memmgmt.c

来自「TI公司的CCS一些常用的函数库」· C语言 代码 · 共 61 行

///////////////////////////////////////////////////////////////////////////
////        (C) Copyright 1996,2003 Custom Computer Services           ////
//// This source code may only be used by licensed users of the CCS C  ////
//// compiler.  This source code may only be distributed to other      ////
//// licensed users of the CCS C compiler.  No other use, reproduction ////
//// or distribution is permitted without written permission.          ////
//// Derivative programs created using this software in object code    ////
//// form are not restricted in any way.                               ////
///////////////////////////////////////////////////////////////////////////

#if defined(__PCH__)
node_t * create_node(long size,node_t *ptr ) // create node at given location
{
   node_t *result;
   result =ptr;
   result->size=size;
   result->next = NULL;
   return result;
}
void update_node(node_t *node,long size) // update the size of given node
{
   node->size=size;
}
#define csize 32768
#define pos 15
#else
node_t * create_node(int size,node_t *ptr ) // create node at given location
{
   node_t *result;
   result =ptr;
   result->size=size;
   result->next = NULL;
   return result;
}

void update_node(node_t *node,int size)// update the size of given node
{
   node->size=size;
}

#define csize 128
#define pos 7
#endif

/* Insert node immediately after place */
void insert_node_after(node_t *place,node_t *node)// place the node after another given node
{
    if (place->next==NULL)
       node->next= NULL;
    else
       node->next=place->next;
    place->next=node;
}

void remove_node(node_t *node) {// remove the given node from the memlist
   node_t *ptr;
   for(ptr=__DYNAMIC_HEAD;ptr->next!=node;++ptr);
   ptr->next=node->next;
   node=NULL;
}