1 /*
   2  * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "incls/_precompiled.incl"
  26 #include "incls/_classFileStream.cpp.incl"

  27 
  28 void ClassFileStream::truncated_file_error(TRAPS) {
  29   THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file");
  30 }
  31 
  32 ClassFileStream::ClassFileStream(u1* buffer, int length, char* source) {
  33   _buffer_start = buffer;
  34   _buffer_end   = buffer + length;
  35   _current      = buffer;
  36   _source       = source;
  37   _need_verify  = false;
  38 }
  39 
  40 u1 ClassFileStream::get_u1(TRAPS) {
  41   if (_need_verify) {
  42     guarantee_more(1, CHECK_0);
  43   } else {
  44     assert(1 <= _buffer_end - _current, "buffer overflow");
  45   }
  46   return *_current++;

   1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/classFileStream.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 
  29 void ClassFileStream::truncated_file_error(TRAPS) {
  30   THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file");
  31 }
  32 
  33 ClassFileStream::ClassFileStream(u1* buffer, int length, char* source) {
  34   _buffer_start = buffer;
  35   _buffer_end   = buffer + length;
  36   _current      = buffer;
  37   _source       = source;
  38   _need_verify  = false;
  39 }
  40 
  41 u1 ClassFileStream::get_u1(TRAPS) {
  42   if (_need_verify) {
  43     guarantee_more(1, CHECK_0);
  44   } else {
  45     assert(1 <= _buffer_end - _current, "buffer overflow");
  46   }
  47   return *_current++;