updatelogging.cxx

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/* 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/. */
 
#if defined(_WIN32)
#include <windows.h>
#endif
 
 
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
 
#include "updatelogging.h"
 
UpdateLog::UpdateLog()
    : logFP(nullptr)
    , sourcePath(nullptr)
{
}
 
void UpdateLog::Init(NS_tchar* sourcePathParam,
                     const NS_tchar* fileName,
                     const NS_tchar* alternateFileName,
                     bool append)
{
    if (logFP)
        return;
 
    sourcePath = sourcePathParam;
    NS_tchar logFile[MAXPATHLEN];
    NS_tsnprintf(logFile, sizeof(logFile)/sizeof(logFile[0]),
                 NS_T("%s/%s"), sourcePathParam, fileName);
 
    if (alternateFileName && NS_taccess(logFile, F_OK))
    {
        NS_tsnprintf(logFile, sizeof(logFile)/sizeof(logFile[0]),
                     NS_T("%s/%s"), sourcePathParam, alternateFileName);
    }
 
    logFP = NS_tfopen(logFile, append ? NS_T("a") : NS_T("w"));
}
 
void UpdateLog::Finish()
{
    if (!logFP)
        return;
 
    fclose(logFP);
    logFP = nullptr;
}
 
void UpdateLog::Flush()
{
    if (!logFP)
        return;
 
    fflush(logFP);
}
 
void UpdateLog::Printf(const char *fmt, ... )
{
    if (!logFP)
        return;
 
    va_list ap;
    va_start(ap, fmt);
    vfprintf(logFP, fmt, ap);
    fprintf(logFP, "\n");
    va_end(ap);
}
 
void UpdateLog::WarnPrintf(const char *fmt, ... )
{
    if (!logFP)
        return;
 
    va_list ap;
    va_start(ap, fmt);
    fprintf(logFP, "*** Warning: ");
    vfprintf(logFP, fmt, ap);
    fprintf(logFP, "***\n");
    va_end(ap);
}