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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/uuid/uuid_stream.c	Lines:	0	44	0.0 %
Date:	2017-11-07	Branches:	0	8	0.0 %


/*	$OpenBSD: uuid_stream.c,v 1.3 2015/09/10 18:13:46 guenther Exp $	*/
/*	$NetBSD: uuid_stream.c,v 1.3 2008/04/19 18:21:38 plunky Exp $	*/

/*-
 * Copyright (c) 2002 Marcel Moolenaar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*-
 * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/sys/endian.h,v 1.7 2010/05/20 06:16:13 phk Exp $
 */

#include <sys/types.h>
#include <endian.h>
#include <uuid.h>

/*
 * Encode/Decode UUID into octet-stream.
 *   http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
 *
 * 0                   1                   2                   3
 *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |                          time_low                             |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |       time_mid                |         time_hi_and_version   |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |clk_seq_hi_res |  clk_seq_low  |         node (0-1)            |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *  |                         node (2-5)                            |
 *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *
 * NOTE: These routines are not part of the DCE RPC API. They are
 * provided for convenience.
 */

/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */

static __inline uint16_t
be16dec(const void *pp)
{
	uint8_t const *p = (uint8_t const *)pp;

	return ((p[0] << 8) | p[1]);
}

static __inline uint32_t
be32dec(const void *pp)
{
	uint8_t const *p = (uint8_t const *)pp;

	return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
}

static __inline uint16_t
le16dec(const void *pp)
{
	uint8_t const *p = (uint8_t const *)pp;

	return ((p[1] << 8) | p[0]);
}

static __inline uint32_t
le32dec(const void *pp)
{
	uint8_t const *p = (uint8_t const *)pp;

	return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
}

static __inline void
be16enc(void *pp, uint16_t u)
{
	uint8_t *p = (uint8_t *)pp;

	p[0] = (u >> 8) & 0xff;
	p[1] = u & 0xff;
}

static __inline void
be32enc(void *pp, uint32_t u)
{
	uint8_t *p = (uint8_t *)pp;

	p[0] = (u >> 24) & 0xff;
	p[1] = (u >> 16) & 0xff;
	p[2] = (u >> 8) & 0xff;
	p[3] = u & 0xff;
}

static __inline void
le16enc(void *pp, uint16_t u)
{
	uint8_t *p = (uint8_t *)pp;

	p[0] = u & 0xff;
	p[1] = (u >> 8) & 0xff;
}

static __inline void
le32enc(void *pp, uint32_t u)
{
	uint8_t *p = (uint8_t *)pp;

	p[0] = u & 0xff;
	p[1] = (u >> 8) & 0xff;
	p[2] = (u >> 16) & 0xff;
	p[3] = (u >> 24) & 0xff;
}

void
uuid_enc_le(void *buf, const uuid_t *uuid)
{
	uint8_t *p = buf;
	int i;

	le32enc(p, uuid->time_low);
	le16enc(p + 4, uuid->time_mid);
	le16enc(p + 6, uuid->time_hi_and_version);
	p[8] = uuid->clock_seq_hi_and_reserved;
	p[9] = uuid->clock_seq_low;
	for (i = 0; i < _UUID_NODE_LEN; i++)
		p[10 + i] = uuid->node[i];
}

void
uuid_dec_le(const void *buf, uuid_t *uuid)
{
	const uint8_t *p = buf;
	int i;

	uuid->time_low = le32dec(p);
	uuid->time_mid = le16dec(p + 4);
	uuid->time_hi_and_version = le16dec(p + 6);
	uuid->clock_seq_hi_and_reserved = p[8];
	uuid->clock_seq_low = p[9];
	for (i = 0; i < _UUID_NODE_LEN; i++)
		uuid->node[i] = p[10 + i];
}

void
uuid_enc_be(void *buf, const uuid_t *uuid)
{
	uint8_t *p = buf;
	int i;

	be32enc(p, uuid->time_low);
	be16enc(p + 4, uuid->time_mid);
	be16enc(p + 6, uuid->time_hi_and_version);
	p[8] = uuid->clock_seq_hi_and_reserved;
	p[9] = uuid->clock_seq_low;
	for (i = 0; i < _UUID_NODE_LEN; i++)
		p[10 + i] = uuid->node[i];
}

void
uuid_dec_be(const void *buf, uuid_t *uuid)
{
	const uint8_t *p = buf;
	int i;

