various: move const ptr indicator to return value

src/network/netdev/bareudp.h

@@ -28,7 +28,7 @@ struct BareUDP {
 DEFINE_NETDEV_CAST(BAREUDP, BareUDP);
 extern const NetDevVTable bare_udp_vtable;
 
-const char *bare_udp_protocol_to_string(BareUDPProtocol d) _const_;
+const char* bare_udp_protocol_to_string(BareUDPProtocol d) _const_;
 BareUDPProtocol bare_udp_protocol_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_bare_udp_iftype);

src/network/netdev/fou-tunnel.h

@@ -34,7 +34,7 @@ typedef struct FouTunnel {
 DEFINE_NETDEV_CAST(FOU, FouTunnel);
 extern const NetDevVTable foutnl_vtable;
 
-const char *fou_encap_type_to_string(FooOverUDPEncapType d) _const_;
+const char* fou_encap_type_to_string(FooOverUDPEncapType d) _const_;
 FooOverUDPEncapType fou_encap_type_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_fou_encap_type);

src/network/netdev/geneve.h

@@ -44,7 +44,7 @@ struct Geneve {
 DEFINE_NETDEV_CAST(GENEVE, Geneve);
 extern const NetDevVTable geneve_vtable;
 
-const char *geneve_df_to_string(GeneveDF d) _const_;
+const char* geneve_df_to_string(GeneveDF d) _const_;
 GeneveDF geneve_df_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_geneve_vni);

src/network/netdev/netdev-util.h

@@ -16,7 +16,7 @@ typedef enum NetDevLocalAddressType {
         _NETDEV_LOCAL_ADDRESS_TYPE_INVALID = -EINVAL,
 } NetDevLocalAddressType;
 
-const char *netdev_local_address_type_to_string(NetDevLocalAddressType t) _const_;
+const char* netdev_local_address_type_to_string(NetDevLocalAddressType t) _const_;
 NetDevLocalAddressType netdev_local_address_type_from_string(const char *s) _pure_;
 
 int link_get_local_address(

src/network/netdev/netdev.h

@@ -212,7 +212,7 @@ int netdev_generate_hw_addr(NetDev *netdev, Link *link, const char *name,
 
 int link_request_stacked_netdev(Link *link, NetDev *netdev);
 
-const char *netdev_kind_to_string(NetDevKind d) _const_;
+const char* netdev_kind_to_string(NetDevKind d) _const_;
 NetDevKind netdev_kind_from_string(const char *d) _pure_;
 
 static inline NetDevCreateType netdev_get_create_type(NetDev *netdev) {

src/network/netdev/tunnel.h

@@ -123,7 +123,7 @@ extern const NetDevVTable ip6gretap_vtable;
 extern const NetDevVTable ip6tnl_vtable;
 extern const NetDevVTable erspan_vtable;
 
-const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
+const char* ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
 Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_ip6tnl_mode);

src/network/netdev/vxlan.h

@@ -66,7 +66,7 @@ struct VxLan {
 DEFINE_NETDEV_CAST(VXLAN, VxLan);
 extern const NetDevVTable vxlan_vtable;
 
-const char *df_to_string(VxLanDF d) _const_;
+const char* df_to_string(VxLanDF d) _const_;
 VxLanDF df_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_vxlan_address);

src/network/networkd-dhcp-common.h

@@ -79,7 +79,7 @@ static inline bool in6_prefix_is_filtered(const struct in6_addr *prefix, uint8_t
 
 int link_get_captive_portal(Link *link, const char **ret);
 
-const char *dhcp_option_data_type_to_string(DHCPOptionDataType d) _const_;
+const char* dhcp_option_data_type_to_string(DHCPOptionDataType d) _const_;
 DHCPOptionDataType dhcp_option_data_type_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_dhcp);

src/network/networkd-link.h

@@ -260,7 +260,7 @@ int manager_udev_process_link(Manager *m, sd_device *device, sd_device_action_t
 int manager_rtnl_process_link(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
 
 int link_flags_to_string_alloc(uint32_t flags, char **ret);
-const char *kernel_operstate_to_string(int t) _const_;
+const char* kernel_operstate_to_string(int t) _const_;
 
 void link_required_operstate_for_online(Link *link, LinkOperationalStateRange *ret);
 AddressFamily link_required_family_for_online(Link *link);

src/network/networkd-route-util.h

@@ -39,7 +39,7 @@ int manager_address_is_reachable(
                 Address **ret);
 
 int route_type_from_string(const char *s) _pure_;
-const char *route_type_to_string(int t) _const_;
+const char* route_type_to_string(int t) _const_;
 
 int route_scope_from_string(const char *s);
 int route_scope_to_string_alloc(int t, char **ret);

src/network/networkd-routing-policy-rule.h

@@ -53,7 +53,7 @@ typedef struct RoutingPolicyRule {
         int32_t suppress_ifgroup;
 } RoutingPolicyRule;
 
-const char *fr_act_type_full_to_string(int t) _const_;
+const char* fr_act_type_full_to_string(int t) _const_;
 
 RoutingPolicyRule *routing_policy_rule_free(RoutingPolicyRule *rule);
 

src/network/networkd-util.h

@@ -55,7 +55,7 @@ CONFIG_PARSER_PROTOTYPE(config_parse_link_local_address_family);
 CONFIG_PARSER_PROTOTYPE(config_parse_ip_masquerade);
 CONFIG_PARSER_PROTOTYPE(config_parse_mud_url);
 
-const char *network_config_source_to_string(NetworkConfigSource s) _const_;
+const char* network_config_source_to_string(NetworkConfigSource s) _const_;
 
 int network_config_state_to_string_alloc(NetworkConfigState s, char **ret);
 
@@ -131,23 +131,23 @@ int network_config_state_to_string_alloc(NetworkConfigState s, char **ret);
                                     0);                                 \
         }
 
-const char *address_family_to_string(AddressFamily b) _const_;
+const char* address_family_to_string(AddressFamily b) _const_;
 AddressFamily address_family_from_string(const char *s) _pure_;
 
 AddressFamily link_local_address_family_from_string(const char *s) _pure_;
 
-const char *routing_policy_rule_address_family_to_string(AddressFamily b) _const_;
+const char* routing_policy_rule_address_family_to_string(AddressFamily b) _const_;
 AddressFamily routing_policy_rule_address_family_from_string(const char *s) _pure_;
 
-const char *nexthop_address_family_to_string(AddressFamily b) _const_;
+const char* nexthop_address_family_to_string(AddressFamily b) _const_;
 AddressFamily nexthop_address_family_from_string(const char *s) _pure_;
 
-const char *duplicate_address_detection_address_family_to_string(AddressFamily b) _const_;
+const char* duplicate_address_detection_address_family_to_string(AddressFamily b) _const_;
 AddressFamily duplicate_address_detection_address_family_from_string(const char *s) _pure_;
 
 AddressFamily dhcp_deprecated_address_family_from_string(const char *s) _pure_;
 
-const char *dhcp_lease_server_type_to_string(sd_dhcp_lease_server_type_t t) _const_;
+const char* dhcp_lease_server_type_to_string(sd_dhcp_lease_server_type_t t) _const_;
 sd_dhcp_lease_server_type_t dhcp_lease_server_type_from_string(const char *s) _pure_;
 
 int log_link_message_full_errno(Link *link, sd_netlink_message *m, int level, int err, const char *msg);