87b0df30ed
Reviewed-by: jiangli, acorn, coleenp
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "classfile/classListParser.hpp"
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#include "runtime/os.hpp"
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#include "runtime/java.hpp"
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ClassListParser::ClassListParser(const char* file) {
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_classlist_file = file;
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_file = fopen(file, "r");
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if (_file == NULL) {
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char errmsg[JVM_MAXPATHLEN];
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os::lasterror(errmsg, JVM_MAXPATHLEN);
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vm_exit_during_initialization("Loading classlist failed", errmsg);
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}
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}
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ClassListParser::~ClassListParser() {
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if (_file) {
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fclose(_file);
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}
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}
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bool ClassListParser::parse_one_line() {
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for (;;) {
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if (fgets(_line, sizeof(_line), _file) == NULL) {
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return false;
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}
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int line_len = (int)strlen(_line);
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if (line_len > _max_allowed_line_len) {
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tty->print_cr("input line too long (must be no longer than %d chars)", _max_allowed_line_len);
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vm_exit_during_initialization("Loading classlist failed");
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}
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if (*_line == '#') { // comment
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continue;
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}
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break;
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}
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// Remove trailing \r\n
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_line[strcspn(_line, "\r\n")] = 0;
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return true;
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}
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