diff options
Diffstat (limited to 'config/bom.go')
| -rw-r--r-- | config/bom.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/config/bom.go b/config/bom.go new file mode 100644 index 00000000..48963e7f --- /dev/null +++ b/config/bom.go @@ -0,0 +1,56 @@ +package config + +import ( + "errors" + "io" +) + +func (p *configParser) skipBOM() error { + first, err := p.reader.ReadByte() + if errors.Is(err, io.EOF) { + return nil + } + + if err != nil { + return err + } + + if first != 0xef { + _ = p.reader.UnreadByte() + + return nil + } + + second, err := p.reader.ReadByte() + if err != nil { + if errors.Is(err, io.EOF) { + _ = p.reader.UnreadByte() + + return nil + } + + return err + } + + third, err := p.reader.ReadByte() + if err != nil { + if errors.Is(err, io.EOF) { + _ = p.reader.UnreadByte() + _ = p.reader.UnreadByte() + + return nil + } + + return err + } + + if second == 0xbb && third == 0xbf { + return nil + } + + _ = p.reader.UnreadByte() + _ = p.reader.UnreadByte() + _ = p.reader.UnreadByte() + + return nil +} |
