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Diffstat (limited to 'src/unistd.rs')
| -rw-r--r-- | src/unistd.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/unistd.rs b/src/unistd.rs index ad06a3c0..70882604 100644 --- a/src/unistd.rs +++ b/src/unistd.rs @@ -989,6 +989,20 @@ fn pipe2_setflags(fd1: RawFd, fd2: RawFd, flags: OFlag) -> Result<()> { /// Truncate a file to a specified length /// /// See also +/// [truncate(2)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html) +pub fn truncate<P: ?Sized + NixPath>(path: &P, len: off_t) -> Result<()> { + let res = try!(path.with_nix_path(|cstr| { + unsafe { + libc::truncate(cstr.as_ptr(), len) + } + })); + + Errno::result(res).map(drop) +} + +/// Truncate a file to a specified length +/// +/// See also /// [ftruncate(2)](http://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) |