sdk/build-tools/25.0.2/renderscript/clang-include/limits.h

   1 /*===---- limits.h - Standard header for integer sizes --------------------===*\
   2  *
   3  * Copyright (c) 2009 Chris Lattner
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21  * THE SOFTWARE.
  22  *
  23 \*===----------------------------------------------------------------------===*/
  24
  25 #ifndef __CLANG_LIMITS_H
  26 #define __CLANG_LIMITS_H
  27
  28 /* The system's limits.h may, in turn, try to #include_next GCC's limits.h.
  29    Avert this #include_next madness. */
  30 #if defined __GNUC__ && !defined _GCC_LIMITS_H_
  31 #define _GCC_LIMITS_H_
  32 #endif
  33
  34 /* System headers include a number of constants from POSIX in <limits.h>.
  35    Include it if we're hosted. */
  36 #if __STDC_HOSTED__ && __has_include_next(<limits.h>)
  37 #include_next <limits.h>
  38 #endif
  39
  40 /* Many system headers try to "help us out" by defining these.  No really, we
  41    know how big each datatype is. */
  42 #undef  SCHAR_MIN
  43 #undef  SCHAR_MAX
  44 #undef  UCHAR_MAX
  45 #undef  SHRT_MIN
  46 #undef  SHRT_MAX
  47 #undef  USHRT_MAX
  48 #undef  INT_MIN
  49 #undef  INT_MAX
  50 #undef  UINT_MAX
  51 #undef  LONG_MIN
  52 #undef  LONG_MAX
  53 #undef  ULONG_MAX
  54
  55 #undef  CHAR_BIT
  56 #undef  CHAR_MIN
  57 #undef  CHAR_MAX
  58
  59 /* C90/99 5.2.4.2.1 */
  60 #define SCHAR_MAX __SCHAR_MAX__
  61 #define SHRT_MAX  __SHRT_MAX__
  62 #define INT_MAX   __INT_MAX__
  63 #define LONG_MAX  __LONG_MAX__
  64
  65 #define SCHAR_MIN (-__SCHAR_MAX__-1)
  66 #define SHRT_MIN  (-__SHRT_MAX__ -1)
  67 #define INT_MIN   (-__INT_MAX__  -1)
  68 #define LONG_MIN  (-__LONG_MAX__ -1L)
  69
  70 #define UCHAR_MAX (__SCHAR_MAX__*2  +1)
  71 #define USHRT_MAX (__SHRT_MAX__ *2  +1)
  72 #define UINT_MAX  (__INT_MAX__  *2U +1U)
  73 #define ULONG_MAX (__LONG_MAX__ *2UL+1UL)
  74
  75 #ifndef MB_LEN_MAX
  76 #define MB_LEN_MAX 1
  77 #endif
  78
  79 #define CHAR_BIT  __CHAR_BIT__
  80
  81 #ifdef __CHAR_UNSIGNED__  /* -funsigned-char */
  82 #define CHAR_MIN 0
  83 #define CHAR_MAX UCHAR_MAX
  84 #else
  85 #define CHAR_MIN SCHAR_MIN
  86 #define CHAR_MAX __SCHAR_MAX__
  87 #endif
  88
  89 /* C99 5.2.4.2.1: Added long long.
  90    C++11 18.3.3.2: same contents as the Standard C Library header <limits.h>.
  91  */
  92 #if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L
  93
  94 #undef  LLONG_MIN
  95 #undef  LLONG_MAX
  96 #undef  ULLONG_MAX
  97
  98 #define LLONG_MAX  __LONG_LONG_MAX__
  99 #define LLONG_MIN  (-__LONG_LONG_MAX__-1LL)
 100 #define ULLONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL)
 101 #endif
 102
 103 /* LONG_LONG_MIN/LONG_LONG_MAX/ULONG_LONG_MAX are a GNU extension.  It's too bad
 104    that we don't have something like #pragma poison that could be used to
 105    deprecate a macro - the code should just use LLONG_MAX and friends.
 106  */
 107 #if defined(__GNU_LIBRARY__) ? defined(__USE_GNU) : !defined(__STRICT_ANSI__)
 108
 109 #undef   LONG_LONG_MIN
 110 #undef   LONG_LONG_MAX
 111 #undef   ULONG_LONG_MAX
 112
 113 #define LONG_LONG_MAX  __LONG_LONG_MAX__
 114 #define LONG_LONG_MIN  (-__LONG_LONG_MAX__-1LL)
 115 #define ULONG_LONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL)
 116 #endif
 117
 118 #endif /* __CLANG_LIMITS_H */