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Diffstat (limited to 'c/src/libmisc/devnull/devnull.c')
-rw-r--r-- | c/src/libmisc/devnull/devnull.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/c/src/libmisc/devnull/devnull.c b/c/src/libmisc/devnull/devnull.c deleted file mode 100644 index 3d55b9be7a..0000000000 --- a/c/src/libmisc/devnull/devnull.c +++ /dev/null @@ -1,180 +0,0 @@ -/* /dev/null - * - * Derived from rtems' stub driver. - * - * Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de) - * - * COPYRIGHT (c) 1989-2000. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> -#include <rtems/devnull.h> -#include <rtems/libio.h> - -/* null_initialize - * - * This routine is the null device driver init routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargp - pointer to parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_unsigned32 NULL_major; -static char initialized; - -rtems_device_driver null_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - rtems_device_driver status; - - if ( !initialized ) { - initialized = 1; - - status = rtems_io_register_name( - "/dev/null", - major, - (rtems_device_minor_number) 0 - ); - - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - NULL_major = major; - } - - return RTEMS_SUCCESSFUL; -} - -/* null_open - * - * This routine is the null device driver open routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargb - pointer to open parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_device_driver null_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - return NULL_SUCCESSFUL; -} - - -/* null_close - * - * This routine is the null device driver close routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargb - pointer to close parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_device_driver null_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - return NULL_SUCCESSFUL; -} - - -/* null_read - * - * This routine is the null device driver read routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargp - pointer to read parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_device_driver null_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - return NULL_SUCCESSFUL; -} - - -/* null_write - * - * This routine is the null device driver write routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargp - pointer to write parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_device_driver null_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) pargp; - - if ( rw_args ) - rw_args->bytes_moved = rw_args->count; - - return NULL_SUCCESSFUL; -} - - -/* null_control - * - * This routine is the null device driver control routine. - * - * Input parameters: - * major - device major number - * minor - device minor number - * pargp - pointer to cntrl parameter block - * - * Output parameters: - * rval - NULL_SUCCESSFUL - */ - -rtems_device_driver null_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - return NULL_SUCCESSFUL; -} |