Subversion Repositories openrisc

#include <stddef.h>

#include <stdio.h>

#define HEAPSIZE        0x400

signed char *sbrk( size_t size );

union HEAP_TYPE

{

        signed long dummy;

        signed char heap[HEAPSIZE];

};

static union HEAP_TYPE  heap_area;

/* End address allocated by sbrk */

static signed char              *brk = ( signed char * ) &heap_area;

signed char *sbrk( size_t size )

{

        signed char *p;

        if( brk + size > heap_area.heap + HEAPSIZE )

        {

                p = ( signed char * ) - 1;

        }

        else

        {

                p = brk;

                brk += size;

        }

        return p;

}