all: reuse _nm_utils_hwaddr_ntoa() for converting binary to string

libnm-core/nm-core-internal.h

@@ -126,6 +126,8 @@ gboolean _nm_setting_get_property (NMSetting *setting, const char *name, GValue
 
 guint _nm_utils_hwaddr_length (const char *asc);
 
+char *_nm_utils_bin2str (gconstpointer addr, gsize length, gboolean upper_case);
+
 GSList *    _nm_utils_hash_values_to_slist (GHashTable *hash);
 
 GHashTable *_nm_utils_copy_strdict (GHashTable *strdict);

libnm-core/nm-utils.c

@@ -3067,24 +3067,14 @@ nm_utils_hwaddr_aton (const char *asc, gpointer buffer, gsize length)
 		return NULL;
 }
 
-/**
- * nm_utils_hwaddr_ntoa:
- * @addr: (type guint8) (array length=length): a binary hardware address
- * @length: the length of @addr
- *
- * Converts @addr to textual form.
- *
- * Return value: (transfer full): the textual form of @addr
- */
-char *
-nm_utils_hwaddr_ntoa (gconstpointer addr, gsize length)
+static char *
+_bin2str (gconstpointer addr, gsize length, const char *LOOKUP)
 {
 	const guint8 *in = addr;
 	char *out, *result;
-	const char *LOOKUP = "0123456789ABCDEF";
 
 	g_return_val_if_fail (addr != NULL, g_strdup (""));
-	g_return_val_if_fail (length > 0 && length <= NM_UTILS_HWADDR_LEN_MAX, g_strdup (""));
+	g_return_val_if_fail (length > 0, g_strdup (""));
 
 	result = out = g_malloc (length * 3);
 	while (length--) {
@@ -3100,6 +3090,38 @@ nm_utils_hwaddr_ntoa (gconstpointer addr, gsize length)
 	return result;
 }
 
+/**
+ * nm_utils_hwaddr_ntoa:
+ * @addr: (type guint8) (array length=length): a binary hardware address
+ * @length: the length of @addr
+ *
+ * Converts @addr to textual form.
+ *
+ * Return value: (transfer full): the textual form of @addr
+ */
+char *
+nm_utils_hwaddr_ntoa (gconstpointer addr, gsize length)
+{
+	return _bin2str (addr, length, "0123456789ABCDEF");
+}
+
+/**
+ * _nm_utils_bin2str:
+ * @addr: (type guint8) (array length=length): a binary hardware address
+ * @length: the length of @addr
+ * @upper_case: the case for the hexadecimal digits.
+ *
+ * Converts @addr to textual form.
+ *
+ * Return value: (transfer full): the textual form of @addr
+ */
+char *
+_nm_utils_bin2str (gconstpointer addr, gsize length, gboolean upper_case)
+{
+	return _bin2str (addr, length,
+	                 upper_case ? "0123456789ABCDEF" : "0123456789abcdef");
+}
+
 static int
 hwaddr_binary_len (const char *asc)
 {

src/devices/nm-device.c

@@ -10697,24 +10697,6 @@ deactivate_reset_hw_addr (NMDevice *self)
 	nm_device_hw_addr_reset (self, "deactivate");
 }
 
-static char *
-bin2hexstr (const char *bytes, gsize len)
-{
-	GString *str;
-	int i;
-
-	g_return_val_if_fail (bytes != NULL, NULL);
-	g_return_val_if_fail (len > 0, NULL);
-
-	str = g_string_sized_new (len * 2 + 1);
-	for (i = 0; i < len; i++) {
-		if (str->len)
-			g_string_append_c (str, ':');
-		g_string_append_printf (str, "%02x", (guint8) bytes[i]);
-	}
-	return g_string_free (str, FALSE);
-}
-
 static char *
 find_dhcp4_address (NMDevice *self)
 {
@@ -10787,7 +10769,6 @@ nm_device_spawn_iface_helper (NMDevice *self)
 	method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
 	if (g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0) {
 		NMSettingIPConfig *s_ip4;
-		char *hex_client_id;
 
 		s_ip4 = nm_connection_get_setting_ip4_config (connection);
 		g_assert (s_ip4);
@@ -10807,9 +10788,10 @@ nm_device_spawn_iface_helper (NMDevice *self)
 			client_id = nm_dhcp_client_get_client_id (priv->dhcp4.client);
 			if (client_id) {
 				g_ptr_array_add (argv, g_strdup ("--dhcp4-clientid"));
-				hex_client_id = bin2hexstr (g_bytes_get_data (client_id, NULL),
-				                            g_bytes_get_size (client_id));
-				g_ptr_array_add (argv, hex_client_id);
+				g_ptr_array_add (argv,
+				                 _nm_utils_bin2str (g_bytes_get_data (client_id, NULL),
+				                                    g_bytes_get_size (client_id),
+				                                    FALSE));
 			}
 
 			hostname = nm_dhcp_client_get_hostname (priv->dhcp4.client);
@@ -10831,7 +10813,6 @@ nm_device_spawn_iface_helper (NMDevice *self)
 	method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
 	if (g_strcmp0 (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0) {
 		NMSettingIPConfig *s_ip6;
-		char *hex_iid;
 		NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT;
 
 		s_ip6 = nm_connection_get_setting_ip6_config (connection);
@@ -10850,8 +10831,10 @@ nm_device_spawn_iface_helper (NMDevice *self)
 
 		if (nm_device_get_ip_iface_identifier (self, &iid, FALSE)) {
 			g_ptr_array_add (argv, g_strdup ("--iid"));
-			hex_iid = bin2hexstr ((const char *) iid.id_u8, sizeof (NMUtilsIPv6IfaceId));
-			g_ptr_array_add (argv, hex_iid);
+			g_ptr_array_add (argv,
+			                 _nm_utils_bin2str (iid.id_u8,
+			                                    sizeof (NMUtilsIPv6IfaceId),
+			                                    FALSE));
 		}
 
 		g_ptr_array_add (argv, g_strdup ("--addr-gen-mode"));

src/dhcp-manager/nm-dhcp-utils.c

@@ -29,6 +29,7 @@
 #include "NetworkManagerUtils.h"
 #include "nm-platform.h"
 #include "nm-dhcp-client-logging.h"
+#include "nm-core-internal.h"
 
 /********************************************/
 
@@ -695,18 +696,9 @@ error:
 char *
 nm_dhcp_utils_duid_to_string (const GByteArray *duid)
 {
-	guint32 i = 0;
-	GString *s;
-
 	g_return_val_if_fail (duid != NULL, NULL);
 
-	s = g_string_sized_new (MIN (duid->len * 3, 50));
-	while (i < duid->len) {
-		if (s->len)
-			g_string_append_c (s, ':');
-		g_string_append_printf (s, "%02x", duid->data[i++]);
-	}
-	return g_string_free (s, FALSE);
+	return _nm_utils_bin2str (duid->data, duid->len, FALSE);
 }
 
 /**