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authorChuck Lever <chuck.lever@oracle.com>2024-10-03 14:54:37 -0400
committerChuck Lever <chuck.lever@oracle.com>2024-11-11 13:42:03 -0500
commitda298d01136e2f80a1a3a47f81d8bb3ade2d306c (patch)
tree3aeb316d82fb69755c5bb243ed975f8510cae9f9 /tools/net
parentb0b85ef754740102cd659aea10aa516fe27f6b36 (diff)
downloadlwn-da298d01136e2f80a1a3a47f81d8bb3ade2d306c.tar.gz
lwn-da298d01136e2f80a1a3a47f81d8bb3ade2d306c.zip
xdrgen: XDR width for a string
A string works like a variable-length opaque. See Section 4.11 of RFC 4506. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'tools/net')
-rw-r--r--tools/net/sunrpc/xdrgen/xdr_ast.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/net/sunrpc/xdrgen/xdr_ast.py b/tools/net/sunrpc/xdrgen/xdr_ast.py
index 94cdcfb36e77..d5f48c094729 100644
--- a/tools/net/sunrpc/xdrgen/xdr_ast.py
+++ b/tools/net/sunrpc/xdrgen/xdr_ast.py
@@ -172,6 +172,21 @@ class _XdrString(_XdrDeclaration):
maxsize: str
template: str = "string"
+ def max_width(self) -> int:
+ """Return width of type in XDR_UNITS"""
+ return 1 + xdr_quadlen(self.maxsize)
+
+ def symbolic_width(self) -> List:
+ """Return list containing XDR width of type's components"""
+ widths = ["XDR_unsigned_int"]
+ if self.maxsize != "0":
+ widths.append("XDR_QUADLEN(" + self.maxsize + ")")
+ return widths
+
+ def __post_init__(self):
+ max_widths[self.name] = self.max_width()
+ symbolic_widths[self.name] = self.symbolic_width()
+
@dataclass
class _XdrFixedLengthArray(_XdrDeclaration):