Crate vfs_host 

Modules

filesystem_preopens

filesystem_types

Structs

Fs

Main filesystem structure With std feature: uses DashMap for lock-free concurrent access Without std: uses BTreeMap for single-threaded environments

FsDescriptorWrapper

Wrapper for fs-core file descriptor stored in ResourceTable. Contains the fd and optionally the path for directory descriptors.

FsDirectoryEntryStreamWrapper

Wrapper for directory entry stream stored in ResourceTable. Caches the directory listing and tracks iteration position.

VfsHostState

Host state that uses fs-core directly for filesystem operations. Multiple instances can share the same VFS via Arc<Fs>.

Constants

O_CREAT

O_RDONLY

File open flags

O_RDWR

O_TRUNC

O_WRONLY

Functions

add_to_linker_with_vfs

Add WASI interfaces to linker with custom VFS filesystem implementation.

convert_fs_error

Helper function to convert fs-core error to WASI error code