simple log rotate

1 files changed, 29 insertions, 10 deletions

diff --git a/linden/indra/newview/llappviewer.cpp b/linden/indra/newview/llappviewer.cpp
index 0c3c657..9a0295e 100644
--- a/linden/indra/newview/llappviewer.cpp
+++ b/linden/indra/newview/llappviewer.cpp
@@ -1646,19 +1646,38 @@ bool LLAppViewer::initLogging()
         LLError::initForApplication(
                                 gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, ""));
         LLError::setFatalFunction(errorCallback);
-        
-        // Remove the last ".old" log file.
-        std::string old_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
-                                                             "Imprudence.old");
-        LLFile::remove(old_log_file);
 
-        // Rename current log file to ".old"
-        std::string log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
-                                                             "Imprudence.log");
-        LLFile::rename(log_file, old_log_file);
+        std::string log_name = "Imprudence.log";
 
-        // Set the log file to Imprudence.log
+        const int MAX_ROTATION = 5;
+        for(int i = MAX_ROTATION; 0 < i; i--)
+        {
+                std::ostringstream current;
+                current << ".";
+                current << i;
+
+                std::ostringstream previous;
+                if( 1 < i )
+                {
+                        previous << ".";
+                        previous << i-1;
+                }
+
+                std::string current_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
+                                                             log_name + current.str());
+                std::string previous_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
+                                                             log_name + previous.str());
 
+                if (MAX_ROTATION == i)
+                {
+                        LLFile::remove(current_log_file);
+                }
+
+                LLFile::rename(previous_log_file, current_log_file);
+        }
+
+        // Set the log file to Imprudence.log
+        std::string log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, log_name);
         LLError::logToFile(log_file);
 
         // *FIX:Mani no error handling here!