xref: /freebsd/tools/build/cross-build/include/linux/libutil.h (revision e9ac41698b2f322d55ccf9da50a3596edb2c1800)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org>
5  *
6  * This software was developed by SRI International and the University of
7  * Cambridge Computer Laboratory (Department of Computer Science and
8  * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
9  * DARPA SSITH research programme.
10  *
11  * This software was developed by SRI International and the University of
12  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
13  * ("CTSRD"), as part of the DARPA CRASH research programme.
14  *
15  * Redistribution and use in source and binary forms, with or without
16  * modification, are permitted provided that the following conditions
17  * are met:
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 #pragma once
37 
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 
41 #include <stdint.h>
42 #include <stdio.h>
43 
44 struct pidfh;
45 
46 __BEGIN_DECLS
47 int humanize_number(char *buf, size_t len, int64_t bytes, const char *suffix,
48     int scale, int flags);
49 int expand_number(const char *_buf, uint64_t *_num);
50 
51 int flopen(const char *_path, int _flags, ...);
52 int flopenat(int dirfd, const char *path, int flags, ...);
53 
54 char *fparseln(FILE *, size_t *, size_t *, const char[3], int);
55 __END_DECLS
56 
57 /* Values for humanize_number(3)'s flags parameter. */
58 #define HN_DECIMAL 0x01
59 #define HN_NOSPACE 0x02
60 #define HN_B 0x04
61 #define HN_DIVISOR_1000 0x08
62 #define HN_IEC_PREFIXES 0x10
63 
64 /* Values for humanize_number(3)'s scale parameter. */
65 #define HN_GETSCALE 0x10
66 #define HN_AUTOSCALE 0x20
67 
68 /*
69  * fparseln() specific operation flags.
70  */
71 #define FPARSELN_UNESCESC 0x01
72 #define FPARSELN_UNESCCONT 0x02
73 #define FPARSELN_UNESCCOMM 0x04
74 #define FPARSELN_UNESCREST 0x08
75 #define FPARSELN_UNESCALL 0x0f
76