Now calls main() if one has been defined, and not if one hasn't.

git-svn-id: http://picoc.googlecode.com/svn/trunk@460 21eae674-98b7-11dd-bd71-f92a316d2d60

picoc.c

@@ -38,8 +38,11 @@ void Cleanup()
 void CallMain(int argc, char **argv)
 {
     /* check if the program wants arguments */
-    struct Value *FuncValue;
+    struct Value *FuncValue = NULL;
 
+    if (!VariableDefined(TableStrRegister("main")))
+        return;
+        
     VariableGet(NULL, TableStrRegister("main"), &FuncValue);
     if (FuncValue->Typ->Base != TypeFunction)
         ProgramFail(NULL, "main is not a function - can't call it");

tests/25_quicksort.c

@@ -77,5 +77,4 @@ void main()
 
     printf("\n");
 }
-main();
 

tests/30_hanoi.c

@@ -121,6 +121,3 @@ main()
 	Hanoi(N,A,B,C);
 	return 0;
 }
-
-	
-main();

tests/Makefile

@@ -44,7 +44,7 @@ TESTS=	00_assignment.test \
 	then \
 		../picoc $*.c - arg1 arg2 arg3 arg4 2>&1 >$*.output; \
 	else \
-		../picoc -m $*.c 2>&1 >$*.output; \
+		../picoc $*.c 2>&1 >$*.output; \
 	fi
 	@if [ "x`diff -qbu $*.expect $*.output`" != "x" ]; \
 	then \