diff options
| author | Daryl McDaniel <daryl.mcdaniel@intel.com> | 2015-01-13 01:04:07 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@Edk2> | 2015-01-13 01:04:07 +0000 |
| commit | ae591c14b333757a33768e80481bc301b8855686 (patch) | |
| tree | e7203acdf3733765f1ed641f819a26f3a4d1c521 /MdePkg | |
| parent | 5d6bf9e22973c2ad327ca7422f80144c848912dc (diff) | |
| download | edk2-platforms-ae591c14b333757a33768e80481bc301b8855686.tar.xz | |
MdeModulePkg, MdePkg, NetworkPkg, OvmfPkg, PerformancePkg, ShellPkg: Library Migration.
Move libraries from ShellPkg into MdeModulePkg and MdePkg.
The following libraries are being migrated out of ShellPkg in order to make
their functionality more widely available.
• PathLib: Incorporate into MdePkg/Library/BaseLib
• FileHandleLib: MdePkg/Library/UefiFileHandleLib
• BaseSortLib: MdeModulePkg/Library/BaseSortLib
• UefiSortLib: MdeModulePkg/Library/UefiSortLib
Diffs showing file changes are in the attached file, LibMigration.patch.
A description of the changes follows:
• Move ShellPkg/Include/Library/FileHandleLib.h to MdePkg/Include/Library/FileHandleLib.h
• Move ShellPkg/Include/Library/SortLib.h to MdeModulePkg/Include/Library/SortLib.h
• Move ShellPkg/Library/BaseSortLib to MdeModulePkg/Library/BaseSortLib
• Move ShellPkg/Library/UefiSortLib to MdeModulePkg/Library/UefiSortLib
• Move ShellPkg/Library/BasePathLib/BasePathLib.c to MdePkg/Library/BaseLib/FilePaths.c
• Merge ShellPkg/Include/Library/PathLib.h into MdePkg/Include/Library/BaseLib.h
• Delete ShellPkg/Library/BasePathLib; Includes BasePathLib.c and BasePathLib.inf
• NetworkPkg/NetworkPkg.dsc
• PerformancePkg.dsc
• OvmfPkg/OvmfPkgX64.dsc
• OvmfPkg/OvmfPkgIa32X64.dsc
• OvmfPkg/OvmfPkgIa32.dsc
o Update SortLib and FileHandleLib library classes to point to the new library locations.
o Remove PathLib library class and make sure that BaseLib is described.
• MdeModulePkg/MdeModulePkg.dec
o Add SortLib library class
• MdePkg/MdePkg.dec
o Add FileHandleLib library class
o Add PcdUefiFileHandleLibPrintBufferSize PCD
• MdePkg/Library/BaseLib/BaseLib.inf
o Add FilePaths.c to [Sources]
• MdePkg/Include/Library/BaseLib.h
o Update file description to include "file path functions"
• ShellPkg/ShellPkg.dsc
o Change PACKAGE_GUID to { C1014BB7-4092-43D4-984F-0738EB424DBF }
o Update PACKAGE_VERSION to 1.0
o Update SortLib and FileHandleLib library classes to point to the new library locations.
o Remove PathLib library class and make sure that BaseLib is described.
o Remove ShellPkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf from [Components]
• ShellPkg/ShellPkg.dec
o Update PLATFORM_VERSION to 1.0
o Remove declarations of the FileHandleLib, SortLib, and PathLib Library Classes
o Update comment for the PcdShellPrintBufferSize PCD.
• ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.inf
• ShellPkg/Application/Shell/Shell.inf
o Remove PathLib from [LibraryClasses]
• ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.h
• ShellPkg/Application/Shell/Shell.h
o Remove #include <Library/PathLib.h>
• ShellPkg/Library/UefiShellLevel1CommandsLib/UefiShellLevel1CommandsLib.inf
o Add PathLib to [LibraryClasses]
• ShellPkg/Library/UefiShellLevel1CommandsLib/If.c
o Remove #include <Library/PathLib.h>
• ShellPkg/Application/ShellSortTestApp/ShellSortTestApp.inf
o Add MdeModulePkg/MdeModulePkg.dec to [Packages]
• MdeModulePkg/Library/BaseSortLib/BaseSortLib.inf
• MdeModulePkg/Library/UefiSortLib/UefiSortLib.inf
o Replace ShellPkg.dec with MdeModulePkg.dec in [Packages]
• MdeModulePkg/Library/UefiSortLib/UefiSortLib.c
o Remove #include <ShellBase.h>
o Define USL_FREE_NON_NULL() to replace SHELL_FREE_NON_NULL()
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daryl McDaniel <daryl.mcdaniel@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16601 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Library/BaseLib.h | 57 | ||||
| -rw-r--r-- | MdePkg/Include/Library/FileHandleLib.h | 498 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/BaseLib.inf | 1 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/FilePaths.c | 126 | ||||
| -rw-r--r-- | MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c | 1155 | ||||
| -rw-r--r-- | MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf | 47 | ||||
| -rw-r--r-- | MdePkg/MdePkg.dec | 10 |
7 files changed, 1883 insertions, 11 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h index bd3f9cfc60..750f82e8f7 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -1,8 +1,8 @@ /** @file
Provides string functions, linked list functions, math functions, synchronization
- functions, and CPU architecture-specific functions.
+ functions, file path functions, and CPU architecture-specific functions.
-Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -484,7 +484,7 @@ AsciiStrnCatS ( #ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Copies one Null-terminated Unicode string to another Null-terminated Unicode
string and returns the new Unicode string.
@@ -517,7 +517,7 @@ StrCpy ( /**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Copies up to a specified length from one Null-terminated Unicode string to
another Null-terminated Unicode string and returns the new Unicode string.
@@ -686,7 +686,7 @@ StrnCmp ( #ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Concatenates one Null-terminated Unicode string to another Null-terminated
Unicode string, and returns the concatenated Unicode string.
@@ -728,7 +728,7 @@ StrCat ( /**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Concatenates up to a specified length one Null-terminated Unicode to the end
of another Null-terminated Unicode string, and returns the concatenated
@@ -1016,7 +1016,7 @@ UnicodeStrToAsciiStr ( #ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Copies one Null-terminated ASCII string to another Null-terminated ASCII
string and returns the new ASCII string.
@@ -1047,7 +1047,7 @@ AsciiStrCpy ( /**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Copies up to a specified length one Null-terminated ASCII string to another
Null-terminated ASCII string and returns the new ASCII string.
@@ -1245,7 +1245,7 @@ AsciiStrnCmp ( #ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Concatenates one Null-terminated ASCII string to another Null-terminated
ASCII string, and returns the concatenated ASCII string.
@@ -1282,7 +1282,7 @@ AsciiStrCat ( /**
- [ATTENTION] This function will be deprecated for security reason.
+ [ATTENTION] This function is deprecated for security reason.
Concatenates up to a specified length one Null-terminated ASCII string to
the end of another Null-terminated ASCII string, and returns the
@@ -1591,6 +1591,43 @@ BcdToDecimal8 ( IN UINT8 Value
);
+//
+// File Path Manipulation Functions
+//
+
+/**
+ Removes the last directory or file entry in a path by changing the last
+ L'\' to a CHAR_NULL.
+
+ @param[in, out] Path The pointer to the path to modify.
+
+ @retval FALSE Nothing was found to remove.
+ @retval TRUE A directory or file was removed.
+**/
+BOOLEAN
+EFIAPI
+PathRemoveLastItem(
+ IN OUT CHAR16 *Path
+ );
+
+/**
+ Function to clean up paths.
+ - Single periods in the path are removed.
+ - Double periods in the path are removed along with a single parent directory.
+ - Forward slashes L'/' are converted to backward slashes L'\'.
+
+ This will be done inline and the existing buffer may be larger than required
+ upon completion.
