fix seek when is in append mode

wasmerio · May 14, 2024 · d2e72c0 · d2e72c0
1 parent d65b674
commit d2e72c0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/wasix/src/syscalls/wasi/fd_seek.rs b/lib/wasix/src/syscalls/wasi/fd_seek.rs
@@ -62,6 +62,9 @@ pub(crate) fn fd_seek_internal(
     if !fd_entry.rights.contains(Rights::FD_SEEK) {
         return Ok(Err(Errno::Access));
     }
+    if fd_entry.flags.contains(Fdflags::APPEND) {
+        return Ok(Ok(fd_entry.offset.load(Ordering::Acquire)));
+    }
 
     // TODO: handle case if fd is a dir?
     let new_offset = match whence {