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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.454
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.454
+Problem:    Re-allocating memory slows Vim down.
+Solution:   Use realloc() in ga_grow(). (Dominique Pelle)
+Files:	    src/misc2.c
+
+
+*** ../vim-7.3.453/src/misc2.c	2012-02-22 14:58:24.000000000 +0100
+--- src/misc2.c	2012-02-22 18:07:45.000000000 +0100
+***************
+*** 2064,2087 ****
+      garray_T	*gap;
+      int		n;
+  {
+!     size_t	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);
+  	if (pp == NULL)
+  	    return FAIL;
+  	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;
+--- 2064,2085 ----
+      garray_T	*gap;
+      int		n;
+  {
+!     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;
+! 	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;
+  	gap->ga_data = pp;
+      }
+      return OK;
+*** ../vim-7.3.453/src/version.c	2012-02-22 17:58:00.000000000 +0100
+--- src/version.c	2012-02-22 18:09:42.000000000 +0100
+***************
+*** 716,717 ****
+--- 716,719 ----
+  {   /* Add new patch number below this line */
++ /**/
++     454,
+  /**/
+
+-- 
+From "know your smileys":
+ (X0||)   Double hamburger with lettuce and tomato
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///