Updated to standard Python C coding style, and fixed a few error

checking nits.

Modules/_xdrmodule.c

 /* This module exports part of the C API to the XDR routines into Python.
- * XDR is Sun's eXternal Data Representation, as described in RFC 1014.  This
- * module is used by xdrlib.py to support the float and double data types
- * which are too much of a pain to support in Python directly.  It is
+ * XDR is Sun's eXternal Data Representation, as described in RFC 1014.
+ * This module is used by xdrlib.py to support the float and double data
+ * types which are too much of a pain to support in Python directly.  It is
  * not required by xdrlib.py -- when not available, these types aren't
  * supported at the Python layer.  Note that representations that can be
  * implemented solely in Python, are *not* reproduced here.
@@ -42,8 +42,9 @@ pack_float(self, args)
 
         xdr.x_ops = NULL;
         xdrmem_create(&xdr, addr.buffer, 4, XDR_ENCODE);
-    if( xdr.x_ops == NULL )
-        PyErr_SetString(xdr_error, "XDR stream initialization failed.");
+        if (xdr.x_ops == NULL)
+                PyErr_SetString(xdr_error,
+                                "XDR stream initialization failed.");
         else if (xdr_float(&xdr, &value))
                 rtn = PyString_FromStringAndSize(addr.buffer, 4);
         else
@@ -73,8 +74,9 @@ pack_double(self, args)
 
         xdr.x_ops = NULL;
         xdrmem_create(&xdr, addr.buffer, 8, XDR_ENCODE);
-    if( xdr.x_ops == NULL )
-        PyErr_SetString(xdr_error, "XDR stream initialization failed.");
+        if (xdr.x_ops == NULL)
+                PyErr_SetString(xdr_error,
+                                "XDR stream initialization failed.");
         else if (xdr_double(&xdr, &value))
                 rtn = PyString_FromStringAndSize(addr.buffer, 8);
         else
@@ -108,8 +110,9 @@ unpack_float(self, args)
         /* Python guarantees that the string is 4 byte aligned */
         xdr.x_ops = NULL;
         xdrmem_create(&xdr, (caddr_t)string, 4, XDR_DECODE);
-    if( xdr.x_ops == NULL )
-        PyErr_SetString(xdr_error, "XDR stream initialization failed.");
+        if (xdr.x_ops == NULL)
+                PyErr_SetString(xdr_error,
+                                "XDR stream initialization failed.");
         else if (xdr_float(&xdr, &value))
                 rtn = Py_BuildValue("f", value);
         else
@@ -143,8 +146,9 @@ unpack_double(self, args)
         /* Python guarantees that the string is 4 byte aligned */
         xdr.x_ops = NULL;
         xdrmem_create(&xdr, (caddr_t)string, 8, XDR_DECODE);
-    if( xdr.x_ops == NULL )
-        PyErr_SetString(xdr_error, "XDR stream initialization failed.");
+        if (xdr.x_ops == NULL)
+                PyErr_SetString(xdr_error,
+                                "XDR stream initialization failed.");
         else if (xdr_double(&xdr, &value))
                 rtn = Py_BuildValue("d", value);
         else
@@ -178,4 +182,6 @@ init_xdr()
 
         xdr_error = PyString_FromString("_xdr.error");
         PyDict_SetItemString(dict, "error", xdr_error);
+        if (PyErr_Occurred())
+                Py_FatalError("can't initialize module _xdr");
 }