/* Function : CyU3PMemFree
* Description : This function frees memory previously allocated using CyU3PMemAlloc.
* Parameters :
* size : Pointer to memory block to be freed.
*/
void
CyU3PMemFree (
void *mem_p)
{
#ifdef CYFXTX_ERRORDETECTION
MemBlockInfo *block_p;
uint32_t *endsig_p;
#endif
/* Validity check for the pointer. */
if ((uint32_t)mem_p < CY_U3P_MEM_HEAP_BASE)
return;
#ifdef CYFXTX_ERRORDETECTION
/* If memory checks are enabled, ensure that the block is valid; and perform
the required book-keeping as well. */
if (glMemEnableChecks)
{
block_p = (MemBlockInfo *)((uint8_t *)mem_p - sizeof (MemBlockInfo));
endsig_p = (uint32_t *)((uint8_t *)block_p + block_p->alloc_size - sizeof (uint32_t));
if ((block_p->start_sig != CY_U3P_MEM_START_SIG) || (*endsig_p != CY_U3P_MEM_END_SIG))
{
/* Notify the user that memory has been corrupted. */
if (glMemBadCb != 0)
glMemBadCb (mem_p);
}
glMemFreeCnt++;
/* Update the in-use linked list to drop the freed-up block. */
if (block_p->next_blk != 0)
block_p->next_blk->prev_blk = block_p->prev_blk;
if (block_p->prev_blk != 0)
block_p->prev_blk->next_blk = block_p->next_blk;
if (glMemInUseList == block_p)
{
glMemInUseList = block_p->prev_blk;
}
mem_p = (void *)block_p;
}
#endif
CyU3PByteFree (mem_p);
}
void
CyU3PMemFree (
void *mem_p)
{
CyU3PByteFree (mem_p);
}