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https://bugs.gentoo.org/895182
https://github.com/schweikert/fping/commit/c0fbccb977c523ba671afdf0f37de40d26351f77
From c0fbccb977c523ba671afdf0f37de40d26351f77 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 29 Aug 2022 15:41:51 -0700
Subject: [PATCH] fping: Initialize msghdr struct in a portable way
Initializing the structure assuming glibc layout results in
compile errors on musl, therefore do partial intialization and then
assigning the members individually.
Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/src/fping.c
+++ b/src/fping.c
@@ -1962,15 +1962,13 @@ int receive_packet(int64_t wait_time,
reply_buf,
reply_buf_len
};
- struct msghdr recv_msghdr = {
- reply_src_addr,
- reply_src_addr_len,
- &msg_iov,
- 1,
- &msg_control,
- sizeof(msg_control),
- 0
- };
+ struct msghdr recv_msghdr = {0};
+ recv_msghdr.msg_name = reply_src_addr;
+ recv_msghdr.msg_namelen = reply_src_addr_len;
+ recv_msghdr.msg_iov = &msg_iov;
+ recv_msghdr.msg_iovlen = 1;
+ recv_msghdr.msg_control = &msg_control;
+ recv_msghdr.msg_controllen = sizeof(msg_control);
#if HAVE_SO_TIMESTAMPNS
struct cmsghdr *cmsg;
#endif
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