root/ext/binary/binary.h

INCLUDED FROM

DEFINITIONS

1. SCM_BE
2. SCM_LE
3. Endian

   1 /*
   2  * binaryio.h - Binary I/O routines
   3  *
   4  *   Copyright (c) 2004 Shiro Kawai, All rights reserved.
   5  * 
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  * 
  10  *   1. Redistributions of source code must retain the above copyright
  11  *      notice, this list of conditions and the following disclaimer.
  12  *
  13  *   2. Redistributions in binary form must reproduce the above copyright
  14  *      notice, this list of conditions and the following disclaimer in the
  15  *      documentation and/or other materials provided with the distribution.
  16  *
  17  *   3. Neither the name of the authors nor the names of its contributors
  18  *      may be used to endorse or promote products derived from this
  19  *      software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  27  *   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  28  *   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  29  *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  30  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31  *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  *  $Id: binary.h,v 1.2 2004/11/11 12:14:43 shirok Exp $
  34  */
  36 #include <gauche.h>
  37 #include <gauche/builtin-syms.h>
  39 /* endian check */
  40 typedef enum {
SCM_BE,
SCM_LE
  43 } Endian;
  45 #if WORDS_BIGENDIAN
  46 #define SWAP_REQUIRED(endian)  ((endian)!=SCM_BE)
  47 #else  /*!WORDS_BIGENDIAN*/
  48 #define SWAP_REQUIRED(endian)  ((endian)!=SCM_LE)
  49 #endif
  51 extern ScmObj Scm_ReadBinaryUint8(ScmObj port, Endian endian);
  52 extern ScmObj Scm_ReadBinaryUint16(ScmObj port, Endian endian);
  53 extern ScmObj Scm_ReadBinaryUint32(ScmObj port, Endian endian);
  54 extern ScmObj Scm_ReadBinaryUint64(ScmObj port, Endian endian);
  55 extern ScmObj Scm_ReadBinarySint8(ScmObj port, Endian endian);
  56 extern ScmObj Scm_ReadBinarySint16(ScmObj port, Endian endian);
  57 extern ScmObj Scm_ReadBinarySint32(ScmObj port, Endian endian);
  58 extern ScmObj Scm_ReadBinarySint64(ScmObj port, Endian endian);
  60 extern ScmObj Scm_ReadBinaryFloat(ScmObj port, Endian endian);
  61 extern ScmObj Scm_ReadBinaryDouble(ScmObj port, Endian endian);
  63 extern void Scm_WriteBinaryUint8(ScmObj val, ScmObj port, Endian endian);
  64 extern void Scm_WriteBinaryUint16(ScmObj val, ScmObj port, Endian endian);
  65 extern void Scm_WriteBinaryUint32(ScmObj val, ScmObj port, Endian endian);
  66 extern void Scm_WriteBinaryUint64(ScmObj val, ScmObj port, Endian endian);
  67 extern void Scm_WriteBinarySint8(ScmObj val, ScmObj port, Endian endian);
  68 extern void Scm_WriteBinarySint16(ScmObj val, ScmObj port, Endian endian);
  69 extern void Scm_WriteBinarySint32(ScmObj val, ScmObj port, Endian endian);
  70 extern void Scm_WriteBinarySint64(ScmObj val, ScmObj port, Endian endian);
  72 extern void Scm_WriteBinaryFloat(ScmObj val, ScmObj port, Endian endian);
  73 extern void Scm_WriteBinaryDouble(ScmObj val, ScmObj port, Endian endian);