Initial checkin

1 files changed, 67 insertions, 0 deletions

diff --git a/libnul.h b/libnul.h
new file mode 100644
index 0000000..a78f0c9
--- /dev/null
+++ b/libnul.h
@@ -0,0 +1,67 @@
+#ifndef INVOKE_H
+#define INVOKE_H
+
+#include <stdint.h>
+
+typedef union
+{
+    uint32_t		v_uint32;
+    int32_t		v_int32;
+    uint16_t		v_uint16;
+    int16_t		v_int16;
+    uint8_t		v_uint8;
+    int8_t		v_int8;
+
+    unsigned int	v_uint;
+    int			v_int;
+    unsigned short	v_ushort;
+    short		v_short;
+    unsigned char	v_uchar;
+    signed char		v_schar;
+    char		v_char;
+    
+    void *		v_pointer;
+    
+    float		v_float;
+    double		v_double;
+} Arg;
+
+typedef enum
+{
+    TYPE_UINT32,
+    TYPE_INT32,
+    TYPE_UINT16,
+    TYPE_INT16,
+    TYPE_UINT8,
+    TYPE_INT8,
+
+    TYPE_UINT,
+    TYPE_INT,
+    TYPE_USHORT,
+    TYPE_SHORT,
+
+    TYPE_UCHAR,
+    TYPE_SCHAR,
+    TYPE_CHAR,
+    
+    TYPE_POINTER,
+
+    TYPE_DOUBLE,
+    TYPE_FLOAT,
+
+    TYPE_VOID
+} Type;
+
+typedef void (* Function)();
+
+typedef struct FunDef FunDef;
+
+FunDef *fun_def_new    (Type       ret_type,
+			int        n_args,
+			const Type *arg_types);
+Arg     fun_def_invoke (FunDef     *fun,
+			Function    f,
+			Arg        *args);
+void	fun_def_free   (FunDef     *fun);
+
+#endif