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Editing: aslfileio.c

/******************************************************************************
 *
 * Module Name: aslfileio - File I/O support
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2020, 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.
 *
 *****************************************************************************/

#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include <contrib/dev/acpica/include/acapps.h>

#define _COMPONENT          ACPI_COMPILER
        ACPI_MODULE_NAME    ("aslfileio")

/*******************************************************************************
 *
 * FUNCTION:    FlFileError
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              ErrorId             - Index into error message array
 *
 * RETURN:      None
 *
 * DESCRIPTION: Decode errno to an error message and add the entire error
 *              to the error log.
 *
 ******************************************************************************/

void
FlFileError (
    UINT32                  FileId,
    UINT8                   ErrorId)
{

sprintf (AslGbl_MsgBuffer, "\"%s\" (%s) - %s", AslGbl_Files[FileId].Filename,
        AslGbl_FileDescs[FileId].Description, strerror (errno));

AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, AslGbl_MsgBuffer);
}

/*******************************************************************************
 *
 * FUNCTION:    FlOpenFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              Filename            - file pathname to open
 *              Mode                - Open mode for fopen
 *
 * RETURN:      None
 *
 * DESCRIPTION: Open a file.
 *              NOTE: Aborts compiler on any error.
 *
 ******************************************************************************/

void
FlOpenFile (
    UINT32                  FileId,
    char                    *Filename,
    char                    *Mode)
{
    FILE                    *File;

AslGbl_Files[FileId].Filename = Filename;
    AslGbl_Files[FileId].Handle = NULL;

File = fopen (Filename, Mode);
    if (!File)
    {
        FlFileError (FileId, ASL_MSG_OPEN);
        AslAbort ();
    }

AslGbl_Files[FileId].Handle = File;
}

/*******************************************************************************
 *
 * FUNCTION:    FlGetFileSize
 *
 * PARAMETERS:  FileId              - Index into file info array
 *
 * RETURN:      File Size
 *
 * DESCRIPTION: Get current file size. Uses common seek-to-EOF function.
 *              File must be open. Aborts compiler on error.
 *
 ******************************************************************************/

UINT32
FlGetFileSize (
    UINT32                  FileId)
{
    UINT32                  FileSize;

FileSize = CmGetFileSize (AslGbl_Files[FileId].Handle);
    if (FileSize == ACPI_UINT32_MAX)
    {
        AslAbort();
    }

return (FileSize);
}

/*******************************************************************************
 *
 * FUNCTION:    FlReadFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              Buffer              - Where to place the data
 *              Length              - Amount to read
 *
 * RETURN:      Status. AE_ERROR indicates EOF.
 *
 * DESCRIPTION: Read data from an open file.
 *              NOTE: Aborts compiler on any error.
 *
 ******************************************************************************/

ACPI_STATUS
FlReadFile (
    UINT32                  FileId,
    void                    *Buffer,
    UINT32                  Length)
{
    UINT32                  Actual;

/* Read and check for error */

Actual = fread (Buffer, 1, Length, AslGbl_Files[FileId].Handle);
    if (Actual < Length)
    {
        if (feof (AslGbl_Files[FileId].Handle))
        {
            /* End-of-file, just return error */

return (AE_ERROR);
        }

FlFileError (FileId, ASL_MSG_READ);
        AslAbort ();
    }

return (AE_OK);
}

/*******************************************************************************
 *
 * FUNCTION:    FlWriteFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              Buffer              - Data to write
 *              Length              - Amount of data to write
 *
 * RETURN:      None
 *
 * DESCRIPTION: Write data to an open file.
 *              NOTE: Aborts compiler on any error.
 *
 ******************************************************************************/

void
FlWriteFile (
    UINT32                  FileId,
    void                    *Buffer,
    UINT32                  Length)
{
    UINT32                  Actual;

