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author | Chuck Lever <chuck.lever@oracle.com> | 2024-10-03 14:54:37 -0400 |
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committer | Chuck Lever <chuck.lever@oracle.com> | 2024-11-11 13:42:03 -0500 |
commit | da298d01136e2f80a1a3a47f81d8bb3ade2d306c (patch) | |
tree | 3aeb316d82fb69755c5bb243ed975f8510cae9f9 /tools/net | |
parent | b0b85ef754740102cd659aea10aa516fe27f6b36 (diff) | |
download | lwn-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.py | 15 |
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): |