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Diffstat (limited to 'mcon/U/d_sendmsg.U')
-rw-r--r-- | mcon/U/d_sendmsg.U | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/mcon/U/d_sendmsg.U b/mcon/U/d_sendmsg.U new file mode 100644 index 0000000..8c29f46 --- /dev/null +++ b/mcon/U/d_sendmsg.U @@ -0,0 +1,70 @@ +?RCS: $Id: d_sendmsg.U 170 2013-08-30 16:47:47Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2006, Christian Biere +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_sendmsg: Trylink cat i_systypes i_sysselct i_syssock \ + i_winsock2 i_mswsock d_windows +?MAKE: -pick add $@ %< +?S:d_sendmsg: +?S: This variable conditionally defines the HAS_SENDMSG symbol, +?S: which indicates to the C program that the sendmsg() function is +?S: available. +?S:. +?C:HAS_SENDMSG: +?C: This symbol, if defined, indicates that the sendmsg() function +?C: is available. +?C:. +?H:#$d_sendmsg HAS_SENDMSG /**/ +?H:. +?LINT:set d_sendmsg +: check for sendmsg function +$cat >try.c <<EOC +#$i_systypes I_SYS_TYPES +#$i_sysselct I_SYS_SELECT +#$i_syssock I_SYS_SOCKET +#$i_winsock2 I_WINSOCK2 +#$i_mswsock I_MSWSOCK +#$d_windows WINDOWS_SYSTEM +#ifdef WINDOWS_SYSTEM +#define WINVER 0x0501 +#endif +#ifdef I_SYS_TYPES +#include <sys/types.h> +#endif +#ifdef I_SYS_SOCKET +#include <sys/socket.h> +#endif +#ifdef I_WINSOCK2 +#include <Winsock2.h> +#endif +#ifdef I_MSWSOCK +#include <Mswsock.h> +#endif +int main(void) +{ + static struct msghdr msg; + int ret, fd, flags; + + fd = 1; + flags = 1; + msg.msg_name = (void *) 0; + msg.msg_namelen |= 1; + msg.msg_iov = (void *) 0; + msg.msg_iovlen |= 1; + /* msg.msg_flags is intentionally excluded, see other unit */ + msg.msg_control = (void *) 0; + msg.msg_controllen |= 1; + ret = sendmsg(fd, &msg, flags); + return ret ? 0 : 1; +} +EOC +cyn='sendmsg' +set d_sendmsg +eval $trylink + |