Add bytes_available function

2025-12-07 21:28:21 +00:00 · 2022-09-19 11:03:07 +02:00
parent 2484db9943
commit aa4b1d0684
1 changed files with 10 additions and 0 deletions
--- a/lib/c-api/src/wasm_c_api/wasi/mod.rs
+++ b/lib/c-api/src/wasm_c_api/wasi/mod.rs
@@ -207,6 +207,16 @@ impl VirtualFile for wasi_pipe_t {
    fn unlink(&mut self) -> Result<(), FsError> {
        Ok(())
    }
+    fn bytes_available(&self) -> Result<usize, FsError> {
+        Ok(self.bytes_available_read()?.unwrap_or(0usize)
+            + self.bytes_available_write()?.unwrap_or(0usize))
+    }
+    fn bytes_available_read(&self) -> Result<Option<usize>, FsError> {
+        Ok(None)
+    }
+    fn bytes_available_write(&self) -> Result<Option<usize>, FsError> {
+        Ok(None)
+    }
 }

 #[no_mangle]