util-lib: split out fd-related operations into fd-util.[ch]

There are more than enough to deserve their own .c file, hence move them
over.

15 files changed, 40 insertions, 28 deletions

diff --git a/src/libsystemd-network/arp-util.c b/src/libsystemd-network/arp-util.c
index 2f5b9b3731..4660c7ea09 100644
--- a/src/libsystemd-network/arp-util.c
+++ b/src/libsystemd-network/arp-util.c
@@ -21,8 +21,9 @@
 #include <linux/filter.h>
 #include <arpa/inet.h>
 
-#include "util.h"
 #include "arp-util.h"
+#include "fd-util.h"
+#include "util.h"
 
 int arp_network_bind_raw_socket(int ifindex, be32_t address, const struct ether_addr *eth_mac) {
         struct sock_filter filter[] = {
diff --git a/src/libsystemd-network/dhcp-network.c b/src/libsystemd-network/dhcp-network.c
index 7f10838de1..fac25e0fa2 100644
--- a/src/libsystemd-network/dhcp-network.c
+++ b/src/libsystemd-network/dhcp-network.c
@@ -18,18 +18,18 @@
 ***/
 
 #include <errno.h>
-#include <sys/socket.h>
-#include <string.h>
-#include <linux/if_packet.h>
-#include <linux/if_infiniband.h>
 #include <net/ethernet.h>
 #include <net/if_arp.h>
 #include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
 #include <linux/filter.h>
-
-#include "socket-util.h"
+#include <linux/if_infiniband.h>
+#include <linux/if_packet.h>
 
 #include "dhcp-internal.h"
+#include "fd-util.h"
+#include "socket-util.h"
 
 static int _bind_raw_socket(int ifindex, union sockaddr_union *link,
                             uint32_t xid, const uint8_t *mac_addr,
diff --git a/src/libsystemd-network/dhcp6-network.c b/src/libsystemd-network/dhcp6-network.c
index ccb8363e77..318ee9c4b4 100644
--- a/src/libsystemd-network/dhcp6-network.c
+++ b/src/libsystemd-network/dhcp6-network.c
@@ -18,19 +18,19 @@
 ***/
 
 #include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <string.h>
-#include <linux/if_packet.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>
 #include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <netinet/ip6.h>
-#include <netinet/in.h>
-
-#include "socket-util.h"
+#include <linux/if_packet.h>
 
 #include "dhcp6-internal.h"
 #include "dhcp6-protocol.h"
+#include "fd-util.h"
+#include "socket-util.h"
 
 int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
         struct in6_pktinfo pktinfo = {
diff --git a/src/libsystemd-network/icmp6-util.c b/src/libsystemd-network/icmp6-util.c
index 140429b1e9..91308bf6c3 100644
--- a/src/libsystemd-network/icmp6-util.c
+++ b/src/libsystemd-network/icmp6-util.c
@@ -18,19 +18,19 @@
 ***/
 
 #include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <string.h>
-#include <linux/if_packet.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <netinet/ip6.h>
 #include <netinet/icmp6.h>
 #include <netinet/in.h>
+#include <netinet/ip6.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <linux/if_packet.h>
 
-#include "socket-util.h"
-
+#include "fd-util.h"
 #include "icmp6-util.h"
+#include "socket-util.h"
 
 #define IN6ADDR_ALL_ROUTERS_MULTICAST_INIT \
         { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
diff --git a/src/libsystemd-network/lldp-network.c b/src/libsystemd-network/lldp-network.c
index 12a6599ff1..f483cd9c8e 100644
--- a/src/libsystemd-network/lldp-network.c
+++ b/src/libsystemd-network/lldp-network.c
@@ -23,10 +23,11 @@
 #include <linux/filter.h>
 #include <linux/if_ether.h>
 
-#include "socket-util.h"
-#include "lldp-tlv.h"
-#include "lldp-network.h"
+#include "fd-util.h"
 #include "lldp-internal.h"
+#include "lldp-network.h"
+#include "lldp-tlv.h"
+#include "socket-util.h"
 
 int lldp_network_bind_raw_socket(int ifindex) {
         typedef struct LLDPFrame {
diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c
index bc01b5b535..d982936a28 100644
--- a/src/libsystemd-network/sd-dhcp-lease.c
+++ b/src/libsystemd-network/sd-dhcp-lease.c
@@ -29,6 +29,7 @@
 #include "dhcp-lease-internal.h"
 #include "dhcp-protocol.h"
 #include "dns-domain.h"
+#include "fd-util.h"
 #include "fileio.h"
 #include "hostname-util.h"
 #include "in-addr-util.h"
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index 52f7579c5e..a2a8c16fc8 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -26,6 +26,7 @@
 