+
+ @param[in] Path The pointer to the string containing the path.
+
+ @return Returns Path, otherwise returns NULL to indicate that an error has occured.
+**/
+CHAR16*
+EFIAPI
+PathCleanUpDirectories(
+ IN CHAR16 *Path
+);
//
// Linked List Functions and Macros
diff --git a/MdePkg/Include/Library/FileHandleLib.h b/MdePkg/Include/Library/FileHandleLib.h new file mode 100644 index 0000000000..123cc8c58f --- /dev/null +++ b/MdePkg/Include/Library/FileHandleLib.h @@ -0,0 +1,498 @@ +/** @file
+ Provides interface to EFI_FILE_HANDLE functionality.
+
+ Copyright (c) 2009 - 2014, 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.
+
+**/
+
+#ifndef _FILE_HANDLE_LIBRARY_HEADER_
+#define _FILE_HANDLE_LIBRARY_HEADER_
+
+#include <Protocol/SimpleFileSystem.h>
+
+/// The tag for use in identifying UNICODE files.
+/// If the file is UNICODE, the first 16 bits of the file will equal this value.
+extern CONST UINT16 gUnicodeFileTag;
+
+/**
+ This function retrieves information about the file for the handle
+ specified and stores it in the allocated pool memory.
+
+ This function allocates a buffer to store the file's information. It is the
+ caller's responsibility to free the buffer.
+
+ @param[in] FileHandle The file handle of the file for which information is
+ being requested.
+
+ @retval NULL Information could not be retrieved.
+ @retval !NULL The information about the file.
+**/
+EFI_FILE_INFO*
+EFIAPI
+FileHandleGetInfo (
+ IN EFI_FILE_HANDLE FileHandle
+ );
+
+/**
+ This function sets the information about the file for the opened handle
+ specified.
+
+ @param[in] FileHandle The file handle of the file for which information
+ is being set.
+
+ @param[in] FileInfo The information to set.
+
+ @retval EFI_SUCCESS The information was set.
+ @retval EFI_INVALID_PARAMETER A parameter was out of range or invalid.
+ @retval EFI_UNSUPPORTED The FileHandle does not support FileInfo.
+ @retval EFI_NO_MEDIA The device has no medium.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The file or medium is write protected.
+ @retval EFI_ACCESS_DENIED The file was opened read only.
+ @retval EFI_VOLUME_FULL The volume is full.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetInfo (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN CONST EFI_FILE_INFO *FileInfo
+ );
+
+/**
+ This function reads information from an opened file.
+
+ If FileHandle is not a directory, the function reads the requested number of
+ bytes from the file at the file's current position and returns them in Buffer.
+ If the read goes beyond the end of the file, the read length is truncated to the
+ end of the file. The file's current position is increased by the number of bytes
+ returned. If FileHandle is a directory, the function reads the directory entry
+ at the file's current position and returns the entry in Buffer. If the Buffer
+ is not large enough to hold the current directory entry, then
+ EFI_BUFFER_TOO_SMALL is returned and the current file position is not updated.
+ BufferSize is set to be the size of the buffer needed to read the entry. On
+ success, the current position is updated to the next directory entry. If there
+ are no more directory entries, the read returns a zero-length buffer.
+ EFI_FILE_INFO is the structure returned as the directory entry.
+
+ @param[in] FileHandle The opened file handle.
+ @param[in, out] BufferSize On input, the size of buffer in bytes. On return,
+ the number of bytes written.
+ @param[out] Buffer The buffer to put read data into.
+
+ @retval EFI_SUCCESS Data was read.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_BUFFER_TO_SMALL Buffer is too small. ReadSize contains required
+ size.
+
+**/
+EFI_STATUS
+EFIAPI
+FileHandleRead(
+ IN EFI_FILE_HANDLE FileHandle,
+ IN OUT UINTN *BufferSize,
+ OUT VOID *Buffer
+ );
+
+/**
+ Write data to a file.
+
+ This function writes the specified number of bytes to the file at the current
+ file position. The current file position is advanced the actual number of bytes
+ written, which is returned in BufferSize. Partial writes only occur when there
+ has been a data error during the write attempt (such as "volume space full").
+ The file is automatically grown to hold the data if required. Direct writes to
+ opened directories are not supported.
+
+ @param[in] FileHandle The opened file for writing.
+ @param[in, out] BufferSize On input, the number of bytes in Buffer. On output,
+ the number of bytes written.
+ @param[in] Buffer The buffer containing data to write is stored.
+
+ @retval EFI_SUCCESS Data was written.
+ @retval EFI_UNSUPPORTED Writes to an open directory are not supported.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The device is write-protected.
+ @retval EFI_ACCESS_DENIED The file was opened for read only.
+ @retval EFI_VOLUME_FULL The volume is full.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleWrite(
+ IN EFI_FILE_HANDLE FileHandle,
+ IN OUT UINTN *BufferSize,
+ IN VOID *Buffer
+ );
+
+/**
+ Close an open file handle.
+
+ This function closes a specified file handle. All "dirty" cached file data is
+ flushed to the device, and the file is closed. In all cases the handle is
+ closed.
+
+ @param[in] FileHandle The file handle to close.
+
+ @retval EFI_SUCCESS The file handle was closed successfully.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleClose (
+ IN EFI_FILE_HANDLE FileHandle
+ );
+
+/**
+ Delete a file and close the handle.
+
+ This function closes and deletes a file. In all cases the file handle is closed.
+ If the file cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is
+ returned, but the handle is still closed.
+
+ @param[in] FileHandle The file handle to delete.
+
+ @retval EFI_SUCCESS The file was closed successfully.
+ @retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not
+ deleted.
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleDelete (
+ IN EFI_FILE_HANDLE FileHandle
+ );
+
+/**
+ Set the current position in a file.
+
+ This function sets the current file position for the handle to the position
+ supplied. With the exception of moving to position 0xFFFFFFFFFFFFFFFF, only
+ absolute positioning is supported, and moving past the end of the file is
+ allowed (a subsequent write would grow the file). Moving to position
+ 0xFFFFFFFFFFFFFFFF causes the current position to be set to the end of the file.
+ If FileHandle is a directory, the only position that may be set is zero. This
+ has the effect of starting the read process of the directory entries over again.
+
+ @param[in] FileHandle The file handle on which the position is being set.
+ @param[in] Position The byte position from the begining of the file.
+
+ @retval EFI_SUCCESS The operation completed sucessfully.
+ @retval EFI_UNSUPPORTED The request for non-zero is not valid on
+ directories.
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetPosition (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN UINT64 Position
+ );
+
+/**
+ Gets a file's current position.
+
+ This function retrieves the current file position for the file handle. For
+ directories, the current file position has no meaning outside of the file
+ system driver. As such, the operation is not supported. An error is returned
+ if FileHandle is a directory.
+
+ @param[in] FileHandle The open file handle on which to get the position.
+ @param[out] Position The byte position from begining of file.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+ @retval EFI_UNSUPPORTED The request is not valid on directories.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetPosition (
+ IN EFI_FILE_HANDLE FileHandle,
+ OUT UINT64 *Position
+ );
+/**
+ Flushes data on a file.
+
+ This function flushes all modified data associated with a file to a device.
+
+ @param[in] FileHandle The file handle on which to flush data.
+
+ @retval EFI_SUCCESS The data was flushed.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The file or medium is write protected.
+ @retval EFI_ACCESS_DENIED The file was opened for read only.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFlush (
+ IN EFI_FILE_HANDLE FileHandle
+ );
+
+/**
+ Function to determine if a given handle is a directory handle.
+
+ If DirHandle is NULL, then ASSERT().
+
+ Open the file information on the DirHandle, and verify that the Attribute
+ includes EFI_FILE_DIRECTORY bit set.
+
+ @param[in] DirHandle The handle to open the file.
