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


NXT_HAVE_LINUX_SENDFILE=NO
NXT_HAVE_FREEBSD_SENDFILE=NO
NXT_HAVE_MACOSX_SENDFILE=NO
NXT_HAVE_SOLARIS_SENDFILEV=NO
NXT_HAVE_AIX_SEND_FILE=NO
NXT_HAVE_HPUX_SENDFILE=NO


# Linux sendfile().

nxt_feature="Linux sendfile()"
nxt_feature_name=NXT_HAVE_LINUX_SENDFILE
nxt_feature_test="#include <sys/sendfile.h>

                  int main(void) {
                      off_t  offset;

                      sendfile(-1, -1, &offset, 0);
                      return 0;
                  }"
. auto/feature

if [ $nxt_found = yes ]; then
    NXT_HAVE_LINUX_SENDFILE=YES
fi


if [ $nxt_found = no ]; then
    # FreeBSD sendfile().

    nxt_feature="FreeBSD sendfile()"
    nxt_feature_name=NXT_HAVE_FREEBSD_SENDFILE
    nxt_feature_run=
    nxt_feature_incs=
    nxt_feature_libs=
    nxt_feature_test="#include <sys/types.h>
                      #include <sys/socket.h>
                      #include <sys/uio.h>
                      #include <stdlib.h>

                      int main(void) {
                          off_t  sent;

                          sendfile(-1, -1, 0, 0, NULL, &sent, 0);
                          return 0;
                      }"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_HAVE_FREEBSD_SENDFILE=YES
    fi
fi


if [ $nxt_found = no ]; then

    # MacOSX sendfile().

    nxt_feature="MacOSX sendfile()"
    nxt_feature_name=NXT_HAVE_MACOSX_SENDFILE
    nxt_feature_libs=
    nxt_feature_test="#include <sys/types.h>
                      #include <sys/socket.h>
                      #include <sys/uio.h>
                      #include <stdlib.h>

                      int main(void) {
                          off_t  sent;

                          sendfile(-1, -1, 0, &sent, NULL, 0);
                          return 0;
                      }"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_HAVE_MACOSX_SENDFILE=YES
    fi
fi


if [ $nxt_found = no ]; then
    # No supported sendfile() found.  Using our replacement.
    nxt_found=yes
fi


NXT_LIBSENDFILE=

if [ $nxt_found = no ]; then

    # Solaris 8 sendfilev().

    nxt_feature="Solaris sendfilev()"
    nxt_feature_name=NXT_HAVE_SOLARIS_SENDFILEV
    nxt_feature_libs="-lsendfile"
    nxt_feature_test="#include <sys/sendfile.h>

                      int main(void) {
                          size_t              sent;
                          struct sendfilevec  vec;

                          sendfilev(-1, &vec, 0, &sent);
                          return 0;
                      }"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_HAVE_SOLARIS_SENDFILEV=YES
        NXT_LIBSENDFILE=$nxt_feature_libs
    fi
fi


if [ $nxt_found = no ]; then

    # AIX send_file().

    nxt_feature="AIX send_file()"
    nxt_feature_name=NXT_HAVE_AIX_SEND_FILE
    nxt_feature_test="#include <sys/socket.h>

                      int main(void) {
                          int              s;
                          struct sf_parms  sf_iobuf;

                          send_file(&s, &sf_iobuf, 0);
                          return 0;
                      }"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_HAVE_AIX_SEND_FILE=YES
    fi
fi


if [ $nxt_found = no ]; then

    # HP-UX sendfile().

    nxt_feature="HP-UX sendfile()"
    nxt_feature_name=NXT_HAVE_HPUX_SENDFILE
    nxt_feature_libs=
    nxt_feature_test="#include <sys/socket.h>
                      #include <stdlib.h>

                      sbsize_t sendfile(int s, int fd, off_t offset,
                          bsize_t nbytes, const struct iovec *hdtrl, int flags);

                      int main(void) {
                          sendfile(-1, -1, 0, 0, NULL, 0);
                          return 0;
                      }"
    . auto/feature

    if [ $nxt_found = yes ]; then
        NXT_HAVE_HPUX_SENDFILE=YES
    fi
fi