Skeleton structure implementation

1 files changed, 36 insertions, 0 deletions

diff --git a/reader.c b/reader.c
new file mode 100644
index 0000000..1186800
--- /dev/null
+++ b/reader.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <limits.h>
+#include <dlfcn.h>
+
+#include "reader.h"
+#include "config.h"
+
+#define MAX_PLUGIN_PATH NAME_MAX
+void* reader_module = NULL;
+
+int reader_init(){
+	char plugin[MAX_PLUGIN_PATH] = "";
+	char* reader = config_get("nfc", "reader");
+
+	if(!reader){
+		printf("No reader plugin configured\n");
+		return -1;
+	}
+
+	snprintf(plugin, sizeof(plugin), "./reader_%s.so", reader);
+	reader_module = dlopen(plugin, RTLD_NOW);
+
+	if(!reader_module){
+		printf("Failed to load reader plugin %s\n", plugin);
+		return -1;
+	}
+
+	return 0;
+}
+
+void reader_free(){
+	if(reader_module){
+		dlclose(reader_module);
+		reader_module = NULL;
+	}
+}