1 2 /****************************************************************************** 3 * 4 * Module Name: getopt 5 * $Revision: 1.10 $ 6 * 7 *****************************************************************************/ 8 9 /****************************************************************************** 10 * 11 * 1. Copyright Notice 12 * 13 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. 14 * All rights reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118 119 #include <stdio.h> 120 #include <string.h> 121 122 #define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);} 123 124 125 int AcpiGbl_Opterr = 1; 126 int AcpiGbl_Optind = 1; 127 int AcpiGbl_Optopt; 128 char *AcpiGbl_Optarg; 129 130 131 /******************************************************************************* 132 * 133 * FUNCTION: AcpiGetopt 134 * 135 * PARAMETERS: argc, argv - from main 136 * opts - options info list 137 * 138 * RETURN: Option character or EOF 139 * 140 * DESCRIPTION: Get the next option 141 * 142 ******************************************************************************/ 143 144 int 145 AcpiGetopt( 146 int argc, 147 char **argv, 148 char *opts) 149 { 150 static int CurrentCharPtr = 1; 151 int CurrentChar; 152 char *OptsPtr; 153 154 155 if (CurrentCharPtr == 1) 156 { 157 if (AcpiGbl_Optind >= argc || 158 argv[AcpiGbl_Optind][0] != '-' || 159 argv[AcpiGbl_Optind][1] == '\0') 160 { 161 return(EOF); 162 } 163 else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 164 { 165 AcpiGbl_Optind++; 166 return(EOF); 167 } 168 } 169 170 /* Get the option */ 171 172 CurrentChar = 173 AcpiGbl_Optopt = 174 argv[AcpiGbl_Optind][CurrentCharPtr]; 175 176 /* Make sure that the option is legal */ 177 178 if (CurrentChar == ':' || 179 (OptsPtr = strchr (opts, CurrentChar)) == NULL) 180 { 181 ERR (": illegal option -- ", CurrentChar); 182 183 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 184 { 185 AcpiGbl_Optind++; 186 CurrentCharPtr = 1; 187 } 188 189 return ('?'); 190 } 191 192 /* Option requires an argument? */ 193 194 if (*++OptsPtr == ':') 195 { 196 if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0') 197 { 198 AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][CurrentCharPtr+1]; 199 } 200 else if (++AcpiGbl_Optind >= argc) 201 { 202 ERR (": option requires an argument -- ", CurrentChar); 203 204 CurrentCharPtr = 1; 205 return ('?'); 206 } 207 else 208 { 209 AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 210 } 211 212 CurrentCharPtr = 1; 213 } 214 215 /* Option has optional single-char arguments? */ 216 217 else if (*OptsPtr == '^') 218 { 219 if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0') 220 { 221 AcpiGbl_Optarg = &argv[AcpiGbl_Optind][CurrentCharPtr+1]; 222 } 223 else 224 { 225 AcpiGbl_Optarg = "^"; 226 } 227 228 AcpiGbl_Optind++; 229 CurrentCharPtr = 1; 230 } 231 232 /* Option with no arguments */ 233 234 else 235 { 236 if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 237 { 238 CurrentCharPtr = 1; 239 AcpiGbl_Optind++; 240 } 241 242 AcpiGbl_Optarg = NULL; 243 } 244 245 return (CurrentChar); 246 } 247