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bincode
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Perform sanity check when reading enum variant.

This commit is contained in:
Francesco Mazzoli 2015-01-03 04:54:31 +01:00
parent ac6930c37d
commit 38058fb6d3
1 changed files with 10 additions and 2 deletions
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12
src/reader.rs
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@ -74,10 +74,18 @@ impl<'a, R: Reader+Buffer> Decoder<IoError> for DecoderReader<'a, R> {
F: FnOnce(&mut DecoderReader<'a, R>) -> IoResult<T> {
f(self)
}
fn read_enum_variant<T, F>(&mut self, _: &[&str], mut f: F) -> IoResult<T> where
fn read_enum_variant<T, F>(&mut self, names: &[&str], mut f: F) -> IoResult<T> where
F: FnMut(&mut DecoderReader<'a, R>, uint) -> IoResult<T> {
let id = try!(self.read_uint());
f(self, id)
if id >= names.len() {
Err(IoError {
kind: OtherIoError,
desc: "out of bounds tag when reading enum variant",
detail: Some(format!("Expected tag < {}, got {}", names.len(), id))
})
} else {
f(self, id)
}
}
fn read_enum_variant_arg<T, F>(&mut self, _: uint, f: F) -> IoResult<T> where
F: FnOnce(&mut DecoderReader<'a, R>) -> IoResult<T> {