From 58358ddd7cd0152bf16a7326e1d595524fb51246 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Tue, 8 Dec 2015 13:38:43 -0500 Subject: Some refactoring --- .../_workspace/src/gopkg.in/asn1-ber.v1/header.go | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Godeps/_workspace/src/gopkg.in/asn1-ber.v1/header.go (limited to 'Godeps/_workspace/src/gopkg.in/asn1-ber.v1/header.go') diff --git a/Godeps/_workspace/src/gopkg.in/asn1-ber.v1/header.go b/Godeps/_workspace/src/gopkg.in/asn1-ber.v1/header.go new file mode 100644 index 000000000..123744e9b --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/asn1-ber.v1/header.go @@ -0,0 +1,29 @@ +package ber + +import ( + "errors" + "io" +) + +func readHeader(reader io.Reader) (identifier Identifier, length int, read int, err error) { + if i, c, err := readIdentifier(reader); err != nil { + return Identifier{}, 0, read, err + } else { + identifier = i + read += c + } + + if l, c, err := readLength(reader); err != nil { + return Identifier{}, 0, read, err + } else { + length = l + read += c + } + + // Validate length type with identifier (x.600, 8.1.3.2.a) + if length == LengthIndefinite && identifier.TagType == TypePrimitive { + return Identifier{}, 0, read, errors.New("indefinite length used with primitive type") + } + + return identifier, length, read, nil +} -- cgit v1.2.3-1-g7c22