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/**
* @file lllogchat.cpp
* @brief LLLogChat class implementation
*
* Copyright (c) 2002-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#include "llviewerprecompiledheaders.h"
#include "lllogchat.h"
const S32 LOG_RECALL_SIZE = 2048;
//static
LLString LLLogChat::makeLogFileName(LLString filename)
{
filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_ACCOUNT_CHAT_LOGS,filename.c_str());
filename += ".txt";
return filename;
}
//static
void LLLogChat::saveHistory(LLString filename, LLString line)
{
if(!filename.size())
{
llinfos << "Filename is Empty!" << llendl;
return;
}
FILE* fp = LLFile::fopen(LLLogChat::makeLogFileName(filename).c_str(), "a"); /*Flawfinder: ignore*/
if (!fp)
{
llinfos << "Couldn't open chat history log!" << llendl;
}
else
{
fprintf(fp, "%s\n", line.c_str());
fclose (fp);
}
}
void LLLogChat::loadHistory(LLString filename , void (*callback)(LLString,void*), void* userdata)
{
if(!filename.size())
{
llerrs << "Filename is Empty!" << llendl;
}
FILE* fptr = LLFile::fopen(makeLogFileName(filename).c_str(), "r"); /*Flawfinder: ignore*/
if (!fptr)
{
return; //No previous conversation with this name.
}
else
{
char buffer[LOG_RECALL_SIZE]; /*Flawfinder: ignore*/
char *bptr;
S32 len;
bool firstline=TRUE;
if ( fseek(fptr, (LOG_RECALL_SIZE - 1) * -1 , SEEK_END) )
{ //File is smaller than recall size. Get it all.
firstline = FALSE;
if ( fseek(fptr, 0, SEEK_SET) )
{
fclose(fptr);
return;
}
}
while ( fgets(buffer, LOG_RECALL_SIZE, fptr) && !feof(fptr) )
{
len = strlen(buffer) - 1; /*Flawfinder: ignore*/
for ( bptr = (buffer + len); (*bptr == '\n' || *bptr == '\r') && bptr>buffer; bptr--) *bptr='\0';
if (!firstline)
{
callback(buffer,userdata);
}
else
{
firstline = FALSE;
}
}
callback("-- End of Log ---",userdata);
fclose(fptr);
}
}
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