Subversion Repositories scarts

#include <sys/types.h>

#include <errno.h>

#include "modules.h"

/* _end is defined by the linker script. */

extern int _end;

caddr_t

sbrk (int incr)

{

  static caddr_t heap_end;

  caddr_t prev_heap_end;

  if (heap_end == 0)

    heap_end = (caddr_t) (&_end);

  prev_heap_end = heap_end;

  if (heap_end + incr > FPZ)

  {

    errno = ENOMEM;

    return (caddr_t) -1;

  }

  heap_end += incr;

  return prev_heap_end;

}