fix: check data nil

aimuz · aimuz · commit 5c4e6708e0ee · 2023-05-17T14:21:04.000+08:00
Signed-off-by: aimuz &lt;mr.imuz@gmail.com&gt;
diff --git a/klog.go b/klog.go
@@ -873,7 +873,7 @@ func (l *loggingT) output(s severity.Severity, logger *logWriter, buf *buffer.Bu
 		if logger.writeKlogBuffer != nil {
 			logger.writeKlogBuffer(data)
 		} else {
-			if data[len(data)-1] == '\n' {
+			if len(data) > 0 && data[len(data)-1] == '\n' {
 				data = data[:len(data)-1]
 			}
 			// TODO: set 'severity' and caller information as structured log info

Original file line number	Diff line number	Diff line change
`@@ -873,7 +873,7 @@ func (l loggingT) output(s severity.Severity, logger logWriter, buf *buffer.Bu`
`873`	`873`	`if logger.writeKlogBuffer != nil {`
`874`	`874`	`logger.writeKlogBuffer(data)`
`875`	`875`	`} else {`
`876`		`- if data[len(data)-1] == '\n' {`
	`876`	`+ if len(data) > 0 && data[len(data)-1] == '\n' {`
`877`	`877`	`data = data[:len(data)-1]`
`878`	`878`	`}`
`879`	`879`	`// TODO: set 'severity' and caller information as structured log info`