[mynewt-newt] 02/05: util: Add function: OneTimeWarningError(err error)

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ccollins pushed a commit to branch master
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commit 9bb427ee378a300e26e912036fbeba8be6985768
Author: Christopher Collins <cc...@apache.org>
AuthorDate: Thu Nov 7 10:11:17 2019 -0800

    util: Add function: OneTimeWarningError(err error)
    
    OneTimeWarningError displays the text of the specified error as a
    warning if it has not been displayed yet.  No-op if nil is passed in.
---
 util/util.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/util/util.go b/util/util.go
index 900afbb..080a46e 100644
--- a/util/util.go
+++ b/util/util.go
@@ -854,6 +854,14 @@ func OneTimeWarning(text string, args ...interface{}) {
 	}
 }
 
+// OneTimeWarningError displays the text of the specified error as a warning if
+// it has not been displayed yet.  No-op if nil is passed in.
+func OneTimeWarningError(err error) {
+	if err != nil {
+		OneTimeWarning("%s", err.Error())
+	}
+}
+
 func MarshalJSONStringer(sr fmt.Stringer) ([]byte, error) {
 	s := sr.String()
 	j, err := json.Marshal(s)