# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1562357704 -7200
# Node ID 306a51f4c7310613c696a3893d1954e62630ffbb
# Parent  ccddc705acef4f87aa6cd2bda26e0c9aa8b5248d
patch 8.1.1639: changing an autoload name into a file name is inefficient

commit https://github.com/vim/vim/commit/28fc247f8d94a1cfabbcf2691ca942bde96f6d2f
Author: Bram Moolenaar <Bram@vim.org>
Date:   Fri Jul 5 22:14:16 2019 +0200

    patch 8.1.1639: changing an autoload name into a file name is inefficient

    Problem:    Changing an autoload name into a script file name is inefficient.
    Solution:   Remember the last replaced #. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/4618)

diff --git a/src/eval.c b/src/eval.c
--- a/src/eval.c
+++ b/src/eval.c
@@ -9219,23 +9219,24 @@ find_option_end(char_u **arg, int *opt_f
 /*
  * Return the autoload script name for a function or variable name.
  * Returns NULL when out of memory.
+ * Caller must make sure that "name" contains AUTOLOAD_CHAR.
  */
     char_u *
 autoload_name(char_u *name)
 {
-    char_u	*p;
+    char_u	*p, *q = NULL;
     char_u	*scriptname;
 
-    /* Get the script file name: replace '#' with '/', append ".vim". */
+    // Get the script file name: replace '#' with '/', append ".vim".
     scriptname = alloc(STRLEN(name) + 14);
     if (scriptname == NULL)
 	return FALSE;
     STRCPY(scriptname, "autoload/");
     STRCAT(scriptname, name);
-    *vim_strrchr(scriptname, AUTOLOAD_CHAR) = NUL;
-    STRCAT(scriptname, ".vim");
-    while ((p = vim_strchr(scriptname, AUTOLOAD_CHAR)) != NULL)
+    for (p = scriptname + 9; (p = vim_strchr(p, AUTOLOAD_CHAR)) != NULL;
+								    q = p, ++p)
 	*p = '/';
+    STRCPY(q, ".vim");
     return scriptname;
 }
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1639,
+/**/
     1638,
 /**/
     1637,