Minor fixes for ctypes bindings

libr/bin/bin.c

@@ -309,6 +309,7 @@ R_API RList* r_bin_get_imports(RBin *bin) {
 }
 
 R_API RBinInfo* r_bin_get_info(RBin *bin) {
+	if (!bin->cur.buf) return NULL;
 	return bin->cur.o->info;
 }
 

r2-bindings/ctypes/test-bin.py

@@ -24,6 +24,29 @@ baddr= a.get_baddr ()
 print ("base address: "+str(baddr))
 
 sect = a.get_sections ()
+sect.__init_methods__()
+#sect._o = addressof (sect)
+print(dir(sect))
+
+it = sect.iterator ()
+#it.__init_methods__()
+print(dir(it))
+while True:
+	it.__init_methods__()
+	data = it.get_data ()
+	print ("+++++",sect._o)
+	ds = cast (data, POINTER(RBinSection)).contents
+	print ("Section: ", ds.name)
+	if it.n == None:
+		print ("GO BREAK")
+		break
+	it = it.get_next ()
+
+exit(0)
+sect._o = addressof (sect)
+sect.__init_methods__()
+print ("_________________O ",a._o)
+
 print ("sections: "+str(sect))
 print dir(sect)
 #sectlist = cast(a, ctypes.c_void_p)