#compdef fping

local expl hosts

_arguments -C \
   '-a[show targets that are alive]:' \
   '-A[show targets by address]:' \
   '-v[show version]:' \
   '-b n[amount of ping data to send, in bytes (default 56)]:' \
   '-B f[set exponential backoff factor to f]:' \
   '-c n[count of pings to send to each target (default 1)]:' \
   '-C n[same as -c, report results in verbose format]:' \
   '-e[show elapsed time on return packets]:' \
   '-f[read list of targets from a file ( - means stdin)]:_file' \
   '-i n[interval between sending ping packets (in millisec) (default 25)]:' \
   '-l[loop sending pings forever]:' \
   '-m[ping multiple interfaces on target host]:' \
   '-n[show targets by name (-d is equivalent)]:' \
   '-p n[interval between ping packets to one target (in millisec) (in looping and counting modes, default 1000)]:' \
   '-q[quiet (dont show per-target/per-ping results)]:' \
   '-Q n[same as -q, but show summary every n seconds]:' \
   '-r n[number of retries (default 3)]:' \
   '-s[print final stats]:' \
   '-t n[individual target initial timeout (in millisec) (default 500)]:' \
   '-u[show targets that are unreachable]:' \
   && ret=0

if ! zstyle -a ":completion:${curcontext}:hosts" hosts hosts; then
  (( $+_cache_hosts )) ||
      : ${(A)_cache_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}}

  hosts=( "$_cache_hosts[@]" )
fi

_wanted hosts expl host \
    compadd -M 'm:{a-zA-Z}={A-Za-z} r:|.=* r:|=*' "$@" -a hosts