X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/11fdef7d0cf3ef1ce30d1cd09ca9ca9a2b099d20..01fcc3a532872b29784a4d888ab9cc1aef0eed01:/src/region-cache.h diff --git a/src/region-cache.h b/src/region-cache.h index ea767ed0dc..e4c6b59ee9 100644 --- a/src/region-cache.h +++ b/src/region-cache.h @@ -1,7 +1,7 @@ /* Header file: Caching facts about regions of the buffer, for optimization. -Copyright (C) 1985-1986, 1993, 1995, 2001-2011 - Free Software Foundation, Inc. +Copyright (C) 1985-1986, 1993, 1995, 2001-2013 Free Software Foundation, +Inc. This file is part of GNU Emacs. @@ -40,7 +40,7 @@ along with GNU Emacs. If not, see . */ existing data structure, and disturb as little of the existing code as possible. - So here's the tack. We add some caching to the scan_buffer + So here's the tack. We add some caching to the find_newline function, so that when it searches for a newline, it notes that the region between the start and end of the search contained no newlines; then, the next time around, it consults this cache to see @@ -72,7 +72,7 @@ void free_region_cache (struct region_cache *); 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. @@ -84,7 +84,7 @@ extern void know_region_cache (struct buffer *BUF, 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. @@ -97,16 +97,16 @@ extern void invalidate_region_cache (struct buffer *BUF, /* Return true if the text immediately after POS in BUF is known, for the purposes of CACHE. If NEXT is non-zero, set *NEXT to the nearest - position after POS where the knownness changes. */ + position after POS where the knowledge 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. */ + position before POS where the knowledge 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);