diff options
Diffstat (limited to 'BaseTools/Source/C/Common/MemoryFile.c')
| -rw-r--r-- | BaseTools/Source/C/Common/MemoryFile.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/BaseTools/Source/C/Common/MemoryFile.c b/BaseTools/Source/C/Common/MemoryFile.c deleted file mode 100644 index ec27619abb..0000000000 --- a/BaseTools/Source/C/Common/MemoryFile.c +++ /dev/null @@ -1,257 +0,0 @@ -/** @file
-This contains some useful functions for accessing files.
-
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <assert.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include "CommonLib.h"
-#include "MemoryFile.h"
-
-
-//
-// Local (static) function prototypes
-//
-STATIC
-VOID
-CheckMemoryFileState (
- IN EFI_HANDLE InputMemoryFile
- );
-
-//
-// Function implementations
-//
-
-EFI_STATUS
-GetMemoryFile (
- IN CHAR8 *InputFileName,
- OUT EFI_HANDLE *OutputMemoryFile
- )
-/*++
-
-Routine Description:
-
- This opens a file, reads it into memory and returns a memory file
- object.
-
-Arguments:
-
- InputFile Memory file image.
- OutputMemoryFile Handle to memory file
-
-Returns:
-
- EFI_STATUS
- OutputMemoryFile is valid if !EFI_ERROR
-
---*/
-{
- EFI_STATUS Status;
- CHAR8 *InputFileImage;
- UINT32 BytesRead;
- MEMORY_FILE *NewMemoryFile;
-
- Status = GetFileImage (InputFileName, &InputFileImage, &BytesRead);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- NewMemoryFile = malloc (sizeof (*NewMemoryFile));
- if (NewMemoryFile == NULL) {
- free (InputFileImage);
- return EFI_OUT_OF_RESOURCES;
- }
-
- NewMemoryFile->FileImage = InputFileImage;
- NewMemoryFile->CurrentFilePointer = InputFileImage;
- NewMemoryFile->Eof = InputFileImage + BytesRead;
-
- *OutputMemoryFile = (EFI_HANDLE)NewMemoryFile;
-
- CheckMemoryFileState (*OutputMemoryFile);
-
- return EFI_SUCCESS;
-}
-
-
-EFI_STATUS
-FreeMemoryFile (
- IN EFI_HANDLE InputMemoryFile
- )
-/*++
-
-Routine Description:
-
- Frees all memory associated with the input memory file.
-
-Arguments:
-
- InputMemoryFile Handle to memory file
-
-Returns:
-
- EFI_STATUS
-
---*/
-{
- MEMORY_FILE *MemoryFile;
-
- CheckMemoryFileState (InputMemoryFile);
-
- MemoryFile = (MEMORY_FILE*)InputMemoryFile;
-
- free (MemoryFile->FileImage);
-
- //
- // Invalidate state of MEMORY_FILE structure to catch invalid usage.
- //
- memset (MemoryFile, 0xcc, sizeof (*MemoryFile));
- MemoryFile->Eof -= 1;
-
- free (MemoryFile);
-
- return EFI_SUCCESS;
-}
-
-
-CHAR8 *
-ReadMemoryFileLine (
- IN EFI_HANDLE InputMemoryFile
- )
-/*++
-
-Routine Description:
-
- This function reads a line from the memory file. The newline characters
- are stripped and a null terminated string is returned.
-
- If the string pointer returned is non-NULL, then the caller must free the
- memory associated with this string.
-
-Arguments:
-
- InputMemoryFile Handle to memory file
-
-Returns:
-
- NULL if error or EOF
- NULL character termincated string otherwise (MUST BE FREED BY CALLER)
-
---*/
-{
- CHAR8 *EndOfLine;
- UINTN CharsToCopy;
- MEMORY_FILE *InputFile;
- UINTN BytesToEof;
- CHAR8 *OutputString;
-
- //
- // Verify input parameters are not null
- //
- CheckMemoryFileState (InputMemoryFile);
-
- InputFile = (MEMORY_FILE*)InputMemoryFile;
-
- //
- // Check for end of file condition
- //
- if (InputFile->CurrentFilePointer >= InputFile->Eof) {
- return NULL;
- }
-
- //
- // Determine the number of bytes remaining until the EOF
- //
- BytesToEof = InputFile->Eof - InputFile->CurrentFilePointer;
-
- //
- // Find the next newline char
- //
- EndOfLine = memchr (InputFile->CurrentFilePointer, '\n', BytesToEof);
-
- //
- // Determine the number of characters to copy.
- //
- if (EndOfLine == 0) {
- //
- // If no newline found, copy to the end of the file.
- //
- CharsToCopy = InputFile->Eof - InputFile->CurrentFilePointer;
- } else {
- //
- // Newline found in the file.
- //
- CharsToCopy = EndOfLine - InputFile->CurrentFilePointer;
- }
-
- OutputString = malloc (CharsToCopy + 1);
- if (OutputString == NULL) {
- return NULL;
- }
-
- //
- // Copy the line.
- //
- memcpy (OutputString, InputFile->CurrentFilePointer, CharsToCopy);
-
- //
- // Add the null termination over the 0x0D
- //
- if (OutputString[CharsToCopy - 1] == '\r') {
-
- OutputString[CharsToCopy - 1] = '\0';
-
- } else {
-
- OutputString[CharsToCopy] = '\0';
-
- }
-
- //
- // Increment the current file pointer (include the 0x0A)
- //
- InputFile->CurrentFilePointer += CharsToCopy + 1;
- if (InputFile->CurrentFilePointer > InputFile->Eof) {
- InputFile->CurrentFilePointer = InputFile->Eof;
- }
- CheckMemoryFileState (InputMemoryFile);
-
- //
- // Return the string
- //
- return OutputString;
-}
-
-
-STATIC
-VOID
-CheckMemoryFileState (
- IN EFI_HANDLE InputMemoryFile
- )
-{
- MEMORY_FILE *MemoryFile;
-
- assert (InputMemoryFile != NULL);
-
- MemoryFile = (MEMORY_FILE*)InputMemoryFile;
-
- assert (MemoryFile->FileImage != NULL);
- assert (MemoryFile->CurrentFilePointer != NULL);
- assert (MemoryFile->Eof != NULL);
- assert (MemoryFile->Eof >= MemoryFile->FileImage);
- assert (MemoryFile->CurrentFilePointer >= MemoryFile->FileImage);
- assert (MemoryFile->CurrentFilePointer <= MemoryFile->Eof);
-}
-
-
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