/usr/include/wireshark/wsutil/pint.h is in libwsutil-dev 2.4.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | /* pint.h
* Definitions for extracting and translating integers safely and portably
* via pointers.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __PINT_H__
#define __PINT_H__
#include <glib.h>
/* Pointer versions of g_ntohs and g_ntohl. Given a pointer to a member of a
* byte array, returns the value of the two or four bytes at the pointer.
* The pletohXX versions return the little-endian representation.
*/
#define pntoh16(p) ((guint16) \
((guint16)*((const guint8 *)(p)+0)<<8| \
(guint16)*((const guint8 *)(p)+1)<<0))
#define pntoh24(p) ((guint32)*((const guint8 *)(p)+0)<<16| \
(guint32)*((const guint8 *)(p)+1)<<8| \
(guint32)*((const guint8 *)(p)+2)<<0)
#define pntoh32(p) ((guint32)*((const guint8 *)(p)+0)<<24| \
(guint32)*((const guint8 *)(p)+1)<<16| \
(guint32)*((const guint8 *)(p)+2)<<8| \
(guint32)*((const guint8 *)(p)+3)<<0)
#define pntoh40(p) ((guint64)*((const guint8 *)(p)+0)<<32| \
(guint64)*((const guint8 *)(p)+1)<<24| \
(guint64)*((const guint8 *)(p)+2)<<16| \
(guint64)*((const guint8 *)(p)+3)<<8| \
(guint64)*((const guint8 *)(p)+4)<<0)
#define pntoh48(p) ((guint64)*((const guint8 *)(p)+0)<<40| \
(guint64)*((const guint8 *)(p)+1)<<32| \
(guint64)*((const guint8 *)(p)+2)<<24| \
(guint64)*((const guint8 *)(p)+3)<<16| \
(guint64)*((const guint8 *)(p)+4)<<8| \
(guint64)*((const guint8 *)(p)+5)<<0)
#define pntoh56(p) ((guint64)*((const guint8 *)(p)+0)<<48| \
(guint64)*((const guint8 *)(p)+1)<<40| \
(guint64)*((const guint8 *)(p)+2)<<32| \
(guint64)*((const guint8 *)(p)+3)<<24| \
(guint64)*((const guint8 *)(p)+4)<<16| \
(guint64)*((const guint8 *)(p)+5)<<8| \
(guint64)*((const guint8 *)(p)+6)<<0)
#define pntoh64(p) ((guint64)*((const guint8 *)(p)+0)<<56| \
(guint64)*((const guint8 *)(p)+1)<<48| \
(guint64)*((const guint8 *)(p)+2)<<40| \
(guint64)*((const guint8 *)(p)+3)<<32| \
(guint64)*((const guint8 *)(p)+4)<<24| \
(guint64)*((const guint8 *)(p)+5)<<16| \
(guint64)*((const guint8 *)(p)+6)<<8| \
(guint64)*((const guint8 *)(p)+7)<<0)
#define pletoh16(p) ((guint16) \
((guint16)*((const guint8 *)(p)+1)<<8| \
(guint16)*((const guint8 *)(p)+0)<<0))
#define pletoh24(p) ((guint32)*((const guint8 *)(p)+2)<<16| \
(guint32)*((const guint8 *)(p)+1)<<8| \
(guint32)*((const guint8 *)(p)+0)<<0)
#define pletoh32(p) ((guint32)*((const guint8 *)(p)+3)<<24| \
(guint32)*((const guint8 *)(p)+2)<<16| \
(guint32)*((const guint8 *)(p)+1)<<8| \
(guint32)*((const guint8 *)(p)+0)<<0)
#define pletoh40(p) ((guint64)*((const guint8 *)(p)+4)<<32| \
(guint64)*((const guint8 *)(p)+3)<<24| \
(guint64)*((const guint8 *)(p)+2)<<16| \
(guint64)*((const guint8 *)(p)+1)<<8| \
(guint64)*((const guint8 *)(p)+0)<<0)
#define pletoh48(p) ((guint64)*((const guint8 *)(p)+5)<<40| \
(guint64)*((const guint8 *)(p)+4)<<32| \
(guint64)*((const guint8 *)(p)+3)<<24| \
(guint64)*((const guint8 *)(p)+2)<<16| \
(guint64)*((const guint8 *)(p)+1)<<8| \
(guint64)*((const guint8 *)(p)+0)<<0)
#define pletoh56(p) ((guint64)*((const guint8 *)(p)+6)<<48| \
(guint64)*((const guint8 *)(p)+5)<<40| \
(guint64)*((const guint8 *)(p)+4)<<32| \
(guint64)*((const guint8 *)(p)+3)<<24| \
(guint64)*((const guint8 *)(p)+2)<<16| \
(guint64)*((const guint8 *)(p)+1)<<8| \
(guint64)*((const guint8 *)(p)+0)<<0)
#define pletoh64(p) ((guint64)*((const guint8 *)(p)+7)<<56| \
(guint64)*((const guint8 *)(p)+6)<<48| \
(guint64)*((const guint8 *)(p)+5)<<40| \
(guint64)*((const guint8 *)(p)+4)<<32| \
(guint64)*((const guint8 *)(p)+3)<<24| \
(guint64)*((const guint8 *)(p)+2)<<16| \
(guint64)*((const guint8 *)(p)+1)<<8| \
(guint64)*((const guint8 *)(p)+0)<<0)
/* Pointer routines to put items out in a particular byte order.
* These will work regardless of the byte alignment of the pointer.
*/
#define phton16(p, v) \
{ \
((guint8*)(p))[0] = (guint8)((v) >> 8); \
((guint8*)(p))[1] = (guint8)((v) >> 0); \
}
#define phton32(p, v) \
{ \
((guint8*)(p))[0] = (guint8)((v) >> 24); \
((guint8*)(p))[1] = (guint8)((v) >> 16); \
((guint8*)(p))[2] = (guint8)((v) >> 8); \
((guint8*)(p))[3] = (guint8)((v) >> 0); \
}
static inline void phton64(guint8 *p, guint64 v) {
p[0] = (guint8)(v >> 56);
p[1] = (guint8)(v >> 48);
p[2] = (guint8)(v >> 40);
p[3] = (guint8)(v >> 32);
p[4] = (guint8)(v >> 24);
p[5] = (guint8)(v >> 16);
p[6] = (guint8)(v >> 8);
p[7] = (guint8)(v >> 0);
}
/* Subtract two guint32s with respect to wraparound */
#define guint32_wraparound_diff(higher, lower) ((higher>lower)?(higher-lower):(higher+0xffffffff-lower+1))
#endif /* PINT_H */
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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