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authormo khan <mo@mokhan.ca>2025-07-02 18:36:06 -0600
committermo khan <mo@mokhan.ca>2025-07-02 18:36:06 -0600
commit8cdfa445d6629ffef4cb84967ff7017654045bc2 (patch)
tree22f0b0907c024c78d26a731e2e1f5219407d8102 /vendor/rustix/src/backend/libc/rand/syscalls.rs
parent4351c74c7c5f97156bc94d3a8549b9940ac80e3f (diff)
chore: add vendor directory
Diffstat (limited to 'vendor/rustix/src/backend/libc/rand/syscalls.rs')
-rw-r--r--vendor/rustix/src/backend/libc/rand/syscalls.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/libc/rand/syscalls.rs b/vendor/rustix/src/backend/libc/rand/syscalls.rs
new file mode 100644
index 00000000..ce17c6aa
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/rand/syscalls.rs
@@ -0,0 +1,14 @@
+//! libc syscalls supporting `rustix::rand`.
+
+#[cfg(linux_kernel)]
+use {crate::backend::c, crate::backend::conv::ret_usize, crate::io, crate::rand::GetRandomFlags};
+
+#[cfg(linux_kernel)]
+pub(crate) unsafe fn getrandom(buf: (*mut u8, usize), flags: GetRandomFlags) -> io::Result<usize> {
+ // `getrandom` wasn't supported in glibc until 2.25.
+ weak_or_syscall! {
+ fn getrandom(buf: *mut c::c_void, buflen: c::size_t, flags: c::c_uint) via SYS_getrandom -> c::ssize_t
+ }
+
+ ret_usize(getrandom(buf.0.cast(), buf.1, flags.bits()))
+}