BaseTools/Source/C/BrotliCompress/common/types.h

   1 /* Copyright 2013 Google Inc. All Rights Reserved.
   2
   3    Distributed under MIT license.
   4    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
   5 */
   6
   7 /* Common types */
   8
   9 #ifndef BROTLI_COMMON_TYPES_H_
  10 #define BROTLI_COMMON_TYPES_H_
  11
  12 #include <stddef.h>  /* for size_t */
  13
  14 #if defined(_MSC_VER) && (_MSC_VER < 1600)
  15 typedef __int8 int8_t;
  16 typedef unsigned __int8 uint8_t;
  17 typedef __int16 int16_t;
  18 typedef unsigned __int16 uint16_t;
  19 typedef __int32 int32_t;
  20 typedef unsigned __int32 uint32_t;
  21 typedef unsigned __int64 uint64_t;
  22 typedef __int64 int64_t;
  23 #else
  24 #include <stdint.h>
  25 #endif  /* defined(_MSC_VER) && (_MSC_VER < 1600) */
  26
  27 #if (!defined(_MSC_VER) || (_MSC_VER >= 1800)) && \
  28   (defined(__cplusplus) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L))
  29 #include <stdbool.h>
  30 #define BROTLI_BOOL bool
  31 #define BROTLI_TRUE true
  32 #define BROTLI_FALSE false
  33 #define TO_BROTLI_BOOL(X) (!!(X))
  34 #else
  35 typedef enum {
  36   BROTLI_FALSE = 0,
  37   BROTLI_TRUE = !BROTLI_FALSE
  38 } BROTLI_BOOL;
  39 #define TO_BROTLI_BOOL(X) (!!(X) ? BROTLI_TRUE : BROTLI_FALSE)
  40 #endif
  41
  42 #define MAKE_UINT64_T(high, low) ((((uint64_t)(high)) << 32) | low)
  43
  44 #define BROTLI_UINT32_MAX (~((uint32_t)0))
  45 #define BROTLI_SIZE_MAX (~((size_t)0))
  46
  47 /* Allocating function pointer. Function MUST return 0 in the case of failure.
  48    Otherwise it MUST return a valid pointer to a memory region of at least
  49    size length. Neither items nor size are allowed to be 0.
  50    opaque argument is a pointer provided by client and could be used to bind
  51    function to specific object (memory pool). */
  52 typedef void* (*brotli_alloc_func)(void* opaque, size_t size);
  53
  54 /* Deallocating function pointer. Function SHOULD be no-op in the case the
  55    address is 0. */
  56 typedef void (*brotli_free_func)(void* opaque, void* address);
  57
  58 #endif  /* BROTLI_COMMON_TYPES_H_ */