1 files changed, 38 insertions, 2 deletions

diff --git a/src/multilogtext.cpp b/src/multilogtext.cpp
index be64595..daad4c0 100644
--- a/src/multilogtext.cpp
+++ b/src/multilogtext.cpp
@@ -1,4 +1,3 @@
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <fcntl.h>
@@ -7,9 +6,46 @@
 #include <string.h>
 #include "multilogtext.h"
 
-MultiLogText::MultiLogText( const char *sFileName, const char *lpFormat )
+bool fileexists( const char *sPath )
+{
+        int nFileDesc = open( sPath, O_RDONLY );
+        if( nFileDesc < 0 )
+        {
+                return false;
+        }
+        else
+        {
+                close( nFileDesc );
+                return true;
+        }
+}
+
+MultiLogText::MultiLogText( const char *sFileName, const char *lpFormat, bool bRotateLog, int nMaxLogs )
 {
         this->lpFormat = NULL;
+        
+        if( bRotateLog )
+        {
+                if( fileexists( sFileName ) == false )
+                {
+                        return;
+                }
+        
+                int nLen = strlen( sFileName );
+                char *buf = new char[nLen+6];
+                sprintf( buf, "%s.", sFileName );
+
+                for( int j = 1; j < nMaxLogs; j++ )
+                {
+                        sprintf( &buf[nLen+1], "%d", j );
+                        if( !fileexists( buf ) )
+                        {
+                                rename( sFileName, buf );
+                                break;
+                        }
+                }
+        }
+
         nFD = open( sFileName, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH );
         setLogFormat( lpFormat );
 }