1/****************************************************************************** 2 * 3 * Module Name: getopt 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2012, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 117#include <stdio.h> 118#include <string.h> 119#include "acpi.h" 120#include "accommon.h" 121#include "acapps.h" 122 123#define ACPI_OPTION_ERROR(msg, badchar) \ 124 if (AcpiGbl_Opterr) {fprintf (stderr, "%s%c\n", msg, badchar);} 125 126 127int AcpiGbl_Opterr = 1; 128int AcpiGbl_Optind = 1; 129char *AcpiGbl_Optarg; 130 131 132/******************************************************************************* 133 * 134 * FUNCTION: AcpiGetopt 135 * 136 * PARAMETERS: argc, argv - from main 137 * opts - options info list 138 * 139 * RETURN: Option character or EOF 140 * 141 * DESCRIPTION: Get the next option 142 * 143 ******************************************************************************/ 144 145int 146AcpiGetopt( 147 int argc, 148 char **argv, 149 char *opts) 150{ 151 static int CurrentCharPtr = 1; 152 int CurrentChar; 153 char *OptsPtr; 154 155 156 if (CurrentCharPtr == 1) 157 { 158 if (AcpiGbl_Optind >= argc || 159 argv[AcpiGbl_Optind][0] != '-' || 160 argv[AcpiGbl_Optind][1] == '\0') 161 { 162 return (EOF); 163 } 164 else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 165 { 166 AcpiGbl_Optind++; 167 return (EOF); 168 } 169 } 170 171 /* Get the option */ 172 173 CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr]; 174 175 /* Make sure that the option is legal */ 176 177 if (CurrentChar == ':' || 178 (OptsPtr = strchr (opts, CurrentChar)) == NULL) 179 { 180 ACPI_OPTION_ERROR ("Illegal option: -", CurrentChar); 181 182 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 183 { 184 AcpiGbl_Optind++; 185 CurrentCharPtr = 1; 186 } 187 188 return ('?'); 189 } 190 191 /* Option requires an argument? */ 192 193 if (*++OptsPtr == ':') 194 { 195 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 196 { 197 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; 198 } 199 else if (++AcpiGbl_Optind >= argc) 200 { 201 ACPI_OPTION_ERROR ("Option requires an argument: -", CurrentChar); 202 203 CurrentCharPtr = 1; 204 return ('?'); 205 } 206 else 207 { 208 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 209 } 210 211 CurrentCharPtr = 1; 212 } 213 214 /* Option has optional single-char arguments? */ 215 216 else if (*OptsPtr == '^') 217 { 218 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 219 { 220 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 221 } 222 else 223 { 224 AcpiGbl_Optarg = "^"; 225 } 226 227 AcpiGbl_Optind++; 228 CurrentCharPtr = 1; 229 } 230 231 /* Option has a required single-char argument? */ 232 233 else if (*OptsPtr == '|') 234 { 235 if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') 236 { 237 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; 238 } 239 else 240 { 241 ACPI_OPTION_ERROR ("Option requires a single-character suboption: -", CurrentChar); 242 243 CurrentCharPtr = 1; 244 return ('?'); 245 } 246 247 AcpiGbl_Optind++; 248 CurrentCharPtr = 1; 249 } 250 251 /* Option with no arguments */ 252 253 else 254 { 255 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 256 { 257 CurrentCharPtr = 1; 258 AcpiGbl_Optind++; 259 } 260 261 AcpiGbl_Optarg = NULL; 262 } 263 264 return (CurrentChar); 265} 266