michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #if defined(XP_WIN)
michael@0: #include <windows.h>
michael@0: #endif
michael@0: 
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include <string.h>
michael@0: #include <stdlib.h>
michael@0: #include <stdarg.h>
michael@0: 
michael@0: #include "updatelogging.h"
michael@0: 
michael@0: UpdateLog::UpdateLog() : logFP(nullptr)
michael@0: {
michael@0: }
michael@0: 
michael@0: void UpdateLog::Init(NS_tchar* sourcePath,
michael@0:                      const NS_tchar* fileName,
michael@0:                      const NS_tchar* alternateFileName,
michael@0:                      bool append)
michael@0: {
michael@0:   if (logFP)
michael@0:     return;
michael@0: 
michael@0:   this->sourcePath = sourcePath;
michael@0:   NS_tchar logFile[MAXPATHLEN];
michael@0:   NS_tsnprintf(logFile, sizeof(logFile)/sizeof(logFile[0]),
michael@0:     NS_T("%s/%s"), sourcePath, fileName);
michael@0: 
michael@0:   if (alternateFileName && NS_taccess(logFile, F_OK)) {
michael@0:     NS_tsnprintf(logFile, sizeof(logFile)/sizeof(logFile[0]),
michael@0:       NS_T("%s/%s"), sourcePath, alternateFileName);
michael@0:   }
michael@0: 
michael@0:   logFP = NS_tfopen(logFile, append ? NS_T("a") : NS_T("w"));
michael@0: }
michael@0: 
michael@0: void UpdateLog::Finish()
michael@0: {
michael@0:   if (!logFP)
michael@0:     return;
michael@0: 
michael@0:   fclose(logFP);
michael@0:   logFP = nullptr;
michael@0: }
michael@0: 
michael@0: void UpdateLog::Flush()
michael@0: {
michael@0:   if (!logFP)
michael@0:     return;
michael@0: 
michael@0:   fflush(logFP);
michael@0: }
michael@0: 
michael@0: void UpdateLog::Printf(const char *fmt, ... )
michael@0: {
michael@0:   if (!logFP)
michael@0:     return;
michael@0: 
michael@0:   va_list ap;
michael@0:   va_start(ap, fmt);
michael@0:   vfprintf(logFP, fmt, ap);
michael@0:   fprintf(logFP, "\n");
michael@0:   va_end(ap);
michael@0: }
michael@0: 
michael@0: void UpdateLog::WarnPrintf(const char *fmt, ... )
michael@0: {
michael@0:   if (!logFP)
michael@0:     return;
michael@0: 
michael@0:   va_list ap;
michael@0:   va_start(ap, fmt);
michael@0:   fprintf(logFP, "*** Warning: ");
michael@0:   vfprintf(logFP, fmt, ap);
michael@0:   fprintf(logFP, "***\n");
michael@0:   va_end(ap);
michael@0: }