no newlines", in the case of the line cache). */
extern void know_region_cache (struct buffer *BUF,
struct region_cache *CACHE,
- EMACS_INT START, EMACS_INT END);
+ ptrdiff_t START, ptrdiff_t END);
/* Indicate that a section of BUF has changed, to invalidate CACHE.
HEAD is the number of chars unchanged at the beginning of the buffer.
args to pass are the same before and after such an operation.) */
extern void invalidate_region_cache (struct buffer *BUF,
struct region_cache *CACHE,
- EMACS_INT HEAD, EMACS_INT TAIL);
+ ptrdiff_t HEAD, ptrdiff_t TAIL);
/* The scanning functions.
position after POS where the knownness changes. */
extern int region_cache_forward (struct buffer *BUF,
struct region_cache *CACHE,
- EMACS_INT POS,
- EMACS_INT *NEXT);
+ ptrdiff_t POS,
+ ptrdiff_t *NEXT);
/* Return true if the text immediately before POS in BUF is known, for
the purposes of CACHE. If NEXT is non-zero, set *NEXT to the nearest
position before POS where the knownness changes. */
extern int region_cache_backward (struct buffer *BUF,
struct region_cache *CACHE,
- EMACS_INT POS,
- EMACS_INT *NEXT);
+ ptrdiff_t POS,
+ ptrdiff_t *NEXT);