1998-11-17 17:49:15 -05:00
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/* Generic bytes.h */
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1998-12-28 14:51:35 -05:00
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/*
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* Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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1998-11-17 17:49:15 -05:00
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#ifndef _AC_BYTES_H
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#define _AC_BYTES_H
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#if defined( LDAP_INT4_TYPE ) && defined( LDAP_INT2_TYPE )
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/* cross compilers should define LDAP_INT{2,4}_TYPE in CPPFLAS */
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typedef LDAP_INT4_TYPE LDAP_INT4;
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typedef signed LDAP_INT4_TYPE LDAP_SINT4;
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typedef unsigned LDAP_INT4_TYPE LDAP_UINT4;
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typedef LDAP_INT2_TYPE LDAP_INT2;
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typedef signed LDAP_INT2_TYPE LDAP_SINT2;
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typedef unsigned LDAP_INT2_TYPE LDAP_UINT2;
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#else
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/* use autoconf defines to provide sized typedefs */
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# if SIZEOF_LONG == 4
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typedef long LDAP_INT4;
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typedef signed long LDAP_SINT4;
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typedef unsigned long LDAP_UINT4;
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# elif SIZEOF_INT == 4
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typedef int LDAP_INT4;
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typedef signed int LDAP_SINT4;
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typedef unsigned int LDAP_UINT4;
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# endif
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# if SIZEOF_SHORT == 2
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typedef short LDAP_INT2;
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typedef signed short LDAP_SINT2;
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typedef unsigned short LDAP_UINT2;
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# elif SIZEOF_INT == 2
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typedef int LDAP_INT2;
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typedef signed int LDAP_SINT2;
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typedef unsigned int LDAP_UINT2;
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# endif
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#endif
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#ifndef BYTE_ORDER
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/* cross compilers should define BYTE_ORDER in CPPFLAGS */
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/*
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* Definitions for byte order, according to byte significance from low
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* address to high.
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*/
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#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
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#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
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#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
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/* assume autoconf's AC_C_BIGENDIAN has been ran */
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/* if it hasn't, we assume (maybe falsely) the order is LITTLE ENDIAN */
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# ifdef WORDS_BIGENDIAN
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# define BYTE_ORDER BIG_ENDIAN
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# else
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# define BYTE_ORDER LITTLE_ENDIAN
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# endif
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#endif /* BYTE_ORDER */
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#endif /* _AC_BYTES_H */
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