adfile.c

acpi tools for linux include acpiexec and acpixtract

/******************************************************************************
 *
 * Module Name: adfile - Application-level disassembler file support routines
 *              $Revision: 1.4 $
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2008, 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 "acapps.h"

#include <stdio.h>
#include <string.h>


#define _COMPONENT          ACPI_TOOLS
        ACPI_MODULE_NAME    ("adfile")


char                        FilenameBuf[20];

/******************************************************************************
 *
 * FUNCTION:    AfGenerateFilename
 *
 * PARAMETERS:  Prefix      - prefix string
 *              TableId     - The table ID
 *
 * RETURN:      Pointer to the completed string
 *
 * DESCRIPTION: Build an output filename from an ACPI table ID string
 *
 ******************************************************************************/

char *
AdGenerateFilename (
    char                    *Prefix,
    char                    *TableId)
{
    ACPI_NATIVE_UINT         i;
    ACPI_NATIVE_UINT         j;


    for (i = 0; Prefix[i]; i++)
    {
        FilenameBuf[i] = Prefix[i];
    }

    FilenameBuf[i] = '_';
    i++;

    for (j = 0; j < 8 && (TableId[j] != ' ') && (TableId[j] != 0); i++, j++)
    {
        FilenameBuf[i] = TableId[j];
    }

    FilenameBuf[i] = 0;
    strcat (FilenameBuf, ACPI_TABLE_FILE_SUFFIX);
    return FilenameBuf;
}


/******************************************************************************
 *
 * FUNCTION:    AfWriteBuffer
 *
 * PARAMETERS:  Filename        - name of file
 *              Buffer          - data to write
 *              Length          - length of data
 *
 * RETURN:      Actual number of bytes written
 *
 * DESCRIPTION: Open a file and write out a single buffer
 *
 ******************************************************************************/

ACPI_NATIVE_INT
AdWriteBuffer (
    char                *Filename,
    char                *Buffer,
    UINT32              Length)
{
    FILE                *fp;
    ACPI_SIZE           Actual;


    fp = fopen (Filename, "wb");
    if (!fp)
    {
        printf ("Couldn't open %s\n", Filename);
        return (-1);
    }

    Actual = fwrite (Buffer, (size_t) Length, 1, fp);
    fclose (fp);
    return ((ACPI_NATIVE_INT) Actual);
}


/******************************************************************************
 *
 * FUNCTION:    AfWriteTable
 *
 * PARAMETERS:  Table       - pointer to the ACPI table
 *              Length      - length of the table
 *              TableName   - the table signature
 *              OemTableID  - from the table header
 *
 * RETURN:      None
 *
 * DESCRIPTION: Dump the loaded tables to a file (or files)
 *
 ******************************************************************************/

void
AdWriteTable (
    ACPI_TABLE_HEADER       *Table,
    UINT32                  Length,
    char                    *TableName,
    char                    *OemTableId)
{
    char                    *Filename;


    Filename = AdGenerateFilename (TableName, OemTableId);
    AdWriteBuffer (Filename, (char *) Table, Length);

    AcpiOsPrintf ("Table [%s] written to \"%s\"\n", TableName, Filename);
}


/*******************************************************************************
 *
 * FUNCTION:    FlGenerateFilename
 *
 * PARAMETERS:  InputFilename       - Original ASL source filename
 *              Suffix              - New extension.
 *
 * RETURN:      New filename containing the original base + the new suffix
 *
 * DESCRIPTION: Generate a new filename from the ASL source filename and a new
 *              extension.  Used to create the *.LST, *.TXT, etc. files.
 *
 ******************************************************************************/

char *
FlGenerateFilename (
    char                    *InputFilename,
    char                    *Suffix)
{
    char                    *Position;
    char                    *NewFilename;


    /*
     * Copy the original filename to a new buffer. Leave room for the worst case
     * where we append the suffix, an added dot and the null terminator.
     */
    NewFilename = ACPI_ALLOCATE_ZEROED (
        strlen (InputFilename) + strlen (Suffix) + 2);
    strcpy (NewFilename, InputFilename);

    /* Try to find the last dot in the filename */

    Position = strrchr (NewFilename, '.');
    if (Position)
    {
        /* Tack on the new suffix */

        Position++;
        *Position = 0;
        strcat (Position, Suffix);
    }
    else
    {
        /* No dot, add one and then the suffix */

        strcat (NewFilename, ".");
        strcat (NewFilename, Suffix);
    }

    return NewFilename;
}


/*******************************************************************************
 *
 * FUNCTION:    FlStrdup
 *
 * DESCRIPTION: Local strdup function
 *
 ******************************************************************************/

static char *
FlStrdup (
    char                *String)
{
    char                *NewString;


    NewString = ACPI_ALLOCATE (strlen (String) + 1);
    if (!NewString)
    {
        return (NULL);
    }

    strcpy (NewString, String);
    return (NewString);
}


/*******************************************************************************
 *
 * FUNCTION:    FlSplitInputPathname
 *
 * PARAMETERS:  InputFilename       - The user-specified ASL source file to be
 *                                    compiled
 *              OutDirectoryPath    - Where the directory path prefix is
 *                                    returned
 *              OutFilename         - Where the filename part is returned
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Split the input path into a directory and filename part
 *              1) Directory part used to open include files
 *              2) Filename part used to generate output filenames
 *
 ******************************************************************************/

ACPI_STATUS
FlSplitInputPathname (
    char                    *InputPath,
    char                    **OutDirectoryPath,
    char                    **OutFilename)
{
    char                    *Substring;
    char                    *DirectoryPath;
    char                    *Filename;


    *OutDirectoryPath = NULL;
    *OutFilename = NULL;

    if (!InputPath)
    {
        return (AE_OK);
    }

    /* Get the path to the input filename's directory */

    DirectoryPath = FlStrdup (InputPath);
    if (!DirectoryPath)
    {
        return (AE_NO_MEMORY);
    }

    Substring = strrchr (DirectoryPath, '\\');
    if (!Substring)
    {
        Substring = strrchr (DirectoryPath, '/');
        if (!Substring)
        {
            Substring = strrchr (DirectoryPath, ':');
        }
    }

    if (!Substring)
    {
        DirectoryPath[0] = 0;
        Filename = FlStrdup (InputPath);
    }
    else
    {
        Filename = FlStrdup (Substring + 1);
        *(Substring+1) = 0;
    }

    if (!Filename)
    {
        return (AE_NO_MEMORY);
    }

    *OutDirectoryPath = DirectoryPath;
    *OutFilename = Filename;

    return (AE_OK);
}