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updated for version 7.3.454

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Problem:    Re-allocating memory slows Vim down.
Solution:   Use realloc() in ga_grow(). (Dominique Pelle)
This commit is contained in:
Bram Moolenaar
2012-02-22 18:12:32 +01:00
parent 58437e0409
commit 7282bc3e7e
2 changed files with 9 additions and 9 deletions
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16
src/misc2.c
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@@ -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;