/* Generic bytes.h */
/* $OpenLDAP: pkg/ldap/include/ac/bytes.h,v 1.18.2.3 2007/01/02 21:43:47 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2007 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifndef _AC_BYTES_H
#define _AC_BYTES_H
/* cross compilers should define both AC_INT{2,4}_TYPE in CPPFLAGS */
#if !defined( AC_INT4_TYPE )
/* use autoconf defines to provide sized typedefs */
# if SIZEOF_LONG == 4
# define AC_INT4_TYPE long
# elif SIZEOF_INT == 4
# define AC_INT4_TYPE int
# elif SIZEOF_SHORT == 4
# define AC_INT4_TYPE short
# else
# error "AC_INT4_TYPE?"
# endif
#endif
typedef AC_INT4_TYPE ac_int4;
typedef signed AC_INT4_TYPE ac_sint4;
typedef unsigned AC_INT4_TYPE ac_uint4;
#if !defined( AC_INT2_TYPE )
# if SIZEOF_SHORT == 2
# define AC_INT2_TYPE short
# elif SIZEOF_INT == 2
# define AC_INT2_TYPE int
# elif SIZEOF_LONG == 2
# define AC_INT2_TYPE long
# else
# error "AC_INT2_TYPE?"
# endif
#endif
#if defined( AC_INT2_TYPE )
typedef AC_INT2_TYPE ac_int2;
typedef signed AC_INT2_TYPE ac_sint2;
typedef unsigned AC_INT2_TYPE ac_uint2;
#endif
#ifndef BYTE_ORDER
/* cross compilers should define BYTE_ORDER in CPPFLAGS */
/*
* Definitions for byte order, according to byte significance from low
* address to high.
*/
#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
/* assume autoconf's AC_C_BIGENDIAN has been ran */
/* if it hasn't, we assume (maybe falsely) the order is LITTLE ENDIAN */
# ifdef WORDS_BIGENDIAN
# define BYTE_ORDER BIG_ENDIAN
# else
# define BYTE_ORDER LITTLE_ENDIAN
# endif
#endif /* BYTE_ORDER */
#endif /* _AC_BYTES_H */
|
