ShellPkg: Update comments for functions to clarify buffer origin.

Signed-off-by: darylm503
Reviewed-by: jljusten



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12687 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 41 insertions, 37 deletions

diff --git a/ShellPkg/Include/Library/FileHandleLib.h b/ShellPkg/Include/Library/FileHandleLib.h
index a21e20ed95..6c79397570 100644
--- a/ShellPkg/Include/Library/FileHandleLib.h
+++ b/ShellPkg/Include/Library/FileHandleLib.h
@@ -49,20 +49,20 @@ FileHandleGetInfo (
 

   @param[in]  FileInfo          The information to set.

 

-  @retval EFI_SUCCESS		        The information was 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_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 EFI_FILE_HANDLE            FileHandle,

   IN CONST EFI_FILE_INFO        *FileInfo

   );

 

@@ -87,11 +87,11 @@ FileHandleSetInfo (
                                  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

+  @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.

 

 **/

@@ -118,14 +118,14 @@ FileHandleRead(
                                  the number of bytes written.

   @param[in] Buffer              The buffer containing data to write is stored.

 

-  @retval EFI_SUCCESS	        Data was written.

+  @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.

+  @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

@@ -164,12 +164,12 @@ FileHandleClose (
   @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.

+  @retval INVALID_PARAMETER         One of the parameters has an invalid value.

 **/

 EFI_STATUS

 EFIAPI

 FileHandleDelete (

-  IN EFI_FILE_HANDLE		FileHandle

+  IN EFI_FILE_HANDLE    FileHandle

   );

 

 /**

@@ -194,8 +194,8 @@ FileHandleDelete (
 EFI_STATUS

 EFIAPI

 FileHandleSetPosition (

-  IN EFI_FILE_HANDLE   	FileHandle,

-  IN UINT64           	Position

+  IN EFI_FILE_HANDLE    FileHandle,

+  IN UINT64             Position

   );

 

 /**

@@ -259,14 +259,18 @@ FileHandleIsDirectory (
   IN EFI_FILE_HANDLE            DirHandle

   );

 

-/**

-  Retrieves the first file from a directory.

+/** Retrieve first entry from a directory.

 

-  This function opens a directory and gets the first file's information in the

-  directory. The caller the uses FileHandleFindNextFile() to get other files.  When

-  complete, the caller is responsible for calling FreePool() on *Buffer.

+  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.

 

-  @param[in] DirHandle          The file handle of the directory to search.

+  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.

@@ -283,17 +287,17 @@ FileHandleFindFirstFile (
   IN EFI_FILE_HANDLE            DirHandle,

   OUT EFI_FILE_INFO             **Buffer

   );

-/**

-  Retrieves the next file in a directory.

 

-  To use this function, caller must call the FileHandleFindFirstFile() to get the

-  first file, and then use this function get other files. This function can be

-  called for several times to get each file's information in the directory. If

-  the call of FileHandleFindNextFile() got the last file in the directory, the next

-  call of this function has no file to get. *NoFile will be set to TRUE and the

-  Buffer memory will be automatically freed.

+/** 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[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.