mirror of https://github.com/acidanthera/audk.git
renaming the BaseFileHandleLib to UefiFileHandleLib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11421 6f19259b-4bc3-4df7-8a09-765794883524
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@ -1,7 +1,7 @@
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/** @file
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Provides interface to EFI_FILE_HANDLE functionality.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved. <BR>
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -15,6 +15,7 @@
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#include <Uefi.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/UnicodeCollation.h>
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#include <Guid/FileInfo.h>
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@ -26,6 +27,8 @@
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#include <Library/PcdLib.h>
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#include <Library/PrintLib.h>
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CONST UINT16 gUnicodeFileTag = EFI_UNICODE_BYTE_ORDER_MARK;
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#define MAX_FILE_NAME_LEN 522 // (20 * (6+5+2))+1) unicode characters from EFI FAT spec (doubled for bytes)
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#define FIND_XXXXX_FILE_BUFFER_SIZE (SIZE_OF_EFI_FILE_INFO + MAX_FILE_NAME_LEN)
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@ -53,10 +56,9 @@ FileHandleGetInfo (
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UINTN FileInfoSize;
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EFI_STATUS Status;
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//
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// ASSERT if FileHandle is NULL
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//
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ASSERT (FileHandle != NULL);
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if (FileHandle == NULL) {
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return (NULL);
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}
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//
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// Get the required size to allocate
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@ -66,13 +68,12 @@ FileHandleGetInfo (
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Status = FileHandle->GetInfo(FileHandle,
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&gEfiFileInfoGuid,
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&FileInfoSize,
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FileInfo);
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NULL);
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if (Status == EFI_BUFFER_TOO_SMALL){
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//
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// error is expected. getting size to allocate
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//
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ASSERT (Status == EFI_BUFFER_TOO_SMALL);
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FileInfo = AllocateZeroPool(FileInfoSize);
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ASSERT (FileInfo != NULL);
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//
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// now get the information
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//
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@ -87,6 +88,7 @@ FileHandleGetInfo (
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FreePool(FileInfo);
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return NULL;
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}
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}
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return (FileInfo);
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}
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@ -467,11 +469,9 @@ FileHandleFindFirstFile (
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EFI_STATUS Status;
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UINTN BufferSize;
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//
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// ASSERTs
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//
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ASSERT (DirHandle != NULL);
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ASSERT (Buffer != NULL);
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if (Buffer == NULL || DirHandle == NULL) {
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return (EFI_INVALID_PARAMETER);
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}
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//
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// verify that DirHandle is a directory
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@ -481,20 +481,24 @@ FileHandleFindFirstFile (
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return (Status);
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}
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//
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// reset to the begining of the directory
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//
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Status = FileHandleSetPosition(DirHandle, 0);
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if (EFI_ERROR(Status)) {
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return (Status);
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}
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//
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// Allocate a buffer sized to struct size + enough for the string at the end
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//
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BufferSize = FIND_XXXXX_FILE_BUFFER_SIZE;
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*Buffer = AllocateZeroPool(BufferSize);
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ASSERT (*Buffer != NULL);
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if (*Buffer == NULL){
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return (EFI_OUT_OF_RESOURCES);
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}
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//
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// reset to the begining of the directory
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//
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Status = FileHandleSetPosition(DirHandle, 0);
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if (EFI_ERROR(Status)) {
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FreePool(*Buffer);
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*Buffer = NULL;
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return (Status);
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}
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//
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// read in the info about the first file
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@ -898,7 +902,7 @@ FileHandleReturnLine(
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Status = FileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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RetVal = AllocatePool(Size);
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RetVal = AllocateZeroPool(Size);
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Status = FileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
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}
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ASSERT_EFI_ERROR(Status);
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@ -963,7 +967,7 @@ FileHandleReadLine(
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CharSize = sizeof(CHAR16);
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Status = FileHandleRead(Handle, &CharSize, &CharBuffer);
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ASSERT_EFI_ERROR(Status);
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if (CharBuffer == UnicodeFileTag) {
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if (CharBuffer == gUnicodeFileTag) {
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*Ascii = FALSE;
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} else {
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*Ascii = TRUE;
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@ -26,7 +26,7 @@
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#
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[Sources.common]
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BaseFileHandleLib.c
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UefiFileHandleLib.c
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[Packages]
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MdePkg/MdePkg.dec
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