1 files changed, 49 insertions, 0 deletions
diff --git a/mmss/protocol.c b/mmss/protocol.c
new file mode 100644
index 0000000..2df9809
--- /dev/null
+++ b/mmss/protocol.c
@@ -0,0 +1,49 @@
+/*
+  Copyright (c) 2013, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "mmss.h"
+
+#include <dlfcn.h>
+#include <stdio.h>
+
+
+const mmss_protocol_t* mmss_load_protocol(const char *module) {
+	void *handle = dlopen(module, RTLD_NOW);
+	if (!handle) {
+		fprintf(stderr, "unable to load protocol from `%s': %s\n", module, dlerror());
+		return NULL;
+	}
+
+	dlerror();
+	const mmss_protocol_t *proto = dlsym(handle, "mmss_protocol_info");
+	if (!proto) {
+		fprintf(stderr, "unable to load protocol from `%s': %s\n", module, dlerror());
+		dlclose(handle);
+		return NULL;
+	}
+
+	return proto;
+}