Initial code commit.

Little to no error reporting, still fairly brittle and not very well
tested.

Makefile

@@ -0,0 +1,18 @@
+BUILD_DIR ?= ./build
+SRC_DIR = ./src
+INC_DIR = $(SRC_DIR)
+
+CC=h5cc
+CFLAGS=-Wall -g -O2 -fpic -I$(INC_DIR)
+
+$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
+	mkdir -p $(BUILD_DIR)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+plugin: $(BUILD_DIR)/plugin.o $(BUILD_DIR)/file.o
+	mkdir -p $(BUILD_DIR)
+	$(CC) $(CFLAGS) -shared $^ -o $(BUILD_DIR)/plugin.so
+
+.PHONY: clean
+clean:
+	rm -r $(BUILD_DIR)