Mercurial > vim
changeset 3376:1632640a24b4 v7.3.454
updated for version 7.3.454
Problem: Re-allocating memory slows Vim down.
Solution: Use realloc() in ga_grow(). (Dominique Pelle)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Wed, 22 Feb 2012 18:12:32 +0100 |
parents | 3b20f1364365 |
children | 93a2ac06bdff |
files | src/misc2.c src/version.c |
diffstat | 2 files changed, 9 insertions(+), 9 deletions(-) [+] |
line wrap: on
line diff
--- a/src/misc2.c +++ b/src/misc2.c @@ -2064,24 +2064,22 @@ ga_grow(gap, n) garray_T *gap; int n; { - size_t len; + size_t old_len; + size_t new_len; char_u *pp; if (gap->ga_maxlen - gap->ga_len < n) { if (n < gap->ga_growsize) n = gap->ga_growsize; - len = gap->ga_itemsize * (gap->ga_len + n); - pp = alloc_clear((unsigned)len); + new_len = gap->ga_itemsize * (gap->ga_len + n); + pp = (gap->ga_data == NULL) + ? alloc(new_len) : vim_realloc(gap->ga_data, new_len); if (pp == NULL) return FAIL; + old_len = gap->ga_itemsize * gap->ga_maxlen; + vim_memset(pp + old_len, 0, new_len - old_len); gap->ga_maxlen = gap->ga_len + n; - if (gap->ga_data != NULL) - { - mch_memmove(pp, gap->ga_data, - (size_t)(gap->ga_itemsize * gap->ga_len)); - vim_free(gap->ga_data); - } gap->ga_data = pp; } return OK;