grub-core/lib/libgcrypt-grub/src/types.h

   1 /* types.h - some common typedefs
   2  *      Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
   3  *
   4  * This file is part of Libgcrypt.
   5  *
   6  * Libgcrypt is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser general Public License as
   8  * published by the Free Software Foundation; either version 2.1 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * Libgcrypt is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  19  */
  20
  21 #ifndef GCRYPT_TYPES_H
  22 #define GCRYPT_TYPES_H
  23
  24
  25 /* The AC_CHECK_SIZEOF() in configure fails for some machines.
  26  * we provide some fallback values here */
  27 #if !SIZEOF_UNSIGNED_SHORT
  28 #undef SIZEOF_UNSIGNED_SHORT
  29 #define SIZEOF_UNSIGNED_SHORT 2
  30 #endif
  31 #if !SIZEOF_UNSIGNED_INT
  32 #undef SIZEOF_UNSIGNED_INT
  33 #define SIZEOF_UNSIGNED_INT 4
  34 #endif
  35 #if !SIZEOF_UNSIGNED_LONG
  36 #undef SIZEOF_UNSIGNED_LONG
  37 #define SIZEOF_UNSIGNED_LONG 4
  38 #endif
  39
  40
  41 #include <sys/types.h>
  42
  43
  44 #ifndef HAVE_BYTE_TYPEDEF
  45 #undef byte         /* maybe there is a macro with this name */
  46 /* Windows typedefs byte in the rpc headers.  Avoid warning about
  47    double definition.  */
  48 #if !(defined(_WIN32) && defined(cbNDRContext))
  49   typedef unsigned char byte;
  50 #endif
  51 #define HAVE_BYTE_TYPEDEF
  52 #endif
  53
  54 #ifndef HAVE_USHORT_TYPEDEF
  55 #undef ushort     /* maybe there is a macro with this name */
  56   typedef unsigned short ushort;
  57 #define HAVE_USHORT_TYPEDEF
  58 #endif
  59
  60 #ifndef HAVE_ULONG_TYPEDEF
  61 #undef ulong        /* maybe there is a macro with this name */
  62   typedef unsigned long ulong;
  63 #define HAVE_ULONG_TYPEDEF
  64 #endif
  65
  66 #ifndef HAVE_U16_TYPEDEF
  67 #undef u16          /* maybe there is a macro with this name */
  68 #if SIZEOF_UNSIGNED_INT == 2
  69     typedef unsigned int   u16;
  70 #elif SIZEOF_UNSIGNED_SHORT == 2
  71     typedef unsigned short u16;
  72 #else
  73 #error no typedef for u16
  74 #endif
  75 #define HAVE_U16_TYPEDEF
  76 #endif
  77
  78 #ifndef HAVE_U32_TYPEDEF
  79 #undef u32          /* maybe there is a macro with this name */
  80 #if SIZEOF_UNSIGNED_INT == 4
  81     typedef unsigned int u32;
  82 #elif SIZEOF_UNSIGNED_LONG == 4
  83     typedef unsigned long u32;
  84 #else
  85 #error no typedef for u32
  86 #endif
  87 #define HAVE_U32_TYPEDEF
  88 #endif
  89
  90 /****************
  91  * Warning: Some systems segfault when this u64 typedef and
  92  * the dummy code in cipher/md.c is not available.  Examples are
  93  * Solaris and IRIX.
  94  */
  95 #ifndef HAVE_U64_TYPEDEF
  96 #undef u64          /* maybe there is a macro with this name */
  97 #if SIZEOF_UNSIGNED_INT == 8
  98     typedef unsigned int u64;
  99 #define U64_C(c) (c ## U)
 100 #define HAVE_U64_TYPEDEF
 101 #elif SIZEOF_UNSIGNED_LONG == 8
 102     typedef unsigned long u64;
 103 #define U64_C(c) (c ## UL)
 104 #define HAVE_U64_TYPEDEF
 105 #elif SIZEOF_UNSIGNED_LONG_LONG == 8
 106     typedef unsigned long long u64;
 107 #define U64_C(c) (c ## ULL)
 108 #define HAVE_U64_TYPEDEF
 109 #elif SIZEOF_UINT64_T == 8
 110     typedef uint64_t u64;
 111 #define U64_C(c) (UINT64_C(c))
 112 #define HAVE_U64_TYPEDEF
 113 #endif
 114 #endif
 115
 116 typedef union {
 117     int a;
 118     short b;
 119     char c[1];
 120     long d;
 121 #ifdef HAVE_U64_TYPEDEF
 122     u64 e;
 123 #endif
 124
 125
 126 } PROPERLY_ALIGNED_TYPE;
 127
 128 #endif /*GCRYPT_TYPES_H*/