From 1a6cb937c7841ade46b188c6c33cd40220833939 Mon Sep 17 00:00:00 2001
From: Renato Botelho <renato@netgate.com>
Date: Fri, 14 Oct 2016 08:46:42 -0300
Subject: Change safe_write_file $content parameter to accept an array

---
 src/etc/inc/config.lib.inc | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/etc/inc/config.lib.inc b/src/etc/inc/config.lib.inc
index 1b2cc32..28a7a36 100644
--- a/src/etc/inc/config.lib.inc
+++ b/src/etc/inc/config.lib.inc
@@ -485,7 +485,7 @@ function convert_config() {
  *   process, them renaming the temporary file over the original.
  * INPUTS
  *   $filename  - string containing the filename of the file to write
- *   $content   - string containing the file content to write to file
+ *   $content   - string or array containing the file content to write to file
  *   $force_binary      - boolean denoting whether we should force binary
  *   mode writing.
  * RESULT
@@ -500,7 +500,15 @@ function safe_write_file($file, $content, $force_binary = false) {
 		// Unable to open temporary file for writing
 		return false;
 	}
-	if (!fwrite($fd, $content)) {
+	if (is_array($content)) {
+		foreach ($content as $line) {
+			if (!fwrite($fd, $line . "\n")) {
+				// Unable to write to temporary file
+				fclose($fd);
+				return false;
+			}
+		}
+	} elseif (!fwrite($fd, $content)) {
 		// Unable to write to temporary file
 		fclose($fd);
 		return false;
-- 
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