getopt.c revision 1.1.1.2.4.2
1 1.1.1.2.4.2 rmind 2 1.1.1.2.4.2 rmind /****************************************************************************** 3 1.1.1.2.4.2 rmind * 4 1.1.1.2.4.2 rmind * Module Name: getopt 5 1.1.1.2.4.2 rmind * 6 1.1.1.2.4.2 rmind *****************************************************************************/ 7 1.1.1.2.4.2 rmind 8 1.1.1.2.4.2 rmind /* 9 1.1.1.2.4.2 rmind * Copyright (C) 2000 - 2011, Intel Corp. 10 1.1.1.2.4.2 rmind * All rights reserved. 11 1.1.1.2.4.2 rmind * 12 1.1.1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 13 1.1.1.2.4.2 rmind * modification, are permitted provided that the following conditions 14 1.1.1.2.4.2 rmind * are met: 15 1.1.1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 16 1.1.1.2.4.2 rmind * notice, this list of conditions, and the following disclaimer, 17 1.1.1.2.4.2 rmind * without modification. 18 1.1.1.2.4.2 rmind * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 1.1.1.2.4.2 rmind * substantially similar to the "NO WARRANTY" disclaimer below 20 1.1.1.2.4.2 rmind * ("Disclaimer") and any redistribution must be conditioned upon 21 1.1.1.2.4.2 rmind * including a substantially similar Disclaimer requirement for further 22 1.1.1.2.4.2 rmind * binary redistribution. 23 1.1.1.2.4.2 rmind * 3. Neither the names of the above-listed copyright holders nor the names 24 1.1.1.2.4.2 rmind * of any contributors may be used to endorse or promote products derived 25 1.1.1.2.4.2 rmind * from this software without specific prior written permission. 26 1.1.1.2.4.2 rmind * 27 1.1.1.2.4.2 rmind * Alternatively, this software may be distributed under the terms of the 28 1.1.1.2.4.2 rmind * GNU General Public License ("GPL") version 2 as published by the Free 29 1.1.1.2.4.2 rmind * Software Foundation. 30 1.1.1.2.4.2 rmind * 31 1.1.1.2.4.2 rmind * NO WARRANTY 32 1.1.1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 1.1.1.2.4.2 rmind * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 1.1.1.2.4.2 rmind * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35 1.1.1.2.4.2 rmind * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 1.1.1.2.4.2 rmind * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 1.1.1.2.4.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 1.1.1.2.4.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 1.1.1.2.4.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 1.1.1.2.4.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41 1.1.1.2.4.2 rmind * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 1.1.1.2.4.2 rmind * POSSIBILITY OF SUCH DAMAGES. 43 1.1.1.2.4.2 rmind */ 44 1.1.1.2.4.2 rmind 45 1.1.1.2.4.2 rmind 46 1.1.1.2.4.2 rmind #include <stdio.h> 47 1.1.1.2.4.2 rmind #include <string.h> 48 1.1.1.2.4.2 rmind #include "acpi.h" 49 1.1.1.2.4.2 rmind #include "accommon.h" 50 1.1.1.2.4.2 rmind #include "acapps.h" 51 1.1.1.2.4.2 rmind 52 1.1.1.2.4.2 rmind #define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);} 53 1.1.1.2.4.2 rmind 54 1.1.1.2.4.2 rmind 55 1.1.1.2.4.2 rmind int AcpiGbl_Opterr = 1; 56 1.1.1.2.4.2 rmind int AcpiGbl_Optind = 1; 57 1.1.1.2.4.2 rmind char *AcpiGbl_Optarg; 58 1.1.1.2.4.2 rmind 59 1.1.1.2.4.2 rmind 60 1.1.1.2.4.2 rmind /******************************************************************************* 61 1.1.1.2.4.2 rmind * 62 1.1.1.2.4.2 rmind * FUNCTION: AcpiGetopt 63 1.1.1.2.4.2 rmind * 64 1.1.1.2.4.2 rmind * PARAMETERS: argc, argv - from main 65 1.1.1.2.4.2 rmind * opts - options info list 66 1.1.1.2.4.2 rmind * 67 1.1.1.2.4.2 rmind * RETURN: Option character or EOF 68 1.1.1.2.4.2 rmind * 69 1.1.1.2.4.2 rmind * DESCRIPTION: Get the next option 70 1.1.1.2.4.2 rmind * 71 1.1.1.2.4.2 rmind ******************************************************************************/ 72 1.1.1.2.4.2 rmind 73 