--- a/dl.c	Thu Dec 23 00:46:07 2010 +0100
+++ b/dl.c	Thu Dec 23 01:06:04 2010 +0100
@@ -3,18 +3,22 @@
 #include <stdlib.h>
 #include "dl.h"
 
-void *get_original_function(const char *soname, const char *name)
+#define DEFAULT_LIB "libc.so.6"
+
+void *lib_function(const char *name, const char *soname)
 {
+    void *rc;
     const char* error;
-    void *handle = dlopen(soname, RTLD_LAZY);
-    void *rc;
+    void *handle;
+
 
-    if (!handle) {
+
+    if (!(handle = dlopen(soname ? soname : DEFAULT_LIB, RTLD_LAZY))) {
 	fprintf(stderr, "dlopen on %s: %s\n", soname, dlerror());
 	exit(1);
     }
 
-    dlerror();
+    dlerror();			    /* clear the error flag */
     rc = dlsym(handle, name);
     if ((error = dlerror())) {
 	fprintf(stderr, "dlsym for %s: %s\n", name, error);