From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 22 Sep 1996 04:38:10 +0000 (+0000)
Subject: (REGEXP_CACHE_SIZE): Increase to 20.
X-Git-Tag: emacs-20.1~3669
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1d288aefee1f72d5a0b56d90eca25aef7f32014f;p=emacs.git

(REGEXP_CACHE_SIZE): Increase to 20.
(compile_pattern): Check for size match before calling Fstring_equal.
---

diff --git a/src/search.c b/src/search.c
index 6f4355f5b88..5713e53fd90 100644
--- a/src/search.c
+++ b/src/search.c
@@ -30,11 +30,12 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/types.h>
 #include "regex.h"
 
-#define REGEXP_CACHE_SIZE 5
+#define REGEXP_CACHE_SIZE 20
 
 /* If the regexp is non-nil, then the buffer contains the compiled form
    of that regexp, suitable for searching.  */
-struct regexp_cache {
+struct regexp_cache
+{
   struct regexp_cache *next;
   Lisp_Object regexp;
   struct re_pattern_buffer buf;
@@ -156,7 +157,8 @@ compile_pattern (pattern, regp, translate, posix)
   for (cpp = &searchbuf_head; ; cpp = &cp->next)
     {
       cp = *cpp;
-      if (!NILP (Fstring_equal (cp->regexp, pattern))
+      if (XSTRING (cp->regexp)->size == XSTRING (pattern)->size
+	  && !NILP (Fstring_equal (cp->regexp, pattern))
 	  && cp->buf.translate == translate
 	  && cp->posix == posix)
 	break;