sd-netlink: types - let tables be sized implicitly

This way we do not rely on the size MAX* constants from the kernel headers, as these will
be out-of-sync in case we have old headers and new defines in missing.h.

2 files changed, 35 insertions, 34 deletions

diff --git a/src/basic/missing.h b/src/basic/missing.h
index 306c56a156..71dad8f0ad 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -23,19 +23,20 @@
 
 /* Missing glibc definitions to access certain kernel APIs */
 
-#include <sys/resource.h>
-#include <sys/syscall.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
 #include <errno.h>
-#include <linux/oom.h>
-#include <linux/input.h>
-#include <linux/if_link.h>
-#include <linux/loop.h>
+#include <fcntl.h>
 #include <linux/audit.h>
 #include <linux/capability.h>
+#include <linux/if_link.h>
+#include <linux/input.h>
+#include <linux/loop.h>
 #include <linux/neighbour.h>
+#include <linux/oom.h>
+#include <linux/rtnetlink.h>
+#include <stdlib.h>
+#include <sys/resource.h>
+#include <sys/syscall.h>
+#include <unistd.h>
 
 #ifdef HAVE_AUDIT
 #include <libaudit.h>
diff --git a/src/libsystemd/sd-netlink/netlink-types.c b/src/libsystemd/sd-netlink/netlink-types.c
index cf0a6248d6..b2575404bf 100644
--- a/src/libsystemd/sd-netlink/netlink-types.c
+++ b/src/libsystemd/sd-netlink/netlink-types.c
@@ -83,20 +83,20 @@ static const NLTypeSystem empty_type_system = {
         .types = empty_types,
 };
 
-static const NLType rtnl_link_info_data_veth_types[VETH_INFO_MAX + 1] = {
+static const NLType rtnl_link_info_data_veth_types[] = {
         [VETH_INFO_PEER]  = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },
 };
 
-static const NLType rtnl_link_info_data_ipvlan_types[IFLA_IPVLAN_MAX + 1] = {
+static const NLType rtnl_link_info_data_ipvlan_types[] = {
         [IFLA_IPVLAN_MODE]  = { .type = NETLINK_TYPE_U16 },
 };
 
-static const NLType rtnl_link_info_data_macvlan_types[IFLA_MACVLAN_MAX + 1] = {
+static const NLType rtnl_link_info_data_macvlan_types[] = {
         [IFLA_MACVLAN_MODE]  = { .type = NETLINK_TYPE_U32 },
         [IFLA_MACVLAN_FLAGS] = { .type = NETLINK_TYPE_U16 },
 };
 
-static const NLType rtnl_link_bridge_management_types[IFLA_BRIDGE_MAX + 1] = {
+static const NLType rtnl_link_bridge_management_types[] = {
         [IFLA_BRIDGE_FLAGS]     = { .type = NETLINK_TYPE_U16 },
         [IFLA_BRIDGE_MODE]      = { .type = NETLINK_TYPE_U16 },
 /*
@@ -105,7 +105,7 @@ static const NLType rtnl_link_bridge_management_types[IFLA_BRIDGE_MAX + 1] = {
 */
 };
 
-static const NLType rtnl_link_info_data_bridge_types[IFLA_BR_MAX + 1] = {
+static const NLType rtnl_link_info_data_bridge_types[] = {
         [IFLA_BR_FORWARD_DELAY]  = { .type = NETLINK_TYPE_U32 },
         [IFLA_BR_HELLO_TIME]     = { .type = NETLINK_TYPE_U32 },
         [IFLA_BR_MAX_AGE]        = { .type = NETLINK_TYPE_U32 },
@@ -114,7 +114,7 @@ static const NLType rtnl_link_info_data_bridge_types[IFLA_BR_MAX + 1] = {
         [IFLA_BR_PRIORITY]       = { .type = NETLINK_TYPE_U16 },
 };
 
