Swap info and fd-info

See the last commit in WebAssembly/wasi-filesystem#66 for details.

Author: sunfishcode

host/src/filesystem.rs

@@ -30,10 +30,10 @@ impl wasi_filesystem::WasiFilesystem for WasiCtx {
         todo!()
     }
 
-    fn fd_info(
+    fn info(
         &mut self,
         fd: wasi_filesystem::Descriptor,
-    ) -> HostResult<wasi_filesystem::Info, wasi_filesystem::Errno> {
+    ) -> HostResult<wasi_filesystem::FdInfo, wasi_filesystem::Errno> {
         todo!()
     }
 

src/lib.rs

@@ -248,7 +248,7 @@ pub unsafe extern "C" fn fd_datasync(fd: Fd) -> Errno {
 pub unsafe extern "C" fn fd_fdstat_get(fd: Fd, stat: *mut Fdstat) -> Errno {
     match Descriptor::get(fd) {
         Descriptor::File(file) => {
-            let info = match wasi_filesystem::fd_info(file.fd) {
+            let info = match wasi_filesystem::info(file.fd) {
                 Ok(info) => info,
                 Err(err) => return errno_from_wasi_filesystem(err),
             };

wit/wasi-filesystem.wit.md

@@ -46,12 +46,12 @@ type filedelta = s64
 type timestamp = u64
 ```
 
-## `info`
+## `fd-info`
 ```wit
 /// Information associated with a descriptor.
 ///
 /// Note: This was called `fdstat` in earlier versions of WASI.
-record info {
+record fd-info {
     /// The type of filesystem object referenced by a descriptor.
     %type: %type,
     /// Flags associated with a descriptor.
@@ -445,18 +445,18 @@ datasync: func(
 ) -> result<_, errno>
 ```
 
-## `fd-info`
+## `info`
 ```wit
 /// Get information associated with a descriptor.
 ///
 /// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX, as well
 /// as additional fields.
 ///
 /// Note: This was called `fdstat_get` in earlier versions of WASI.
-fd-info: func(
+info: func(
     /// The resource to operate on.
     fd: descriptor,
-) -> result<info, errno>
+) -> result<fd-info, errno>
 ```
 
 ## `set-size`