gimp/plug-ins/file-dds/endian_rw.h

70 lines
2.2 KiB
C

/*
* DDS GIMP plugin
*
* Copyright (C) 2004-2012 Shawn Kirst <skirst@gmail.com>,
* with parts (C) 2003 Arne Reuter <homepage@arnereuter.de> where specified.
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef __ENDIAN_RW_H__
#define __ENDIAN_RW_H__
#define GETL64(buf) \
(((unsigned long long)(buf)[0] ) | \
((unsigned long long)(buf)[1] << 8) | \
((unsigned long long)(buf)[2] << 16) | \
((unsigned long long)(buf)[3] << 24) | \
((unsigned long long)(buf)[4] << 32) | \
((unsigned long long)(buf)[5] << 40) | \
((unsigned long long)(buf)[6] << 48) | \
((unsigned long long)(buf)[7] << 56))
#define GETL32(buf) \
(((unsigned int)(buf)[0] ) | \
((unsigned int)(buf)[1] << 8) | \
((unsigned int)(buf)[2] << 16) | \
((unsigned int)(buf)[3] << 24))
#define GETL24(buf) \
(((unsigned int)(buf)[0] ) | \
((unsigned int)(buf)[1] << 8) | \
((unsigned int)(buf)[2] << 16))
#define GETL16(buf) \
(((unsigned short)(buf)[0] ) | \
((unsigned short)(buf)[1] << 8))
#define PUTL16(buf, s) \
(buf)[0] = ((s) ) & 0xff; \
(buf)[1] = ((s) >> 8) & 0xff;
#define PUTL32(buf, l) \
(buf)[0] = ((l) ) & 0xff; \
(buf)[1] = ((l) >> 8) & 0xff; \
(buf)[2] = ((l) >> 16) & 0xff; \
(buf)[3] = ((l) >> 24) & 0xff;
#define PUTL64(buf, ll) \
(buf)[0] = ((ll) ) & 0xff; \
(buf)[1] = ((ll) >> 8) & 0xff; \
(buf)[2] = ((ll) >> 16) & 0xff; \
(buf)[3] = ((ll) >> 24) & 0xff; \
(buf)[4] = ((ll) >> 32) & 0xff; \
(buf)[5] = ((ll) >> 40) & 0xff; \
(buf)[6] = ((ll) >> 48) & 0xff; \
(buf)[7] = ((ll) >> 56) & 0xff;
#endif /* __ENDIAN_RW_H__ */