source/libs/cairo/cairo-src/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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 #ifndef UINT32_MAX
  84 # define UINT32_MAX     (4294967295U)
  85 #endif
  86
  87 #if HAVE_BYTESWAP_H
  88 # include <byteswap.h>
  89 #endif
  90 #ifndef bswap_16
  91 # define bswap_16(p) \
  92         (((((uint16_t)(p)) & 0x00ff) << 8) | \
  93           (((uint16_t)(p))           >> 8));
  94 #endif
  95 #ifndef bswap_32
  96 # define bswap_32(p) \
  97          (((((uint32_t)(p)) & 0x000000ff) << 24) | \
  98           ((((uint32_t)(p)) & 0x0000ff00) << 8)  | \
  99           ((((uint32_t)(p)) & 0x00ff0000) >> 8)  | \
 100           ((((uint32_t)(p)))              >> 24));
 101 #endif
 102
 103
 104 #if !HAVE_UINT64_T
 105
 106 typedef struct _cairo_uint64 {
 107     uint32_t    lo, hi;
 108 } cairo_uint64_t, cairo_int64_t;
 109
 110 #else
 111
 112 typedef uint64_t    cairo_uint64_t;
 113 typedef int64_t     cairo_int64_t;
 114
 115 #endif
 116
 117 typedef struct _cairo_uquorem64 {
 118     cairo_uint64_t      quo;
 119     cairo_uint64_t      rem;
 120 } cairo_uquorem64_t;
 121
 122 typedef struct _cairo_quorem64 {
 123     cairo_int64_t       quo;
 124     cairo_int64_t       rem;
 125 } cairo_quorem64_t;
 126
 127 /* gcc has a non-standard name. */
 128 #if HAVE___UINT128_T && !HAVE_UINT128_T
 129 typedef __uint128_t uint128_t;
 130 typedef __int128_t int128_t;
 131 #define HAVE_UINT128_T 1
 132 #endif
 133
 134 #if !HAVE_UINT128_T
 135
 136 typedef struct cairo_uint128 {
 137     cairo_uint64_t      lo, hi;
 138 } cairo_uint128_t, cairo_int128_t;
 139
 140 #else
 141
 142 typedef uint128_t       cairo_uint128_t;
 143 typedef int128_t        cairo_int128_t;
 144
 145 #endif
 146
 147 typedef struct _cairo_uquorem128 {
 148     cairo_uint128_t     quo;
 149     cairo_uint128_t     rem;
 150 } cairo_uquorem128_t;
 151
 152 typedef struct _cairo_quorem128 {
 153     cairo_int128_t      quo;
 154     cairo_int128_t      rem;
 155 } cairo_quorem128_t;
 156
 157
 158 #endif /* CAIRO_WIDEINT_H */