4 * Copyright 1998-2003 The OpenLDAP Foundation, Redwood City, California, USA
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
9 * Public License. A copy of this license is available at
10 * http://www.OpenLDAP.org/license.html or in file LICENSE in the
11 * top-level directory of the distribution.
17 /* cross compilers should define both AC_INT{2,4}_TYPE in CPPFLAGS */
19 #if !defined( AC_INT4_TYPE )
20 /* use autoconf defines to provide sized typedefs */
22 # define AC_INT4_TYPE long
23 # elif SIZEOF_INT == 4
24 # define AC_INT4_TYPE int
25 # elif SIZEOF_SHORT == 4
26 # define AC_INT4_TYPE short
28 # error "AC_INT4_TYPE?"
32 typedef AC_INT4_TYPE ac_int4;
33 typedef signed AC_INT4_TYPE ac_sint4;
34 typedef unsigned AC_INT4_TYPE ac_uint4;
36 #if !defined( AC_INT2_TYPE )
37 # if SIZEOF_SHORT == 2
38 # define AC_INT2_TYPE short
39 # elif SIZEOF_INT == 2
40 # define AC_INT2_TYPE int
41 # elif SIZEOF_LONG == 2
42 # define AC_INT2_TYPE long
44 # error "AC_INT2_TYPE?"
48 #if defined( AC_INT2_TYPE )
49 typedef AC_INT2_TYPE ac_int2;
50 typedef signed AC_INT2_TYPE ac_sint2;
51 typedef unsigned AC_INT2_TYPE ac_uint2;
55 /* cross compilers should define BYTE_ORDER in CPPFLAGS */
58 * Definitions for byte order, according to byte significance from low
61 #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
62 #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
63 #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
65 /* assume autoconf's AC_C_BIGENDIAN has been ran */
66 /* if it hasn't, we assume (maybe falsely) the order is LITTLE ENDIAN */
67 # ifdef WORDS_BIGENDIAN
68 # define BYTE_ORDER BIG_ENDIAN
70 # define BYTE_ORDER LITTLE_ENDIAN
73 #endif /* BYTE_ORDER */
75 #endif /* _AC_BYTES_H */