 #include "dhcp-internal.h"
 #include "dhcp-server-internal.h"
+#include "fd-util.h"
 #include "in-addr-util.h"
 #include "siphash24.h"
 #include "string-util.h"
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index d4d4b771d9..ade1b470d4 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -30,6 +30,7 @@
 #include "dhcp6-internal.h"
 #include "dhcp6-lease-internal.h"
 #include "dhcp6-protocol.h"
+#include "fd-util.h"
 #include "network-internal.h"
 #include "random-util.h"
 #include "util.h"
diff --git a/src/libsystemd-network/sd-ipv4acd.c b/src/libsystemd-network/sd-ipv4acd.c
index d2ad5f75a4..3053724ea2 100644
--- a/src/libsystemd-network/sd-ipv4acd.c
+++ b/src/libsystemd-network/sd-ipv4acd.c
@@ -28,6 +28,7 @@
 
 #include "arp-util.h"
 #include "event-util.h"
+#include "fd-util.h"
 #include "in-addr-util.h"
 #include "list.h"
 #include "random-util.h"
diff --git a/src/libsystemd-network/sd-lldp.c b/src/libsystemd-network/sd-lldp.c
index b73673c55c..b2b85e56e8 100644
--- a/src/libsystemd-network/sd-lldp.c
+++ b/src/libsystemd-network/sd-lldp.c
@@ -24,6 +24,7 @@
 
 #include "sd-lldp.h"
 
+#include "fd-util.h"
 #include "hashmap.h"
 #include "lldp-internal.h"
 #include "lldp-port.h"
diff --git a/src/libsystemd-network/sd-pppoe.c b/src/libsystemd-network/sd-pppoe.c
index 7456b3218a..03a88973bf 100644
--- a/src/libsystemd-network/sd-pppoe.c
+++ b/src/libsystemd-network/sd-pppoe.c
@@ -25,13 +25,14 @@
 #include <netinet/in.h>
 #include <sys/ioctl.h>
 #include <linux/if_pppox.h>
-#include <linux/ppp-ioctl.h>
 #include <linux/ppp_defs.h>
+#include <linux/ppp-ioctl.h>
 
 #include "sd-pppoe.h"
 
 #include "async.h"
 #include "event-util.h"
+#include "fd-util.h"
 #include "random-util.h"
 #include "socket-util.h"
 #include "sparse-endian.h"
diff --git a/src/libsystemd-network/test-dhcp-client.c b/src/libsystemd-network/test-dhcp-client.c
index 41c817e3d3..40a85eb25e 100644
--- a/src/libsystemd-network/test-dhcp-client.c
+++ b/src/libsystemd-network/test-dhcp-client.c
@@ -32,6 +32,7 @@
 #include "dhcp-protocol.h"
 #include "event-util.h"
 #include "util.h"
+#include "fd-util.h"
 
 static uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'};
 
diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c
index 4872567894..17ed6d58f3 100644
--- a/src/libsystemd-network/test-dhcp6-client.c
+++ b/src/libsystemd-network/test-dhcp6-client.c
@@ -33,6 +33,7 @@
 #include "dhcp6-lease-internal.h"
 #include "dhcp6-protocol.h"
 #include "event-util.h"
+#include "fd-util.h"
 #include "macro.h"
 #include "socket-util.h"
 #include "virt.h"
diff --git a/src/libsystemd-network/test-ipv4ll.c b/src/libsystemd-network/test-ipv4ll.c
index 3958a98a36..6f416c51e4 100644
--- a/src/libsystemd-network/test-ipv4ll.c
+++ b/src/libsystemd-network/test-ipv4ll.c
@@ -30,6 +30,7 @@
 
 #include "arp-util.h"
 #include "event-util.h"
+#include "fd-util.h"
 #include "socket-util.h"
 #include "util.h"
 
diff --git a/src/libsystemd-network/test-lldp.c b/src/libsystemd-network/test-lldp.c
index 4e84caa4b0..109462662f 100644
--- a/src/libsystemd-network/test-lldp.c
+++ b/src/libsystemd-network/test-lldp.c
@@ -29,6 +29,7 @@
 #include "sd-lldp.h"
 
 #include "event-util.h"
+#include "fd-util.h"
 #include "lldp-network.h"
 #include "lldp-tlv.h"
 #include "lldp.h"