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Fix panic: runtime error: slice bounds out of range (#94) 

Reslicing line[10:] went wrong if only 'setprompt' was entered, without a space after.
This commit is contained in:
Remi Reuvekamp 2016-11-06 05:23:43 +01:00 committed by chzyer
parent 25c2772d5f
commit c914be64f0
1 changed files with 2 additions and 3 deletions
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5
example/readline-demo/readline-demo.go
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@ -127,12 +127,11 @@ func main() {
println("you set:", strconv.Quote(string(pswd))) println("you set:", strconv.Quote(string(pswd)))
} }
case strings.HasPrefix(line, "setprompt"): case strings.HasPrefix(line, "setprompt"):
prompt := line[10:] if len(line) <= 10 {
if prompt == "" {
log.Println("setprompt <prompt>") log.Println("setprompt <prompt>")
break break
} }
l.SetPrompt(prompt) l.SetPrompt(line[10:])
case strings.HasPrefix(line, "say"): case strings.HasPrefix(line, "say"):
line := strings.TrimSpace(line[3:]) line := strings.TrimSpace(line[3:])
if len(line) == 0 { if len(line) == 0 {