# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


if [ $NXT_INET6 = YES ]; then

    nxt_feature="AF_INET6"
    nxt_feature_name=NXT_INET6
    nxt_feature_run=
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <stdio.h>
                      #include <sys/socket.h>
                      #include <sys/types.h>
                      #include <netinet/in.h>

                      int main() {
                          struct sockaddr_in6  sin6;

                          sin6.sin6_family = AF_INET6;
                          printf(\"%d\", sin6.sin6_family);
                          return 0;
                      }"
    . auto/feature
fi


# FreeBSD, MacOSX, NetBSD, OpenBSD.

nxt_feature="sockaddr.sa_len"
nxt_feature_name=NXT_SOCKADDR_SA_LEN
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/socket.h>

                  int main() {
                      struct sockaddr  sa;

                      sa.sa_len = 0;
                      printf(\"%d\", sa.sa_len);
                      return 0;
                  }"
. auto/feature


nxt_feature="struct sockaddr size"
nxt_feature_name=NXT_HAVE_SOCKADDR
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/socket.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(struct sockaddr));
                      return 0;
                  }"
. auto/feature


nxt_feature="struct sockaddr_in size"
nxt_feature_name=NXT_HAVE_SOCKADDR_IN
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/types.h>
                  #include <netinet/in.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(struct sockaddr_in));
                      return 0;
                  }"
. auto/feature


nxt_feature="struct sockaddr_in6 size"
nxt_feature_name=NXT_HAVE_SOCKADDR_IN6
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/types.h>
                  #include <netinet/in.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(struct sockaddr_in6));
                      return 0;
                  }"
. auto/feature


nxt_feature="struct sockaddr_un size"
nxt_feature_name=NXT_HAVE_SOCKADDR_UN
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/types.h>
                  #include <sys/un.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(struct sockaddr_un));
                      return 0;
                  }"
. auto/feature


nxt_feature="struct sockaddr_storage size"
nxt_feature_name=NXT_HAVE_SOCKADDR_STORAGE
nxt_feature_run=value
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/socket.h>

                  int main() {
                      printf(\"%d\", (int) sizeof(struct sockaddr_storage));
                      return 0;
                  }"
. auto/feature


nxt_feature="socketpair(AF_UNIX, SOCK_SEQPACKET)"
nxt_feature_name=NXT_HAVE_AF_UNIX_SOCK_SEQPACKET
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/socket.h>

                  int main() {
                      int  pair[2];

                      if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) != 0)
                          return 1;
                      return 0;
                  }"
. auto/feature


nxt_feature="struct msghdr.msg_control"
nxt_feature_name=NXT_HAVE_MSGHDR_MSG_CONTROL
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <stdio.h>
                  #include <sys/socket.h>

                  int main() {
                      struct  msghdr  msg;

                      printf(\"%d\", (int) sizeof(msg.msg_control));
                      return 0;
                  }"
. auto/feature

if [ $nxt_found = no ]; then
    $echo
    $echo $0: error: no msghdr.msg_control struct member.
    $echo
    exit 1;
fi


nxt_feature="sockopt SO_PASSCRED"
nxt_feature_name=NXT_HAVE_SOCKOPT_SO_PASSCRED
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
                  #include <sys/socket.h>

                  int main() {
                      return SO_PASSCRED == 0;
                  }"
. auto/feature


if [ $nxt_found = yes ]; then
    nxt_feature="struct ucred"
    nxt_feature_name=NXT_HAVE_UCRED
    nxt_feature_run=
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#define _GNU_SOURCE
                      #include <sys/socket.h>
                      #include <sys/un.h>

                      int main() {
                          return sizeof(struct ucred);
                      }"
    . auto/feature
fi


nxt_feature="struct cmsgcred"
nxt_feature_name=NXT_HAVE_MSGHDR_CMSGCRED
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
                  #include <sys/socket.h>

                  int main() {
                      return sizeof(struct cmsgcred);
                  }"
. auto/feature


nxt_feature="sys/filio.h"
nxt_feature_name=NXT_HAVE_SYS_FILIO_H
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/filio.h>

                  int main() {
                      return 0;
                  }"
. auto/feature

if [ $nxt_found = yes ]; then
    NXT_SYS_FILIO_H="#include <sys/filio.h>"
else
    NXT_SYS_FILIO_H=
fi


nxt_feature="ioctl(FIONBIO)"
nxt_feature_name=NXT_HAVE_FIONBIO
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <unistd.h>
                  #include <sys/socket.h>
                  $NXT_SYS_FILIO_H
                  #include <sys/ioctl.h>

                  int main() {
                      int  nb;

                      nb = 0;
                      ioctl(-1, FIONBIO, &nb);
                      return 0;
                  }"
. auto/feature


# socket(SOCK_NONBLOCK), Linux 2.6.27/glibc 2.10, NetBSD 6.0, FreeBSD 9.2.

nxt_feature="socket(SOCK_NONBLOCK)"
nxt_feature_name=NXT_HAVE_SOCK_NONBLOCK
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
                  #include <sys/socket.h>

                  int main() {
                      socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
                      return 0;
                  }"
. auto/feature


# accept4(), Linux 2.6.28/glibc 2.10, NetBSD 6.0, FreeBSD 9.2.

nxt_feature="accept4()"
nxt_feature_name=NXT_HAVE_ACCEPT4
nxt_feature_run=
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
                  #include <stdlib.h>
                  #include <sys/socket.h>

                  int main() {
                      accept4(0, NULL, NULL, SOCK_NONBLOCK);
                      return 0;
                  }"
. auto/feature