From: Vladimir V. Melnikov <wlad.w.m@gmail.com>
Date: Mon, 23 Mar 2009 08:22:01 +0000 (+0100)
Subject: src/liboping.c: Added compatibility with old Solaris versions.
X-Git-Tag: liboping-1.1.1~6
X-Git-Url: https://git.octo.it/?p=liboping.git;a=commitdiff_plain;h=0e9d92782a382cd92bcc4c851ba2a540cf5c12e4

src/liboping.c: Added compatibility with old Solaris versions.

Apparently the X/Open conforming `recvmsg' function is in the `xnet'
library. Check for this library and use it if it exists.

Also set the ominous MSG_XPG4_2 flag. Didn't find out what it does, but
apparently it's a Solaris internal flag..
---

diff --git a/configure.ac b/configure.ac
index 5b72c13..c615379 100644
--- a/configure.ac
+++ b/configure.ac
@@ -169,6 +169,14 @@ AC_CHECK_FUNCS(socket, [],
 		AC_MSG_ERROR(cannot find socket)))
 AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")
 
+with_libxnet="no"
+AC_CHECK_LIB(xnet, __xnet_recvmsg, [with_libxnet="yes"],[])
+if test "x$with_libxnet" = "xyes"
+then
+	CFLAGS="$CFLAGS -D_XPG4_2 -D__EXTENSIONS__"
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBXNET, test "x$with_libxnet" = "xyes")
+
 nanosleep_needs_rt="no"
 AC_CHECK_FUNCS(nanosleep, [],
 	AC_CHECK_LIB(rt, nanosleep,
diff --git a/src/liboping.c b/src/liboping.c
index 4f7d955..47c8279 100644
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -454,6 +454,9 @@ static int ping_receive_one (int fd, pinghost_t *ph, struct timeval *now)
 	msghdr.msg_controllen = sizeof (control_buffer);
 	/* flags; this is an output only field.. */
 	msghdr.msg_flags = 0;
+#ifdef MSG_XPG4_2
+	msghdr.msg_flags |= MSG_XPG4_2;
+#endif
 
 	payload_buffer_len = recvmsg (fd, &msghdr, /* flags = */ 0);
 	if (payload_buffer_len < 0)