+
+ @retval EFI_SUCCESS DirHandle is a directory.
+ @retval EFI_INVALID_PARAMETER DirHandle did not have EFI_FILE_INFO available.
+ @retval EFI_NOT_FOUND DirHandle is not a directory.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleIsDirectory (
+ IN EFI_FILE_HANDLE DirHandle
+ );
+
+/** Retrieve first entry from a directory.
+
+ This function takes an open directory handle and gets information from the
+ first entry in the directory. A buffer is allocated to contain
+ the information and a pointer to the buffer is returned in *Buffer. The
+ caller can use FileHandleFindNextFile() to get subsequent directory entries.
+
+ The buffer will be freed by FileHandleFindNextFile() when the last directory
+ entry is read. Otherwise, the caller must free the buffer, using FreePool,
+ when finished with it.
+
+ @param[in] DirHandle The file handle of the directory to search.
+ @param[out] Buffer The pointer to pointer to buffer for file's information.
+
+ @retval EFI_SUCCESS Found the first file.
+ @retval EFI_NOT_FOUND Cannot find the directory.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @return Others The status of FileHandleGetInfo, FileHandleSetPosition,
+ or FileHandleRead.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFindFirstFile (
+ IN EFI_FILE_HANDLE DirHandle,
+ OUT EFI_FILE_INFO **Buffer
+ );
+
+/** Retrieve next entries from a directory.
+
+ To use this function, the caller must first call the FileHandleFindFirstFile()
+ function to get the first directory entry. Subsequent directory entries are
+ retrieved by using the FileHandleFindNextFile() function. This function can
+ be called several times to get each entry from the directory. If the call of
+ FileHandleFindNextFile() retrieved the last directory entry, the next call of
+ this function will set *NoFile to TRUE and free the buffer.
+
+ @param[in] DirHandle The file handle of the directory.
+ @param[out] Buffer The pointer to buffer for file's information.
+ @param[out] NoFile The pointer to boolean when last file is found.
+
+ @retval EFI_SUCCESS Found the next file, or reached last file.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFindNextFile(
+ IN EFI_FILE_HANDLE DirHandle,
+ OUT EFI_FILE_INFO *Buffer,
+ OUT BOOLEAN *NoFile
+ );
+
+/**
+ Retrieve the size of a file.
+
+ If FileHandle is NULL then ASSERT().
+ If Size is NULL then ASSERT().
+
+ This function extracts the file size info from the FileHandle's EFI_FILE_INFO
+ data.
+
+ @param[in] FileHandle The file handle from which size is retrieved.
+ @param[out] Size The pointer to size.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_DEVICE_ERROR Cannot access the file.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetSize (
+ IN EFI_FILE_HANDLE FileHandle,
+ OUT UINT64 *Size
+ );
+
+/**
+ Set the size of a file.
+
+ If FileHandle is NULL then ASSERT().
+
+ This function changes the file size info from the FileHandle's EFI_FILE_INFO
+ data.
+
+ @param[in] FileHandle The file handle whose size is to be changed.
+ @param[in] Size The new size.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_DEVICE_ERROR Cannot access the file.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetSize (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN UINT64 Size
+ );
+
+/**
+ Function to get a full filename given a EFI_FILE_HANDLE somewhere lower on the
+ directory 'stack'.
+
+ @param[in] Handle Handle to the Directory or File to create path to.
+ @param[out] FullFileName Pointer to pointer to generated full file name. It
+ is the responsibility of the caller to free this memory
+ with a call to FreePool().
+ @retval EFI_SUCCESS The operation was successful and FullFileName is valid.
+ @retval EFI_INVALID_PARAMETER Handle was NULL.
+ @retval EFI_INVALID_PARAMETER FullFileName was NULL.
+ @retval EFI_OUT_OF_MEMORY A memory allocation failed.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetFileName (
+ IN CONST EFI_FILE_HANDLE Handle,
+ OUT CHAR16 **FullFileName
+ );
+
+/**
+ Function to read a single line (up to but not including the \n) from a file.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle FileHandle to read from.
+ @param[in, out] Buffer The pointer to buffer to read into.
+ @param[in, out] Size The pointer to number of bytes in Buffer.
+ @param[in] Truncate If the buffer is large enough, this has no effect.
+ If the buffer is is too small and Truncate is TRUE,
+ the line will be truncated.
+ If the buffer is is too small and Truncate is FALSE,
+ then no read will occur.
+
+ @param[in, out] Ascii Boolean value for indicating whether the file is
+ Ascii (TRUE) or UCS2 (FALSE).
+
+ @retval EFI_SUCCESS The operation was successful. The line is stored in
+ Buffer.
+ @retval EFI_INVALID_PARAMETER Handle was NULL.
+ @retval EFI_INVALID_PARAMETER Size was NULL.
+ @retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line.
+ Size was updated to the minimum space required.
+ @sa FileHandleRead
+**/
+EFI_STATUS
+EFIAPI
+FileHandleReadLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN OUT CHAR16 *Buffer,
+ IN OUT UINTN *Size,
+ IN BOOLEAN Truncate,
+ IN OUT BOOLEAN *Ascii
+ );
+
+/**
+ Function to read a single line from a file. The \n is not included in the returned
+ buffer. The returned buffer must be callee freed.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle FileHandle to read from.
+ @param[in, out] Ascii Boolean value for indicating whether the file is
+ Ascii (TRUE) or UCS2 (FALSE).
+
+ @return The line of text from the file.
+
+ @sa FileHandleReadLine
+**/
+CHAR16*
+EFIAPI
+FileHandleReturnLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN OUT BOOLEAN *Ascii
+ );
+
+/**
+ Function to write a line of unicode text to a file.
+
+ If Handle is NULL, ASSERT.
+
+ @param[in] Handle FileHandle to write to.
+ @param[in] Buffer Buffer to write, if NULL the function will
+ take no action and return EFI_SUCCESS.
+
+ @retval EFI_SUCCESS The data was written.
+ @retval other Failure.
+
+ @sa FileHandleWrite
+**/
+EFI_STATUS
+EFIAPI
+FileHandleWriteLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN CHAR16 *Buffer
+ );
+
+/**
+ Function to take a formatted argument and print it to a file.
+
+ @param[in] Handle The file handle for the file to write to.
+ @param[in] Format The format argument (see printlib for the format specifier).
+ @param[in] ... The variable arguments for the format.
+
+ @retval EFI_SUCCESS The operation was successful.
+ @retval other A return value from FileHandleWriteLine.
+
+ @sa FileHandleWriteLine
+**/
+EFI_STATUS
+EFIAPI
+FileHandlePrintLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN CONST CHAR16 *Format,
+ ...
+ );
+
+/**
+ Function to determine if a FILE_HANDLE is at the end of the file.
+
+ This will NOT work on directories.
+
+ If Handle is NULL, then ASSERT().
+
+ @param[in] Handle The file handle.
+
+ @retval TRUE The position is at the end of the file.
+ @retval FALSE The position is not at the end of the file.
+**/
+BOOLEAN
+EFIAPI
+FileHandleEof(
+ IN EFI_FILE_HANDLE Handle
+ );
+
+#endif //_FILE_HANDLE_LIBRARY_HEADER_
+
diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 6d03f941fd..fc0cb9638b 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -63,6 +63,7 @@ LinkedList.c
SafeString.c
String.c
+ FilePaths.c
BaseLibInternals.h
[Sources.Ia32]
diff --git a/MdePkg/Library/BaseLib/FilePaths.c b/MdePkg/Library/BaseLib/FilePaths.c new file mode 100644 index 0000000000..b7ff480bb9 --- /dev/null +++ b/MdePkg/Library/BaseLib/FilePaths.c @@ -0,0 +1,126 @@ +/** @file
+ Defines file-path manipulation functions.
