diff options
| -rw-r--r-- | src/unistd.rs | 5 | ||||
| -rw-r--r-- | test/test_unistd.rs | 13 |
2 files changed, 8 insertions, 10 deletions
diff --git a/src/unistd.rs b/src/unistd.rs index ae1cca95..8cad67f4 100644 --- a/src/unistd.rs +++ b/src/unistd.rs @@ -35,6 +35,7 @@ use std::ffi::{CString, OsStr}; use std::os::unix::ffi::OsStrExt; use std::os::unix::ffi::OsStringExt; use std::os::unix::io::RawFd; +use std::os::unix::io::{AsFd, AsRawFd}; use std::path::PathBuf; use std::{fmt, mem, ptr}; @@ -1255,8 +1256,8 @@ pub fn truncate<P: ?Sized + NixPath>(path: &P, len: off_t) -> Result<()> { /// /// See also /// [ftruncate(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html) -pub fn ftruncate(fd: RawFd, len: off_t) -> Result<()> { - Errno::result(unsafe { libc::ftruncate(fd, len) }).map(drop) +pub fn ftruncate<Fd: AsFd>(fd: Fd, len: off_t) -> Result<()> { + Errno::result(unsafe { libc::ftruncate(fd.as_fd().as_raw_fd(), len) }).map(drop) } pub fn isatty(fd: RawFd) -> Result<bool> { diff --git a/test/test_unistd.rs b/test/test_unistd.rs index 1d50c5fa..10284e41 100644 --- a/test/test_unistd.rs +++ b/test/test_unistd.rs @@ -772,15 +772,12 @@ fn test_ftruncate() { let tempdir = tempdir().unwrap(); let path = tempdir.path().join("file"); - let tmpfd = { - let mut tmp = File::create(&path).unwrap(); - const CONTENTS: &[u8] = b"12345678"; - tmp.write_all(CONTENTS).unwrap(); - tmp.into_raw_fd() - }; + let mut file = File::create(&path).unwrap(); + const CONTENTS: &[u8] = b"12345678"; + file.write_all(CONTENTS).unwrap(); - ftruncate(tmpfd, 2).unwrap(); - close(tmpfd).unwrap(); + ftruncate(&file, 2).unwrap(); + drop(file); let metadata = fs::metadata(&path).unwrap(); assert_eq!(2, metadata.len()); |