getopt.c revision 212761
1252867Sdelphij 2252867Sdelphij/****************************************************************************** 3252867Sdelphij * 4252867Sdelphij * Module Name: getopt 5252867Sdelphij * 6252867Sdelphij *****************************************************************************/ 7252867Sdelphij 8252867Sdelphij/****************************************************************************** 9252867Sdelphij * 10252867Sdelphij * 1. Copyright Notice 11252867Sdelphij * 12252867Sdelphij * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. 13252867Sdelphij * All rights reserved. 14252867Sdelphij * 15252867Sdelphij * 2. License 16252867Sdelphij * 17252867Sdelphij * 2.1. This is your license from Intel Corp. under its intellectual property 18252867Sdelphij * rights. You may have additional license terms from the party that provided 19252867Sdelphij * you this software, covering your right to use that party's intellectual 20252867Sdelphij * property rights. 21252867Sdelphij * 22252867Sdelphij * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23252867Sdelphij * copy of the source code appearing in this file ("Covered Code") an 24252867Sdelphij * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25252867Sdelphij * base code distributed originally by Intel ("Original Intel Code") to copy, 26252867Sdelphij * make derivatives, distribute, use and display any portion of the Covered 27252867Sdelphij * Code in any form, with the right to sublicense such rights; and 28252867Sdelphij * 29252867Sdelphij * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30252867Sdelphij * license (with the right to sublicense), under only those claims of Intel 31252867Sdelphij * patents that are infringed by the Original Intel Code, to make, use, sell, 32252867Sdelphij * offer to sell, and import the Covered Code and derivative works thereof 33252867Sdelphij * solely to the minimum extent necessary to exercise the above copyright 34252867Sdelphij * license, and in no event shall the patent license extend to any additions 35252867Sdelphij * to or modifications of the Original Intel Code. No other license or right 36252867Sdelphij * is granted directly or by implication, estoppel or otherwise; 37252867Sdelphij * 38252867Sdelphij * The above copyright and patent license is granted only if the following 39252867Sdelphij * conditions are met: 40252867Sdelphij * 41252867Sdelphij * 3. Conditions 42252867Sdelphij * 43252867Sdelphij * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44252867Sdelphij * Redistribution of source code of any substantial portion of the Covered 45252867Sdelphij * Code or modification with rights to further distribute source must include 46252867Sdelphij * the above Copyright Notice, the above License, this list of Conditions, 47252867Sdelphij * and the following Disclaimer and Export Compliance provision. In addition, 48252867Sdelphij * Licensee must cause all Covered Code to which Licensee contributes to 49252867Sdelphij * contain a file documenting the changes Licensee made to create that Covered 50252867Sdelphij * Code and the date of any change. Licensee must include in that file the 51252867Sdelphij * documentation of any changes made by any predecessor Licensee. Licensee 52252867Sdelphij * must include a prominent statement that the modification is derived, 53252867Sdelphij * directly or indirectly, from Original Intel Code. 54252867Sdelphij * 55252867Sdelphij * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56252867Sdelphij * Redistribution of source code of any substantial portion of the Covered 57252867Sdelphij * Code or modification without rights to further distribute source must 58252867Sdelphij * include the following Disclaimer and Export Compliance provision in the 59252867Sdelphij * documentation and/or other materials provided with distribution. In 60252867Sdelphij * addition, Licensee may not authorize further sublicense of source of any 61252867Sdelphij * portion of the Covered Code, and must include terms to the effect that the 62252867Sdelphij * license from Licensee to its licensee is limited to the intellectual 63252867Sdelphij * property embodied in the software Licensee provides to its licensee, and 64252867Sdelphij * not to intellectual property embodied in modifications its licensee may 65252867Sdelphij * make. 66252867Sdelphij * 67252867Sdelphij * 3.3. Redistribution of Executable. Redistribution in executable form of any 68252867Sdelphij * substantial portion of the Covered Code or modification must reproduce the 69252867Sdelphij * above Copyright Notice, and the following Disclaimer and Export Compliance 70252867Sdelphij * provision in the documentation and/or other materials provided with the 71252867Sdelphij * distribution. 72252867Sdelphij * 73252867Sdelphij * 3.4. Intel retains all right, title, and interest in and to the Original 74252867Sdelphij * Intel Code. 75252867Sdelphij * 76252867Sdelphij * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77252867Sdelphij * Intel shall be used in advertising or otherwise to promote the sale, use or 78252867Sdelphij * other dealings in products derived from or relating to the Covered Code 79252867Sdelphij * without prior written authorization from Intel. 80252867Sdelphij * 81252867Sdelphij * 4. Disclaimer and Export Compliance 82252867Sdelphij * 83252867Sdelphij * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84252867Sdelphij * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85252867Sdelphij * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86252867Sdelphij * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87252867Sdelphij * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88252867Sdelphij * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89252867Sdelphij * PARTICULAR PURPOSE. 90252867Sdelphij * 91252867Sdelphij * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92252867Sdelphij * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 118#include <stdio.h> 119#include <string.h> 120#include <contrib/dev/acpica/include/acpi.h> 121#include <contrib/dev/acpica/include/accommon.h> 122#include <contrib/dev/acpica/include/acapps.h> 123 124#define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);} 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 ERR (": 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 ERR (": 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 with no arguments */ 232 233 else 234 { 235 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 236 { 237 CurrentCharPtr = 1; 238 AcpiGbl_Optind++; 239 } 240 241 AcpiGbl_Optarg = NULL; 242 } 243 244 return (CurrentChar); 245} 246