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Rollup merge of #82421 - sunfishcode:wasi-metadata-size, r=alexcrichton 

Add a `size()` function to WASI's `MetadataExt`.

WASI's `filestat` type includes a size field, so expose it in
`MetadataExt` via a `size()` function, similar to the corresponding Unix
function.

r? ``````@alexcrichton``````
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Dylan DPC 2021-02-27 02:34:28 +01:00 committed by GitHub
parent f5b68a4444 e8dcc02dc5
commit d80033f048
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5
library/std/src/sys/wasi/ext/fs.rs
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@ -400,6 +400,8 @@ pub trait MetadataExt {
fn ino(&self) -> u64;
/// Returns the `st_nlink` field of the internal `filestat_t`
fn nlink(&self) -> u64;
/// Returns the `st_size` field of the internal `filestat_t`
fn size(&self) -> u64;
/// Returns the `st_atim` field of the internal `filestat_t`
fn atim(&self) -> u64;
/// Returns the `st_mtim` field of the internal `filestat_t`
@ -418,6 +420,9 @@ impl MetadataExt for fs::Metadata {
fn nlink(&self) -> u64 {
self.as_inner().as_wasi().nlink
}
fn size(&self) -> u64 {
self.as_inner().as_wasi().size
}
fn atim(&self) -> u64 {
self.as_inner().as_wasi().atim
}