1] == '-' && (a)[2] == '\0') 72 73 #define BC_OPT_ISSHORTOPT(a) \ 74 ((a) != NULL && (a)[0] == '-' && (a)[1] != '-' && (a)[1] != '\0') 75 76 #define BC_OPT_ISLONGOPT(a) \ 77 ((a) != NULL && (a)[0] == '-' && (a)[1] == '-' && (a)[2] != '\0') 78 79 #endif // BC_OPT_H 80