nobu	2010-04-14 17:56:11 +0900 (Wed, 14 Apr 2010)

  New Revision: 27340

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=27340

  Log:
    * io.c (io_shift_cbuf): should terminate.
      http://golf.shinh.org/p.rb?DECimal+number+to+BINary#Ruby

  Modified files:
    trunk/ChangeLog
    trunk/io.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 27339)
+++ ChangeLog	(revision 27340)
@@ -1,3 +1,8 @@
+Wed Apr 14 17:56:06 2010  Nobuyoshi Nakada  <nobu@r...>
+
+	* io.c (io_shift_cbuf): should terminate.
+	  http://golf.shinh.org/p.rb?DECimal+number+to+BINary#Ruby
+
 Wed Apr 14 16:29:02 2010  Nobuyoshi Nakada  <nobu@r...>
 
 	* gc.c (GET_STACK_BOUNDS): fixed macro argument names.  a patch from
Index: io.c
===================================================================
--- io.c	(revision 27339)
+++ io.c	(revision 27340)
@@ -1698,11 +1698,8 @@
         *strp = str = rb_str_new(fptr->cbuf+fptr->cbuf_off, len);
     }
     else {
-        size_t slen;
         str = *strp;
-        slen = RSTRING_LEN(str);
-        rb_str_resize(str, RSTRING_LEN(str) + len);
-        memcpy(RSTRING_PTR(str)+slen, fptr->cbuf+fptr->cbuf_off, len);
+        rb_str_cat(str, fptr->cbuf+fptr->cbuf_off, len);
     }
     fptr->cbuf_off += len;
     fptr->cbuf_len -= len;

--
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