Packages
nerves
1.15.0
1.15.0
1.14.3
1.14.2
1.14.1
1.14.0
1.13.2
1.13.1
1.13.0
1.12.0
1.11.3
1.11.2
1.11.1
1.11.0
1.10.5
1.10.4
1.10.3
1.10.2
1.10.1
1.10.0
1.9.3
1.9.2
retired
1.9.1
1.9.0
1.8.0
1.7.17
1.7.16
1.7.15
1.7.14
retired
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
retired
1.7.1
retired
1.7.0
retired
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.4
1.3.3
1.3.2
1.3.1
1.3.0
1.2.1
1.2.0
1.1.1
1.1.0
1.0.1
1.0.0
1.0.0-rc.2
1.0.0-rc.1
1.0.0-rc.0
0.11.0
0.10.1
0.10.0
0.9.4
0.9.3
0.9.2
0.9.1
0.9.0
0.8.3
0.8.2
0.8.1
0.8.0
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.4.0-rc.0
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.2.0
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lib/nerves/utils.ex
# SPDX-FileCopyrightText: 2017 Justin Schneck
# SPDX-FileCopyrightText: 2022 Frank Hunleth
# SPDX-FileCopyrightText: 2022 Jon Carstens
#
# SPDX-License-Identifier: Apache-2.0
#
defmodule Nerves.Utils do
@moduledoc false
@alphanum ~c"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"
if Application.compile_env(:nerves, :json_codec) do
IO.warn(":json_codec is no longer supported. Please remove from your config", [])
end
<<i1::32-unsigned-integer, i2::32-unsigned-integer, i3::32-unsigned-integer>> =
:crypto.strong_rand_bytes(12)
:rand.seed(:exsplus, {i1, i2, i3})
@spec random_alpha_num(non_neg_integer()) :: String.t()
def random_alpha_num(length) do
Enum.take_random(@alphanum, length)
|> to_string()
end
end