getopt.c revision 193529
1118613Snjl 2118613Snjl/****************************************************************************** 3118613Snjl * 4118613Snjl * Module Name: getopt 5118613Snjl * 6118613Snjl *****************************************************************************/ 7118613Snjl 8118613Snjl/****************************************************************************** 9118613Snjl * 10118613Snjl * 1. Copyright Notice 11118613Snjl * 12193529Sjkim * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 13118613Snjl * All rights reserved. 14118613Snjl * 15118613Snjl * 2. License 16118613Snjl * 17118613Snjl * 2.1. This is your license from Intel Corp. under its intellectual property 18118613Snjl * rights. You may have additional license terms from the party that provided 19118613Snjl * you this software, covering your right to use that party's intellectual 20118613Snjl * property rights. 21118613Snjl * 22118613Snjl * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23118613Snjl * copy of the source code appearing in this file ("Covered Code") an 24118613Snjl * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25118613Snjl * base code distributed originally by Intel ("Original Intel Code") to copy, 26118613Snjl * make derivatives, distribute, use and display any portion of the Covered 27118613Snjl * Code in any form, with the right to sublicense such rights; and 28118613Snjl * 29118613Snjl * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30118613Snjl * license (with the right to sublicense), under only those claims of Intel 31118613Snjl * patents that are infringed by the Original Intel Code, to make, use, sell, 32118613Snjl * offer to sell, and import the Covered Code and derivative works thereof 33118613Snjl * solely to the minimum extent necessary to exercise the above copyright 34118613Snjl * license, and in no event shall the patent license extend to any additions 35118613Snjl * to or modifications of the Original Intel Code. No other license or right 36118613Snjl * is granted directly or by implication, estoppel or otherwise; 37118613Snjl * 38118613Snjl * The above copyright and patent license is granted only if the following 39118613Snjl * conditions are met: 40118613Snjl * 41118613Snjl * 3. Conditions 42118613Snjl * 43118613Snjl * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44118613Snjl * Redistribution of source code of any substantial portion of the Covered 45118613Snjl * Code or modification with rights to further distribute source must include 46118613Snjl * the above Copyright Notice, the above License, this list of Conditions, 47118613Snjl * and the following Disclaimer and Export Compliance provision. In addition, 48118613Snjl * Licensee must cause all Covered Code to which Licensee contributes to 49118613Snjl * contain a file documenting the changes Licensee made to create that Covered 50118613Snjl * Code and the date of any change. Licensee must include in that file the 51118613Snjl * documentation of any changes made by any predecessor Licensee. Licensee 52118613Snjl * must include a prominent statement that the modification is derived, 53118613Snjl * directly or indirectly, from Original Intel Code. 54118613Snjl * 55118613Snjl * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56118613Snjl * Redistribution of source code of any substantial portion of the Covered 57118613Snjl * Code or modification without rights to further distribute source must 58118613Snjl * include the following Disclaimer and Export Compliance provision in the 59118613Snjl * documentation and/or other materials provided with distribution. In 60118613Snjl * addition, Licensee may not authorize further sublicense of source of any 61118613Snjl * portion of the Covered Code, and must include terms to the effect that the 62118613Snjl * license from Licensee to its licensee is limited to the intellectual 63118613Snjl * property embodied in the software Licensee provides to its licensee, and 64118613Snjl * not to intellectual property embodied in modifications its licensee may 65118613Snjl * make. 66118613Snjl * 67118613Snjl * 3.3. Redistribution of Executable. Redistribution in executable form of any 68118613Snjl * substantial portion of the Covered Code or modification must reproduce the 69118613Snjl * above Copyright Notice, and the following Disclaimer and Export Compliance 70118613Snjl * provision in the documentation and/or other materials provided with the 71118613Snjl * distribution. 72118613Snjl * 73118613Snjl * 3.4. Intel retains all right, title, and interest in and to the Original 74118613Snjl * Intel Code. 75118613Snjl * 76118613Snjl * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77118613Snjl * Intel shall be used in advertising or otherwise to promote the sale, use or 78118613Snjl * other dealings in products derived from or relating to the Covered Code 79118613Snjl * without prior written authorization from Intel. 80118613Snjl * 81118613Snjl * 4. Disclaimer and Export Compliance 82118613Snjl * 83118613Snjl * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84118613Snjl * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85118613Snjl * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86118613Snjl * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87118613Snjl * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88118613Snjl * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89118613Snjl * PARTICULAR PURPOSE. 