blob: ea63b1233b435bba61aef313e6478f7cbb123654 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
.\"
.\" SPDX-License-Identifier: BSD-2-Clause
.\"
.\" Copyright (c) 2025 Chelsio Communications, Inc.
.\" Written by: John Baldwin <jhb@FreeBSD.org>
.\"
.Dd July 31, 2025
.Dt FREEBSD::FILE_UP 3
.Os
.Sh NAME
.Nm freebsd::FILE_up
.Nd std::unique_ptr specialization for stdio FILE objects
.Sh LIBRARY
.Lb libutil++
.Sh SYNOPSIS
.In libutil++.hh
.Ft using FILE_up = std::unique_ptr<FILE, fclose_deleter>;
.Sh DESCRIPTION
This class is a specialization of
.Vt std::unique_ptr
for stdio
.Vt FILE
objects.
When a
.Vt FILE
object managed by an instance of this class is disposed,
.Xr fclose 3
is invoked to dispose of the
.Vt FILE
object.
.Sh EXAMPLES
.Bd -literal -offset indent
freebsd::FILE_up fp(fopen("foo.txt", "w"));
if (!fp)
err(1, "fopen");
fprintf(fp.get(), "hello\n");
// `fp' is implicitly closed on destruction
.Ed
.Sh SEE ALSO
.Xr fclose 3 ,
.Xr fopen 3
|
