gcc/libjava/java/lang/natStringBuffer.cc

31 lines
826 B
C++

// natStringBuffer.cc - Implementation of java.lang.StringBuffer native methods.
/* Copyright (C) 2001 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;
}