[LIBC] mv pthreads/libdl to libc and rename dfs_lwip to dfs_net

1 files changed, 37 insertions, 0 deletions

diff --git a/components/libc/libdl/dlsym.c b/components/libc/libdl/dlsym.c
new file mode 100644
index 0000000000..36c7b01fce
--- /dev/null
+++ b/components/libc/libdl/dlsym.c
@@ -0,0 +1,37 @@
+/*
+ * File      : dlsym.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author		Notes
+ * 2010-11-17      yi.qiu	first version
+ */
+
+#include <rtthread.h>
+#include <rtm.h>
+
+void* dlsym(void *handle, const char* symbol)
+{
+	int i;
+	rt_module_t module;
+	
+	RT_ASSERT(handle != RT_NULL);
+
+	module = (rt_module_t)handle;
+
+	for(i=0; i<module->nsym; i++)
+	{
+		if (rt_strcmp(module->symtab[i].name, symbol) == 0)
+			return (void*)module->symtab[i].addr;
+	}	
+
+	return RT_NULL;
+}
+
+RTM_EXPORT(dlsym)
+