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>
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
|
|
* sign_ext.h
|
|
*
|
|
* 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 __WSUTIL_SIGN_EXT_H__
|
|
#define __WSUTIL_SIGN_EXT_H__
|
|
|
|
#include <glib.h>
|
|
|
|
/* sign extension routines */
|
|
|
|
static inline guint32
|
|
ws_sign_ext32(guint32 val, int no_of_bits)
|
|
{
|
|
if (val & (1 << (no_of_bits-1)))
|
|
val |= (-1 << no_of_bits);
|
|
|
|
return val;
|
|
}
|
|
|
|
static inline guint64
|
|
ws_sign_ext64(guint64 val, int no_of_bits)
|
|
{
|
|
if (val & (G_GINT64_CONSTANT(1) << (no_of_bits-1)))
|
|
val |= (G_GINT64_CONSTANT(-1) << no_of_bits);
|
|
|
|
return val;
|
|
}
|
|
|
|
/*
|
|
static inline guint64
|
|
ws_sign_ext64(guint64 val, int no_of_bits)
|
|
{
|
|
gint64 sval = (val << (64 - no_of_bits));
|
|
|
|
return (guint64) (sval >> (64 - no_of_bits));
|
|
}
|
|
*/
|
|
|
|
#endif /* __WSUTIL_SIGN_EXT_H__ */
|