| 0,0 → 1,886 |
|---|
| |
| /****************************************************************************** |
| * |
| * Module Name: asfile - Main module for the acpi source processor utility |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 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 "acpisrc.h" |
| |
| /* Local prototypes */ |
| |
| void |
| AsDoWildcard ( |
| ACPI_CONVERSION_TABLE *ConversionTable, |
| char *SourcePath, |
| char *TargetPath, |
| int MaxPathLength, |
| int FileType, |
| char *WildcardSpec); |
| |
| BOOLEAN |
| AsDetectLoneLineFeeds ( |
| char *Filename, |
| char *Buffer); |
| |
| static inline int |
| AsMaxInt (int a, int b) |
| { |
| return (a > b ? a : b); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsDoWildcard |
| * |
| * DESCRIPTION: Process files via wildcards |
| * |
| ******************************************************************************/ |
| |
| void |
| AsDoWildcard ( |
| ACPI_CONVERSION_TABLE *ConversionTable, |
| char *SourcePath, |
| char *TargetPath, |
| int MaxPathLength, |
| int FileType, |
| char *WildcardSpec) |
| { |
| void *DirInfo; |
| char *Filename; |
| char *SourceDirPath; |
| char *TargetDirPath; |
| char RequestedFileType; |
| |
| |
| if (FileType == FILE_TYPE_DIRECTORY) |
| { |
| RequestedFileType = REQUEST_DIR_ONLY; |
| } |
| else |
| { |
| RequestedFileType = REQUEST_FILE_ONLY; |
| } |
| |
| VERBOSE_PRINT (("Checking for %s source files in directory \"%s\"\n", |
| WildcardSpec, SourcePath)); |
| |
| /* Open the directory for wildcard search */ |
| |
| DirInfo = AcpiOsOpenDirectory (SourcePath, WildcardSpec, RequestedFileType); |
| if (DirInfo) |
| { |
| /* |
| * Get all of the files that match both the |
| * wildcard and the requested file type |
| */ |
| while ((Filename = AcpiOsGetNextFilename (DirInfo))) |
| { |
| /* Looking for directory files, must check file type */ |
| |
| switch (RequestedFileType) |
| { |
| case REQUEST_DIR_ONLY: |
| |
| /* If we actually have a dir, process the subtree */ |
| |
| if (!AsCheckForDirectory (SourcePath, TargetPath, Filename, |
| &SourceDirPath, &TargetDirPath)) |
| { |
| VERBOSE_PRINT (("Subdirectory: %s\n", Filename)); |
| |
| AsProcessTree (ConversionTable, SourceDirPath, TargetDirPath); |
| free (SourceDirPath); |
| free (TargetDirPath); |
| } |
| break; |
| |
| case REQUEST_FILE_ONLY: |
| |
| /* Otherwise, this is a file, not a directory */ |
| |
| VERBOSE_PRINT (("File: %s\n", Filename)); |
| |
| AsProcessOneFile (ConversionTable, SourcePath, TargetPath, |
| MaxPathLength, Filename, FileType); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /* Cleanup */ |
| |
| AcpiOsCloseDirectory (DirInfo); |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsProcessTree |
| * |
| * DESCRIPTION: Process the directory tree. Files with the extension ".C" and |
| * ".H" are processed as the tree is traversed. |
| * |
| ******************************************************************************/ |
| |
| ACPI_NATIVE_INT |
| AsProcessTree ( |
| ACPI_CONVERSION_TABLE *ConversionTable, |
| char *SourcePath, |
| char *TargetPath) |
| { |
| int MaxPathLength; |
| |
| |
| MaxPathLength = AsMaxInt (strlen (SourcePath), strlen (TargetPath)); |
| |
| if (!(ConversionTable->Flags & FLG_NO_FILE_OUTPUT)) |
| { |
| if (ConversionTable->Flags & FLG_LOWERCASE_DIRNAMES) |
| { |
| strlwr (TargetPath); |
| } |
| |
| VERBOSE_PRINT (("Creating Directory \"%s\"\n", TargetPath)); |