-static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
+static const NLType rtnl_link_info_data_vlan_types[] = {
         [IFLA_VLAN_ID]          = { .type = NETLINK_TYPE_U16 },
 /*
         [IFLA_VLAN_FLAGS]       = { .len = sizeof(struct ifla_vlan_flags) },
@@ -124,7 +124,7 @@ static const NLType rtnl_link_info_data_vlan_types[IFLA_VLAN_MAX + 1] = {
         [IFLA_VLAN_PROTOCOL]    = { .type = NETLINK_TYPE_U16 },
 };
 
-static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
+static const NLType rtnl_link_info_data_vxlan_types[] = {
         [IFLA_VXLAN_ID]                = { .type = NETLINK_TYPE_U32 },
         [IFLA_VXLAN_GROUP]             = { .type = NETLINK_TYPE_IN_ADDR },
         [IFLA_VXLAN_LINK]              = { .type = NETLINK_TYPE_U32 },
@@ -151,7 +151,7 @@ static const NLType rtnl_link_info_data_vxlan_types[IFLA_VXLAN_MAX+1] = {
         [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NETLINK_TYPE_FLAG },
 };
 
-static const NLType rtnl_bond_arp_target_types[BOND_ARP_TARGETS_MAX + 1] = {
+static const NLType rtnl_bond_arp_target_types[] = {
         [BOND_ARP_TARGETS_0]        = { .type = NETLINK_TYPE_U32 },
         [BOND_ARP_TARGETS_1]        = { .type = NETLINK_TYPE_U32 },
         [BOND_ARP_TARGETS_2]        = { .type = NETLINK_TYPE_U32 },
@@ -175,7 +175,7 @@ static const NLTypeSystem rtnl_bond_arp_type_system = {
         .types = rtnl_bond_arp_target_types,
 };
 
-static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
+static const NLType rtnl_link_info_data_bond_types[] = {
         [IFLA_BOND_MODE]                = { .type = NETLINK_TYPE_U8 },
         [IFLA_BOND_ACTIVE_SLAVE]        = { .type = NETLINK_TYPE_U32 },
         [IFLA_BOND_MIIMON]              = { .type = NETLINK_TYPE_U32 },
@@ -201,7 +201,7 @@ static const NLType rtnl_link_info_data_bond_types[IFLA_BOND_MAX + 1] = {
         [IFLA_BOND_AD_INFO]             = { .type = NETLINK_TYPE_NESTED },
 };
 
-static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
+static const NLType rtnl_link_info_data_iptun_types[] = {
         [IFLA_IPTUN_LINK]                = { .type = NETLINK_TYPE_U32 },
         [IFLA_IPTUN_LOCAL]               = { .type = NETLINK_TYPE_IN_ADDR },
         [IFLA_IPTUN_REMOTE]              = { .type = NETLINK_TYPE_IN_ADDR },
@@ -220,7 +220,7 @@ static const NLType rtnl_link_info_data_iptun_types[IFLA_IPTUN_MAX + 1] = {
         [IFLA_IPTUN_ENCAP_DPORT]         = { .type = NETLINK_TYPE_U16 },
 };
 
-static  const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
+static  const NLType rtnl_link_info_data_ipgre_types[] = {
         [IFLA_GRE_LINK]         = { .type = NETLINK_TYPE_U32 },
         [IFLA_GRE_IFLAGS]       = { .type = NETLINK_TYPE_U16 },
         [IFLA_GRE_OFLAGS]       = { .type = NETLINK_TYPE_U16 },
@@ -239,7 +239,7 @@ static  const NLType rtnl_link_info_data_ipgre_types[IFLA_GRE_MAX + 1] = {
         [IFLA_GRE_ENCAP_DPORT]  = { .type = NETLINK_TYPE_U16 },
 };
 
