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[package]
name = "getrandom"
version = "0.4.1"
edition = "2024"
rust-version = "1.85" # Sync tests.yml and README.md.
authors = ["The Rand Project Developers"]
license = "MIT OR Apache-2.0"
description = "A small cross-platform library for retrieving random data from system source"
documentation = "https://docs.rs/getrandom"
repository = "https://github.com/rust-random/getrandom"
categories = ["os", "no-std"]
exclude = [".*"]
[package.metadata.docs.rs]
features = ["std", "sys_rng"]
rustdoc-args = ["--cfg", "getrandom_backend=\"extern_impl\""]
[features]
# Implement From<getrandom::Error> for std::io::Error and
# use std to retrieve OS error descriptions
std = []
# Optional backend: wasm_js
#
# This flag enables the wasm_js backend and uses it by default on wasm32 where
# the target_os is unknown. The getrandom_backend cfg may override this.
#
# WARNING: We strongly recommend against enabling this feature in libraries (except for tests)
# since it is known to break non-Web WASM builds and further since the usage of `wasm-bindgen`
# causes significant bloat to `Cargo.lock` (on all targets).
#
# The only exception to this rule: if your crate already unconditionally depends on `wasm-bindgen`
# or `js-sys` on "unknown" WASM targets then it's acceptable to enable this feature unconditionally.
wasm_js = ["dep:wasm-bindgen", "dep:js-sys"]
# Provide SysRng over rand_core
sys_rng = ["dep:rand_core"]
[dependencies]
cfg-if = "1"
rand_core = { version = "0.10.0", optional = true }
# getrandom / linux_android_with_fallback
[target.'cfg(all(any(target_os = "linux", target_os = "android"), not(any(all(target_os = "linux", target_env = ""), getrandom_backend = "custom", getrandom_backend = "linux_raw", getrandom_backend = "rdrand", getrandom_backend = "rndr"))))'.dependencies]
libc = { version = "0.2.154", default-features = false }
# apple-other
[target.'cfg(any(target_os = "ios", target_os = "visionos", target_os = "watchos", target_os = "tvos"))'.dependencies]
libc = { version = "0.2.154", default-features = false }
# efi_rng
[target.'cfg(all(target_os = "uefi", getrandom_backend = "efi_rng"))'.dependencies]
r-efi = { version = "5.1", default-features = false }
# getentropy
[target.'cfg(any(target_os = "macos", target_os = "openbsd", target_os = "vita", target_os = "emscripten"))'.dependencies]
libc = { version = "0.2.154", default-features = false }
# getrandom
[target.'cfg(any(target_os = "dragonfly", target_os = "freebsd", target_os = "hurd", target_os = "illumos", target_os = "cygwin", all(target_os = "horizon", target_arch = "arm")))'.dependencies]
libc = { version = "0.2.154", default-features = false }
# netbsd
[target.'cfg(target_os = "netbsd")'.dependencies]
libc = { version = "0.2.154", default-features = false }
# solaris
[target.'cfg(target_os = "solaris")'.dependencies]
libc = { version = "0.2.154", default-features = false }
# use_file
[target.'cfg(any(target_os = "haiku", target_os = "redox", target_os = "nto", target_os = "aix"))'.dependencies]
libc = { version = "0.2.154", default-features = false }
# vxworks
[target.'cfg(target_os = "vxworks")'.dependencies]
libc = { version = "0.2.154", default-features = false }
# wasi_p2_3
[target.'cfg(all(target_arch = "wasm32", target_os = "wasi", target_env = "p2"))'.dependencies]
wasip2 = { version = "1", default-features = false }
# wasi_p2_3
[target.'cfg(all(target_arch = "wasm32", target_os = "wasi", target_env = "p3"))'.dependencies]
wasip3 = "0.4"
# wasm_js
[target.'cfg(all(target_arch = "wasm32", any(target_os = "unknown", target_os = "none")))'.dependencies]
wasm-bindgen = { version = "0.2.98", default-features = false, optional = true }
[target.'cfg(all(target_arch = "wasm32", any(target_os = "unknown", target_os = "none"), target_feature = "atomics"))'.dependencies]
js-sys = { version = "0.3.77", default-features = false, optional = true }
[target.'cfg(all(target_arch = "wasm32", any(target_os = "unknown", target_os = "none")))'.dev-dependencies]
wasm-bindgen-test = "0.3"
[lints.rust.unexpected_cfgs]
level = "warn"
check-cfg = [
'cfg(getrandom_backend, values("custom", "efi_rng", "rdrand", "rndr", "linux_getrandom", "linux_raw", "windows_legacy", "unsupported", "extern_impl"))',
'cfg(getrandom_msan)',
'cfg(getrandom_test_linux_fallback)',
'cfg(getrandom_test_linux_without_fallback)',
'cfg(getrandom_test_netbsd_fallback)',
'cfg(target_os, values("cygwin"))', # TODO(MSRV 1.86): Remove this.
'cfg(target_os, values("motor"))',
]
[lints.rust]
unused_lifetimes = "warn"
missing_docs = "warn"
[lints.clippy]
cast_lossless = "warn"
cast_possible_truncation = "warn"
cast_possible_wrap = "warn"
cast_precision_loss = "warn"
cast_ptr_alignment = "warn"
cast_sign_loss = "warn"
char_lit_as_u8 = "warn"
checked_conversions = "warn"
fn_to_numeric_cast = "warn"
fn_to_numeric_cast_with_truncation = "warn"
ptr_as_ptr = "warn"
unnecessary_cast = "warn"
useless_conversion = "warn"
# workaround for https://github.com/cross-rs/cross/issues/1345
[package.metadata.cross.target.x86_64-unknown-netbsd]
pre-build = [
"mkdir -p /tmp/netbsd",
"curl -fO https://cdn.netbsd.org/pub/NetBSD/NetBSD-9.3/amd64/binary/sets/base.tar.xz",
"tar -C /tmp/netbsd -xJf base.tar.xz",
"cp /tmp/netbsd/usr/lib/libexecinfo.so /usr/local/x86_64-unknown-netbsd/lib",
"rm base.tar.xz",
"rm -rf /tmp/netbsd",
]
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