+
+ Copyright (c) 2011 - 2014, 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 <Uefi/UefiBaseType.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BaseLib.h>
+#include <Protocol/SimpleTextIn.h>
+
+/**
+ Removes the last directory or file entry in a path by changing the last
+ L'\' to a CHAR_NULL.
+
+ @param[in,out] Path A pointer to the path to modify.
+
+ @retval FALSE Nothing was found to remove.
+ @retval TRUE A directory or file was removed.
+**/
+BOOLEAN
+EFIAPI
+PathRemoveLastItem(
+ IN OUT CHAR16 *Path
+ )
+{
+ CHAR16 *Walker;
+ CHAR16 *LastSlash;
+ //
+ // get directory name from path... ('chop' off extra)
+ //
+ for ( Walker = Path, LastSlash = NULL
+ ; Walker != NULL && *Walker != CHAR_NULL
+ ; Walker++
+ ){
+ if (*Walker == L'\\' && *(Walker + 1) != CHAR_NULL) {
+ LastSlash = Walker+1;
+ }
+ }
+ if (LastSlash != NULL) {
+ *LastSlash = CHAR_NULL;
+ return (TRUE);
+ }
+ return (FALSE);
+}
+
+/**
+ Function to clean up paths.
+
+ - Single periods in the path are removed.
+ - Double periods in the path are removed along with a single parent directory.
+ - Forward slashes L'/' are converted to backward slashes L'\'.
+
+ This will be done inline and the existing buffer may be larger than required
+ upon completion.
+
+ @param[in] Path The pointer to the string containing the path.
+
+ @return Returns Path, otherwise returns NULL to indicate that an error has occured.
+**/
+CHAR16*
+EFIAPI
+PathCleanUpDirectories(
+ IN CHAR16 *Path
+ )
+{
+ CHAR16 *TempString;
+ UINTN TempSize;
+
+ if (Path==NULL) {
+ return(NULL);
+ }
+ //
+ // Fix up the '/' vs '\'
+ //
+ for (TempString = Path ; TempString != NULL && *TempString != CHAR_NULL ; TempString++) {
+ if (*TempString == L'/') {
+ *TempString = L'\\';
+ }
+ }
+ //
+ // Fix up the ..
+ //
+ while ((TempString = StrStr(Path, L"\\..\\")) != NULL) {
+ *TempString = CHAR_NULL;
+ TempString += 4;
+ PathRemoveLastItem(Path);
+ TempSize = StrSize(TempString);
+ CopyMem(Path+StrLen(Path), TempString, TempSize);
+ }
+ if ((TempString = StrStr(Path, L"\\..")) != NULL && *(TempString + 3) == CHAR_NULL) {
+ *TempString = CHAR_NULL;
+ PathRemoveLastItem(Path);
+ }
+ //
+ // Fix up the .
+ //
+ while ((TempString = StrStr(Path, L"\\.\\")) != NULL) {
+ *TempString = CHAR_NULL;
+ TempString += 2;
+ TempSize = StrSize(TempString);
+ CopyMem(Path+StrLen(Path), TempString, TempSize);
+ }
+ if ((TempString = StrStr(Path, L"\\.")) != NULL && *(TempString + 2) == CHAR_NULL) {
+ *(TempString + 1) = CHAR_NULL;
+ }
+
+ while ((TempString = StrStr(Path, L"\\\\")) != NULL) {
+ *TempString = CHAR_NULL;
+ TempString += 1;
+ TempSize = StrSize(TempString);
+ CopyMem(Path+StrLen(Path), TempString, TempSize);
+ }
+ if ((TempString = StrStr(Path, L"\\\\")) != NULL && *(TempString + 1) == CHAR_NULL) {
+ *(TempString) = CHAR_NULL;
+ }
+
+ return (Path);
+}
+
diff --git a/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c new file mode 100644 index 0000000000..be66c57bb8 --- /dev/null +++ b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c @@ -0,0 +1,1155 @@ +/** @file
+ Provides interface to EFI_FILE_HANDLE functionality.
+
+ Copyright (c) 2006 - 2014, 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 <Uefi.h>
+
+#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/UnicodeCollation.h>
+
+#include <Guid/FileInfo.h>
+
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/FileHandleLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PrintLib.h>
+
+CONST UINT16 gUnicodeFileTag = EFI_UNICODE_BYTE_ORDER_MARK;
+
+#define MAX_FILE_NAME_LEN 522 // (20 * (6+5+2))+1) unicode characters from EFI FAT spec (doubled for bytes)
+#define FIND_XXXXX_FILE_BUFFER_SIZE (SIZE_OF_EFI_FILE_INFO + MAX_FILE_NAME_LEN)
+
+/**
+ This function will retrieve the information about the file for the handle
+ specified and store it in allocated pool memory.
+
+ This function allocates a buffer to store the file's information. It is the
+ caller's responsibility to free the buffer
+
+ @param FileHandle The file handle of the file for which information is
+ being requested.
+
+ @retval NULL information could not be retrieved.
+
+ @return the information about the file
+**/
+EFI_FILE_INFO*
+EFIAPI
+FileHandleGetInfo (
+ IN EFI_FILE_HANDLE FileHandle
+ )
+{
+ EFI_FILE_INFO *FileInfo;
+ UINTN FileInfoSize;
+ EFI_STATUS Status;
+
+ if (FileHandle == NULL) {
+ return (NULL);
+ }
+
+ //
+ // Get the required size to allocate
+ //
+ FileInfoSize = 0;
+ FileInfo = NULL;
+ Status = FileHandle->GetInfo(FileHandle,
+ &gEfiFileInfoGuid,
+ &FileInfoSize,
+ NULL);
+ if (Status == EFI_BUFFER_TOO_SMALL){
+ //
+ // error is expected. getting size to allocate
+ //
+ FileInfo = AllocateZeroPool(FileInfoSize);
+ //
+ // now get the information
+ //
+ Status = FileHandle->GetInfo(FileHandle,
+ &gEfiFileInfoGuid,
+ &FileInfoSize,
+ FileInfo);
+ //
+ // if we got an error free the memory and return NULL
+ //
+ if (EFI_ERROR(Status) && (FileInfo != NULL)) {
+ FreePool(FileInfo);
+ FileInfo = NULL;
+ }
+ }
+ return (FileInfo);
+}
+
+/**
+ This function sets the information about the file for the opened handle
+ specified.
+
+ @param[in] FileHandle The file handle of the file for which information
+ is being set.
+
+ @param[in] FileInfo The information to set.
+
+ @retval EFI_SUCCESS The information was set.
+ @retval EFI_INVALID_PARAMETER A parameter was out of range or invalid.
+ @retval EFI_UNSUPPORTED The FileHandle does not support FileInfo.
+ @retval EFI_NO_MEDIA The device has no medium.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The file or medium is write protected.
+ @retval EFI_ACCESS_DENIED The file was opened read only.
+ @retval EFI_VOLUME_FULL The volume is full.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetInfo (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN CONST EFI_FILE_INFO *FileInfo
+ )
+{
+
+ if (FileHandle == NULL || FileInfo == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Set the info
+ //
+ return (FileHandle->SetInfo(FileHandle,
+ &gEfiFileInfoGuid,
+ (UINTN)FileInfo->Size,
+ (EFI_FILE_INFO*)FileInfo));
+}
+
+/**
+ This function reads information from an opened file.
+
+ If FileHandle is not a directory, the function reads the requested number of
+ bytes from the file at the file's current position and returns them in Buffer.
+ If the read goes beyond the end of the file, the read length is truncated to the
+ end of the file. The file's current position is increased by the number of bytes
+ returned. If FileHandle is a directory, the function reads the directory entry
+ at the file's current position and returns the entry in Buffer. If the Buffer
+ is not large enough to hold the current directory entry, then
+ EFI_BUFFER_TOO_SMALL is returned and the current file position is not updated.
