libjava/gnu/gcj/runtime/natStringBuffer.cc

   1 // natStringBuffer.cc - Implementation of java.lang.StringBuffer native methods.
   2
   3 /* Copyright (C) 2001  Free Software Foundation
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 #include <config.h>
  12 #include <gcj/cni.h>
  13 #include <gnu/gcj/runtime/StringBuffer.h>
  14 #include <java/lang/String.h>
  15
  16 gnu::gcj::runtime::StringBuffer *
  17 gnu::gcj::runtime::StringBuffer::append (jint num)
  18 {
  19   // Use an array large enough for "-2147483648"; i.e. 11 chars.
  20   jchar buffer[11];
  21   int i = _Jv_FormatInt (buffer+11, num);
  22   jint needed = count + i;
  23   ensureCapacity_unsynchronized (needed);
  24   jchar* dst = elements (value) + count;
  25   jchar* src = buffer+11-i;
  26   while (--i >= 0)
  27     *dst++ = *src++;
  28   count = needed;
  29   return this;
  30 }
  31
  32 java::lang::String *
  33 gnu::gcj::runtime::StringBuffer::toString ()
  34 {
  35   return new java::lang::String (this);
  36 }