From 0a0893280b3a916e71d5cc805dc85086e2c384a7 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 8 Feb 2017 11:33:29 +0100
Subject: [PATCH] core: fix nm_utils_file_set_contents() handling of -1 length

nm_utils_file_set_contents() must compute the content size when
@length is -1.

Fixes: 21358edc549123a754e508f2b317c811516e138a
---
 src/nm-core-utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/nm-core-utils.c b/src/nm-core-utils.c
index 2f011105dd..352bde8a54 100644
--- a/src/nm-core-utils.c
+++ b/src/nm-core-utils.c
@@ -4076,6 +4076,9 @@ nm_utils_file_set_contents (const gchar *filename,
 	g_return_val_if_fail (!error || !*error, FALSE);
 	g_return_val_if_fail (length >= -1, FALSE);
 
+	if (length == -1)
+		length = strlen (contents);
+
 	tmp_name = g_strdup_printf ("%s.XXXXXX", filename);
 	fd = g_mkstemp_full (tmp_name, O_RDWR, mode);
 	if (fd < 0) {