pktmpln: first-pass, adds _1, _2, and _3

1 files changed, 35 insertions, 0 deletions

diff --git a/pktmpln.h b/pktmpln.h
new file mode 100644
index 0000000..64000ef
--- /dev/null
+++ b/pktmpln.h
@@ -0,0 +1,35 @@
+#ifndef PK_PKTMPLN_H
+#define PK_PKTMPLN_H
+
+#if defined (__cplusplus)
+#include <functional>
+template<typename Ret, typename A1, typename B1>
+struct pk_tmpln_1 {
+	using FuncType = std::function<Ret(A1)>;
+	FuncType func;
+	static Ret invoke(void *ptr, B1 b1) {
+		auto *self = static_cast<pk_tmpln_1*>(ptr);
+		return self->func(reinterpret_cast<A1>(b1));
+	}
+};
+template<typename Ret, typename A1, typename A2, typename B1, typename B2>
+struct pk_tmpln_2 {
+	using FuncType = std::function<Ret(A1, A2)>;
+	FuncType func;
+	static Ret invoke(void *ptr, B1 b1, B2 b2) {
+		auto *self = static_cast<pk_tmpln_2*>(ptr);
+		return self->func(reinterpret_cast<A1>(b1), reinterpret_cast<A2>(b2));
+	}
+};
+template<typename Ret, typename A1, typename A2, typename A3, typename B1, typename B2, typename B3>
+struct pk_tmpln_3 {
+	using FuncType = std::function<Ret(A1, A2, A3)>;
+	FuncType func;
+	static Ret invoke(void *ptr, B1 b1, B2 b2, B3 b3) {
+		auto *self = static_cast<pk_tmpln_3*>(ptr);
+		return self->func(reinterpret_cast<A1>(b1), reinterpret_cast<A2>(b2), reinterpret_cast<A3>(b3));
+	}
+};
+#endif
+
+#endif /* PK_PKTMPLN_H */