From c6716e030c02f316b887c1d3ee4b443aa3ab6afd Mon Sep 17 00:00:00 2001 From: Wim Date: Fri, 1 Apr 2022 00:23:19 +0200 Subject: Update dependencies (#1784) --- .../x/tools/go/gcexportdata/gcexportdata.go | 23 +++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'vendor/golang.org/x/tools/go/gcexportdata') diff --git a/vendor/golang.org/x/tools/go/gcexportdata/gcexportdata.go b/vendor/golang.org/x/tools/go/gcexportdata/gcexportdata.go index fc8beea5..cec819d6 100644 --- a/vendor/golang.org/x/tools/go/gcexportdata/gcexportdata.go +++ b/vendor/golang.org/x/tools/go/gcexportdata/gcexportdata.go @@ -50,11 +50,24 @@ func Find(importPath, srcDir string) (filename, path string) { // additional trailing data beyond the end of the export data. func NewReader(r io.Reader) (io.Reader, error) { buf := bufio.NewReader(r) - _, err := gcimporter.FindExportData(buf) - // If we ever switch to a zip-like archive format with the ToC - // at the end, we can return the correct portion of export data, - // but for now we must return the entire rest of the file. - return buf, err + _, size, err := gcimporter.FindExportData(buf) + if err != nil { + return nil, err + } + + if size >= 0 { + // We were given an archive and found the __.PKGDEF in it. + // This tells us the size of the export data, and we don't + // need to return the entire file. + return &io.LimitedReader{ + R: buf, + N: size, + }, nil + } else { + // We were given an object file. As such, we don't know how large + // the export data is and must return the entire file. + return buf, nil + } } // Read reads export data from in, decodes it, and returns type -- cgit v1.2.3