-static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
+static const NLType rtnl_link_info_data_ipvti_types[] = {
         [IFLA_VTI_LINK]         = { .type = NETLINK_TYPE_U32 },
         [IFLA_VTI_IKEY]         = { .type = NETLINK_TYPE_U32 },
         [IFLA_VTI_OKEY]         = { .type = NETLINK_TYPE_U32 },
@@ -247,7 +247,7 @@ static const NLType rtnl_link_info_data_ipvti_types[IFLA_VTI_MAX + 1] = {
         [IFLA_VTI_REMOTE]       = { .type = NETLINK_TYPE_IN_ADDR },
 };
 
-static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
+static const NLType rtnl_link_info_data_ip6tnl_types[] = {
         [IFLA_IPTUN_LINK]                = { .type = NETLINK_TYPE_U32 },
         [IFLA_IPTUN_LOCAL]               = { .type = NETLINK_TYPE_IN_ADDR },
         [IFLA_IPTUN_REMOTE]              = { .type = NETLINK_TYPE_IN_ADDR },
@@ -259,7 +259,7 @@ static const NLType rtnl_link_info_data_ip6tnl_types[IFLA_IPTUN_MAX + 1] = {
 };
 
 /* these strings must match the .kind entries in the kernel */
-static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_MAX] = {
+static const char* const nl_union_link_info_data_table[] = {
         [NL_UNION_LINK_INFO_DATA_BOND] = "bond",
         [NL_UNION_LINK_INFO_DATA_BRIDGE] = "bridge",
         [NL_UNION_LINK_INFO_DATA_VLAN] = "vlan",
@@ -282,7 +282,7 @@ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_
 
 DEFINE_STRING_TABLE_LOOKUP(nl_union_link_info_data, NLUnionLinkInfoData);
 
-static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_DATA_MAX] = {
+static const NLTypeSystem rtnl_link_info_data_type_systems[] = {
         [NL_UNION_LINK_INFO_DATA_BOND] =        { .count = ELEMENTSOF(rtnl_link_info_data_bond_types),
                                                   .types = rtnl_link_info_data_bond_types },
         [NL_UNION_LINK_INFO_DATA_BRIDGE] =      { .count = ELEMENTSOF(rtnl_link_info_data_bridge_types),
@@ -328,7 +328,7 @@ static const NLTypeSystemUnion rtnl_link_info_data_type_system_union = {
         .match = IFLA_INFO_KIND,
 };
 
-static const NLType rtnl_link_info_types[IFLA_INFO_MAX + 1] = {
+static const NLType rtnl_link_info_types[] = {
         [IFLA_INFO_KIND]        = { .type = NETLINK_TYPE_STRING },
         [IFLA_INFO_DATA]        = { .type = NETLINK_TYPE_UNION, .type_system_union = &rtnl_link_info_data_type_system_union},
 /*
@@ -343,7 +343,7 @@ static const NLTypeSystem rtnl_link_info_type_system = {
         .types = rtnl_link_info_types,
 };
 
-static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1] = {
+static const struct NLType rtnl_prot_info_bridge_port_types[] = {
         [IFLA_BRPORT_STATE]             = { .type = NETLINK_TYPE_U8 },
         [IFLA_BRPORT_COST]              = { .type = NETLINK_TYPE_U32 },
         [IFLA_BRPORT_PRIORITY]          = { .type = NETLINK_TYPE_U16 },
@@ -357,7 +357,7 @@ static const struct NLType rtnl_prot_info_bridge_port_types[IFLA_BRPORT_MAX + 1]
         [IFLA_BRPORT_LEARNING_SYNC]     = { .type = NETLINK_TYPE_U8 },
 };
 
-static const NLTypeSystem rtnl_prot_info_type_systems[AF_MAX] = {
+static const NLTypeSystem rtnl_prot_info_type_systems[] = {
         [AF_BRIDGE] =   { .count = ELEMENTSOF(rtnl_prot_info_bridge_port_types),
                           .types = rtnl_prot_info_bridge_port_types },
 };
@@ -368,7 +368,7 @@ static const NLTypeSystemUnion rtnl_prot_info_type_system_union = {
         .match_type = NL_MATCH_PROTOCOL,
 };
 
