X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fdebug%2Flogstream.hxx;h=d3649a4a21b3cf5912dd20778d9daf39abb37b5b;hb=10217a3b19f690624e42b224a6fb08b6673c3edd;hp=c79f7766f805d3e3388a0e8c7dea038ae389ce95;hpb=d4c7e950927b1e19a7a7622a7919f32233a6b7a8;p=simgear.git

diff --git a/simgear/debug/logstream.hxx b/simgear/debug/logstream.hxx
index c79f7766..d3649a4a 100644
--- a/simgear/debug/logstream.hxx
+++ b/simgear/debug/logstream.hxx
@@ -27,12 +27,13 @@
 
 #include <simgear/compiler.h>
 
-#ifdef _MSC_VER
+#ifdef _WIN32
 #  include <windows.h>
 #endif
 
 #include <streambuf>
 #include <ostream>
+#include <cstdio>
 
 #include <simgear/debug/debug_types.h>
 
@@ -78,6 +79,8 @@ public:
      */
     void set_log_state( sgDebugClass c, sgDebugPriority p );
 
+    bool would_log( sgDebugClass c, sgDebugPriority p ) const;
+
     /**
      * Set the global logging level.
      * @param c debug class
@@ -120,7 +123,7 @@ public:
      */
     void set_sb( std::streambuf* sb );
 
-#ifdef _MSC_VER
+#ifdef _WIN32
     static void has_no_console() { has_console = false; }
 #endif
 
@@ -139,7 +142,7 @@ private:
     static std::streambuf* sbuf;
 
     static bool logging_enabled;
-#ifdef _MSC_VER
+#ifdef _WIN32
     static bool has_console;
 #endif
     static sgDebugClass logClass;
@@ -164,10 +167,16 @@ logbuf::set_log_state( sgDebugClass c, sgDebugPriority p )
     logging_enabled = ((c & logClass) != 0 && p >= logPriority);
 }
 
+inline bool
+logbuf::would_log( sgDebugClass c, sgDebugPriority p ) const
+{
+    return ((c & logClass) != 0 && p >= logPriority);
+}
+
 inline logbuf::int_type
 logbuf::overflow( int c )
 {
-#ifdef _MSC_VER
+#ifdef _WIN32
     if ( logging_enabled ) {
         if ( !has_console ) {
             AllocConsole();
@@ -240,15 +249,20 @@ public:
      */
     void setLogLevels( sgDebugClass c, sgDebugPriority p );
 
+    bool would_log(  sgDebugClass c, sgDebugPriority p ) const
+    {
+        return lbuf.would_log( c, p );
+    };
+
     /**
      * Output operator to capture the debug level and priority of a message.
      * @param l log level
      */
     inline std::ostream& operator<< ( const loglevel& l );
     friend logstream& sglog();
+    static logstream *initGlobalLogstream();
 protected:
     static logstream *global_logstream;
-    static void initGlobalLogstream();
 };
 
 inline std::ostream&
@@ -268,10 +282,7 @@ logstream::operator<< ( const loglevel& l )
 inline logstream&
 sglog()
 {
-  if (logstream::global_logstream == NULL) {
-      logstream::initGlobalLogstream();
-  }
-  return *logstream::global_logstream;
+    return *logstream::initGlobalLogstream();
 }
 
 
@@ -284,7 +295,11 @@ sglog()
 #ifdef FG_NDEBUG
 # define SG_LOG(C,P,M)
 #else
-# define SG_LOG(C,P,M) sglog() << loglevel(C,P) << M << std::endl
+# define SG_LOG(C,P,M) do {                     \
+	logstream& __tmplogstreamref(sglog());                      \
+	if(__tmplogstreamref.would_log(C,P)) {                      \
+        __tmplogstreamref << loglevel(C,P) << M << std::endl; } \
+	} while(0)
 #endif
 
 #define SG_ORIGIN __FILE__ ":" SG_STRINGIZE(__LINE__)