fix: std lib compile

Author: nhtyy

library/std/src/sys/pal/zkvm/mod.rs

@@ -60,13 +60,3 @@ pub fn decode_error_kind(_code: i32) -> crate::io::ErrorKind {
 pub fn abort_internal() -> ! {
     core::intrinsics::abort();
 }
-
-pub fn hashmap_random_keys() -> (u64, u64) {
-    let mut buf = [0u8; 16];
-    unsafe {
-        abi::sys_rand(buf.as_mut_ptr(), buf.len());
-    };
-    let a = u64::from_le_bytes(buf[0..8].try_into().unwrap());
-    let b = u64::from_le_bytes(buf[8..16].try_into().unwrap());
-    (a, b)
-}

library/std/src/sys/random/zkvm.rs

@@ -1,21 +1,24 @@
 use crate::sys::pal::abi;
 
 pub fn fill_bytes(bytes: &mut [u8]) {
-    let (pre, words, post) = unsafe { bytes.align_to_mut::<u32>() };
-    if !words.is_empty() {
-        unsafe {
-            abi::sys_rand(words.as_mut_ptr(), words.len());
-        }
-    }
+    unsafe { abi::sys_rand(bytes.as_mut_ptr(), bytes.len()) };
+}
 
-    let mut buf = [0u32; 2];
-    let len = (pre.len() + post.len() + size_of::<u32>() - 1) / size_of::<u32>();
-    if len != 0 {
-        unsafe { abi::sys_rand(buf.as_mut_ptr(), len) };
-    }
+// pub fn fill_bytes(bytes: &mut [u8]) {
+//     let (pre, words, post) = unsafe { bytes.align_to_mut::<u32>() };
+//     if !words.is_empty() {
+//         unsafe { abi::sys_rand(words.as_mut_ptr(), words.len()) };
+//         }
+//     }
 
-    let buf = buf.map(u32::to_ne_bytes);
-    let buf = buf.as_flattened();
-    pre.copy_from_slice(&buf[..pre.len()]);
-    post.copy_from_slice(&buf[pre.len()..pre.len() + post.len()]);
-}
+//     let mut buf = [0u32; 2];
+//     let len = (pre.len() + post.len() + size_of::<u32>() - 1) / size_of::<u32>();
+//     if len != 0 {
+//         unsafe { abi::sys_rand(buf.as_mut_ptr(), len) };
+//     }
+
+//     let buf = buf.map(u32::to_ne_bytes);
+//     let buf = buf.as_flattened();
+//     pre.copy_from_slice(&buf[..pre.len()]);
+//     post.copy_from_slice(&buf[pre.len()..pre.len() + post.len()]);
+// }