| if (mkdir (TargetPath)) |
| { |
| if (errno != EEXIST) |
| { |
| printf ("Could not create target directory\n"); |
| return -1; |
| } |
| } |
| } |
| |
| /* Do the C source files */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_SOURCE, "*.c"); |
| |
| /* Do the C header files */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_HEADER, "*.h"); |
| |
| /* Do the Lex file(s) */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_SOURCE, "*.l"); |
| |
| /* Do the yacc file(s) */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_SOURCE, "*.y"); |
| |
| /* Do any ASL files */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_HEADER, "*.asl"); |
| |
| /* Do any subdirectories */ |
| |
| AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength, |
| FILE_TYPE_DIRECTORY, "*"); |
| |
| return 0; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsDetectLoneLineFeeds |
| * |
| * DESCRIPTION: Find LF without CR. |
| * |
| ******************************************************************************/ |
| |
| BOOLEAN |
| AsDetectLoneLineFeeds ( |
| char *Filename, |
| char *Buffer) |
| { |
| UINT32 i = 1; |
| UINT32 LfCount = 0; |
| UINT32 LineCount = 0; |
| |
| |
| if (!Buffer[0]) |
| { |
| return FALSE; |
| } |
| |
| while (Buffer[i]) |
| { |
| if (Buffer[i] == 0x0A) |
| { |
| if (Buffer[i-1] != 0x0D) |
| { |
| LfCount++; |
| } |
| LineCount++; |
| } |
| i++; |
| } |
| |
| if (LfCount) |
| { |
| if (LineCount == LfCount) |
| { |
| if (!Gbl_IgnoreLoneLineFeeds) |
| { |
| printf ("%s: ****File has UNIX format**** (LF only, not CR/LF) %u lines\n", |
| Filename, LfCount); |
| } |
| } |
| else |
| { |
| printf ("%s: %u lone linefeeds in file\n", Filename, LfCount); |
| } |
| return TRUE; |
| } |
| |
| return (FALSE); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsConvertFile |
| * |
| * DESCRIPTION: Perform the requested transforms on the file buffer (as |
| * determined by the ConversionTable and the FileType). |
| * |
| ******************************************************************************/ |
| |
| void |
| AsConvertFile ( |
| ACPI_CONVERSION_TABLE *ConversionTable, |
| char *FileBuffer, |
| char *Filename, |
| ACPI_NATIVE_INT FileType) |
| { |
| UINT32 i; |
| UINT32 Functions; |
| ACPI_STRING_TABLE *StringTable; |
| ACPI_IDENTIFIER_TABLE *ConditionalTable; |
| ACPI_IDENTIFIER_TABLE *LineTable; |
| ACPI_IDENTIFIER_TABLE *MacroTable; |
| ACPI_TYPED_IDENTIFIER_TABLE *StructTable; |
| |
| |
| switch (FileType) |
| { |
| case FILE_TYPE_SOURCE: |
| Functions = ConversionTable->SourceFunctions; |
| StringTable = ConversionTable->SourceStringTable; |
| LineTable = ConversionTable->SourceLineTable; |
| ConditionalTable = ConversionTable->SourceConditionalTable; |
| MacroTable = ConversionTable->SourceMacroTable; |
| StructTable = ConversionTable->SourceStructTable; |
| break; |
| |
| case FILE_TYPE_HEADER: |
| Functions = ConversionTable->HeaderFunctions; |
| StringTable = ConversionTable->HeaderStringTable; |
| LineTable = ConversionTable->HeaderLineTable; |
| ConditionalTable = ConversionTable->HeaderConditionalTable; |
| MacroTable = ConversionTable->HeaderMacroTable; |
| StructTable = ConversionTable->HeaderStructTable; |
| break; |
| |
| default: |
| printf ("Unknown file type, cannot process\n"); |
| return; |
| } |
| |
| |
| Gbl_StructDefs = strstr (FileBuffer, "/* acpisrc:StructDefs"); |
| Gbl_Files++; |
