cairo/src/cairo-wideint-type-private.h

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2004 Keith Packard
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  * The Original Code is the cairo graphics library.
  29  *
  30  * The Initial Developer of the Original Code is Keith Packard
  31  *
  32  * Contributor(s):
  33  *      Keith R. Packard <keithp@keithp.com>
  34  *
  35  */
  36
  37 #ifndef CAIRO_WIDEINT_TYPE_H
  38 #define CAIRO_WIDEINT_TYPE_H
  39
  40 #include "cairo.h"
  41
  42 #if HAVE_CONFIG_H
  43 #include "config.h"
  44 #endif
  45
  46 #if   HAVE_STDINT_H
  47 # include <stdint.h>
  48 #elif HAVE_INTTYPES_H
  49 # include <inttypes.h>
  50 #elif HAVE_SYS_INT_TYPES_H
  51 # include <sys/int_types.h>
  52 #elif defined(_MSC_VER)
  53   typedef __int8 int8_t;
  54   typedef unsigned __int8 uint8_t;
  55   typedef __int16 int16_t;
  56   typedef unsigned __int16 uint16_t;
  57   typedef __int32 int32_t;
  58   typedef unsigned __int32 uint32_t;
  59   typedef __int64 int64_t;
  60   typedef unsigned __int64 uint64_t;
  61 # ifndef HAVE_UINT64_T
  62 #  define HAVE_UINT64_T 1
  63 # endif
  64 #else
  65 #error Cannot find definitions for fixed-width integral types (uint8_t, uint32_t, etc.)
  66 #endif
  67
  68 #ifndef INT16_MIN
  69 # define INT16_MIN      (-32767-1)
  70 #endif
  71 #ifndef INT16_MAX
  72 # define INT16_MAX      (32767)
  73 #endif
  74 #ifndef UINT16_MAX
  75 # define UINT16_MAX     (65535)
  76 #endif
  77 #ifndef INT32_MIN
  78 # define INT32_MIN      (-2147483647-1)
  79 #endif
  80 #ifndef INT32_MAX
  81 # define INT32_MAX      (2147483647)
  82 #endif
  83
  84 #if HAVE_BYTESWAP_H
  85 # include <byteswap.h>
  86 #endif
  87 #ifndef bswap_16
  88 # define bswap_16(p) \
  89         (((((uint16_t)(p)) & 0x00ff) << 8) | \
  90           (((uint16_t)(p))           >> 8));
  91 #endif
  92 #ifndef bswap_32
  93 # define bswap_32(p) \
  94          (((((uint32_t)(p)) & 0x000000ff) << 24) | \
  95           ((((uint32_t)(p)) & 0x0000ff00) << 8)  | \
  96           ((((uint32_t)(p)) & 0x00ff0000) >> 8)  | \
  97           ((((uint32_t)(p)))              >> 24));
  98 #endif
  99
 100
 101 #if !HAVE_UINT64_T
 102
 103 typedef struct _cairo_uint64 {
 104     uint32_t    lo, hi;
 105 } cairo_uint64_t, cairo_int64_t;
 106
 107 #else
 108
 109 typedef uint64_t    cairo_uint64_t;
 110 typedef int64_t     cairo_int64_t;
 111
 112 #endif
 113
 114 typedef struct _cairo_uquorem64 {
 115     cairo_uint64_t      quo;
 116     cairo_uint64_t      rem;
 117 } cairo_uquorem64_t;
 118
 119 typedef struct _cairo_quorem64 {
 120     cairo_int64_t       quo;
 121     cairo_int64_t       rem;
 122 } cairo_quorem64_t;
 123
 124
 125 #if !HAVE_UINT128_T
 126
 127 typedef struct cairo_uint128 {
 128     cairo_uint64_t      lo, hi;
 129 } cairo_uint128_t, cairo_int128_t;
 130
 131 #else
 132
 133 typedef uint128_t       cairo_uint128_t;
 134 typedef int128_t        cairo_int128_t;
 135
 136 #endif
 137
 138 typedef struct _cairo_uquorem128 {
 139     cairo_uint128_t     quo;
 140     cairo_uint128_t     rem;
 141 } cairo_uquorem128_t;
 142
 143 typedef struct _cairo_quorem128 {
 144     cairo_int128_t      quo;
 145     cairo_int128_t      rem;
 146 } cairo_quorem128_t;
 147
 148
 149 #endif /* CAIRO_WIDEINT_H */