From 182b4eea73881c611a0f519576aa6ad2aa6799c2 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Sat, 27 Nov 2021 15:26:58 +0100
Subject: Update dependencies (#333)

---
 vendor/codeberg.org/gruf/go-logger/writer.go | 29 ++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 vendor/codeberg.org/gruf/go-logger/writer.go

(limited to 'vendor/codeberg.org/gruf/go-logger/writer.go')

diff --git a/vendor/codeberg.org/gruf/go-logger/writer.go b/vendor/codeberg.org/gruf/go-logger/writer.go
new file mode 100644
index 000000000..72321f518
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-logger/writer.go
@@ -0,0 +1,29 @@
+package logger
+
+import (
+	"io"
+	"io/ioutil"
+	"sync"
+)
+
+// AddSafety wraps an io.Writer to provide mutex locking protection
+func AddSafety(w io.Writer) io.Writer {
+	if w == nil {
+		w = ioutil.Discard
+	} else if sw, ok := w.(*safeWriter); ok {
+		return sw
+	}
+	return &safeWriter{wr: w}
+}
+
+// safeWriter wraps an io.Writer to provide mutex locking on write
+type safeWriter struct {
+	wr io.Writer
+	mu sync.Mutex
+}
+
+func (w *safeWriter) Write(b []byte) (int, error) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	return w.wr.Write(b)
+}
-- 
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