openblt

a hobby OS from the late 90s
git clone http://frotz.net/git/openblt.git
Log | Files | Refs | LICENSE

support.c (1957B)


      1 /* $Id: //depot/blt/srv/network/device/ne/support.c#1 $
      2 **
      3 ** Copyright 1999 Sidney Cammeresi
      4 ** All rights reserved.
      5 **
      6 ** Redistribution and use in source and binary forms, with or without
      7 ** modification, are permitted provided that the following conditions
      8 ** are met:
      9 ** 1. Redistributions of source code must retain the above copyright
     10 **    notice, this list of conditions, and the following disclaimer.
     11 ** 2. Redistributions in binary form must reproduce the above copyright
     12 **    notice, this list of conditions, and the following disclaimer in the
     13 **    documentation and/or other materials provided with the distribution.
     14 ** 3. The name of the author may not be used to endorse or promote products
     15 **    derived from this software without specific prior written permission.
     16 **
     17 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 */
     28 
     29 #include <stdlib.h>
     30 #include "ne2000.h"
     31 
     32 unsigned int ticks;
     33 
     34 void idle (void)
     35 {
     36 	int i;
     37 
     38 	for (i = 0; i < 1000; i++)
     39 		ticks++;
     40 }
     41 
     42 packet_data *alloc_buffer_data (uint size)
     43 {
     44 	packet_data *data;
     45 
     46 	data = malloc (sizeof (packet_data));
     47 	data->len = size;
     48 	data->ptr = malloc (size);
     49 	return data;
     50 }
     51 
     52 void free_buffer (packet_buffer *buf)
     53 {
     54 	free (buf);
     55 }
     56 
     57 void free_buffer_data (packet_data *pd)
     58 {
     59 	free (pd->ptr);
     60 	free (pd);
     61 }
     62