Implement wasi_unstable::random_get.

sunfishcode · sunfishcode · commit 148a021093c0 · 2019-07-11T11:26:20.000-07:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "wasi-core"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["The Cranelift Project Developers"]
 license = "Apache-2.0 WITH LLVM-exception"
 description = "Experimental WASI API bindings for Rust"
diff --git a/src/wasi_unstable/mod.rs b/src/wasi_unstable/mod.rs
@@ -9,6 +9,7 @@
 
 pub mod raw;
 
+use core::ffi::c_void;
 use core::mem::MaybeUninit;
 use raw::*;
 
@@ -272,4 +273,8 @@ pub fn fd_pread(fd: fd_t, iovs: &[iovec_t], offset: filesize_t) -> (errno_t, usi
     }
 }
 
+pub fn random_get(buf: &mut [u8]) -> errno_t {
+    unsafe { __wasi_random_get(buf.as_mut_ptr() as *mut c_void, buf.len()) }
+}
+
 // TODO: Implement more functions

Original file line number	Diff line number	Diff line change
`@@ -9,6 +9,7 @@`
`9`	`9`
`10`	`10`	`pub mod raw;`
`11`	`11`
	`12`	`+use core::ffi::c_void;`
`12`	`13`	`use core::mem::MaybeUninit;`
`13`	`14`	`use raw::*;`
`14`	`15`
`@@ -272,4 +273,8 @@ pub fn fd_pread(fd: fd_t, iovs: &[iovec_t], offset: filesize_t) -> (errno_t, usi`
`272`	`273`	`}`
`273`	`274`	`}`
`274`	`275`
	`276`	`+pub fn random_get(buf: &mut [u8]) -> errno_t {`
	`277`	`+ unsafe { __wasi_random_get(buf.as_mut_ptr() as *mut c_void, buf.len()) }`
	`278`	`+}`
	`279`	`+`
`275`	`280`	`// TODO: Implement more functions`