diff options
author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-12 00:35:11 +0000 |
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committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-12 00:35:11 +0000 |
commit | b0934ac4b0cfae7f537fcc7f2b1c9124e59fda52 (patch) | |
tree | 382212d856e9546d7a41256a5c129de7832c7ab0 /ShellPkg/Include/Library/FileHandleLib.h | |
parent | 031acf6336e92392966825b05600e4da1c24c655 (diff) | |
download | edk2-platforms-b0934ac4b0cfae7f537fcc7f2b1c9124e59fda52.tar.xz |
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
Diffstat (limited to 'ShellPkg/Include/Library/FileHandleLib.h')
-rw-r--r-- | ShellPkg/Include/Library/FileHandleLib.h | 78 |
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.
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