#include <cafe/fs.h> FSStatus FSTruncateFile( FSClient *client, FSCmdBlock *block, FSFileHandle fileHandle, FSRetFlag errHandling ); FSStatus FSTruncateFileAsync( FSClient *client, FSCmdBlock *block, FSFileHandle fileHandle, FSRetFlag errHandling, const FSAsyncParams *asyncParams );
|client||Pointer to the client buffer.|
|fileHandle||Handle of the file.|
|errHandling||Auto error handling flag. Only indicated errors are returned.|
|asyncParams||(Async API only) Notification parameters for an asynchronous call.|
||The command was canceled.|
||Access mode is invalid (e.g. Opened file is not writable mode).|
||Associated file system does not support this function.|
||Data space cannot be allocated.|
||Journaling space is full and new journaling block cannot be allocated.|
||(Only for manually mounted devices) Media is not present.|
||(Only for manually mounted devices) Media is in some inaccessible condition.|
||(Only for manually mounted devices) The data is corrupted beyond repair. The volume needs format.|
||Successfully issued request.|
||The argument is invalid.|
Truncates file designated by fileHandle with current file position.
Both a sync and async style API are provided. To use the async API, set the user callback and parameters in asyncParams.
For more information, see
|Thread that displays graphics||Do not call this function from a thread that displays graphics. This function may block indefinitely in error cases and the application must be able to display appropriate messages.|
|Thread that handles system messages||Do not call this function from a thread that handles system messages. This function may block indefinitely in error cases and the application must be able to handle system events such as shutdown.|
|Callbacks||Do not call this function from any callback function.|
|Interrupt handler||Do not call this function from any interrupt handler.|
|Exception handler||Do not call this function from any exception handler.|
2014/09/16 Added "Thread that displays graphics" and "Thread that handles system messages" to "Do not call from".
2013/12/10 Added FS_STATUS_UNSUPPORTED_CMD to return values.
2013/06/28 Removed FS_STATUS_TOO_BIG from return values.
2013/05/23 Added FS_STATUS_DATA_CORRUPTED to return values.
2013/05/08 Automated cleanup pass.
2013/01/10 Added "Callback" to "Do not call from".
2012/07/20 Readability and correctness cleanup.
2011/02/20 Initial version.