/****************************************************************************** * * Module Name: getopt * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ /* * ACPICA getopt() implementation * * Option strings: * "f" - Option has no arguments * "f:" - Option requires an argument * "f+" - Option has an optional argument * "f^" - Option has optional single-char sub-options * "f|" - Option has required single-char sub-options */ #include "acpi.h" #include "accommon.h" #include "acapps.h" #define ACPI_OPTION_ERROR(msg, badchar) \ if (AcpiGbl_Opterr) {fprintf (stderr, "%s%c\n", msg, badchar);} int AcpiGbl_Opterr = 1; int AcpiGbl_Optind = 1; int AcpiGbl_SubOptChar = 0; char *AcpiGbl_Optarg; static int CurrentCharPtr = 1; /******************************************************************************* * * FUNCTION: AcpiGetoptArgument * * PARAMETERS: argc, argv - from main * * RETURN: 0 if an argument was found, -1 otherwise. Sets AcpiGbl_Optarg * to point to the next argument. * * DESCRIPTION: Get the next argument. Used to obtain arguments for the * two-character options after the original call to AcpiGetopt. * Note: Either the argument starts at the next character after * the option, or it is pointed to by the next argv entry. * (After call to AcpiGetopt, we need to backup to the previous * argv entry). * ******************************************************************************/ int AcpiGetoptArgument ( int argc, char **argv) { AcpiGbl_Optind--; CurrentCharPtr++; if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') { AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; } else if (++AcpiGbl_Optind >= argc) { ACPI_OPTION_ERROR ("\nOption requires an argument", 0); CurrentCharPtr = 1; return (-1); } else { AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; } CurrentCharPtr = 1; return (0); } /******************************************************************************* * * FUNCTION: AcpiGetopt * * PARAMETERS: argc, argv - from main * opts - options info list * * RETURN: Option character or ACPI_OPT_END * * DESCRIPTION: Get the next option * ******************************************************************************/ int AcpiGetopt( int argc, char **argv, char *opts) { int CurrentChar; char *OptsPtr; if (CurrentCharPtr == 1) { if (AcpiGbl_Optind >= argc || argv[AcpiGbl_Optind][0] != '-' || argv[AcpiGbl_Optind][1] == '\0') { return (ACPI_OPT_END); } else if (strcmp (argv[AcpiGbl_Optind], "--") == 0) { AcpiGbl_Optind++; return (ACPI_OPT_END); } } /* Get the option */ CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr]; /* Make sure that the option is legal */ if (CurrentChar == ':' || (OptsPtr = strchr (opts, CurrentChar)) == NULL) { ACPI_OPTION_ERROR ("Illegal option: -", CurrentChar); if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') { AcpiGbl_Optind++; CurrentCharPtr = 1; } return ('?'); } /* Option requires an argument? */ if (*++OptsPtr == ':') { if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') { AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; } else if (++AcpiGbl_Optind >= argc) { ACPI_OPTION_ERROR ( "Option requires an argument: -", CurrentChar); CurrentCharPtr = 1; return ('?'); } else { AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; } CurrentCharPtr = 1; } /* Option has an optional argument? */ else if (*OptsPtr == '+') { if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') { AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)]; } else if (++AcpiGbl_Optind >= argc) { AcpiGbl_Optarg = NULL; } else { AcpiGbl_Optarg = argv[AcpiGbl_Optind++]; } CurrentCharPtr = 1; } /* Option has optional single-char arguments? */ else if (*OptsPtr == '^') { if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') { AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; } else { AcpiGbl_Optarg = "^"; } AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; AcpiGbl_Optind++; CurrentCharPtr = 1; } /* Option has a required single-char argument? */ else if (*OptsPtr == '|') { if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0') { AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)]; } else { ACPI_OPTION_ERROR ( "Option requires a single-character suboption: -", CurrentChar); CurrentCharPtr = 1; return ('?'); } AcpiGbl_SubOptChar = AcpiGbl_Optarg[0]; AcpiGbl_Optind++; CurrentCharPtr = 1; } /* Option with no arguments */ else { if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0') { CurrentCharPtr = 1; AcpiGbl_Optind++; } AcpiGbl_Optarg = NULL; } return (CurrentChar); }