xref: /freebsd/tools/build/cross-build/include/linux/libutil.h (revision 734e82fe33aa764367791a7d603b383996c6b40b)
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/cdefs.h>
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 
42 #include <stdint.h>
43 #include <stdio.h>
44 
45 struct pidfh;
46 
47 __BEGIN_DECLS
48 int humanize_number(char *buf, size_t len, int64_t bytes, const char *suffix,
49     int scale, int flags);
50 int expand_number(const char *_buf, uint64_t *_num);
51 
52 int flopen(const char *_path, int _flags, ...);
53 int flopenat(int dirfd, const char *path, int flags, ...);
54 
55 char *fparseln(FILE *, size_t *, size_t *, const char[3], int);
56 __END_DECLS
57 
58 /* Values for humanize_number(3)'s flags parameter. */
59 #define HN_DECIMAL 0x01
60 #define HN_NOSPACE 0x02
61 #define HN_B 0x04
62 #define HN_DIVISOR_1000 0x08
63 #define HN_IEC_PREFIXES 0x10
64 
65 /* Values for humanize_number(3)'s scale parameter. */
66 #define HN_GETSCALE 0x10
67 #define HN_AUTOSCALE 0x20
68 
69 /*
70  * fparseln() specific operation flags.
71  */
72 #define FPARSELN_UNESCESC 0x01
73 #define FPARSELN_UNESCCONT 0x02
74 #define FPARSELN_UNESCCOMM 0x04
75 #define FPARSELN_UNESCREST 0x08
76 #define FPARSELN_UNESCALL 0x0f
77