# assert --- assert that a condition is true. Otherwise, exit.
#
# Arnold Robbins, arnold@skeeve.com, Public Domain
# May, 1993
function assert(condition, string)
{
if (! condition) {
printf("%s:%d: assertion failed: %s\n",
FILENAME, FNR, string) > "/dev/stderr"
_assert_exit = 1
exit 1
}
}
END {
if (_assert_exit)
exit 1
}