-static inline char *window_ptr(struct map_struct *buf,int off,int len)
-{
- static char *p=NULL;
- static int p_len = 0;
- static int p_off = 0;
-
- if (off == 0) {
- p_off = 0;
- p_len = CHUNK_SIZE;
- p = map_ptr(buf,p_off,p_len);
- }
-
- while (off+len > p_off+p_len) {
- p_off += CHUNK_SIZE;
- p_len = CHUNK_SIZE;
- p = map_ptr(buf,p_off,p_len);
- }
-
- return(p + (off-p_off));
-}
-
-