Lab 1 Program C
Fork of mbed by
Diff: FileHandle.h
- Revision:
- 43:aff670d0d510
- Parent:
- 27:7110ebee3484
--- a/FileHandle.h Wed Aug 29 12:44:47 2012 +0100 +++ b/FileHandle.h Wed Oct 24 10:44:49 2012 +0000 @@ -17,81 +17,74 @@ namespace mbed { -/* Class FileHandle - * An OO equivalent of the internal FILEHANDLE variable - * and associated _sys_* functions +/** An OO equivalent of the internal FILEHANDLE variable + * and associated _sys_* functions. * - * FileHandle is an abstract class, needing at least sys_write and - * sys_read to be implmented for a simple interactive device + * FileHandle is an abstract class, needing at least sys_write and + * sys_read to be implmented for a simple interactive device. * - * No one ever directly tals to/instanciates a FileHandle - it gets - * created by FileSystem, and wrapped up by stdio + * No one ever directly tals to/instanciates a FileHandle - it gets + * created by FileSystem, and wrapped up by stdio. */ class FileHandle { public: - /* Function write - * Write the contents of a buffer to the file + /** Write the contents of a buffer to the file * - * Parameters - * buffer - the buffer to write from - * length - the number of characters to write + * @param buffer the buffer to write from + * @param length the number of characters to write * - * Returns - * The number of characters written (possibly 0) on success, -1 on error. + * @returns + * The number of characters written (possibly 0) on success, -1 on error. */ virtual ssize_t write(const void* buffer, size_t length) = 0; - /* Function close - * Close the file + /** Close the file * - * Returns - * Zero on success, -1 on error. + * @returns + * Zero on success, -1 on error. */ virtual int close() = 0; - /* Function read + /** Function read * Reads the contents of the file into a buffer * - * Parameters - * buffer - the buffer to read in to - * length - the number of characters to read + * @param buffer the buffer to read in to + * @param length the number of characters to read * - * Returns - * The number of characters read (zero at end of file) on success, -1 on error. + * @returns + * The number of characters read (zero at end of file) on success, -1 on error. */ virtual ssize_t read(void* buffer, size_t length) = 0; - /* Function isatty - * Check if the handle is for a interactive terminal device + /** Check if the handle is for a interactive terminal device. + * If so, line buffered behaviour is used by default * - * If so, line buffered behaviour is used by default - * - * Returns - * 1 if it is a terminal, 0 otherwise + * @returns + * 1 if it is a terminal, + * 0 otherwise */ virtual int isatty() = 0 ; - /* Function lseek - * Move the file position to a given offset from a given location. + /** Move the file position to a given offset from a given location. * - * Parameters - * offset - The offset from whence to move to - * whence - SEEK_SET for the start of the file, SEEK_CUR for the + * @param offset The offset from whence to move to + * @param whence SEEK_SET for the start of the file, SEEK_CUR for the * current file position, or SEEK_END for the end of the file. * - * Returns - * New file position on success, -1 on failure or unsupported + * @returns + * new file position on success, + * -1 on failure or unsupported */ virtual off_t lseek(off_t offset, int whence) = 0; - /* Function fsync - * Flush any buffers associated with the FileHandle, ensuring it + /** Flush any buffers associated with the FileHandle, ensuring it * is up to date on disk * - * Returns - * 0 on success or un-needed, -1 on error + * @returns + * 0 on success or un-needed, + * -1 on error */ virtual int fsync() = 0;