From 4776e3366f7e57c83fb1c275f601291b84e5d63e Mon Sep 17 00:00:00 2001 From: "Dmitry V. Levin" Date: Tue, 12 Jan 2016 00:00:47 +0000 Subject: [PATCH] tests/inet-cmsg.c: fix musl libc compilation warnings The types that are used to define msg_namelen member of struct msghdr and cmsg_len member of struct cmsghdr differ between libcs. For example, glibc defines them as size_t, while musl libc - as type socklen_t. Print these fields using %lu format to avoid issues caused by libc differences. * tests/inet-cmsg.c (main): Cast mh.msg_controllen and c->cmsg_len to unsigned long and print them using %lu format. --- tests/inet-cmsg.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/inet-cmsg.c b/tests/inet-cmsg.c index 799f4051..2e8c63d7 100644 --- a/tests/inet-cmsg.c +++ b/tests/inet-cmsg.c @@ -146,9 +146,9 @@ main(void) printf("recvmsg(0, {msg_name(%u)={sa_family=AF_INET, sin_port=htons(%u)" ", sin_addr=inet_addr(\"127.0.0.1\")}, msg_iov(1)=[{\"%s\", %zu}]" - ", msg_controllen=%zu, [", + ", msg_controllen=%lu, [", (unsigned) mh.msg_namelen, ntohs(addr.sin_port), - data, size, mh.msg_controllen); + data, size, (unsigned long) mh.msg_controllen); struct cmsghdr *c; for (c = CMSG_FIRSTHDR(&mh); c; c = CMSG_NXTHDR(&mh, c)) { @@ -156,8 +156,8 @@ main(void) continue; if (c != control) printf(", "); - printf("{cmsg_len=%zu, cmsg_level=SOL_IP, cmsg_type=", - c->cmsg_len); + printf("{cmsg_len=%lu, cmsg_level=SOL_IP, cmsg_type=", + (unsigned long) c->cmsg_len); switch (c->cmsg_type) { case IP_PKTINFO: print_pktinfo(c); -- 2.40.0