# Cppcheck report - LibreOffice: connectivity/source/drivers/hsqldb/accesslog.hxx

      1
      2
      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
     17
     18
     19
     20
     21
     22
     23
     24
     25
     26
     27
     28
     29
     30
     31
     32
     33
     34
     35
     36
     37
     38
     39
     40
     41
     42
     43
     44
     45
     46
     47
     48
     49
     50
     51
     52
     53
     54
     55
     56
     57
     58
     59
     60
     61
     62
     63
     64
     65
     66
     67
     68
     69
     70
     71
     72
     73
     74
     75
     76
     77
     78
     79
     80
     81
     82
     83
     84
     85
     86
     87
     88
     89
     90
     91
     92
     93
     94
     95
     96
     97
     98
     99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139

    /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
    /*
     * This file is part of the LibreOffice project.
     *
     * This Source Code Form is subject to the terms of the Mozilla Public
     * License, v. 2.0. If a copy of the MPL was not distributed with this
     * file, You can obtain one at http://mozilla.org/MPL/2.0/.
     *
     * This file incorporates work covered by the following license notice:
     *
     *   Licensed to the Apache Software Foundation (ASF) under one or more
     *   contributor license agreements. See the NOTICE file distributed
     *   with this work for additional information regarding copyright
     *   ownership. The ASF licenses this file to you under the Apache
     *   License, Version 2.0 (the "License"); you may not use this file
     *   except in compliance with the License. You may obtain a copy of
     *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
     */

    #ifndef INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_HSQLDB_ACCESSLOG_HXX
    #define INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_HSQLDB_ACCESSLOG_HXX

    #ifdef HSQLDB_DBG

    #include <stdio.h>
    #include <jni.h>
    #include <rtl/ustring.hxx>
    #include <rtl/string.hxx>

    namespace connectivity { namespace hsqldb
    {
        class LogFile
        {
        private:
            OUString     m_sFileName;

        public:
            LogFile( JNIEnv* env, jstring streamName, const sal_Char* _pAsciiSuffix );

        public:
                    void    writeString( const sal_Char* _pString, bool _bEndLine = true );
                    void    create() { getLogFile(); }<--- Return value of allocation function getLogFile is not stored.
            virtual void    close();

        protected:
            FILE*&  getLogFile();
        };

        class OperationLogFile : public LogFile
        {
        public:
            OperationLogFile( JNIEnv* env, jstring streamName, const sal_Char* _pAsciiSuffix )
                :LogFile( env, streamName, ( OString( _pAsciiSuffix ) += ".op" ).getStr() )
            {
            }

            void logOperation( const sal_Char* _pOp )
            {
                writeString( _pOp, true );
            }

            void logOperation( const sal_Char* _pOp, jlong _nLongArg )
            {
                OString sLine( _pOp );
                sLine += "( ";
                sLine += OString::number( _nLongArg );
                sLine += " )";
                writeString( sLine.getStr(), true );
            }

            void logReturn( jlong _nRetVal )
            {
                OString sLine( " -> " );
                sLine += OString::number( _nRetVal );
                writeString( sLine.getStr(), true );
            }

            void logReturn( jint _nRetVal )
            {
                OString sLine( " -> " );
                sLine += OString::number( _nRetVal );
                writeString( sLine.getStr(), true );
            }

            virtual void close()
            {
                writeString( "-------------------------------", true );
                writeString( "", true );
                LogFile::close();
            }
        };

        class DataLogFile : public LogFile
        {
        public:
            DataLogFile( JNIEnv* env, jstring streamName, const sal_Char* _pAsciiSuffix )
                :LogFile( env, streamName, _pAsciiSuffix )
            {
            }

            void write( jint value )
            {
                fputc( value, getLogFile() );<--- Allocation with getLogFile, fputc doesn't release it.
                fflush( getLogFile() );<--- Allocation with getLogFile, fflush doesn't release it.
            }

            void write( const sal_Int8* buffer, sal_Int32 bytesRead )
            {
                fwrite( buffer, sizeof(sal_Int8), bytesRead, getLogFile() );<--- Allocation with getLogFile, fwrite doesn't release it.
                fflush( getLogFile() );<--- Allocation with getLogFile, fflush doesn't release it.
            }

            sal_Int64 seek( sal_Int64 pos )
            {
                FILE* pFile = getLogFile();
                fseek( pFile, 0, SEEK_END );
                if ( ftell( pFile ) < pos )
                {
                    sal_Int8 filler( 0 );
                    while ( ftell( pFile ) < pos )
                        fwrite( &filler, sizeof( sal_Int8 ), 1, pFile );
                    fflush( pFile );
                }
                fseek( pFile, pos, SEEK_SET );
                return ftell( pFile );<--- Resource leak: pFile
            }

            sal_Int64 tell()
            {
                return ftell( getLogFile() );<--- Allocation with getLogFile, ftell doesn't release it.
            }
        };

    } }
    #endif

    #endif // INCLUDED_CONNECTIVITY_SOURCE_DRIVERS_HSQLDB_ACCESSLOG_HXX

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */