updated for version 7.3.454
Problem: Re-allocating memory slows Vim down.
Solution: Use realloc() in ga_grow(). (Dominique Pelle)
diff --git a/src/misc2.c b/src/misc2.c
index a070a20..8183876 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -2064,24 +2064,22 @@
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;
diff --git a/src/version.c b/src/version.c
index c3d3555..169b9ef 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 454,
+/**/
453,
/**/
452,
