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

proc _ping {
    local cur prev words cword
    _init_completion -n = || return

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

    if [[ $cur == -* ]] {
        setvar 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