Do not implement clock on wasm32, just return 0

gyscos · Oct 10, 2023 · 1055357 · 1055357
1 parent e1c631c
commit 1055357
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Showing 3 changed files with 3 additions and 11 deletions.
diff --git a/zstd-safe/zstd-sys/src/lib.rs b/zstd-safe/zstd-sys/src/lib.rs
@@ -9,9 +9,6 @@
 #[cfg(target_arch = "wasm32")]
 extern crate alloc;
 
-#[cfg(target_arch = "wasm32")]
-extern crate std;
-
 #[cfg(target_arch = "wasm32")]
 mod wasm_shim;
 

diff --git a/zstd-safe/zstd-sys/src/wasm_shim.rs b/zstd-safe/zstd-sys/src/wasm_shim.rs
@@ -4,11 +4,6 @@ use core::ffi::{c_int, c_void};
 const USIZE_ALIGN: usize = core::mem::align_of::<usize>();
 const USIZE_SIZE: usize = core::mem::size_of::<usize>();
 
-#[no_mangle]
-pub extern "C" fn rust_zstd_wasm_shim_clock() -> u64 {
-    std::time::UNIX_EPOCH.elapsed().unwrap().as_millis() as u64
-}
-
 #[no_mangle]
 pub extern "C" fn rust_zstd_wasm_shim_qsort(
     base: *mut c_void,

diff --git a/zstd-safe/zstd-sys/wasm-shim/time.h b/zstd-safe/zstd-sys/wasm-shim/time.h
@@ -2,12 +2,12 @@
 #define _TIME_H
 
 #define CLOCKS_PER_SEC 1000
-typedef unsigned long long clock_t;
 
-clock_t rust_zstd_wasm_shim_clock();
+typedef unsigned long long clock_t;
 
+// Clock is just use for progress reporting, which we disable anyway.
 inline clock_t clock() {
-    return rust_zstd_wasm_shim_clock();
+    return 0;
 }
 
 #endif // _TIME_H