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check len before accessing element

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This commit is contained in:
Kirill Motkov 2020-04-12 16:38:44 +03:00 committed by J Guerreiro
parent 6bd920265c
commit ddd1cc35d2
1 changed files with 14 additions and 12 deletions
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26
config.go
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@ -234,21 +234,23 @@ func editor() (string, []string) {
}
fallthrough
case os.Getenv("EDITOR") != "":
editorArgs := strings.Fields(os.Getenv("EDITOR"))
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
if editorArgs := strings.Fields(os.Getenv("EDITOR")); len(editorArgs) != 0 {
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
}
}
fallthrough
case os.Getenv("VISUAL") != "":
editorArgs := strings.Fields(os.Getenv("VISUAL"))
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
if editorArgs := strings.Fields(os.Getenv("VISUAL")); len(editorArgs) != 0 {
editor, err := exec.LookPath(editorArgs[0])
if err != nil {
fmt.Fprintln(os.Stderr, err)
} else {
return editor, editorArgs[1:]
}
}
fallthrough
default: