--- /dev/null 2015-04-28 03:38:03.853934809 -0700 +++ new/src/share/vm/classfile/classListParser.cpp 2015-10-29 21:53:09.625745218 -0700 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "classfile/classListParser.hpp" +#include "runtime/os.hpp" +#include "runtime/java.hpp" + +ClassListParser::ClassListParser(const char* file) { + _classlist_file = file; + _file = fopen(file, "r"); + if (_file == NULL) { + char errmsg[JVM_MAXPATHLEN]; + os::lasterror(errmsg, JVM_MAXPATHLEN); + vm_exit_during_initialization("Loading classlist failed", errmsg); + } +} + +ClassListParser::~ClassListParser() { + if (_file) { + fclose(_file); + } +} + +bool ClassListParser::parse_one_line() { + for (;;) { + if (fgets(_line, sizeof(_line), _file) == NULL) { + return false; + } + int line_len = (int)strlen(_line); + if (line_len > _max_allowed_line_len) { + tty->print_cr("input line too long (must be no longer than %d chars)", _max_allowed_line_len); + vm_exit_during_initialization("Loading classlist failed"); + } + if (*_line == '#') { // comment + continue; + } + break; + } + + // Remove trailing \r\n + _line[strcspn(_line, "\r\n")] = 0; + return true; +} +