+ BufferSize is set to be the size of the buffer needed to read the entry. On
+ success, the current position is updated to the next directory entry. If there
+ are no more directory entries, the read returns a zero-length buffer.
+ EFI_FILE_INFO is the structure returned as the directory entry.
+
+ @param FileHandle the opened file handle
+ @param BufferSize on input the size of buffer in bytes. on return
+ the number of bytes written.
+ @param Buffer the buffer to put read data into.
+
+ @retval EFI_SUCCESS Data was read.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_BUFFER_TO_SMALL Buffer is too small. ReadSize contains required
+ size.
+
+**/
+EFI_STATUS
+EFIAPI
+FileHandleRead(
+ IN EFI_FILE_HANDLE FileHandle,
+ IN OUT UINTN *BufferSize,
+ OUT VOID *Buffer
+ )
+{
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the read based on EFI_FILE_PROTOCOL
+ //
+ return (FileHandle->Read(FileHandle, BufferSize, Buffer));
+}
+
+
+/**
+ Write data to a file.
+
+ This function writes the specified number of bytes to the file at the current
+ file position. The current file position is advanced the actual number of bytes
+ written, which is returned in BufferSize. Partial writes only occur when there
+ has been a data error during the write attempt (such as "volume space full").
+ The file is automatically grown to hold the data if required. Direct writes to
+ opened directories are not supported.
+
+ @param FileHandle The opened file for writing
+ @param BufferSize on input the number of bytes in Buffer. On output
+ the number of bytes written.
+ @param Buffer the buffer containing data to write is stored.
+
+ @retval EFI_SUCCESS Data was written.
+ @retval EFI_UNSUPPORTED Writes to an open directory are not supported.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The device is write-protected.
+ @retval EFI_ACCESS_DENIED The file was open for read only.
+ @retval EFI_VOLUME_FULL The volume is full.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleWrite(
+ IN EFI_FILE_HANDLE FileHandle,
+ IN OUT UINTN *BufferSize,
+ IN VOID *Buffer
+ )
+{
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the write based on EFI_FILE_PROTOCOL
+ //
+ return (FileHandle->Write(FileHandle, BufferSize, Buffer));
+}
+
+/**
+ Close an open file handle.
+
+ This function closes a specified file handle. All "dirty" cached file data is
+ flushed to the device, and the file is closed. In all cases the handle is
+ closed.
+
+@param FileHandle the file handle to close.
+
+@retval EFI_SUCCESS the file handle was closed sucessfully.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleClose (
+ IN EFI_FILE_HANDLE FileHandle
+ )
+{
+ EFI_STATUS Status;
+
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the Close based on EFI_FILE_PROTOCOL
+ //
+ Status = FileHandle->Close(FileHandle);
+ return Status;
+}
+
+/**
+ Delete a file and close the handle
+
+ This function closes and deletes a file. In all cases the file handle is closed.
+ If the file cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is
+ returned, but the handle is still closed.
+
+ @param FileHandle the file handle to delete
+
+ @retval EFI_SUCCESS the file was closed sucessfully
+ @retval EFI_WARN_DELETE_FAILURE the handle was closed, but the file was not
+ deleted
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleDelete (
+ IN EFI_FILE_HANDLE FileHandle
+ )
+{
+ EFI_STATUS Status;
+
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the Delete based on EFI_FILE_PROTOCOL
+ //
+ Status = FileHandle->Delete(FileHandle);
+ return Status;
+}
+
+/**
+ Set the current position in a file.
+
+ This function sets the current file position for the handle to the position
+ supplied. With the exception of seeking to position 0xFFFFFFFFFFFFFFFF, only
+ absolute positioning is supported, and seeking past the end of the file is
+ allowed (a subsequent write would grow the file). Seeking to position
+ 0xFFFFFFFFFFFFFFFF causes the current position to be set to the end of the file.
+ If FileHandle is a directory, the only position that may be set is zero. This
+ has the effect of starting the read process of the directory entries over.
+
+ @param FileHandle The file handle on which the position is being set
+ @param Position Byte position from begining of file
+
+ @retval EFI_SUCCESS Operation completed sucessfully.
+ @retval EFI_UNSUPPORTED the seek request for non-zero is not valid on
+ directories.
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetPosition (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN UINT64 Position
+ )
+{
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the SetPosition based on EFI_FILE_PROTOCOL
+ //
+ return (FileHandle->SetPosition(FileHandle, Position));
+}
+
+/**
+ Gets a file's current position
+
+ This function retrieves the current file position for the file handle. For
+ directories, the current file position has no meaning outside of the file
+ system driver and as such the operation is not supported. An error is returned
+ if FileHandle is a directory.
+
+ @param FileHandle The open file handle on which to get the position.
+ @param Position Byte position from begining of file.
+
+ @retval EFI_SUCCESS the operation completed sucessfully.
+ @retval INVALID_PARAMETER One of the parameters has an invalid value.
+ @retval EFI_UNSUPPORTED the request is not valid on directories.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetPosition (
+ IN EFI_FILE_HANDLE FileHandle,
+ OUT UINT64 *Position
+ )
+{
+ if (Position == NULL || FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the GetPosition based on EFI_FILE_PROTOCOL
+ //
+ return (FileHandle->GetPosition(FileHandle, Position));
+}
+/**
+ Flushes data on a file
+
+ This function flushes all modified data associated with a file to a device.
+
+ @param FileHandle The file handle on which to flush data
+
+ @retval EFI_SUCCESS The data was flushed.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @retval EFI_WRITE_PROTECTED The file or medium is write protected.
+ @retval EFI_ACCESS_DENIED The file was opened for read only.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFlush (
+ IN EFI_FILE_HANDLE FileHandle
+ )
+{
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // Perform the Flush based on EFI_FILE_PROTOCOL
+ //
+ return (FileHandle->Flush(FileHandle));
+}
+
+/**
+ function to determine if a given handle is a directory handle
+
+ if DirHandle is NULL then return error
+
+ open the file information on the DirHandle and verify that the Attribute
+ includes EFI_FILE_DIRECTORY bit set.
+
+ @param DirHandle Handle to open file
+
+ @retval EFI_SUCCESS DirHandle is a directory
+ @retval EFI_INVALID_PARAMETER DirHandle did not have EFI_FILE_INFO available
+ @retval EFI_NOT_FOUND DirHandle is not a directory
+**/
+EFI_STATUS
+EFIAPI
+FileHandleIsDirectory (
+ IN EFI_FILE_HANDLE DirHandle
+ )
+{
+ EFI_FILE_INFO *DirInfo;
+
+ if (DirHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // get the file information for DirHandle
+ //
+ DirInfo = FileHandleGetInfo (DirHandle);
+
+ //
+ // Parse DirInfo
+ //
+ if (DirInfo == NULL) {
+ //
+ // We got nothing...
+ //
+ return (EFI_INVALID_PARAMETER);
+ }
+ if ((DirInfo->Attribute & EFI_FILE_DIRECTORY) == 0) {
+ //
+ // Attributes say this is not a directory
+ //
+ FreePool (DirInfo);
+ return (EFI_NOT_FOUND);
+ }
+ //
+ // all good...
+ //
+ FreePool (DirInfo);
+ return (EFI_SUCCESS);
+}
+
+/** Retrieve first entry from a directory.
+
+ This function takes an open directory handle and gets information from the
+ first entry in the directory. A buffer is allocated to contain
+ the information and a pointer to the buffer is returned in *Buffer. The
+ caller can use FileHandleFindNextFile() to get subsequent directory entries.
+
+ The buffer will be freed by FileHandleFindNextFile() when the last directory
+ entry is read. Otherwise, the caller must free the buffer, using FreePool,
+ when finished with it.
+
+ @param[in] DirHandle The file handle of the directory to search.
