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author | Dmitry Antipov <dmantipov@yandex.ru> | 2013-01-09 17:50:22 +0400 |
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committer | Dmitry Antipov <dmantipov@yandex.ru> | 2013-01-09 17:50:22 +0400 |
commit | eefd727851555237c7bc205b7ad255c50ba3fff9 (patch) | |
tree | 5009d8d2c8773c64504252c8e8738f14b84d2547 /src/buffer.h | |
parent | ccd04887a3f15ce0e52af801d8a70c91d695f78c (diff) | |
download | emacs-eefd727851555237c7bc205b7ad255c50ba3fff9.tar.gz |
* lisp.h (make_gap_1): New prototype.
* buffer.h (GAP_BYTES_DFL, GAP_BYTES_MIN): New macros for the special
gap size values.
* editfns.c (Fbuffer_size): Rename from Fbufsize to fit the common
naming convention.
(syms_of_editfns): Adjust defsubr. Drop commented-out obsolete code.
* insdel.c (make_gap_larger): Use GAP_BYTES_DFL.
(make_gap_smaller): Use GAP_BYTES_MIN. Adjust comment.
(make_gap_1): New function to adjust the gap of any buffer.
* coding.c (coding_alloc_by_making_gap): Use it.
* buffer.c (compact_buffer): Likewise. Use BUF_Z_BYTE, BUF_GAP_SIZE,
GAP_BYTES_DFL and GAP_BYTES_MIN. Adjust comment.
Diffstat (limited to 'src/buffer.h')
-rw-r--r-- | src/buffer.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/buffer.h b/src/buffer.h index eb6a9d4d3e1..ec9c34b3eb3 100644 --- a/src/buffer.h +++ b/src/buffer.h @@ -320,6 +320,16 @@ while (0) #define BUF_BYTES_MAX \ (ptrdiff_t) min (MOST_POSITIVE_FIXNUM - 1, min (SIZE_MAX, PTRDIFF_MAX)) +/* Maximum gap size after compact_buffer, in bytes. Also + used in make_gap_larger to get some extra reserved space. */ + +#define GAP_BYTES_DFL 2000 + +/* Minimum gap size after compact_buffer, in bytes. Also + used in make_gap_smaller to avoid too small gap size. */ + +#define GAP_BYTES_MIN 20 + /* Return the address of byte position N in current buffer. */ #define BYTE_POS_ADDR(n) \ |