patch getrandom 0.3.x

Signed-off-by: sbwml <admin@cooluc.com>

Author: sbwml

.github/workflows/build-release.yml

@@ -44,11 +44,14 @@ jobs:
           shadowsocks_version="$(git describe --tags `git rev-list --tags --max-count=1`)"
           echo shadowsocks_version="$shadowsocks_version" >> "$GITHUB_ENV"
           git checkout $(git describe --tags `git rev-list --tags --max-count=1`)
-          # moka
-          if [ "$shadowsocks_version" = "v1.22.0" ]; then
-            echo '[patch.crates-io]' >> Cargo.toml
-            echo 'moka = { git = "https://github.com/moka-rs/moka.git", branch = "main" }' >> Cargo.toml
-          fi
+          # getrandom local
+          echo '[patch.crates-io]' >> Cargo.toml
+          echo 'getrandom = { path = "../getrandom", version = "0.3" }' >> Cargo.toml
+          cd ..
+          # patch getrandom
+          git clone https://github.com/rust-random/getrandom -b v$(grep -oP 'getrandom \d+\.3.\d+' shadowsocks-rust/Cargo.lock | head -1 | awk '{print $2}')
+          cd getrandom
+          patch -p1 < ../patches/getrandom-0.3-musl.patch
           cd ..
           [ "${{ matrix.target }}" = "mips-unknown-linux-musl" ] && target=mips || target=mipsel
           export $(echo "CARGO_TARGET_$(echo "$target" | tr '[:lower:]' '[:upper:]')_UNKNOWN_LINUX_MUSL_LINKER"="$target-openwrt-linux-musl-gcc")

patches/getrandom-0.3-musl.patch

@@ -0,0 +1,16 @@
+--- a/src/backends/linux_android_with_fallback.rs
++++ b/src/backends/linux_android_with_fallback.rs
+@@ -31,8 +31,11 @@ fn init() -> NonNull<c_void> {
+     };
+     #[cfg(target_env = "musl")]
+     let raw_ptr = {
+-        let fptr: GetRandomFn = libc::getrandom;
+-        unsafe { transmute::<GetRandomFn, *mut c_void>(fptr) }
++        // Define the getrandom function for musl targets
++        extern "C" {
++            fn getrandom(buf: *mut libc::c_void, buflen: libc::size_t, flags: libc::c_uint) -> libc::ssize_t;
++        }
++        unsafe { transmute::<unsafe extern "C" fn(*mut libc::c_void, libc::size_t, libc::c_uint) -> libc::ssize_t, *mut c_void>(getrandom) }
+     };
+ 
+     let res_ptr = match NonNull::new(raw_ptr) {