add context initialization and uv loop

include/libumumble.h

@@ -0,0 +1,34 @@
+#ifndef LIBUMUMBLE_H
+#define LIBUMUMBLE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <uv.h>
+
+typedef struct mumble_ctx {
+	uv_loop_t uv_loop;
+} mumble_ctx_t;
+
+/* Initializes a mumble context object.
+ * This function will allocate initial memory needed for storing e.g. the channel layout.
+ * Make sure to call mumble_free_ctx() when you're done!
+ *
+ * \param ctx the context object to initialize.
+ * \return int indicating success
+ * \retval 1 error
+ */
+int mumble_init_ctx(mumble_ctx_t ctx);
+
+/* Free a mumble context.
+ *
+ * \param ctx the context object to free.
+ */
+void mumble_free_ctx(mumble_ctx_t ctx);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBUMUMBLE_H */

src/ctx.c

@@ -0,0 +1,15 @@
+#include <libumumble.h>
+#include <uv.h>
+
+int mumble_init_ctx(mumble_ctx_t ctx)
+{
+	int result;
+
+	result = uv_loop_init(&ctx.uv_loop);
+	return result;
+}
+
+void mumble_free_ctx(mumble_ctx_t ctx)
+{
+	uv_loop_close(&ctx.uv_loop);
+}