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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.
This commit is contained in:
Dan Gohman 2021-02-22 14:42:59 -08:00
parent 178108bf81
commit e8dcc02dc5
1 changed files with 5 additions and 0 deletions
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5
library/std/src/sys/wasi/ext/fs.rs
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@ -397,6 +397,8 @@ 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`
@ -415,6 +417,9 @@ 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
}