nobu	2008-03-06 11:12:31 +0900 (Thu, 06 Mar 2008)

  New Revision: 15703

  Modified files:
    trunk/ChangeLog
    trunk/sprintf.c

  Log:
    * sprintf.c (rb_str_format): no need of loop.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15703&r2=15702&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/sprintf.c?r1=15703&r2=15702&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 15702)
+++ ChangeLog	(revision 15703)
@@ -1,3 +1,7 @@
+Thu Mar  6 11:12:29 2008  Nobuyoshi Nakada  <nobu@r...>
+
+	* sprintf.c (rb_str_format): no need of loop.
+
 Thu Mar  6 08:30:42 2008  Yukihiro Matsumoto  <matz@r...>
 
 	* object.c (rb_mod_freeze): call rb_class_name() directly.
Index: sprintf.c
===================================================================
--- sprintf.c	(revision 15702)
+++ sprintf.c	(revision 15703)
@@ -802,8 +802,9 @@
 			    blen++;
 			    need--;
 			}
-			while (need-- > strlen(expr)) {
-			    buf[blen++] = '0';
+			if ((need -= strlen(expr)) > 0) {
+			    memset(buf+blen, '0', need);
+			    blen += need;
 			}
 			strncpy(&buf[blen], expr, strlen(expr));
 		    }

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