File 0004-Description-send-Q_ASSERT-qDebug-qWarning-and-qFatal.patch of Package qt

From 92a1cac0e481ce9d6ec0f702dd812d066dc56b56 Mon Sep 17 00:00:00 2001
From: Robin Burchell <robin.burchell@collabora.com>
Date: Sun, 13 Nov 2011 12:32:07 +0100
Subject: [PATCH 04/29] Description: send Q_ASSERT, qDebug, qWarning and
 qFatal messages to syslog

Author: Thiago Macieira <thiago.macieira@nokia.com>
---
 src/corelib/global/qglobal.cpp          |   24 ++++++++++++++++++++++++
 src/corelib/kernel/qcoreapplication_p.h |    2 ++
 2 files changed, 26 insertions(+)

diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index f119f2b..2e6da9d 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -50,6 +50,7 @@
 
 #ifndef QT_NO_QOBJECT
 #include <private/qthread_p.h>
+#include <private/qcoreapplication_p.h>
 #endif
 
 #include <stdio.h>
@@ -87,6 +88,8 @@
 
 _LIT(qt_S60Filter, "Series60v?.*.sis");
 _LIT(qt_symbianSystemInstallDir, "z:\\system\\install\\");
+#elif defined(Q_OS_UNIX)
+#include <syslog.h>
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -2231,6 +2234,27 @@ void qt_message_output(QtMsgType msgType, const char *buf)
 #else
         fprintf(stderr, "%s\n", buf);
         fflush(stderr);
+
+        if (qgetenv("QT_USE_SYSLOG").toInt() > 0) {
+            static bool logOpened = false;
+            if (!logOpened) {
+                QByteArray appname;
+#ifndef QT_NO_QOBJECT
+                appname = QCoreApplication::applicationName().toLatin1(); // don't use the local codec here
+                if (appname.isEmpty())
+                    appname = QCoreApplicationPrivate::staticAppName().toLatin1();
+#endif
+                if (appname.isEmpty())
+                    appname = "unknown-qt-application";
+                openlog(appname, LOG_NOWAIT | LOG_PID, LOG_USER);
+                logOpened = true;
+            }
+
+            int level = msgType == QtFatalMsg ? LOG_ERR :
+                        msgType == QtWarningMsg ? LOG_WARNING :
+                        LOG_DEBUG;
+            syslog(level, "%s", buf);
+        }
 #endif
     }
 
diff --git a/src/corelib/kernel/qcoreapplication_p.h b/src/corelib/kernel/qcoreapplication_p.h
index 66c24c0..b9a3fa2 100644
--- a/src/corelib/kernel/qcoreapplication_p.h
+++ b/src/corelib/kernel/qcoreapplication_p.h
@@ -86,6 +86,8 @@ public:
     bool sendThroughObjectEventFilters(QObject *, QEvent *);
     bool notify_helper(QObject *, QEvent *);
 
+    static QString staticAppName()
+    { return QCoreApplication::self ? QCoreApplication::self->d_func()->appName() : QString(); }
     virtual QString appName() const;
     virtual void createEventDispatcher();
     static void removePostedEvent(QEvent *);
-- 
1.7.10.3