/* Write and check for error */

Actual = fwrite ((char *) Buffer, 1, Length, AslGbl_Files[FileId].Handle);
    if (Actual != Length)
    {
        FlFileError (FileId, ASL_MSG_WRITE);
        AslAbort ();
    }

if ((FileId == ASL_FILE_PREPROCESSOR) && AslGbl_PreprocessorOutputFlag)
    {
        /* Duplicate the output to the user preprocessor (.i) file */

Actual = fwrite ((char *) Buffer, 1, Length,
            AslGbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle);
        if (Actual != Length)
        {
            FlFileError (FileId, ASL_MSG_WRITE);
            AslAbort ();
        }
    }
}

/*******************************************************************************
 *
 * FUNCTION:    FlPrintFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              Format              - Printf format string
 *              ...                 - Printf arguments
 *
 * RETURN:      None
 *
 * DESCRIPTION: Formatted write to an open file.
 *              NOTE: Aborts compiler on any error.
 *
 ******************************************************************************/

void
FlPrintFile (
    UINT32                  FileId,
    char                    *Format,
    ...)
{
    INT32                   Actual;
    va_list                 Args;

va_start (Args, Format);
    Actual = vfprintf (AslGbl_Files[FileId].Handle, Format, Args);
    va_end (Args);

if (Actual == -1)
    {
        FlFileError (FileId, ASL_MSG_WRITE);
        AslAbort ();
    }

if ((FileId == ASL_FILE_PREPROCESSOR) &&
        AslGbl_PreprocessorOutputFlag)
    {
        /*
         * Duplicate the output to the user preprocessor (.i) file,
         * except: no #line directives.
         */
        if (!strncmp (Format, "#line", 5))
        {
            return;
        }

va_start (Args, Format);
        Actual = vfprintf (AslGbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle,
            Format, Args);
        va_end (Args);

if (Actual == -1)
        {
            FlFileError (FileId, ASL_MSG_WRITE);
            AslAbort ();
        }
    }
}

/*******************************************************************************
 *
 * FUNCTION:    FlSeekFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *              Offset              - Absolute byte offset in file
 *
 * RETURN:      None
 *
 * DESCRIPTION: Seek to absolute offset.
 *              NOTE: Aborts compiler on any error.
 *
 ******************************************************************************/

void
FlSeekFile (
    UINT32                  FileId,
    long                    Offset)
{
    int                     Error;

Error = fseek (AslGbl_Files[FileId].Handle, Offset, SEEK_SET);
    if (Error)
    {
        FlFileError (FileId, ASL_MSG_SEEK);
        AslAbort ();
    }
}

/*******************************************************************************
 *
 * FUNCTION:    FlCloseFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *
 * RETURN:      None
 *
 * DESCRIPTION: Close an open file. Aborts compiler on error
 *
 ******************************************************************************/

void
FlCloseFile (
    UINT32                  FileId)
{
    int                     Error;

if (!AslGbl_Files[FileId].Handle)
    {
        return;
    }

Error = fclose (AslGbl_Files[FileId].Handle);
    if (Error)
    {
        FlFileError (FileId, ASL_MSG_CLOSE);
        AslAbort ();
    }

/* Do not clear/free the filename string */

AslGbl_Files[FileId].Handle = NULL;
    return;
}

/*******************************************************************************
 *
 * FUNCTION:    FlDeleteFile
 *
 * PARAMETERS:  FileId              - Index into file info array
 *
 * RETURN:      None
 *
 * DESCRIPTION: Delete a file.
 *
 ******************************************************************************/

void
FlDeleteFile (
    UINT32                  FileId)
{
    ASL_FILE_INFO           *Info = &AslGbl_Files[FileId];

if (!Info->Filename)
    {
        return;
    }

if (remove (Info->Filename))
    {
        printf ("%s (%s file) ",
            Info->Filename, AslGbl_FileDescs[FileId].Description);
        perror ("Could not delete");
    }

Info->Filename = NULL;
    return;
}

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Editing: aslfileio.c

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