Diff: libs/Network/uip/lib/memb.c

Revision:

3:f151d08d335c

Parent:

2:1df0b61d3b5a

--- a/libs/Network/uip/lib/memb.c	Fri Feb 28 18:52:52 2014 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,104 +0,0 @@
-/*
- * Copyright (c) 2004, Swedish Institute of Computer Science.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the Institute nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This file is part of the uIP TCP/IP stack
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: memb.c,v 1.1 2006/06/12 08:21:43 adam Exp $
- */
-
-/**
- * \addtogroup memb
- * @{
- */
-
- /**
- * \file
- * Memory block allocation routines.
- * \author Adam Dunkels <adam@sics.se>
- */
-#include <string.h>
-
-#include "memb.h"
-
-/*---------------------------------------------------------------------------*/
-void
-memb_init(struct memb_blocks *m)
-{
-  memset(m->count, 0, m->num);
-  memset(m->mem, 0, m->size * m->num);
-}
-/*---------------------------------------------------------------------------*/
-void *
-memb_alloc(struct memb_blocks *m)
-{
-  int i;
-
-  for(i = 0; i < m->num; ++i) {
-    if(m->count[i] == 0) {
-      /* If this block was unused, we increase the reference count to
-	 indicate that it now is used and return a pointer to the
-	 memory block. */
-      ++(m->count[i]);
-      return (void *)((char *)m->mem + (i * m->size));
-    }
-  }
-
-  /* No free block was found, so we return NULL to indicate failure to
-     allocate block. */
-  return NULL;
-}
-/*---------------------------------------------------------------------------*/
-char
-memb_free(struct memb_blocks *m, void *ptr)
-{
-  int i;
-  char *ptr2;
-
-  /* Walk through the list of blocks and try to find the block to
-     which the pointer "ptr" points to. */
-  ptr2 = (char *)m->mem;
-  for(i = 0; i < m->num; ++i) {
-    
-    if(ptr2 == (char *)ptr) {
-      /* We've found to block to which "ptr" points so we decrease the
-	 reference count and return the new value of it. */
-      if(m->count[i] > 0) {
-	/* Make sure that we don't deallocate free memory. */
-	--(m->count[i]);
-      }
-      return m->count[i];
-    }
-    ptr2 += m->size;
-  }
-  return -1;
-}
-/*---------------------------------------------------------------------------*/
-
-/** @} */