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/*******************************************************************
** w16mem.c -- Implement memory segment functions.
**
** 
********************************************************************
*/
#include "primpl.h"


/*
**	Allocate a new memory segment.
**	
**	Return the segment's access rights and size.  
*/
PRStatus _MD_AllocSegment(PRSegment *seg, PRUint32 size, void *vaddr)
{
	PR_ASSERT(seg != 0);
	PR_ASSERT(size != 0);
	PR_ASSERT(vaddr == 0);

	/*	
	** Take the actual memory for the segment out of our Figment heap.
	*/

	seg->vaddr = (char *)malloc(size);

	if (seg->vaddr == NULL) {
		return PR_FAILURE;
	}

	seg->size = size;	

	return PR_SUCCESS;
} /* --- end _MD_AllocSegment() --- */


/*
**	Free previously allocated memory segment.
*/
void _MD_FreeSegment(PRSegment *seg)
{
	PR_ASSERT((seg->flags & _PR_SEG_VM) == 0);

	if (seg->vaddr != NULL)
		free( seg->vaddr );
    return;
} /* --- end _MD_FreeSegment() --- */