charset.c (convert_no_conversion): Reallocate memory with 25% headroom.

2014-10-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
            Jeff Law  <law@redhat.com>

        * charset.c (convert_no_conversion): Reallocate memory with 25%
        headroom.

Co-Authored-By: Jeff Law <law@redhat.com>

From-SVN: r215785

libcpp/ChangeLog

+2014-10-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+	    Jeff Law  <law@redhat.com>
+
+	* charset.c (convert_no_conversion): Reallocate memory with 25%
+	headroom.
+
 2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	Implement SD-6: SG10 Feature Test Recommendations

libcpp/charset.c

@@ -537,6 +537,7 @@ convert_no_conversion (iconv_t cd ATTRIBUTE_UNUSED,
   if (to->len + flen > to->asize)
     {
       to->asize = to->len + flen;
+      to->asize += to->asize / 4;
       to->text = XRESIZEVEC (uchar, to->text, to->asize);
     }
   memcpy (to->text + to->len, from, flen);