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// natStringBuffer.cc - Implementation of java.lang.StringBuffer native methods.

/* Copyright (C) 2001, 2003  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the

Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for

details.  */

#include <config.h>

#include <gcj/cni.h>

#include <java/lang/StringBuffer.h>

java::lang::StringBuffer*

java::lang::StringBuffer::append (jint num)

{

  // Use an array large enough for "-2147483648"; i.e. 11 chars.

  jchar buffer[11];

  int i = _Jv_FormatInt (buffer+11, num);

  JvSynchronize dummy (this);

  jint needed = count + i;

  ensureCapacity_unsynchronized (needed);

  jchar* dst = elements (value) + count;

  jchar* src = buffer+11-i;

  while (--i >= 0)

    *dst++ = *src++;

  count = needed;

  return this;

}

jboolean

java::lang::StringBuffer::regionMatches(jint toffset, jstring other)

{

  jint len = other->count;

  jchar *tptr = elements(value) + toffset;

  jchar *optr = JvGetStringChars(other);

  while (--len >= 0)

    if (*tptr++ != *optr++)

      return false;

  return true;

}