+ @param[out] Buffer The pointer to pointer to buffer for file's information.
+
+ @retval EFI_SUCCESS Found the first file.
+ @retval EFI_NOT_FOUND Cannot find the directory.
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+ @return Others status of FileHandleGetInfo, FileHandleSetPosition,
+ or FileHandleRead
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFindFirstFile (
+ IN EFI_FILE_HANDLE DirHandle,
+ OUT EFI_FILE_INFO **Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+
+ if (Buffer == NULL || DirHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // verify that DirHandle is a directory
+ //
+ Status = FileHandleIsDirectory(DirHandle);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ //
+ // Allocate a buffer sized to struct size + enough for the string at the end
+ //
+ BufferSize = FIND_XXXXX_FILE_BUFFER_SIZE;
+ *Buffer = AllocateZeroPool(BufferSize);
+ if (*Buffer == NULL){
+ return (EFI_OUT_OF_RESOURCES);
+ }
+
+ //
+ // reset to the begining of the directory
+ //
+ Status = FileHandleSetPosition(DirHandle, 0);
+ if (EFI_ERROR(Status)) {
+ FreePool(*Buffer);
+ *Buffer = NULL;
+ return (Status);
+ }
+
+ //
+ // read in the info about the first file
+ //
+ Status = FileHandleRead (DirHandle, &BufferSize, *Buffer);
+ ASSERT(Status != EFI_BUFFER_TOO_SMALL);
+ if (EFI_ERROR(Status) || BufferSize == 0) {
+ FreePool(*Buffer);
+ *Buffer = NULL;
+ if (BufferSize == 0) {
+ return (EFI_NOT_FOUND);
+ }
+ return (Status);
+ }
+ return (EFI_SUCCESS);
+}
+
+/** Retrieve next entries from a directory.
+
+ To use this function, the caller must first call the FileHandleFindFirstFile()
+ function to get the first directory entry. Subsequent directory entries are
+ retrieved by using the FileHandleFindNextFile() function. This function can
+ be called several times to get each entry from the directory. If the call of
+ FileHandleFindNextFile() retrieved the last directory entry, the next call of
+ this function will set *NoFile to TRUE and free the buffer.
+
+ @param[in] DirHandle The file handle of the directory.
+ @param[out] Buffer The pointer to buffer for file's information.
+ @param[out] NoFile The pointer to boolean when last file is found.
+
+ @retval EFI_SUCCESS Found the next file, or reached last file
+ @retval EFI_NO_MEDIA The device has no media.
+ @retval EFI_DEVICE_ERROR The device reported an error.
+ @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleFindNextFile(
+ IN EFI_FILE_HANDLE DirHandle,
+ OUT EFI_FILE_INFO *Buffer,
+ OUT BOOLEAN *NoFile
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+
+ if (DirHandle == NULL || Buffer == NULL || NoFile == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // This BufferSize MUST stay equal to the originally allocated one in GetFirstFile
+ //
+ BufferSize = FIND_XXXXX_FILE_BUFFER_SIZE;
+
+ //
+ // read in the info about the next file
+ //
+ Status = FileHandleRead (DirHandle, &BufferSize, Buffer);
+ ASSERT(Status != EFI_BUFFER_TOO_SMALL);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ //
+ // If we read 0 bytes (but did not have erros) we already read in the last file.
+ //
+ if (BufferSize == 0) {
+ FreePool(Buffer);
+ *NoFile = TRUE;
+ }
+
+ return (EFI_SUCCESS);
+}
+
+/**
+ Retrieve the size of a file.
+
+ if FileHandle is NULL then return error
+ if Size is NULL then return error
+
+ This function extracts the file size info from the FileHandle's EFI_FILE_INFO
+ data.
+
+ @param FileHandle file handle from which size is retrieved
+ @param Size pointer to size
+
+ @retval EFI_SUCCESS operation was completed sucessfully
+ @retval EFI_DEVICE_ERROR cannot access the file
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetSize (
+ IN EFI_FILE_HANDLE FileHandle,
+ OUT UINT64 *Size
+ )
+{
+ EFI_FILE_INFO *FileInfo;
+
+ if (FileHandle == NULL || Size == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // get the FileInfo structure
+ //
+ FileInfo = FileHandleGetInfo(FileHandle);
+ if (FileInfo == NULL) {
+ return (EFI_DEVICE_ERROR);
+ }
+
+ //
+ // Assign the Size pointer to the correct value
+ //
+ *Size = FileInfo->FileSize;
+
+ //
+ // free the FileInfo memory
+ //
+ FreePool(FileInfo);
+
+ return (EFI_SUCCESS);
+}
+
+/**
+ Set the size of a file.
+
+ If FileHandle is NULL then return error.
+
+ This function changes the file size info from the FileHandle's EFI_FILE_INFO
+ data.
+
+ @param FileHandle File handle whose size is to be changed.
+ @param Size New size.
+
+ @retval EFI_SUCCESS operation was completed sucessfully.
+ @retval EFI_DEVICE_ERROR cannot access the file.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleSetSize (
+ IN EFI_FILE_HANDLE FileHandle,
+ IN UINT64 Size
+ )
+{
+ EFI_FILE_INFO *FileInfo;
+ EFI_STATUS Status;
+
+ if (FileHandle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ //
+ // get the FileInfo structure
+ //
+ FileInfo = FileHandleGetInfo(FileHandle);
+ if (FileInfo == NULL) {
+ return (EFI_DEVICE_ERROR);
+ }
+
+ //
+ // Assign the FileSize pointer to the new value
+ //
+ FileInfo->FileSize = Size;
+
+ Status = FileHandleSetInfo(FileHandle, FileInfo);
+ //
+ // free the FileInfo memory
+ //
+ FreePool(FileInfo);
+
+ return (Status);
+}
+
+/**
+ Safely append (on the left) with automatic string resizing given length of Destination and
+ desired length of copy from Source.
+
+ append the first D characters of Source to the end of Destination, where D is
+ the lesser of Count and the StrLen() of Source. If appending those D characters
+ will fit within Destination (whose Size is given as CurrentSize) and
+ still leave room for a NULL terminator, then those characters are appended,
+ starting at the original terminating NULL of Destination, and a new terminating
+ NULL is appended.
+
+ If appending D characters onto Destination will result in a overflow of the size
+ given in CurrentSize the string will be grown such that the copy can be performed
+ and CurrentSize will be updated to the new size.
+
+ If Source is NULL, there is nothing to append, just return the current buffer in
+ Destination.
+
+ if Destination is NULL, then return error
+ if Destination's current length (including NULL terminator) is already more then
+ CurrentSize, then ASSERT()
+
+ @param[in, out] Destination The String to append onto
+ @param[in, out] CurrentSize on call the number of bytes in Destination. On
+ return possibly the new size (still in bytes). if NULL
+ then allocate whatever is needed.
+ @param[in] Source The String to append from
+ @param[in] Count Maximum number of characters to append. if 0 then
+ all are appended.
+
+ @return Destination return the resultant string.
+**/
+CHAR16*
+EFIAPI
+StrnCatGrowLeft (
+ IN OUT CHAR16 **Destination,
+ IN OUT UINTN *CurrentSize,
+ IN CONST CHAR16 *Source,
+ IN UINTN Count
+ )
+{
+ UINTN DestinationStartSize;
+ UINTN NewSize;
+ UINTN CopySize;
+
+ if (Destination == NULL) {
+ return (NULL);
+ }
+
+ //
+ // If there's nothing to do then just return Destination
+ //
+ if (Source == NULL) {
+ return (*Destination);
+ }
+
+ //
+ // allow for NULL pointers address as Destination
+ //
+ if (*Destination != NULL) {
+ ASSERT(CurrentSize != 0);
+ DestinationStartSize = StrSize(*Destination);
+ ASSERT(DestinationStartSize <= *CurrentSize);
+ } else {
+ DestinationStartSize = 0;
+// ASSERT(*CurrentSize == 0);
+ }
+
+ //
+ // Append all of Source?
