Add support for WASM

lz4-sys/src/lib.rs

@@ -1,8 +1,31 @@
 #![no_std]
 extern crate libc;
 
+#[cfg(not(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+)))]
 use libc::{c_void, c_char, c_uint, size_t, c_int};
 
+#[cfg(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+))]
+extern crate std;
+
+#[cfg(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+))]
+use std::os::raw::{c_void, c_char, c_uint, c_int};
+
+#[cfg(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+))]
+#[allow(non_camel_case_types)]
+type size_t = usize;
+
 #[derive(Clone, Copy)]
 #[repr(C)]
 pub struct LZ4FCompressionContext(pub *mut c_void);

src/block/mod.rs

@@ -18,8 +18,8 @@
 //! assert_eq!(v, decompress(&comp_wo_prefix, Some(1024)).unwrap());
 //! ```
 
+use super::c_char;
 use super::liblz4::*;
-use libc::c_char;
 use std::io::{Error, ErrorKind, Result};
 
 /// Represents the compression mode do be used.

src/decoder.rs

@@ -1,5 +1,5 @@
 use super::liblz4::*;
-use libc::size_t;
+use super::size_t;
 use std::io::{Error, ErrorKind, Read, Result};
 use std::ptr;
 

src/encoder.rs

@@ -1,5 +1,5 @@
 use super::liblz4::*;
-use libc::size_t;
+use super::size_t;
 use std::cmp;
 use std::io::Result;
 use std::io::Write;

src/lib.rs

@@ -15,3 +15,22 @@ pub use crate::liblz4::version;
 pub use crate::liblz4::BlockMode;
 pub use crate::liblz4::BlockSize;
 pub use crate::liblz4::ContentChecksum;
+
+#[cfg(not(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+)))]
+use libc::{c_char, size_t};
+
+#[cfg(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+))]
+use std::os::raw::c_char;
+
+#[cfg(all(
+    target_arch = "wasm32",
+    not(any(target_env = "wasi", target_os = "wasi"))
+))]
+#[allow(non_camel_case_types)]
+type size_t = usize;