xdrgen: XDR width for pointer types

The XDR width of a pointer type is the sum of the widths of each of
the struct's fields, except for the last field. The width of the
implicit boolean "value follows" field is added as well.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/tools/net/sunrpc/xdrgen/xdr_ast.py b/tools/net/sunrpc/xdrgen/xdr_ast.py
index f34b147c8dfdf8ab1d813359b4489d7a24c9cb14..8d53c889eee8d266baea1b01f42b8b7ab460d761 100644 (file)
--- a/tools/net/sunrpc/xdrgen/xdr_ast.py
+++ b/tools/net/sunrpc/xdrgen/xdr_ast.py
@@ -378,9 +378,26 @@ class _XdrPointer(_XdrAst):
     name: str
     fields: List[_XdrDeclaration]
 
+    def max_width(self) -> int:
+        """Return width of type in XDR_UNITS"""
+        width = 1
+        for field in self.fields[0:-1]:
+            width += field.max_width()
+        return width
+
+    def symbolic_width(self) -> List:
+        """Return list containing XDR width of type's components"""
+        widths = []
+        widths += ["XDR_bool"]
+        for field in self.fields[0:-1]:
+            widths += field.symbolic_width()
+        return widths
+
     def __post_init__(self):
         structs.add(self.name)
         pass_by_reference.add(self.name)
+        max_widths[self.name] = self.max_width()
+        symbolic_widths[self.name] = self.symbolic_width()
 
 
 @dataclass