# ping(8) completion                                       -*- shell-script -*-

proc _ping
{
    var cur = '', prev = '', words = '', cword = ''
    _init_completion -n = || return

    match $prev {
        with -c|-F|-G|-g|-h|-i|-l|-m|-P|-p|-s|-t|-V|-W|-w|-z
            return
            
        with -I
            _available_interfaces -a
            return
            
        with -M
            # Path MTU strategy in Linux, mask|time in FreeBSD
            var opts = '"do want dont'"
            [[ $OSTYPE == *bsd* ]] && set opts = '"mask time'"
            setglobal COMPREPLY = '( '$( compgen -W '$opts' -- "$cur" ) )
            return
            
        with -N
            if [[ $cur != *= ]] {
                setglobal COMPREPLY = '( '$( compgen -W 'name ipv6 ipv6-global ipv6-sitelocal
                    ipv6-linklocal ipv6-all ipv4 ipv4-all subject-ipv6=
                    subject-ipv4= subject-name= subject-fqdn=' -- "$cur" ) )
                [[ $COMPREPLY == *= ]] && compopt -o nospace
            }
            return
            
        with -Q
            # TOS in Linux, "somewhat quiet" (no args) in FreeBSD
            if [[ $OSTYPE != *bsd* ]] {
                setglobal COMPREPLY = '( '$( compgen -W '{0..7}' -- "$cur" ) )
                return
            }
            
        with -S
            # Socket sndbuf in Linux, source IP in FreeBSD
            [[ $OSTYPE == *bsd* ]] && _ip_addresses
            return
            
        with -T
            # Timestamp option in Linux, TTL in FreeBSD
            [[ $OSTYPE == *bsd* ]] || \
                setglobal COMPREPLY = '( '$( compgen -W 'tsonly tsandaddr' -- "$cur" ) )
            return
            
    }

    if [[ $cur == -* ]] {
        setglobal COMPREPLY = '( '$( compgen -W '$( _parse_usage "$1" )' -- "$cur" ) )
        return
    }

    _known_hosts_real $cur
} &&
complete -F _ping ping ping6

# ex: ts=4 sw=4 et filetype=sh