-static const struct NLType rtnl_af_spec_inet6_types[IFLA_INET6_MAX + 1] = {
+static const struct NLType rtnl_af_spec_inet6_types[] = {
         [IFLA_INET6_FLAGS]              = { .type = NETLINK_TYPE_U32 },
 /*
         IFLA_INET6_CONF,
@@ -386,7 +386,7 @@ static const NLTypeSystem rtnl_af_spec_inet6_type_system = {
         .types = rtnl_af_spec_inet6_types,
 };
 
-static const NLType rtnl_af_spec_types[AF_MAX + 1] = {
+static const NLType rtnl_af_spec_types[] = {
         [AF_INET6] =    { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_af_spec_inet6_type_system },
 };
 
@@ -395,7 +395,7 @@ static const NLTypeSystem rtnl_af_spec_type_system = {
         .types = rtnl_af_spec_types,
 };
 
-static const NLType rtnl_link_types[IFLA_MAX + 1 ] = {
+static const NLType rtnl_link_types[] = {
         [IFLA_ADDRESS]          = { .type = NETLINK_TYPE_ETHER_ADDR },
         [IFLA_BROADCAST]        = { .type = NETLINK_TYPE_ETHER_ADDR },
         [IFLA_IFNAME]           = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
@@ -454,7 +454,7 @@ static const NLTypeSystem rtnl_link_type_system = {
 
 /* IFA_FLAGS was defined in kernel 3.14, but we still support older
  * kernels where IFA_MAX is lower. */
-static const NLType rtnl_address_types[CONST_MAX(IFA_MAX, IFA_FLAGS) + 1] = {
+static const NLType rtnl_address_types[] = {
         [IFA_ADDRESS]           = { .type = NETLINK_TYPE_IN_ADDR },
         [IFA_LOCAL]             = { .type = NETLINK_TYPE_IN_ADDR },
         [IFA_LABEL]             = { .type = NETLINK_TYPE_STRING, .size = IFNAMSIZ - 1 },
@@ -472,7 +472,7 @@ static const NLTypeSystem rtnl_address_type_system = {
         .types = rtnl_address_types,
 };
 
-static const NLType rtnl_route_types[RTA_MAX + 1] = {
+static const NLType rtnl_route_types[] = {
         [RTA_DST]               = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
         [RTA_SRC]               = { .type = NETLINK_TYPE_IN_ADDR }, /* 6? */
         [RTA_IIF]               = { .type = NETLINK_TYPE_U32 },
@@ -498,7 +498,7 @@ static const NLTypeSystem rtnl_route_type_system = {
         .types = rtnl_route_types,
 };
 
-static const NLType rtnl_neigh_types[NDA_MAX + 1] = {
+static const NLType rtnl_neigh_types[] = {
         [NDA_DST]               = { .type = NETLINK_TYPE_IN_ADDR },
         [NDA_LLADDR]            = { .type = NETLINK_TYPE_ETHER_ADDR },
         [NDA_CACHEINFO]         = { .type = NETLINK_TYPE_CACHE_INFO, .size = sizeof(struct nda_cacheinfo) },
@@ -514,7 +514,7 @@ static const NLTypeSystem rtnl_neigh_type_system = {
         .types = rtnl_neigh_types,
 };
 
-static const NLType rtnl_types[RTM_MAX + 1] = {
+static const NLType rtnl_types[] = {
         [NLMSG_DONE]   = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = 0 },
         [NLMSG_ERROR]  = { .type = NETLINK_TYPE_NESTED, .type_system = &empty_type_system, .size = sizeof(struct nlmsgerr) },
         [RTM_NEWLINK]  = { .type = NETLINK_TYPE_NESTED, .type_system = &rtnl_link_type_system, .size = sizeof(struct ifinfomsg) },