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vim-patch:7.4.499

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Problem:    substitute() can be slow with long strings.
Solution:   Store a pointer to the end, instead of calling strlen() every
	    time. (Ozaki Kiichi)

https://code.google.com/p/vim/source/detail?r=v7-4-499
This commit is contained in:
Florian Walch 2014-12-23 14:35:59 +01:00
parent 4f6bb8a9a9
commit 2ba50a7846
2 changed files with 4 additions and 2 deletions
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4
src/nvim/eval.c
View File

@ -19665,6 +19665,7 @@ char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, char_u *flags)
regmatch_T regmatch;
int do_all;
char_u *tail;
char_u *end;
garray_T ga;
char_u *save_cpo;
char_u *zero_width = NULL;
@ -19681,6 +19682,7 @@ char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, char_u *flags)
regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
if (regmatch.regprog != NULL) {
tail = str;
end = str + STRLEN(str);
while (vim_regexec_nl(&regmatch, str, (colnr_T)(tail - str))) {
/* Skip empty match except for first match. */
if (regmatch.startp[0] == regmatch.endp[0]) {
@ -19703,7 +19705,7 @@ char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, char_u *flags)
* - The text after the match.
*/
sublen = vim_regsub(&regmatch, sub, tail, FALSE, TRUE, FALSE);
ga_grow(&ga, (int)(STRLEN(tail) + sublen -
ga_grow(&ga, (int)((end - tail) + sublen -
(regmatch.endp[0] - regmatch.startp[0])));
/* copy the text up to where the match is */

2
src/nvim/version.c
View File

@ -239,7 +239,7 @@ static int included_patches[] = {
//502,
//501 NA
//500,
//499,
499,
//498 NA
//497,
//496 NA