510 lines
16 KiB
C
510 lines
16 KiB
C
/******************************************************************************
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*
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* Module Name: aslfileio - File I/O support
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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 - 2017, 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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*
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* Alternatively, you may choose to be licensed under the terms of the
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* following license:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Alternatively, you may choose to be licensed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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*****************************************************************************/
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#include "aslcompiler.h"
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#include "acapps.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslfileio")
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/*******************************************************************************
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*
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* FUNCTION: FlFileError
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*
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* PARAMETERS: FileId - Index into file info array
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* ErrorId - Index into error message array
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*
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* RETURN: None
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*
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* DESCRIPTION: Decode errno to an error message and add the entire error
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* to the error log.
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*
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******************************************************************************/
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void
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FlFileError (
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UINT32 FileId,
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UINT8 ErrorId)
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{
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sprintf (MsgBuffer, "\"%s\" (%s) - %s", Gbl_Files[FileId].Filename,
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Gbl_Files[FileId].Description, strerror (errno));
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AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, MsgBuffer);
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}
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/*******************************************************************************
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*
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* FUNCTION: FlOpenFile
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*
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* PARAMETERS: FileId - Index into file info array
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* Filename - file pathname to open
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* Mode - Open mode for fopen
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*
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* RETURN: None
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*
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* DESCRIPTION: Open a file.
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* NOTE: Aborts compiler on any error.
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*
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******************************************************************************/
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void
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FlOpenFile (
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UINT32 FileId,
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char *Filename,
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char *Mode)
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{
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FILE *File;
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Gbl_Files[FileId].Filename = Filename;
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Gbl_Files[FileId].Handle = NULL;
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File = fopen (Filename, Mode);
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if (!File)
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{
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FlFileError (FileId, ASL_MSG_OPEN);
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AslAbort ();
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}
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Gbl_Files[FileId].Handle = File;
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}
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/*******************************************************************************
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*
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* FUNCTION: FlGetFileSize
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*
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* PARAMETERS: FileId - Index into file info array
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*
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* RETURN: File Size
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*
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* DESCRIPTION: Get current file size. Uses common seek-to-EOF function.
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* File must be open. Aborts compiler on error.
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*
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******************************************************************************/
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UINT32
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FlGetFileSize (
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UINT32 FileId)
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{
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UINT32 FileSize;
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FileSize = CmGetFileSize (Gbl_Files[FileId].Handle);
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if (FileSize == ACPI_UINT32_MAX)
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{
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AslAbort();
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}
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return (FileSize);
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}
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/*******************************************************************************
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*
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* FUNCTION: FlReadFile
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*
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* PARAMETERS: FileId - Index into file info array
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* Buffer - Where to place the data
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* Length - Amount to read
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*
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* RETURN: Status. AE_ERROR indicates EOF.
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*
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* DESCRIPTION: Read data from an open file.
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* NOTE: Aborts compiler on any error.
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*
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******************************************************************************/
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ACPI_STATUS
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FlReadFile (
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UINT32 FileId,
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void *Buffer,
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UINT32 Length)
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{
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UINT32 Actual;
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/* Read and check for error */
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Actual = fread (Buffer, 1, Length, Gbl_Files[FileId].Handle);
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if (Actual < Length)
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{
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if (feof (Gbl_Files[FileId].Handle))
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{
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/* End-of-file, just return error */
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return (AE_ERROR);
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}
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FlFileError (FileId, ASL_MSG_READ);
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AslAbort ();
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: FlWriteFile
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*
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* PARAMETERS: FileId - Index into file info array
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* Buffer - Data to write
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* Length - Amount of data to write
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*
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* RETURN: None
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*
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* DESCRIPTION: Write data to an open file.
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* NOTE: Aborts compiler on any error.
