Fix slowlogToZapEncoder.add() panic on empty buf

anahan · anahan · commit dfa3681d0e45 · 2023-04-10T15:19:11.000+02:00
diff --git a/cmd/docker-fpm-wrapper/slowlog.go b/cmd/docker-fpm-wrapper/slowlog.go
@@ -23,7 +23,7 @@ func (sle *slowlogToZapEncoder) reset() {
 }
 
 func (sle *slowlogToZapEncoder) add(s string) {
-	if sle.strBuf[len(sle.strBuf)-1] == s {
+	if l := len(sle.strBuf); l > 1 && sle.strBuf[l-1] == s {
 		return
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ func (sle *slowlogToZapEncoder) reset() {`
`23`	`23`	`}`
`24`	`24`
`25`	`25`	`func (sle *slowlogToZapEncoder) add(s string) {`
`26`		`- if sle.strBuf[len(sle.strBuf)-1] == s {`
	`26`	`+ if l := len(sle.strBuf); l > 1 && sle.strBuf[l-1] == s {`
`27`	`27`	`return`
`28`	`28`	`}`
`29`	`29`