kolibrios/drivers/devman/acpica/common/getopt.c
Sergey Semyonov (Serge) 0f1313efde acpica library
git-svn-id: svn://kolibrios.org@1498 a494cfbc-eb01-0410-851d-a64ba20cac60
2010-06-18 14:39:07 +00:00

249 lines
9.1 KiB
C

/******************************************************************************
*
* Module Name: getopt
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, 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.
*
*****************************************************************************/
#include "acpi.h"
#include "accommon.h"
#include "acapps.h"
#include <stdio.h>
#include <string.h>
#define ERR(szz,czz) if(AcpiGbl_Opterr){fprintf(stderr,"%s%s%c\n",argv[0],szz,czz);}
int AcpiGbl_Opterr = 1;
int AcpiGbl_Optind = 1;
int AcpiGbl_Optopt;
char *AcpiGbl_Optarg;
/*******************************************************************************
*
* FUNCTION: AcpiGetopt
*
* PARAMETERS: argc, argv - from main
* opts - options info list
*
* RETURN: Option character or EOF
*
* DESCRIPTION: Get the next option
*
******************************************************************************/
int
AcpiGetopt(
int argc,
char **argv,
char *opts)
{
static int CurrentCharPtr = 1;
int CurrentChar;
char *OptsPtr;
if (CurrentCharPtr == 1)
{
if (AcpiGbl_Optind >= argc ||
argv[AcpiGbl_Optind][0] != '-' ||
argv[AcpiGbl_Optind][1] == '\0')
{
return(EOF);
}
else if (strcmp (argv[AcpiGbl_Optind], "--") == 0)
{
AcpiGbl_Optind++;
return(EOF);
}
}
/* Get the option */
CurrentChar =
AcpiGbl_Optopt =
argv[AcpiGbl_Optind][CurrentCharPtr];
/* Make sure that the option is legal */
if (CurrentChar == ':' ||
(OptsPtr = strchr (opts, CurrentChar)) == NULL)
{
ERR (": 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)
{
ERR (": option requires an argument -- ", CurrentChar);
CurrentCharPtr = 1;
return ('?');
}
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_Optind++;
CurrentCharPtr = 1;
}
/* Option with no arguments */
else
{
if (argv[AcpiGbl_Optind][++CurrentCharPtr] == '\0')
{
CurrentCharPtr = 1;
AcpiGbl_Optind++;
}
AcpiGbl_Optarg = NULL;
}
return (CurrentChar);
}