Data commit

Task/Variadic-function/FreeBASIC/variadic-function-1.basic

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+' version 15-09-2015
+' compile with: fbc -s console
+
+Sub printAll_string Cdecl (count As Integer, ... )
+    Dim arg As Any Ptr
+    Dim i   As Integer
+
+    arg = va_first()
+    For i = 1 To count
+        Print *Va_Arg(arg, ZString Ptr)
+        arg = va_next(arg, ZString Ptr)
+    Next i
+End Sub
+
+' ------=< MAIN >=------
+' direct
+printAll_string (5, "Foxtrot", "Romeo", "Echo", "Echo", "BASIC")
+
+' strings
+Print : Print
+Dim As String a = "one", b = "two", c = "three"
+printAll_string (3, a, b, c)
+
+' count is smaller then the number of arguments, no problem
+Print : Print
+printAll_string (1, a, b, c)
+
+' count is greater then the number of arguments
+' after the last valid argument garbage is displayed
+' should be avoided, could lead to disaster
+Print : Print
+printAll_string (4, a, b, c)
+Print
+
+' empty keyboard buffer
+While InKey <> "" : Wend
+Print : Print "hit any key to end program"
+Sleep
+End