1 /* 2 * ***************************************************************************** 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2018-2024 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 * Definitions for processing command-line arguments. 33 * 34 */ 35 36 #ifndef BC_ARGS_H 37 #define BC_ARGS_H 38 39 #include <status.h> 40 #include <opt.h> 41 #include <vm.h> 42 43 /** 44 * Processes command-line arguments. 45 * @param argc How many arguments there are. 46 * @param argv The array of arguments. 47 * @param exit_exprs True if bc/dc should exit when there are expressions, 48 * false otherwise. 49 * @param scale A pointer to return the scale that the arguments set, if 50 * any. 51 * @param ibase A pointer to return the ibase that the arguments set, if 52 * any. 53 * @param obase A pointer to return the obase that the arguments set, if 54 * any. 55 */ 56 void 57 bc_args(int argc, const char* argv[], bool exit_exprs, BcBigDig* scale, 58 BcBigDig* ibase, BcBigDig* obase); 59 60 #if BC_ENABLED 61 62 #if DC_ENABLED 63 64 /// Returns true if the banner should be quieted. 65 #define BC_ARGS_SHOULD_BE_QUIET (BC_IS_DC || vm->exprs.len > 1) 66 67 #else // DC_ENABLED 68 69 /// Returns true if the banner should be quieted. 70 #define BC_ARGS_SHOULD_BE_QUIET (vm->exprs.len > 1) 71 72 #endif // DC_ENABLED 73 74 #else // BC_ENABLED 75 76 /// Returns true if the banner should be quieted. 77 #define BC_ARGS_SHOULD_BE_QUIET (BC_IS_DC) 78 79 #endif // BC_ENABLED 80 81 // A reference to the list of long options. 82 extern const BcOptLong bc_args_lopt[]; 83 84 #endif // BC_ARGS_H 85