| VERBOSE_PRINT (("Processing %u bytes\n", strlen (FileBuffer))); |
| |
| if (ConversionTable->LowerCaseTable) |
| { |
| for (i = 0; ConversionTable->LowerCaseTable[i].Identifier; i++) |
| { |
| AsLowerCaseString (ConversionTable->LowerCaseTable[i].Identifier, |
| FileBuffer); |
| } |
| } |
| |
| /* Process all the string replacements */ |
| |
| if (StringTable) |
| { |
| for (i = 0; StringTable[i].Target; i++) |
| { |
| AsReplaceString (StringTable[i].Target, StringTable[i].Replacement, |
| StringTable[i].Type, FileBuffer); |
| } |
| } |
| |
| if (LineTable) |
| { |
| for (i = 0; LineTable[i].Identifier; i++) |
| { |
| AsRemoveLine (FileBuffer, LineTable[i].Identifier); |
| } |
| } |
| |
| if (ConditionalTable) |
| { |
| for (i = 0; ConditionalTable[i].Identifier; i++) |
| { |
| AsRemoveConditionalCompile (FileBuffer, ConditionalTable[i].Identifier); |
| } |
| } |
| |
| if (MacroTable) |
| { |
| for (i = 0; MacroTable[i].Identifier; i++) |
| { |
| AsRemoveMacro (FileBuffer, MacroTable[i].Identifier); |
| } |
| } |
| |
| if (StructTable) |
| { |
| for (i = 0; StructTable[i].Identifier; i++) |
| { |
| AsInsertPrefix (FileBuffer, StructTable[i].Identifier, StructTable[i].Type); |
| } |
| } |
| |
| /* Process the function table */ |
| |
| for (i = 0; i < 32; i++) |
| { |
| /* Decode the function bitmap */ |
| |
| switch ((1 << i) & Functions) |
| { |
| case 0: |
| /* This function not configured */ |
| break; |
| |
| |
| case CVT_COUNT_TABS: |
| |
| AsCountTabs (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_COUNT_NON_ANSI_COMMENTS: |
| |
| AsCountNonAnsiComments (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_CHECK_BRACES: |
| |
| AsCheckForBraces (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_TRIM_LINES: |
| |
| AsTrimLines (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_COUNT_LINES: |
| |
| AsCountSourceLines (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_BRACES_ON_SAME_LINE: |
| |
| AsBracesOnSameLine (FileBuffer); |
| break; |
| |
| |
| case CVT_MIXED_CASE_TO_UNDERSCORES: |
| |
| AsMixedCaseToUnderscores (FileBuffer); |
| break; |
| |
| |
| case CVT_LOWER_CASE_IDENTIFIERS: |
| |
| AsLowerCaseIdentifiers (FileBuffer); |
| break; |
| |
| |
| case CVT_REMOVE_DEBUG_MACROS: |
| |
| AsRemoveDebugMacros (FileBuffer); |
| break; |
| |
| |
| case CVT_TRIM_WHITESPACE: |
| |
| AsTrimWhitespace (FileBuffer); |
| break; |
| |
| |
| case CVT_REMOVE_EMPTY_BLOCKS: |
| |
| AsRemoveEmptyBlocks (FileBuffer, Filename); |
| break; |
| |
| |
| case CVT_REDUCE_TYPEDEFS: |
| |
| AsReduceTypedefs (FileBuffer, "typedef union"); |
| AsReduceTypedefs (FileBuffer, "typedef struct"); |
| break; |
| |
| |
| case CVT_SPACES_TO_TABS4: |
| |
| AsTabify4 (FileBuffer); |
| break; |
| |
| |
| case CVT_SPACES_TO_TABS8: |
| |
| AsTabify8 (FileBuffer); |
| break; |
| |
| case CVT_COUNT_SHORTMULTILINE_COMMENTS: |
| |
| #ifdef ACPI_FUTURE_IMPLEMENTATION |
| AsTrimComments (FileBuffer, Filename); |
| #endif |
| break; |
| |
| default: |
| |
| printf ("Unknown conversion subfunction opcode\n"); |
| break; |
| } |
| } |
| |
| if (ConversionTable->NewHeader) |
| { |
| AsReplaceHeader (FileBuffer, ConversionTable->NewHeader); |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsProcessOneFile |
| * |
| * DESCRIPTION: Process one source file. The file is opened, read entirely |
| * into a buffer, converted, then written to a new file. |
| * |
