From 2a1288ff89322a2f49c79f6d1832c8164c14a05c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 10 Jun 2015 19:10:47 +0200 Subject: util: introduce CMSG_FOREACH() macro and make use of it everywhere It's only marginally shorter then the usual for() loop, but certainly more readable. --- src/libsystemd-network/sd-dhcp-client.c | 2 +- src/libsystemd-network/sd-dhcp-server.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'src/libsystemd-network') diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c index 0193e42d65..6853038b67 100644 --- a/src/libsystemd-network/sd-dhcp-client.c +++ b/src/libsystemd-network/sd-dhcp-client.c @@ -1588,7 +1588,7 @@ static int client_receive_message_raw(sd_event_source *s, int fd, } else if ((size_t)len < sizeof(DHCPPacket)) return 0; - for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { + CMSG_FOREACH(cmsg, &msg) { if (cmsg->cmsg_level == SOL_PACKET && cmsg->cmsg_type == PACKET_AUXDATA && cmsg->cmsg_len == CMSG_LEN(sizeof(struct tpacket_auxdata))) { diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index a0a2320efa..cc5e032344 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -902,7 +902,7 @@ static int server_receive_message(sd_event_source *s, int fd, else if ((size_t)len < sizeof(DHCPMessage)) return 0; - for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { + CMSG_FOREACH(cmsg, &msg) { if (cmsg->cmsg_level == IPPROTO_IP && cmsg->cmsg_type == IP_PKTINFO && cmsg->cmsg_len == CMSG_LEN(sizeof(struct in_pktinfo))) { -- cgit v1.2.3-54-g00ecf