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patch 7.4.2018

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Problem:    buf_valid() can be slow when there are many buffers.
Solution:   Add bufref_valid(), only go through the buffer list when a buffer
            was freed.
This commit is contained in:
Bram Moolenaar
2016-07-10 18:21:50 +02:00
parent 8240433f48
commit b25f9a97e9
5 changed files with 108 additions and 29 deletions
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8
src/quickfix.c
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@@ -1487,7 +1487,7 @@ copy_loclist(win_T *from, win_T *to)
* to make this a lot faster if there are multiple matches in the same file.
*/
static char_u *qf_last_bufname = NULL;
static buf_T *qf_last_buf = NULL;
static bufref_T qf_last_bufref = {NULL, 0};
/*
* Get buffer number for file "dir.name".
@@ -1536,9 +1536,9 @@ qf_get_fnum(qf_info_T *qi, char_u *directory, char_u *fname)
bufname = fname;
if (qf_last_bufname != NULL && STRCMP(bufname, qf_last_bufname) == 0
&& buf_valid(qf_last_buf))
&& bufref_valid(&qf_last_bufref))
{
buf = qf_last_buf;
buf = qf_last_bufref.br_buf;
vim_free(ptr);
}
else
@@ -1549,7 +1549,7 @@ qf_get_fnum(qf_info_T *qi, char_u *directory, char_u *fname)
qf_last_bufname = bufname;
else
qf_last_bufname = vim_strsave(bufname);
qf_last_buf = buf;
set_bufref(&qf_last_bufref, buf);
}
if (buf == NULL)
return 0;