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Diffstat (limited to 'src/kvilib/system/kvi_byteorder.h')
-rw-r--r-- | src/kvilib/system/kvi_byteorder.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/kvilib/system/kvi_byteorder.h b/src/kvilib/system/kvi_byteorder.h new file mode 100644 index 00000000..dea1902d --- /dev/null +++ b/src/kvilib/system/kvi_byteorder.h @@ -0,0 +1,62 @@ +#ifndef _KVI_BYTEORDER_H_ +#define _KVI_BYTEORDER_H_ + +//============================================================================= +// +// File : kvi_byteorder.h +// Creation date : Mon Dec 25 2006 19:56:16 CEST by Szymon Stefanek +// +// This file is part of the KVirc irc client distribution +// Copyright (C) 2006 Szymon Stefanek (pragma at kvirc dot net) +// +// 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 opinion) 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. +// +//============================================================================= + +#include "kvi_settings.h" +#include "kvi_bswap.h" +#include "kvi_inttypes.h" + + +// +// Byte Orders Reminder +// Number 0xaabbccdd +// Little Endian Stores 0xdd 0xcc 0xbb 0xaa +// Big Endian Stores 0xaa 0xbb 0xcc 0xdd +// Perverse Middle Endian 0xbb 0xaa 0xdd 0xcc or another braindamaged combination (unsupported) +// Network Byte Order is Big Endian +// Intel Stuff uses Little Endian +// + +#ifdef BIG_ENDIAN_MACHINE_BYTE_ORDER + #define kvi_localCpuToLittleEndian16(u) kvi_swap16((kvi_u16_t)(u)) + #define kvi_localCpuToLittleEndian32(u) kvi_swap32((kvi_u32_t)(u)) + #define kvi_localCpuToLittleEndian64(u) kvi_swap64((kvi_u64_t)(u)) + #define kvi_littleEndianToLocalCpu16(u) kvi_swap16((kvi_u16_t)(u)) + #define kvi_littleEndianToLocalCpu32(u) kvi_swap32((kvi_u32_t)(u)) + #define kvi_littleEndianToLocalCpu64(u) kvi_swap64((kvi_u64_t)(u)) +#else + // We ASSUME that the local cpu is little endian.. if it isn't.. well :) + #define LOCAL_CPU_LITTLE_ENDIAN + #define kvi_localCpuToLittleEndian16(u) (u) + #define kvi_localCpuToLittleEndian32(u) (u) + #define kvi_localCpuToLittleEndian64(u) (u) + #define kvi_littleEndianToLocalCpu16(u) (u) + #define kvi_littleEndianToLocalCpu32(u) (u) + #define kvi_littleEndianToLocalCpu64(u) (u) +#endif + + +#endif // !_KVI_BYTEORDER_H_ |