1.1.1.2.4.2 rmind int 74 1.1.1.2.4.2 rmind AcpiGetopt( 75 1.1.1.2.4.2 rmind int argc, 76 1.1.1.2.4.2 rmind char **argv, 77 1.1.1.2.4.2 rmind char *opts) 78 1.1.1.2.4.2 rmind { 79 1.1.1.2.4.2 rmind static int CurrentCharPtr = 1; 80 1.1.1.2.4.2 rmind int CurrentChar; 81 1.1.1.2.4.2 rmind char *OptsPtr; 82 1.1.1.2.4.2 rmind 83 1.1.1.2.4.2 rmind 84 1.1.1.2.4.2 rmind if (CurrentCharPtr == 1) 85 1.1.1.2.4.2 rmind { 86 1.1.1.2.4.2 rmind if (AcpiGbl_Optind >= argc || 87 1.1.1.2.4.2 rmind argv[AcpiGbl_Optind][0] != '-' || 88 1.1.1.2.4.2 rmind argv[AcpiGbl_Optind][1] == '\0') 89 1.1.1.2.4.2 rmind { 90 1.1.1.2.4.2 rmind return(EOF); 91 1.1.1.2.4.2 rmind } 92 1.1.1.2.4.2 rmind else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 93 1.1.1.2.4.2 rmind { 94 1.1.1.2.4.2 rmind AcpiGbl_Optind++; 95 1.1.1.2.4.2 rmind return(EOF); 96 1.1.1.2.4.2 rmind } 97 1.1.1.2.4.2 rmind } 98 1.1.1.2.4.2 rmind 99 1.1.1.2.4.2 rmind /* Get the option */ 100 1.1.1.2.4.2 rmind 101 1.1.1.2.4.2 rmind CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr]; 102 1.1.1.2.4.2 rmind 103 1.1.1.2.4.2 rmind /* Make sure that the option is legal */ 104 1.1.1.2.4.2 rmind 105 1.1.1.2.4.2 rmind if (CurrentChar == ':' || 106 1.1.1.2.4.2 rmind (OptsPtr = strchr (opts, CurrentChar)) == NULL) 107 1.1.1.2.4.2 rmind { 108 1.1.1.2.4.2 rmind ERR (": illegal option -- ", CurrentChar); 109 1.1.1.2.4.2 rmind 110 1.1.1.2.4.2 rmind if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 111 1.1.1.2.4.2 rmind { 112 1.1.1.2.4.2 rmind AcpiGbl_Optind++; 113 1.1.1.2.4.2 rmind CurrentCharPtr = 1; 114 1.1.1.2.4.2 rmind } 115 1.1.1.2.4.2 rmind 116 1.1.1.2.4.2 rmind return ('?'); 117 1.1.1.2.4.2 rmind } 118 1.1.1.2.4.2 rmind 119 1.1.1.2.4.2 rmind /* Option requires an argument? */ 120 1.1.1.2.4.2 rmind 121 1.1.1.2.4.2 rmind if (*++OptsPtr == ':') 122 1.1.1.2.4.2 rmind { 123 1.1.1.2.4.2 rmind if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 124 1.1.1.2.4.2 rmind { 125 1.1.1.2.4.2 rmind AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 126 1.1.1.2.4.2 rmind } 127 1.1.1.2.4.2 rmind else if (++AcpiGbl_Optind >= argc) 128 1.1.1.2.4.2 rmind { 129 1.1.1.2.4.2 rmind ERR (": option requires an argument -- ", CurrentChar); 130 1.1.1.2.4.2 rmind 131 1.1.1.2.4.2 rmind CurrentCharPtr = 1; 132 1.1.1.2.4.2 rmind return ('?'); 133 1.1.1.2.4.2 rmind } 134 1.1.1.2.4.2 rmind else 135 1.1.1.2.4.2 rmind { 136 1.1.1.2.4.2 rmind AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 137 1.1.1.2.4.2 rmind } 138 1.1.1.2.4.2 rmind 139 1.1.1.2.4.2 rmind CurrentCharPtr = 1; 140 1.1.1.2.4.2 rmind } 141 1.1.1.2.4.2 rmind 142 1.1.1.2.4.2 rmind /* Option has optional single-char arguments? */ 143 1.1.1.2.4.2 rmind 144 1.1.1.2.4.2 rmind else if (*OptsPtr == '^') 145 1.1.1.2.4.2 rmind { 146 1.1.1.2.4.2 rmind if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 147 1.1.1.2.4.2 rmind { 148 1.1.1.2.4.2 rmind AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 149 1.1.1.2.4.2 rmind } 150 1.1.1.2.4.2 rmind else 151 1.1.1.2.4.2 rmind { 152 1.1.1.2.4.2 rmind AcpiGbl_Optarg = "^"; 153 1.1.1.2.4.2 rmind } 154 1.1.1.2.4.2 rmind 155 1.1.1.2.4.2 rmind AcpiGbl_Optind++; 156 1.1.1.2.4.2 rmind CurrentCharPtr = 1; 157 1.1.1.2.4.2 rmind } 158 1.1.1.2.4.2 rmind 159 1.1.1.2.4.2 rmind /* Option with no arguments */ 160 1.1.1.2.4.2 rmind 161 1.1.1.2.4.2 rmind else 162 1.1.1.2.4.2 rmind { 163 1.1.1.2.4.2 rmind if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 164 1.1.1.2.4.2 rmind { 165 1.1.1.2.4.2 rmind CurrentCharPtr = 1; 166 1.1.1.2.4.2 rmind AcpiGbl_Optind++; 167 1.1.1.2.4.2 rmind } 168 1.1.1.2.4.2 rmind 169 1.1.1.2.4.2 rmind AcpiGbl_Optarg = NULL; 170 1.1.1.2.4.2 rmind } 171 1.1.1.2.4.2 rmind 172 1.1.1.2.4.2 rmind return (CurrentChar); 173 1.1.1.2.4.2 rmind } 174
Indexes created Fri Oct 03 15:10:06 GMT 2025