* Added fallback handler for Throws that happen when no Try..Catch has been specified.

git-svn-id: http://cexception.svn.sourceforge.net/svnroot/cexception/trunk@18 50f63946-2846-0410-8d77-f904c773002e

lib/CException.c

@@ -1,6 +1,6 @@
 #include "CException.h"
 
-volatile CEXCEPTION_FRAME_T CExceptionFrames[CEXCEPTION_NUM_ID];
+volatile CEXCEPTION_FRAME_T CExceptionFrames[CEXCEPTION_NUM_ID] = { 0 };
 
 //------------------------------------------------------------------------------------------
 //  Throw
@@ -9,11 +9,15 @@ void Throw(CEXCEPTION_T ExceptionID)
 {
     unsigned int MY_ID = CEXCEPTION_GET_ID;
     CExceptionFrames[MY_ID].Exception = ExceptionID;
-    longjmp(*CExceptionFrames[MY_ID].pFrame, 1);
+    if (CExceptionFrames[MY_ID].pFrame)
+    {
+        longjmp(*CExceptionFrames[MY_ID].pFrame, 1);
+    }
+    CEXCEPTION_NO_CATCH_HANDLER(MY_ID);
 }
 
 //------------------------------------------------------------------------------------------
-//  Explaination of what it's all for:
+//  Explanation of what it's all for:
 //------------------------------------------------------------------------------------------
 /*
 #define Try                                                         

lib/CException.h

@@ -3,6 +3,12 @@
 
 #include <setjmp.h>
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
 //To Use CException, you have a number of options:
 //1. Just include it and run with the defaults
 //2. Define any of the following symbols at the command line to override them
@@ -33,6 +39,11 @@
 #define CEXCEPTION_T         unsigned int
 #endif
 
+//This is an optional special handler for when there is no global Catch
+#ifndef CEXCEPTION_NO_CATCH_HANDLER
+#define CEXCEPTION_NO_CATCH_HANDLER(id)
+#endif
+
 //exception frame structures
 typedef struct {
   jmp_buf* pFrame;
@@ -67,4 +78,9 @@ extern volatile CEXCEPTION_FRAME_T CExceptionFrames[];
 //Throw an Error
 void Throw(CEXCEPTION_T ExceptionID);
 
+#ifdef __cplusplus
+}   // extern "C"
+#endif
+
+
 #endif // _CEXCEPTION_H