| ******************************************************************************/ |
| |
| ACPI_NATIVE_INT |
| AsProcessOneFile ( |
| ACPI_CONVERSION_TABLE *ConversionTable, |
| char *SourcePath, |
| char *TargetPath, |
| int MaxPathLength, |
| char *Filename, |
| ACPI_NATIVE_INT FileType) |
| { |
| char *Pathname; |
| char *OutPathname = NULL; |
| |
| |
| /* Allocate a file pathname buffer for both source and target */ |
| |
| Pathname = calloc (MaxPathLength + strlen (Filename) + 2, 1); |
| if (!Pathname) |
| { |
| printf ("Could not allocate buffer for file pathnames\n"); |
| return -1; |
| } |
| |
| Gbl_FileType = FileType; |
| |
| /* Generate the source pathname and read the file */ |
| |
| if (SourcePath) |
| { |
| strcpy (Pathname, SourcePath); |
| strcat (Pathname, "/"); |
| } |
| |
| strcat (Pathname, Filename); |
| |
| if (AsGetFile (Pathname, &Gbl_FileBuffer, &Gbl_FileSize)) |
| { |
| return -1; |
| } |
| |
| Gbl_HeaderSize = 0; |
| if (strstr (Filename, ".asl")) |
| { |
| Gbl_HeaderSize = LINES_IN_ASL_HEADER; /* Lines in default ASL header */ |
| } |
| else if (strstr (Gbl_FileBuffer, LEGAL_HEADER_SIGNATURE)) |
| { |
| Gbl_HeaderSize = LINES_IN_LEGAL_HEADER; /* Normal C file and H header */ |
| } |
| else if (strstr (Gbl_FileBuffer, LINUX_HEADER_SIGNATURE)) |
| { |
| Gbl_HeaderSize = LINES_IN_LINUX_HEADER; /* Linuxized C file and H header */ |
| } |
| |
| /* Process the file in the buffer */ |
| |
| Gbl_MadeChanges = FALSE; |
| if (!Gbl_IgnoreLoneLineFeeds && Gbl_HasLoneLineFeeds) |
| { |
| /* |
| * All lone LFs will be converted to CR/LF |
| * (when file is written, Windows version only) |
| */ |
| printf ("Converting lone linefeeds\n"); |
| Gbl_MadeChanges = TRUE; |
| } |
| |
| AsConvertFile (ConversionTable, Gbl_FileBuffer, Pathname, FileType); |
| |
| if (!(ConversionTable->Flags & FLG_NO_FILE_OUTPUT)) |
| { |
| if (!(Gbl_Overwrite && !Gbl_MadeChanges)) |
| { |
| /* Generate the target pathname and write the file */ |
| |
| OutPathname = calloc (MaxPathLength + strlen (Filename) + 2 + strlen (TargetPath), 1); |
| if (!OutPathname) |
| { |
| printf ("Could not allocate buffer for file pathnames\n"); |
| return -1; |
| } |
| |
| strcpy (OutPathname, TargetPath); |
| if (SourcePath) |
| { |
| strcat (OutPathname, "/"); |
| strcat (OutPathname, Filename); |
| } |
| |
| AsPutFile (OutPathname, Gbl_FileBuffer, ConversionTable->Flags); |
| } |
| } |
| |
| free (Gbl_FileBuffer); |
| free (Pathname); |
| if (OutPathname) |
| { |
| free (OutPathname); |
| } |
| |
| return 0; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsCheckForDirectory |
| * |
| * DESCRIPTION: Check if the current file is a valid directory. If not, |
| * construct the full pathname for the source and target paths. |
| * Checks for the dot and dot-dot files (they are ignored) |
| * |
| ******************************************************************************/ |
| |
| ACPI_NATIVE_INT |
| AsCheckForDirectory ( |
| char *SourceDirPath, |
| char *TargetDirPath, |
| char *Filename, |
| char **SourcePath, |
| char **TargetPath) |
| { |
| char *SrcPath; |
| char *TgtPath; |
| |
| |
| if (!(strcmp (Filename, ".")) || |
| !(strcmp (Filename, ".."))) |
| { |
| return -1; |
| } |
| |
| SrcPath = calloc (strlen (SourceDirPath) + strlen (Filename) + 2, 1); |
| if (!SrcPath) |
| { |
| printf ("Could not allocate buffer for directory source pathname\n"); |
| return -1; |
| } |
| |