90118613Snjl * 91118613Snjl * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92118613Snjl * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93118613Snjl * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94118613Snjl * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95118613Snjl * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96118613Snjl * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97118613Snjl * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98118613Snjl * LIMITED REMEDY. 99118613Snjl * 100118613Snjl * 4.3. Licensee shall not export, either directly or indirectly, any of this 101118613Snjl * software or system incorporating such software without first obtaining any 102118613Snjl * required license or other approval from the U. S. Department of Commerce or 103118613Snjl * any other agency or department of the United States Government. In the 104118613Snjl * event Licensee exports any such software from the United States or 105118613Snjl * re-exports any such software from a foreign destination, Licensee shall 106118613Snjl * ensure that the distribution and export/re-export of the software is in 107118613Snjl * compliance with all laws, regulations, orders, or other restrictions of the 108118613Snjl * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109118613Snjl * any of its subsidiaries will export/re-export any technical data, process, 110118613Snjl * software, or service, directly or indirectly, to any country for which the 111118613Snjl * United States government or any agency thereof requires an export license, 112118613Snjl * other governmental approval, or letter of assurance, without first obtaining 113118613Snjl * such license, approval or letter. 114118613Snjl * 115118613Snjl *****************************************************************************/ 116118613Snjl 117118613Snjl 118118613Snjl#include <stdio.h> 119118613Snjl#include <string.h> 120193529Sjkim#include <contrib/dev/acpica/include/acpi.h> 121193529Sjkim#include <contrib/dev/acpica/include/accommon.h> 122193529Sjkim#include <contrib/dev/acpica/include/acapps.h> 123118613Snjl 124118613Snjl#define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);} 125118613Snjl 126118613Snjl 127118613Snjlint AcpiGbl_Opterr = 1; 128118613Snjlint AcpiGbl_Optind = 1; 129118613Snjlint AcpiGbl_Optopt; 130118613Snjlchar *AcpiGbl_Optarg; 131118613Snjl 132118613Snjl 133118613Snjl/******************************************************************************* 134118613Snjl * 135118613Snjl * FUNCTION: AcpiGetopt 136118613Snjl * 137118613Snjl * PARAMETERS: argc, argv - from main 138118613Snjl * opts - options info list 139118613Snjl * 140118613Snjl * RETURN: Option character or EOF 141118613Snjl * 142118613Snjl * DESCRIPTION: Get the next option 143118613Snjl * 144118613Snjl ******************************************************************************/ 145118613Snjl 146118613Snjlint 147118613SnjlAcpiGetopt( 148118613Snjl int argc, 149118613Snjl char **argv, 150118613Snjl char *opts) 151118613Snjl{ 152118613Snjl static int CurrentCharPtr = 1; 153118613Snjl int CurrentChar; 154118613Snjl char *OptsPtr; 155118613Snjl 156118613Snjl 157118613Snjl if (CurrentCharPtr == 1) 158118613Snjl { 159118613Snjl if (AcpiGbl_Optind >= argc || 160118613Snjl argv[AcpiGbl_Optind][0] != '-' || 161118613Snjl argv[AcpiGbl_Optind][1] == '\0') 162118613Snjl { 163118613Snjl return(EOF); 164118613Snjl } 165118613Snjl else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) 166118613Snjl { 167118613Snjl AcpiGbl_Optind++; 168118613Snjl return(EOF); 169118613Snjl } 170118613Snjl } 171118613Snjl 172118613Snjl /* Get the option */ 173118613Snjl 174118613Snjl CurrentChar = 175118613Snjl AcpiGbl_Optopt = 176118613Snjl argv[AcpiGbl_Optind][CurrentCharPtr]; 177118613Snjl 178118613Snjl /* Make sure that the option is legal */ 179118613Snjl 180118613Snjl if (CurrentChar == ':' || 181118613Snjl (OptsPtr = strchr (opts, CurrentChar)) == NULL) 182118613Snjl { 183118613Snjl ERR (": illegal option -- ", CurrentChar); 184118613Snjl 185118613Snjl if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 186118613Snjl { 187118613Snjl AcpiGbl_Optind++; 188118613Snjl CurrentCharPtr = 1; 189118613Snjl } 190118613Snjl 191118613Snjl return ('?'); 192118613Snjl } 193118613Snjl 194118613Snjl /* Option requires an argument? */ 195118613Snjl 196118613Snjl if (*++OptsPtr == ':') 197118613Snjl { 198118613Snjl if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0') 199118613Snjl { 200118613Snjl AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][CurrentCharPtr+1]; 201118613Snjl } 202118613Snjl else if (++AcpiGbl_Optind >= argc) 203118613Snjl { 204118613Snjl ERR (": option requires an argument -- ", CurrentChar); 205118613Snjl 206118613Snjl CurrentCharPtr = 1; 207118613Snjl return ('?'); 208118613Snjl } 209118613Snjl else 210118613Snjl { 211118613Snjl AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; 212118613Snjl } 213118613Snjl 214118613Snjl CurrentCharPtr = 1; 215118613Snjl } 216118613Snjl 217118613Snjl /* Option has optional single-char arguments? */ 218118613Snjl 219118613Snjl else if (*OptsPtr == '^') 220118613Snjl { 221118613Snjl if (argv[AcpiGbl_Optind][CurrentCharPtr+1] != '\0') 222118613Snjl { 223118613Snjl AcpiGbl_Optarg = &argv[AcpiGbl_Optind][CurrentCharPtr+1]; 224118613Snjl } 225118613Snjl else 226118613Snjl { 227118613Snjl AcpiGbl_Optarg = "^"; 228118613Snjl } 229118613Snjl 230118613Snjl AcpiGbl_Optind++; 231118613Snjl CurrentCharPtr = 1; 232118613Snjl } 233118613Snjl 234118613Snjl /* Option with no arguments */ 235118613Snjl 236118613Snjl else 237118613Snjl { 238118613Snjl if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') 239118613Snjl { 240118613Snjl CurrentCharPtr = 1; 241118613Snjl AcpiGbl_Optind++; 242118613Snjl } 243118613Snjl 244118613Snjl AcpiGbl_Optarg = NULL; 245118613Snjl } 246118613Snjl 247118613Snjl return (CurrentChar); 248118613Snjl} 249