From c7d7f10bdff703e4a3c0414e8a33d4e45c91eb35 Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Sat, 4 Jul 2020 11:12:55 +0200 Subject: go.mod: vendor golangci-lint --- .../sourcegraph/go-diff/diff/reader_util.go | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 vendor/github.com/sourcegraph/go-diff/diff/reader_util.go (limited to 'vendor/github.com/sourcegraph/go-diff/diff/reader_util.go') diff --git a/vendor/github.com/sourcegraph/go-diff/diff/reader_util.go b/vendor/github.com/sourcegraph/go-diff/diff/reader_util.go new file mode 100644 index 000000000..395fb7baf --- /dev/null +++ b/vendor/github.com/sourcegraph/go-diff/diff/reader_util.go @@ -0,0 +1,37 @@ +package diff + +import ( + "bufio" + "io" +) + +// readLine is a helper that mimics the functionality of calling bufio.Scanner.Scan() and +// bufio.Scanner.Bytes(), but without the token size limitation. It will read and return +// the next line in the Reader with the trailing newline stripped. It will return an +// io.EOF error when there is nothing left to read (at the start of the function call). It +// will return any other errors it receives from the underlying call to ReadBytes. +func readLine(r *bufio.Reader) ([]byte, error) { + line_, err := r.ReadBytes('\n') + if err == io.EOF { + if len(line_) == 0 { + return nil, io.EOF + } + + // ReadBytes returned io.EOF, because it didn't find another newline, but there is + // still the remainder of the file to return as a line. + line := line_ + return line, nil + } else if err != nil { + return nil, err + } + line := line_[0 : len(line_)-1] + return dropCR(line), nil +} + +// dropCR drops a terminal \r from the data. +func dropCR(data []byte) []byte { + if len(data) > 0 && data[len(data)-1] == '\r' { + return data[0 : len(data)-1] + } + return data +} -- cgit mrf-deployment