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https://github.com/acpica/acpica/
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266 lines
9.5 KiB
C
266 lines
9.5 KiB
C
/******************************************************************************
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*
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* Module Name: getopt
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2013, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include "acpi.h"
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#include "accommon.h"
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#include "acapps.h"
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#define ACPI_OPTION_ERROR(msg, badchar) \
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if (AcpiGbl_Opterr) {fprintf (stderr, "%s%c\n", msg, badchar);}
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int AcpiGbl_Opterr = 1;
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int AcpiGbl_Optind = 1;
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char *AcpiGbl_Optarg;
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/*******************************************************************************
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*
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* FUNCTION: AcpiGetopt
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*
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* PARAMETERS: argc, argv - from main
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* opts - options info list
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*
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* RETURN: Option character or EOF
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*
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* DESCRIPTION: Get the next option
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*
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******************************************************************************/
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int
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AcpiGetopt(
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int argc,
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char **argv,
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char *opts)
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{
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static int CurrentCharPtr = 1;
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int CurrentChar;
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char *OptsPtr;
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if (CurrentCharPtr == 1)
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{
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if (AcpiGbl_Optind >= argc ||
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argv[AcpiGbl_Optind][0] != '-' ||
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argv[AcpiGbl_Optind][1] == '\0')
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{
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return (EOF);
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}
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else if (strcmp (argv[AcpiGbl_Optind], "--") == 0)
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{
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AcpiGbl_Optind++;
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return (EOF);
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}
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}
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/* Get the option */
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CurrentChar = argv[AcpiGbl_Optind][CurrentCharPtr];
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/* Make sure that the option is legal */
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if (CurrentChar == ':' ||
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(OptsPtr = strchr (opts, CurrentChar)) == NULL)
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{
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ACPI_OPTION_ERROR ("Illegal option: -", CurrentChar);
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if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
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{
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AcpiGbl_Optind++;
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CurrentCharPtr = 1;
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}
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return ('?');
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}
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/* Option requires an argument? */
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if (*++OptsPtr == ':')
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{
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if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0')
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{
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AcpiGbl_Optarg = &argv[AcpiGbl_Optind++][(int) (CurrentCharPtr+1)];
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}
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else if (++AcpiGbl_Optind >= argc)
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{
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ACPI_OPTION_ERROR ("Option requires an argument: -", CurrentChar);
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CurrentCharPtr = 1;
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return ('?');
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}
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else
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{
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AcpiGbl_Optarg = argv[AcpiGbl_Optind++];
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}
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CurrentCharPtr = 1;
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}
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/* Option has optional single-char arguments? */
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else if (*OptsPtr == '^')
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{
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if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0')
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{
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AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)];
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}
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else
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{
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AcpiGbl_Optarg = "^";
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}
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AcpiGbl_Optind++;
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CurrentCharPtr = 1;
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}
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/* Option has a required single-char argument? */
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else if (*OptsPtr == '|')
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{
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if (argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)] != '\0')
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{
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AcpiGbl_Optarg = &argv[AcpiGbl_Optind][(int) (CurrentCharPtr+1)];
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}
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else
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{
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ACPI_OPTION_ERROR ("Option requires a single-character suboption: -", CurrentChar);
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CurrentCharPtr = 1;
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return ('?');
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}
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AcpiGbl_Optind++;
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CurrentCharPtr = 1;
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}
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/* Option with no arguments */
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else
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{
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if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
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{
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CurrentCharPtr = 1;
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AcpiGbl_Optind++;
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}
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AcpiGbl_Optarg = NULL;
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}
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return (CurrentChar);
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}
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