| TgtPath = calloc (strlen (TargetDirPath) + strlen (Filename) + 2, 1); |
| if (!TgtPath) |
| { |
| printf ("Could not allocate buffer for directory target pathname\n"); |
| free (SrcPath); |
| return -1; |
| } |
| |
| strcpy (SrcPath, SourceDirPath); |
| strcat (SrcPath, "/"); |
| strcat (SrcPath, Filename); |
| |
| strcpy (TgtPath, TargetDirPath); |
| strcat (TgtPath, "/"); |
| strcat (TgtPath, Filename); |
| |
| *SourcePath = SrcPath; |
| *TargetPath = TgtPath; |
| return 0; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsGetFile |
| * |
| * DESCRIPTION: Open a file and read it entirely into a an allocated buffer |
| * |
| ******************************************************************************/ |
| |
| int |
| AsGetFile ( |
| char *Filename, |
| char **FileBuffer, |
| UINT32 *FileSize) |
| { |
| |
| int FileHandle; |
| UINT32 Size; |
| char *Buffer; |
| |
| |
| /* Binary mode leaves CR/LF pairs */ |
| |
| FileHandle = open (Filename, O_BINARY | O_RDONLY); |
| if (!FileHandle) |
| { |
| printf ("Could not open %s\n", Filename); |
| return -1; |
| } |
| |
| if (fstat (FileHandle, &Gbl_StatBuf)) |
| { |
| printf ("Could not get file status for %s\n", Filename); |
| goto ErrorExit; |
| } |
| |
| /* |
| * Create a buffer for the entire file |
| * Add plenty extra buffer to accomodate string replacements |
| */ |
| Size = Gbl_StatBuf.st_size; |
| Gbl_TotalSize += Size; |
| |
| Buffer = calloc (Size * 2, 1); |
| if (!Buffer) |
| { |
| printf ("Could not allocate buffer of size %u\n", Size * 2); |
| goto ErrorExit; |
| } |
| |
| /* Read the entire file */ |
| |
| Size = read (FileHandle, Buffer, Size); |
| if (Size == -1) |
| { |
| printf ("Could not read the input file %s\n", Filename); |
| goto ErrorExit; |
| } |
| |
| Buffer [Size] = 0; /* Null terminate the buffer */ |
| close (FileHandle); |
| |
| /* Check for unix contamination */ |
| |
| Gbl_HasLoneLineFeeds = AsDetectLoneLineFeeds (Filename, Buffer); |
| |
| /* |
| * Convert all CR/LF pairs to LF only. We do this locally so that |
| * this code is portable across operating systems. |
| */ |
| AsConvertToLineFeeds (Buffer); |
| |
| *FileBuffer = Buffer; |
| *FileSize = Size; |
| |
| return 0; |
| |
| |
| ErrorExit: |
| |
| close (FileHandle); |
| return -1; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AsPutFile |
| * |
| * DESCRIPTION: Create a new output file and write the entire contents of the |
| * buffer to the new file. Buffer must be a zero terminated string |
| * |
| ******************************************************************************/ |
| |
| int |
| AsPutFile ( |
| char *Pathname, |
| char *FileBuffer, |
| UINT32 SystemFlags) |
| { |
| UINT32 FileSize; |
| int DestHandle; |
| int OpenFlags; |
| |
| |
| /* Create the target file */ |
| |
| OpenFlags = O_TRUNC | O_CREAT | O_WRONLY | O_BINARY; |
| |
| if (!(SystemFlags & FLG_NO_CARRIAGE_RETURNS)) |
| { |
| /* Put back the CR before each LF */ |
| |
| AsInsertCarriageReturns (FileBuffer); |
| } |
| |
| DestHandle = open (Pathname, OpenFlags, S_IREAD | S_IWRITE); |
| if (DestHandle == -1) |
| { |
| perror ("Could not create destination file"); |
| printf ("Could not create destination file \"%s\"\n", Pathname); |
| return -1; |
| } |
| |
| /* Write the buffer to the file */ |
| |
| FileSize = strlen (FileBuffer); |
| write (DestHandle, FileBuffer, FileSize); |
| |
| close (DestHandle); |
| |
| return 0; |
| } |
| |
| |