	uuid->time_low = be32dec(p);
	uuid->time_mid = be16dec(p + 4);
	uuid->time_hi_and_version = be16dec(p + 6);
	uuid->clock_seq_hi_and_reserved = p[8];
	uuid->clock_seq_low = p[9];
	for (i = 0; i < _UUID_NODE_LEN; i++)
		uuid->node[i] = p[10 + i];
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: uuid_stream.c,v 1.3 2015/09/10 18:13:46 guenther Exp $ */
2			/* $NetBSD: uuid_stream.c,v 1.3 2008/04/19 18:21:38 plunky Exp $ */
3
4			/*-
5			* Copyright (c) 2002 Marcel Moolenaar
6			* All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			* 2. Redistributions in binary form must reproduce the above copyright
15			* notice, this list of conditions and the following disclaimer in the
16			* documentation and/or other materials provided with the distribution.
17			*
18			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21			* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28			*/
29			/*-
30			* Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
31			* All rights reserved.
32			*
33			* Redistribution and use in source and binary forms, with or without
34			* modification, are permitted provided that the following conditions
35			* are met:
36			* 1. Redistributions of source code must retain the above copyright
37			* notice, this list of conditions and the following disclaimer.
38			* 2. Redistributions in binary form must reproduce the above copyright
39			* notice, this list of conditions and the following disclaimer in the
40			* documentation and/or other materials provided with the distribution.
41			*
42			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52			* SUCH DAMAGE.
53			*
54			* $FreeBSD: src/sys/sys/endian.h,v 1.7 2010/05/20 06:16:13 phk Exp $
55			*/
56
57			#include <sys/types.h>
58			#include <endian.h>
59			#include <uuid.h>
60
61			/*
62			* Encode/Decode UUID into octet-stream.
63			* http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
64			*
65			* 0 1 2 3
66			* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
67			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
68			* \| time_low \|
69			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
70			* \| time_mid \| time_hi_and_version \|
71			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
72			* \|clk_seq_hi_res \| clk_seq_low \| node (0-1) \|
73			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
74			* \| node (2-5) \|
75			* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
76			*
77			* NOTE: These routines are not part of the DCE RPC API. They are
78			* provided for convenience.
79			*/
80
81			/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
82
83			static __inline uint16_t
84			be16dec(const void *pp)
85			{
86			uint8_t const p = (uint8_t const )pp;
87
88			return ((p[0] << 8) \| p[1]);
89			}
90
91			static __inline uint32_t
92			be32dec(const void *pp)
93			{
94			uint8_t const p = (uint8_t const )pp;
95
96			return (((unsigned)p[0] << 24) \| (p[1] << 16) \| (p[2] << 8) \| p[3]);
97			}
98
99			static __inline uint16_t
100			le16dec(const void *pp)
101			{
102			uint8_t const p = (uint8_t const )pp;
103
104			return ((p[1] << 8) \| p[0]);
105			}
106
107			static __inline uint32_t
108			le32dec(const void *pp)
109			{
110			uint8_t const p = (uint8_t const )pp;
111
112			return (((unsigned)p[3] << 24) \| (p[2] << 16) \| (p[1] << 8) \| p[0]);
113			}
114
115			static __inline void
116			be16enc(void *pp, uint16_t u)
117			{
118			uint8_t p = (uint8_t )pp;
119
120			p[0] = (u >> 8) & 0xff;
121			p[1] = u & 0xff;
122			}
123
124			static __inline void
125			be32enc(void *pp, uint32_t u)
126			{
127			uint8_t p = (uint8_t )pp;
128
129			p[0] = (u >> 24) & 0xff;
130			p[1] = (u >> 16) & 0xff;
131			p[2] = (u >> 8) & 0xff;
132			p[3] = u & 0xff;
133			}
134
135			static __inline void
136			le16enc(void *pp, uint16_t u)
137			{
138			uint8_t p = (uint8_t )pp;
139
140			p[0] = u & 0xff;
141			p[1] = (u >> 8) & 0xff;
142			}
143
144			static __inline void
145			le32enc(void *pp, uint32_t u)
146			{
147			uint8_t p = (uint8_t )pp;
148
149			p[0] = u & 0xff;
150			p[1] = (u >> 8) & 0xff;
151			p[2] = (u >> 16) & 0xff;
152			p[3] = (u >> 24) & 0xff;
153			}
154
155			void
156			uuid_enc_le(void buf, const uuid_t uuid)
157			{
158			uint8_t *p = buf;
159			int i;
160
161			le32enc(p, uuid->time_low);
162			le16enc(p + 4, uuid->time_mid);
163			le16enc(p + 6, uuid->time_hi_and_version);
164			p[8] = uuid->clock_seq_hi_and_reserved;
165			p[9] = uuid->clock_seq_low;
166			for (i = 0; i < _UUID_NODE_LEN; i++)
167			p[10 + i] = uuid->node[i];
168			}
169
170			void
171			uuid_dec_le(const void buf, uuid_t uuid)
172			{
173			const uint8_t *p = buf;
174			int i;
175
176			uuid->time_low = le32dec(p);
177			uuid->time_mid = le16dec(p + 4);
178			uuid->time_hi_and_version = le16dec(p + 6);
179			uuid->clock_seq_hi_and_reserved = p[8];
180			uuid->clock_seq_low = p[9];
181			for (i = 0; i < _UUID_NODE_LEN; i++)
182			uuid->node[i] = p[10 + i];
183			}
184
185			void
186			uuid_enc_be(void buf, const uuid_t uuid)
187			{
188			uint8_t *p = buf;
189			int i;
190
191			be32enc(p, uuid->time_low);
192			be16enc(p + 4, uuid->time_mid);
193			be16enc(p + 6, uuid->time_hi_and_version);
194			p[8] = uuid->clock_seq_hi_and_reserved;
195			p[9] = uuid->clock_seq_low;
196			for (i = 0; i < _UUID_NODE_LEN; i++)
197			p[10 + i] = uuid->node[i];
198			}
199
200			void
201			uuid_dec_be(const void buf, uuid_t uuid)
202			{
203			const uint8_t *p = buf;
204			int i;
205
206			uuid->time_low = be32dec(p);
207			uuid->time_mid = be16dec(p + 4);
208			uuid->time_hi_and_version = be16dec(p + 6);
209			uuid->clock_seq_hi_and_reserved = p[8];
210			uuid->clock_seq_low = p[9];
211			for (i = 0; i < _UUID_NODE_LEN; i++)
212			uuid->node[i] = p[10 + i];
213			}