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Added supplementary error checking (#99)

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* Added supplementary errorichecking

* After running util.go through gofmt

* Updated main and util

* Minor updates to main and util

* Slight refactoring

* Add tests
This commit is contained in:
Joona Hoikkala
2018-08-12 18:49:17 +03:00
committed by GitHub
parent 75d4a30c1f
commit 856cc05881
3 changed files with 56 additions and 13 deletions
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14
util.go
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@ -17,19 +17,23 @@ func jsonError(message string) []byte {
return []byte(fmt.Sprintf("{\"error\": \"%s\"}", message))
}
func fileExists(fname string) bool {
func fileIsAccessible(fname string) bool {
_, err := os.Stat(fname)
if err != nil {
return false
}
f, err := os.Open(fname)
if err != nil {
return false
}
f.Close()
return true
}
func readConfig(fname string) DNSConfig {
func readConfig(fname string) (DNSConfig, error) {
var conf DNSConfig
// Practically never errors
_, _ = toml.DecodeFile(fname, &conf)
return conf
_, err := toml.DecodeFile(fname, &conf)
return conf, err
}
func sanitizeString(s string) string {