+ //
+ if (Count == 0) {
+ Count = StrSize(Source);
+ }
+
+ //
+ // Test and grow if required
+ //
+ if (CurrentSize != NULL) {
+ NewSize = *CurrentSize;
+ while (NewSize < (DestinationStartSize + Count)) {
+ NewSize += 2 * Count;
+ }
+ *Destination = ReallocatePool(*CurrentSize, NewSize, *Destination);
+ *CurrentSize = NewSize;
+ } else {
+ *Destination = AllocateZeroPool(Count+sizeof(CHAR16));
+ }
+ if (*Destination == NULL) {
+ return NULL;
+ }
+
+ CopySize = StrSize(*Destination);
+ CopyMem((*Destination)+((Count-2)/sizeof(CHAR16)), *Destination, CopySize);
+ CopyMem(*Destination, Source, Count-2);
+ return (*Destination);
+}
+
+/**
+ Function to get a full filename given a EFI_FILE_HANDLE somewhere lower on the
+ directory 'stack'.
+
+ if Handle is NULL, return EFI_INVALID_PARAMETER
+
+ @param[in] Handle Handle to the Directory or File to create path to.
+ @param[out] FullFileName pointer to pointer to generated full file name. It
+ is the responsibility of the caller to free this memory
+ with a call to FreePool().
+ @retval EFI_SUCCESS the operation was sucessful and the FullFileName is valid.
+ @retval EFI_INVALID_PARAMETER Handle was NULL.
+ @retval EFI_INVALID_PARAMETER FullFileName was NULL.
+ @retval EFI_OUT_OF_RESOURCES a memory allocation failed.
+**/
+EFI_STATUS
+EFIAPI
+FileHandleGetFileName (
+ IN CONST EFI_FILE_HANDLE Handle,
+ OUT CHAR16 **FullFileName
+ )
+{
+ EFI_STATUS Status;
+ UINTN Size;
+ EFI_FILE_HANDLE CurrentHandle;
+ EFI_FILE_HANDLE NextHigherHandle;
+ EFI_FILE_INFO *FileInfo;
+
+ Size = 0;
+
+ //
+ // Check our parameters
+ //
+ if (FullFileName == NULL || Handle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ *FullFileName = NULL;
+ CurrentHandle = NULL;
+
+ Status = Handle->Open(Handle, &CurrentHandle, L".", EFI_FILE_MODE_READ, 0);
+ if (!EFI_ERROR(Status)) {
+ //
+ // Reverse out the current directory on the device
+ //
+ for (;;) {
+ FileInfo = FileHandleGetInfo(CurrentHandle);
+ if (FileInfo == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ break;
+ } else {
+ //
+ // We got info... do we have a name? if yes preceed the current path with it...
+ //
+ if (StrLen (FileInfo->FileName) == 0) {
+ if (*FullFileName == NULL) {
+ ASSERT((*FullFileName == NULL && Size == 0) || (*FullFileName != NULL));
+ *FullFileName = StrnCatGrowLeft(FullFileName, &Size, L"\\", 0);
+ }
+ FreePool(FileInfo);
+ break;
+ } else {
+ if (*FullFileName == NULL) {
+ ASSERT((*FullFileName == NULL && Size == 0) || (*FullFileName != NULL));
+ *FullFileName = StrnCatGrowLeft(FullFileName, &Size, L"\\", 0);
+ }
+ ASSERT((*FullFileName == NULL && Size == 0) || (*FullFileName != NULL));
+ *FullFileName = StrnCatGrowLeft(FullFileName, &Size, FileInfo->FileName, 0);
+ *FullFileName = StrnCatGrowLeft(FullFileName, &Size, L"\\", 0);
+ FreePool(FileInfo);
+ }
+ }
+ //
+ // Move to the parent directory
+ //
+ Status = CurrentHandle->Open (CurrentHandle, &NextHigherHandle, L"..", EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ FileHandleClose(CurrentHandle);
+ CurrentHandle = NextHigherHandle;
+ }
+ } else if (Status == EFI_NOT_FOUND) {
+ Status = EFI_SUCCESS;
+ ASSERT((*FullFileName == NULL && Size == 0) || (*FullFileName != NULL));
+ *FullFileName = StrnCatGrowLeft(FullFileName, &Size, L"\\", 0);
+ }
+
+ if (CurrentHandle != NULL) {
+ CurrentHandle->Close (CurrentHandle);
+ }
+
+ if (EFI_ERROR(Status) && *FullFileName != NULL) {
+ FreePool(*FullFileName);
+ }
+
+ return (Status);
+}
+
+/**
+ Function to read a single line from a file. The \n is not included in the returned
+ buffer. The returned buffer must be callee freed.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle FileHandle to read from.
+ @param[in, out] Ascii Boolean value for indicating whether the file is Ascii (TRUE) or UCS2 (FALSE);
+
+ @return The line of text from the file.
+
+ @sa FileHandleReadLine
+**/
+CHAR16*
+EFIAPI
+FileHandleReturnLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN OUT BOOLEAN *Ascii
+ )
+{
+ CHAR16 *RetVal;
+ UINTN Size;
+ EFI_STATUS Status;
+
+ Size = 0;
+ RetVal = NULL;
+
+ Status = FileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ RetVal = AllocateZeroPool(Size);
+ Status = FileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
+ }
+ ASSERT_EFI_ERROR(Status);
+ if (EFI_ERROR(Status) && (RetVal != NULL)) {
+ FreePool(RetVal);
+ RetVal = NULL;
+ }
+ return (RetVal);
+}
+
+/**
+ Function to read a single line (up to but not including the \n) from a EFI_FILE_HANDLE.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle FileHandle to read from
+ @param[in, out] Buffer pointer to buffer to read into
+ @param[in, out] Size pointer to number of bytes in buffer
+ @param[in] Truncate if TRUE then allows for truncation of the line to fit.
+ if FALSE will reset the position to the begining of the
+ line if the buffer is not large enough.
+ @param[in, out] Ascii Boolean value for indicating whether the file is Ascii (TRUE) or UCS2 (FALSE);
+
+ @retval EFI_SUCCESS the operation was sucessful. the line is stored in
+ Buffer.
+ @retval EFI_INVALID_PARAMETER Handle was NULL.
+ @retval EFI_INVALID_PARAMETER Size was NULL.
+ @retval EFI_BUFFER_TOO_SMALL Size was not enough space to store the line.
+ Size was updated to minimum space required.
+ @sa FileHandleRead
+**/
+EFI_STATUS
+EFIAPI
+FileHandleReadLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN OUT CHAR16 *Buffer,
+ IN OUT UINTN *Size,
+ IN BOOLEAN Truncate,
+ IN OUT BOOLEAN *Ascii
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 CharBuffer;
+ UINTN CharSize;
+ UINTN CountSoFar;
+ UINT64 OriginalFilePosition;
+
+
+ if (Handle == NULL
+ ||Size == NULL
+ ||(Buffer==NULL&&*Size!=0)
+ ){
+ return (EFI_INVALID_PARAMETER);
+ }
+ if (Buffer != NULL) {
+ *Buffer = CHAR_NULL;
+ }
+ FileHandleGetPosition(Handle, &OriginalFilePosition);
+ if (OriginalFilePosition == 0) {
+ CharSize = sizeof(CHAR16);
+ Status = FileHandleRead(Handle, &CharSize, &CharBuffer);
+ ASSERT_EFI_ERROR(Status);
+ if (CharBuffer == gUnicodeFileTag) {
+ *Ascii = FALSE;
+ } else {
+ *Ascii = TRUE;
+ FileHandleSetPosition(Handle, OriginalFilePosition);
+ }
+ }
+
+ for (CountSoFar = 0;;CountSoFar++){
+ CharBuffer = 0;
+ if (*Ascii) {
+ CharSize = sizeof(CHAR8);
+ } else {
+ CharSize = sizeof(CHAR16);
+ }
+ Status = FileHandleRead(Handle, &CharSize, &CharBuffer);
+ if ( EFI_ERROR(Status)
+ || CharSize == 0
+ || (CharBuffer == L'\n' && !(*Ascii))
+ || (CharBuffer == '\n' && *Ascii)
+ ){
+ break;
+ }
+ //
+ // if we have space save it...
