Add additional defense against 0-length log segfaults
@@ -313,11 +313,11 @@ func (w *logWriter) write(msg *logMessage) error {
if w.opts.Timestamps && !w.doAppend {
prefix := append([]byte(msg.timestamp.Format(timeFormat)), delimiter[0])
line = append(prefix, line...)
- if line[len(line)-1] != '\n' {
+ if len(line) > 0 && line[len(line)-1] != '\n' {
w.doAppend = true
}
}
- if w.doAppend && line[len(line)-1] == '\n' {
+ if w.doAppend && len(line) > 0 && line[len(line)-1] == '\n' {
w.doAppend = false
}
// If the line is longer than the remaining bytes, cut it.
