setup-hostname: send erro messages to stderr

1 files changed, 4 insertions, 4 deletions

diff --git a/setup-hostname.in b/setup-hostname.in
index a655a58..c4f876a 100644
--- a/setup-hostname.in
+++ b/setup-hostname.in
@@ -24,18 +24,18 @@ usage() {
 valid_hostname() {
 	# check length
 	if [ $(echo "$1" | wc -c) -gt 255 ]; then
-		echo "Hostname '$1' is too long."
+		echo "Hostname '$1' is too long." >&2
 		return 1
 	fi
 	# check that it only contains valid chars
 	if ! [ -z "$(echo $1 | sed 's/[0-9a-z.-]//g')" ]; then
-		echo "Hostname must only contain letters (a-z), digits (0-9), '.' or '-'"
+		echo "Hostname must only contain letters (a-z), digits (0-9), '.' or '-'" >&2
 		return 1
 	fi
 	# must not start with - or .
 	case "$1" in
-		-*) echo "Hostname must not start with a '-'"; return 1;;
-		.*) echo "Hostname must not start with a '.'"; return 1;;
+		-*) echo "Hostname must not start with a '-'" >&2; return 1;;
+		.*) echo "Hostname must not start with a '.'" >&2; return 1;;
 	esac
 	return 0
 }