git init1.1.103

1 files changed, 65 insertions, 0 deletions

diff --git a/plugin.c b/plugin.c
new file mode 100644
index 0000000..7835e99
--- /dev/null
+++ b/plugin.c
@@ -0,0 +1,65 @@
+/*
+ * plugin.c
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#include <dlfcn.h>
+
+#include "epgd.h"
+
+//***************************************************************************
+// Class Plugin Loader
+//***************************************************************************
+
+PluginLoader::PluginLoader(const char* name, Plugin* p)
+{
+   fileName = strdup(name);
+   plugin = p;    // normally 0, set for testing only
+   handle = 0;
+}
+
+PluginLoader::~PluginLoader()
+{
+  delete plugin;
+
+  if (handle)
+     dlclose(handle);
+
+  free(fileName);
+}
+
+int PluginLoader::load()
+{
+   const char* error;
+
+   tell(0, "Loading plugin: %s", fileName);
+
+   if (handle) 
+   {
+      tell(0, "Warning: Attempt to load plugin '%s' twice!", fileName);
+      return fail;
+   }
+
+   plugin = 0;
+   handle = dlopen(fileName, RTLD_NOW);
+   error = dlerror();
+
+   if (!error) 
+   {
+      void *(*creator)(void);
+
+      *(void**)(&creator) = dlsym(handle, "EPGPluginCreator");
+
+      error = dlerror();
+
+      if (!error)
+         plugin = (Plugin*)creator();
+   }
+
+   if (error)
+      tell(0, "Error: %s", error);
+   
+   return plugin ? success : fail;
+}