+ //
+ if ((CountSoFar+1)*sizeof(CHAR16) < *Size){
+ ASSERT(Buffer != NULL);
+ ((CHAR16*)Buffer)[CountSoFar] = CharBuffer;
+ ((CHAR16*)Buffer)[CountSoFar+1] = CHAR_NULL;
+ }
+ }
+
+ //
+ // if we ran out of space tell when...
+ //
+ if ((CountSoFar+1)*sizeof(CHAR16) > *Size){
+ *Size = (CountSoFar+1)*sizeof(CHAR16);
+ if (!Truncate) {
+ FileHandleSetPosition(Handle, OriginalFilePosition);
+ } else {
+ DEBUG((DEBUG_WARN, "The line was truncated in FileHandleReadLine"));
+ }
+ return (EFI_BUFFER_TOO_SMALL);
+ }
+ while(Buffer[StrLen(Buffer)-1] == L'\r') {
+ Buffer[StrLen(Buffer)-1] = CHAR_NULL;
+ }
+
+ return (Status);
+}
+
+/**
+ function to write a line of unicode text to a file.
+
+ if Handle is NULL, return error.
+ if Buffer is NULL, do nothing. (return SUCCESS)
+
+ @param[in] Handle FileHandle to write to
+ @param[in] Buffer Buffer to write
+
+ @retval EFI_SUCCESS the data was written.
+ @retval other failure.
+
+ @sa FileHandleWrite
+**/
+EFI_STATUS
+EFIAPI
+FileHandleWriteLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN CHAR16 *Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN Size;
+
+ if (Buffer == NULL) {
+ return (EFI_SUCCESS);
+ }
+
+ if (Handle == NULL) {
+ return (EFI_INVALID_PARAMETER);
+ }
+
+ Size = StrSize(Buffer) - sizeof(Buffer[0]);
+ Status = FileHandleWrite(Handle, &Size, Buffer);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+ Size = StrSize(L"\r\n") - sizeof(CHAR16);
+ return FileHandleWrite(Handle, &Size, L"\r\n");
+}
+
+/**
+ function to take a formatted argument and print it to a file.
+
+ @param[in] Handle the file handle for the file to write to
+ @param[in] Format the format argument (see printlib for format specifier)
+ @param[in] ... the variable arguments for the format
+
+ @retval EFI_SUCCESS the operation was sucessful
+ @return other a return value from FileHandleWriteLine
+
+ @sa FileHandleWriteLine
+**/
+EFI_STATUS
+EFIAPI
+FileHandlePrintLine(
+ IN EFI_FILE_HANDLE Handle,
+ IN CONST CHAR16 *Format,
+ ...
+ )
+{
+ VA_LIST Marker;
+ CHAR16 *Buffer;
+ EFI_STATUS Status;
+
+ //
+ // Get a buffer to print into
+ //
+ Buffer = AllocateZeroPool (PcdGet16 (PcdUefiFileHandleLibPrintBufferSize));
+ if (Buffer == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
+
+ //
+ // Print into our buffer
+ //
+ VA_START (Marker, Format);
+ UnicodeVSPrint (Buffer, PcdGet16 (PcdUefiFileHandleLibPrintBufferSize), Format, Marker);
+ VA_END (Marker);
+
+ //
+ // Print buffer into file
+ //
+ Status = FileHandleWriteLine(Handle, Buffer);
+
+ //
+ // Cleanup and return
+ //
+ FreePool(Buffer);
+ return (Status);
+}
+
+/**
+ Function to determine if a FILE_HANDLE is at the end of the file.
+
+ This will NOT work on directories.
+
+ If Handle is NULL, then return False.
+
+ @param[in] Handle the file handle
+
+ @retval TRUE the position is at the end of the file
+ @retval FALSE the position is not at the end of the file
+**/
+BOOLEAN
+EFIAPI
+FileHandleEof(
+ IN EFI_FILE_HANDLE Handle
+ )
+{
+ EFI_FILE_INFO *Info;
+ UINT64 Pos;
+ BOOLEAN RetVal;
+
+ if (Handle == NULL) {
+ return (FALSE);
+ }
+
+ FileHandleGetPosition(Handle, &Pos);
+ Info = FileHandleGetInfo (Handle);
+
+ if (Info == NULL) {
+ return (FALSE);
+ }
+
+ FileHandleSetPosition(Handle, Pos);
+
+ if (Pos == Info->FileSize) {
+ RetVal = TRUE;
+ } else {
+ RetVal = FALSE;
+ }
+
+ FreePool (Info);
+
+ return (RetVal);
+}
diff --git a/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf new file mode 100644 index 0000000000..832e949b92 --- /dev/null +++ b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf @@ -0,0 +1,47 @@ +## @file
+# Provides interface to shell functionality for shell commands and applications.
+#
+# Copyright (c) 2006 - 2014, 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.
+##
+
+[Defines]
+ INF_VERSION = 0x00010006
+ BASE_NAME = BaseFileHandleLib
+ FILE_GUID = 9495D344-9D8A-41f3-8D17-E2FD238C4E71
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = FileHandleLib|DXE_DRIVER UEFI_APPLICATION UEFI_DRIVER DXE_RUNTIME_DRIVER
+
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ UefiFileHandleLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ MemoryAllocationLib
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ PrintLib
+ PcdLib
+
+[Protocols]
+ gEfiSimpleFileSystemProtocolGuid # ALWAYS_USED
+
+[Guids]
+ gEfiFileInfoGuid # ALWAYS_CONSUMED
+
+[Pcd.common]
+ gEfiMdePkgTokenSpaceGuid.PcdUefiFileHandleLibPrintBufferSize # ALWAYS_CONSUMED
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index 6dc696e5d9..1eb4346e18 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -226,6 +226,9 @@ ## @libraryclass Defines library APIs used by modules to get/set print error level.
DebugPrintErrorLevelLib|Include/Library/DebugPrintErrorLevelLib.h
+ ## @libraryclass provides EFI_FILE_HANDLE services
+ FileHandleLib|Include/Library/FileHandleLib.h
+
[LibraryClasses.IA32, LibraryClasses.X64]
## @libraryclass Abstracts both S/W SMI generation and detection.
##
@@ -1706,6 +1709,11 @@ # @Prompt Maximum Printable Number of Characters.
gEfiMdePkgTokenSpaceGuid.PcdUefiLibMaxPrintBufferSize|320|UINT32|0x101
+ ## This is the print buffer length for FileHandleLib.
+ # FileHandlePrintLine() sizes buffers based on this PCD value for printing.
+ # @Prompt Number of Printable Characters.
+ gEfiMdePkgTokenSpaceGuid.PcdUefiFileHandleLibPrintBufferSize|1536|UINT16|0x201
+
## Indicates the allowable maximum number in extract handler table.
# @Prompt Maximum Number of GuidedExtractHandler.
gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler|0x10|UINT32|0x00000025
@@ -1785,4 +1793,4 @@ gEfiMdePkgTokenSpaceGuid.PcdDefaultTerminalType|0|UINT8|0x00000024
[UserExtensions.TianoCore."ExtraFiles"]
- MdePkgExtra.uni
\ No newline at end of file + MdePkgExtra.uni
|