Changeset 2742 for trunk/libc/include/klibc/io.h

Timestamp:

Jul 26, 2006, 3:35:40 AM (19 years ago)

Author:

bird

Message:

More backend porting.

File:

• trunk/libc/include/klibc/io.h (modified) (1 diff)

trunk/libc/include/klibc/io.h

@@ -85 +85 @@
      */
     int (*pfnWrite)(struct __libc_FileHandle *pFH, const void *pvBuf, size_t cbWrite, size_t *pcbWritten);
+    /** Seek operation.
+     * @returns 0 on success.
+     * @returns Negated errno on failure.
+     * @param   pFH         Pointer to the handle structure to operate on.
+     * @param   off         The seek offset.
+     * @param   iMethod     The seek method (SEEK_SET, SEEK_CUR, SEEK_END).
+     * @param   poffActual  Where to store the new offset.
+     */
+    int (*pfnSeek)(struct __libc_FileHandle *pFH, off_t off, int iMethod, off_t *poffActual);
+    /**
+     * Sets the size of an open file.
+     *
+     * @returns 0 on success.
+     * @returns Negative error code (errno.h) on failure.
+     * @param   pFH     The file handle structure.
+     * @param   cbFile  The new filesize.
+     * @param   fZero   If set any new allocated file space should be initialized to zero.
+     */
+    int (*pfnSizeSet)(struct __libc_FileHandle *pFH, off_t cbFile, int fZero);
     /** Duplicate handle operation.
      * @returns 0 on success.