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*
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******************************************************************************/
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void
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FlWriteFile (
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UINT32 FileId,
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void *Buffer,
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UINT32 Length)
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{
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UINT32 Actual;
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/* Write and check for error */
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Actual = fwrite ((char *) Buffer, 1, Length, Gbl_Files[FileId].Handle);
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if (Actual != Length)
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{
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FlFileError (FileId, ASL_MSG_WRITE);
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AslAbort ();
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}
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if ((FileId == ASL_FILE_PREPROCESSOR) && Gbl_PreprocessorOutputFlag)
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{
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/* Duplicate the output to the user preprocessor (.i) file */
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Actual = fwrite ((char *) Buffer, 1, Length,
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Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle);
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if (Actual != Length)
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{
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FlFileError (FileId, ASL_MSG_WRITE);
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AslAbort ();
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: FlPrintFile
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*
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* PARAMETERS: FileId - Index into file info array
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* Format - Printf format string
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* ... - Printf arguments
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*
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* RETURN: None
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*
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* DESCRIPTION: Formatted write to an open file.
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* NOTE: Aborts compiler on any error.
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*
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******************************************************************************/
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void
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FlPrintFile (
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UINT32 FileId,
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char *Format,
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...)
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{
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INT32 Actual;
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va_list Args;
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va_start (Args, Format);
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Actual = vfprintf (Gbl_Files[FileId].Handle, Format, Args);
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va_end (Args);
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if (Actual == -1)
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{
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FlFileError (FileId, ASL_MSG_WRITE);
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AslAbort ();
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}
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if ((FileId == ASL_FILE_PREPROCESSOR) &&
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Gbl_PreprocessorOutputFlag)
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{
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/*
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* Duplicate the output to the user preprocessor (.i) file,
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* except: no #line directives.
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*/
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if (!strncmp (Format, "#line", 5))
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{
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return;
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}
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va_start (Args, Format);
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Actual = vfprintf (Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle,
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Format, Args);
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va_end (Args);
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if (Actual == -1)
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{
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FlFileError (FileId, ASL_MSG_WRITE);
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AslAbort ();
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: FlSeekFile
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*
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* PARAMETERS: FileId - Index into file info array
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* Offset - Absolute byte offset in file
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*
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* RETURN: None
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*
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* DESCRIPTION: Seek to absolute offset.
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* NOTE: Aborts compiler on any error.
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*
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******************************************************************************/
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void
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FlSeekFile (
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UINT32 FileId,
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long Offset)
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{
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int Error;
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Error = fseek (Gbl_Files[FileId].Handle, Offset, SEEK_SET);
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if (Error)
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{
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FlFileError (FileId, ASL_MSG_SEEK);
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AslAbort ();
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: FlCloseFile
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*
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* PARAMETERS: FileId - Index into file info array
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*
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* RETURN: None
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*
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* DESCRIPTION: Close an open file. Aborts compiler on error
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*
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******************************************************************************/
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void
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FlCloseFile (
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UINT32 FileId)
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{
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int Error;
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if (!Gbl_Files[FileId].Handle)
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{
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return;
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}
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Error = fclose (Gbl_Files[FileId].Handle);
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if (Error)
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{
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FlFileError (FileId, ASL_MSG_CLOSE);
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AslAbort ();
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}
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/* Do not clear/free the filename string */
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Gbl_Files[FileId].Handle = NULL;
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return;
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}
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/*******************************************************************************
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*
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* FUNCTION: FlDeleteFile
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*
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* PARAMETERS: FileId - Index into file info array
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*
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* RETURN: None
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*
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* DESCRIPTION: Delete a file.
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*
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******************************************************************************/
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void
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FlDeleteFile (
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UINT32 FileId)
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{
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ASL_FILE_INFO *Info = &Gbl_Files[FileId];
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if (!Info->Filename)
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{
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return;
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}
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if (remove (Info->Filename))
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{
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printf ("%s (%s file) ",
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Info->Filename, Info->Description);
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perror ("Could not delete");
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}
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Info->Filename = NULL;
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return;
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}
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