-/* partmap.c */
-
-struct partmap {
- int fd;
- sh_off_t file_size;
- sh_off_t start_off, end_off;
- byte *start_map;
- int writeable;
-};
-
-struct partmap;
-struct partmap *partmap_open(byte *name, int writeable);
-void partmap_close(struct partmap *p);
-sh_off_t partmap_size(struct partmap *p);
-void partmap_load(struct partmap *p, sh_off_t start, uns size);
-
-static inline void *
-partmap_map(struct partmap *p, sh_off_t start, uns size)
-{
- if (unlikely(!p->start_map || start < p->start_off || (sh_off_t) (start+size) > p->end_off))
- partmap_load(p, start, size);
- return p->start_map + (start - p->start_off);
-}
-
-static inline void *
-partmap_map_forward(struct partmap *p, sh_off_t start, uns size)
-{
- if (unlikely((sh_off_t) (start+size) > p->end_off))
- partmap_load(p, start, size);
- return p->start_map + (start - p->start_off);
-}
-