forked from osmocom/wireshark
![Alexis La Goutte](/assets/img/avatar_default.png)
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
141 lines
6.1 KiB
C
141 lines
6.1 KiB
C
/* pint.h
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* Definitions for extracting and translating integers safely and portably
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* via pointers.
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __PINT_H__
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#define __PINT_H__
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#include <glib.h>
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/* Pointer versions of g_ntohs and g_ntohl. Given a pointer to a member of a
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* byte array, returns the value of the two or four bytes at the pointer.
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* The pletohXX versions return the little-endian representation.
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*/
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#define pntoh16(p) ((guint16) \
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((guint16)*((const guint8 *)(p)+0)<<8| \
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(guint16)*((const guint8 *)(p)+1)<<0))
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#define pntoh24(p) ((guint32)*((const guint8 *)(p)+0)<<16| \
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(guint32)*((const guint8 *)(p)+1)<<8| \
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(guint32)*((const guint8 *)(p)+2)<<0)
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#define pntoh32(p) ((guint32)*((const guint8 *)(p)+0)<<24| \
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(guint32)*((const guint8 *)(p)+1)<<16| \
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(guint32)*((const guint8 *)(p)+2)<<8| \
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(guint32)*((const guint8 *)(p)+3)<<0)
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#define pntoh40(p) ((guint64)*((const guint8 *)(p)+0)<<32| \
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(guint64)*((const guint8 *)(p)+1)<<24| \
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(guint64)*((const guint8 *)(p)+2)<<16| \
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(guint64)*((const guint8 *)(p)+3)<<8| \
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(guint64)*((const guint8 *)(p)+4)<<0)
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#define pntoh48(p) ((guint64)*((const guint8 *)(p)+0)<<40| \
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(guint64)*((const guint8 *)(p)+1)<<32| \
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(guint64)*((const guint8 *)(p)+2)<<24| \
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(guint64)*((const guint8 *)(p)+3)<<16| \
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(guint64)*((const guint8 *)(p)+4)<<8| \
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(guint64)*((const guint8 *)(p)+5)<<0)
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#define pntoh56(p) ((guint64)*((const guint8 *)(p)+0)<<48| \
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(guint64)*((const guint8 *)(p)+1)<<40| \
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(guint64)*((const guint8 *)(p)+2)<<32| \
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(guint64)*((const guint8 *)(p)+3)<<24| \
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(guint64)*((const guint8 *)(p)+4)<<16| \
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(guint64)*((const guint8 *)(p)+5)<<8| \
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(guint64)*((const guint8 *)(p)+6)<<0)
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#define pntoh64(p) ((guint64)*((const guint8 *)(p)+0)<<56| \
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(guint64)*((const guint8 *)(p)+1)<<48| \
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(guint64)*((const guint8 *)(p)+2)<<40| \
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(guint64)*((const guint8 *)(p)+3)<<32| \
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(guint64)*((const guint8 *)(p)+4)<<24| \
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(guint64)*((const guint8 *)(p)+5)<<16| \
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(guint64)*((const guint8 *)(p)+6)<<8| \
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(guint64)*((const guint8 *)(p)+7)<<0)
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#define pletoh16(p) ((guint16) \
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((guint16)*((const guint8 *)(p)+1)<<8| \
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(guint16)*((const guint8 *)(p)+0)<<0))
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#define pletoh24(p) ((guint32)*((const guint8 *)(p)+2)<<16| \
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(guint32)*((const guint8 *)(p)+1)<<8| \
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(guint32)*((const guint8 *)(p)+0)<<0)
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#define pletoh32(p) ((guint32)*((const guint8 *)(p)+3)<<24| \
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(guint32)*((const guint8 *)(p)+2)<<16| \
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(guint32)*((const guint8 *)(p)+1)<<8| \
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(guint32)*((const guint8 *)(p)+0)<<0)
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#define pletoh40(p) ((guint64)*((const guint8 *)(p)+4)<<32| \
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(guint64)*((const guint8 *)(p)+3)<<24| \
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(guint64)*((const guint8 *)(p)+2)<<16| \
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(guint64)*((const guint8 *)(p)+1)<<8| \
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(guint64)*((const guint8 *)(p)+0)<<0)
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#define pletoh48(p) ((guint64)*((const guint8 *)(p)+5)<<40| \
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(guint64)*((const guint8 *)(p)+4)<<32| \
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(guint64)*((const guint8 *)(p)+3)<<24| \
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(guint64)*((const guint8 *)(p)+2)<<16| \
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(guint64)*((const guint8 *)(p)+1)<<8| \
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(guint64)*((const guint8 *)(p)+0)<<0)
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#define pletoh56(p) ((guint64)*((const guint8 *)(p)+6)<<48| \
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(guint64)*((const guint8 *)(p)+5)<<40| \
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(guint64)*((const guint8 *)(p)+4)<<32| \
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(guint64)*((const guint8 *)(p)+3)<<24| \
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(guint64)*((const guint8 *)(p)+2)<<16| \
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(guint64)*((const guint8 *)(p)+1)<<8| \
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(guint64)*((const guint8 *)(p)+0)<<0)
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#define pletoh64(p) ((guint64)*((const guint8 *)(p)+7)<<56| \
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(guint64)*((const guint8 *)(p)+6)<<48| \
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(guint64)*((const guint8 *)(p)+5)<<40| \
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(guint64)*((const guint8 *)(p)+4)<<32| \
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(guint64)*((const guint8 *)(p)+3)<<24| \
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(guint64)*((const guint8 *)(p)+2)<<16| \
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(guint64)*((const guint8 *)(p)+1)<<8| \
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(guint64)*((const guint8 *)(p)+0)<<0)
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/* Pointer routines to put items out in a particular byte order.
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* These will work regardless of the byte alignment of the pointer.
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*/
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#define phton16(p, v) \
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{ \
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((guint8*)(p))[0] = (guint8)((v) >> 8); \
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((guint8*)(p))[1] = (guint8)((v) >> 0); \
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}
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#define phton32(p, v) \
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{ \
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((guint8*)(p))[0] = (guint8)((v) >> 24); \
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((guint8*)(p))[1] = (guint8)((v) >> 16); \
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((guint8*)(p))[2] = (guint8)((v) >> 8); \
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((guint8*)(p))[3] = (guint8)((v) >> 0); \
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}
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#endif /* PINT_H */
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