minor fix on CMakeLists for checking MSVC_VERSION

[freeglut] / src / fg_main.c

diff --git a/src/fg_main.c b/src/fg_main.c
index d17801c..330a7bc 100644 (file)
--- a/src/fg_main.c
+++ b/src/fg_main.c
@@ -1,5 +1,5 @@
 /*
- * freeglut_main.c
+ * fg_main.c
  *
  * The windows message processing methods.
  *
@@ -27,17 +27,8 @@
 
 #include <GL/freeglut.h>
 #include "fg_internal.h"
-#ifdef HAVE_ERRNO_H
-#    include <errno.h>
-#endif
+#include <errno.h>
 #include <stdarg.h>
-#ifdef  HAVE_VFPRINTF
-#    define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
-#elif defined(HAVE__DOPRNT)
-#    define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
-#else
-#    define VFPRINTF(s,f,a)
-#endif
 
 /*
  * Try to get the maximum value allowed for ints, falling back to the minimum
@@ -289,7 +280,7 @@ void fgError( const char *fmt, ... )
         fprintf( stderr, "freeglut ");
         if( fgState.ProgramName )
             fprintf( stderr, "(%s): ", fgState.ProgramName );
-        VFPRINTF( stderr, fmt, ap );
+        vfprintf( stderr, fmt, ap );
         fprintf( stderr, "\n" );
 
         va_end( ap );
@@ -322,7 +313,7 @@ void fgWarning( const char *fmt, ... )
         fprintf( stderr, "freeglut ");
         if( fgState.ProgramName )
             fprintf( stderr, "(%s): ", fgState.ProgramName );
-        VFPRINTF( stderr, fmt, ap );
+        vfprintf( stderr, fmt, ap );
         fprintf( stderr, "\n" );
 
         va_end( ap );
@@ -465,6 +456,13 @@ void FGAPIENTRY glutMainLoopEvent( void )
     /* Perform work on the window (position, reshape, display, etc) */
     fghProcessWork( );
 
+    /* Check OpenGL error state if requested.
+     * Don't call if no more open windows (can happen if user closes window from
+     * title bar), would lead to infinite error loop in glutReportErrors
+     */
+    if (fgState.GLDebugSwitch && fgStructure.CurrentWindow)
+        glutReportErrors( );
+
     fgCloseWindows( );
 }