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The `arrtoip()` function converts the given byte array into an IP address
string. Array of length 4 are converted to IPv4 addresses, arrays of
length 16 to IPv6 addresses.
Returns the resulting IPv4 or IPv6 address string.
Returns `null` if the given value is not an array, if the array has an
unsuitable length or if any item within the array is not an integer within
the range 0-255.
-- Testcase --
{%
print(join("\n", [
arrtoip([ 0, 0, 0, 0 ]),
arrtoip([ 192, 168, 1, 1 ]),
arrtoip([ 255, 255, 255, 255 ]),
arrtoip([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]),
arrtoip([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 192, 168, 1, 1 ]),
arrtoip([ 32, 1, 13, 184, 18, 52, 69, 103, 120, 154, 188, 222, 240, 18, 52, 86 ]),
arrtoip([ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ])
]), "\n");
%}
-- End --
-- Expect stdout --
0.0.0.0
192.168.1.1
255.255.255.255
::
::ffff:192.168.1.1
2001:db8:1234:4567:789a:bcde:f012:3456
ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
-- End --
Supplying a non-array value, an array of unsuitable length or an array
containing invalid byte values yields `null`.
-- Testcase --
{%
print(join("\n", [
arrtoip(true),
arrtoip([ ]),
arrtoip([ 1, 2, 3 ]),
arrtoip([ 192, 168, 1, -1 ]),
arrtoip([ true, false, -5, 500 ])
]), "\n");
%}
-- End --
-- Expect stdout --
null
null
null
null
null
-- End --
|
