contrib/flex/flexint.h

   1 /* flex integer type definitions */
   2
   3 #ifndef FLEXINT_H
   4 #define FLEXINT_H
   5
   6 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
   7
   8 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
   9
  10 /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
  11  * if you want the limit (max/min) macros for int types.
  12  */
  13 #ifndef __STDC_LIMIT_MACROS
  14 #define __STDC_LIMIT_MACROS 1
  15 #endif
  16
  17 #include <inttypes.h>
  18 typedef int8_t flex_int8_t;
  19 typedef uint8_t flex_uint8_t;
  20 typedef int16_t flex_int16_t;
  21 typedef uint16_t flex_uint16_t;
  22 typedef int32_t flex_int32_t;
  23 typedef uint32_t flex_uint32_t;
  24 #else
  25 typedef signed char flex_int8_t;
  26 typedef short int flex_int16_t;
  27 typedef int flex_int32_t;
  28 typedef unsigned char flex_uint8_t;
  29 typedef unsigned short int flex_uint16_t;
  30 typedef unsigned int flex_uint32_t;
  31
  32 /* Limits of integral types. */
  33 #ifndef INT8_MIN
  34 #define INT8_MIN               (-128)
  35 #endif
  36 #ifndef INT16_MIN
  37 #define INT16_MIN              (-32767-1)
  38 #endif
  39 #ifndef INT32_MIN
  40 #define INT32_MIN              (-2147483647-1)
  41 #endif
  42 #ifndef INT8_MAX
  43 #define INT8_MAX               (127)
  44 #endif
  45 #ifndef INT16_MAX
  46 #define INT16_MAX              (32767)
  47 #endif
  48 #ifndef INT32_MAX
  49 #define INT32_MAX              (2147483647)
  50 #endif
  51 #ifndef UINT8_MAX
  52 #define UINT8_MAX              (255U)
  53 #endif
  54 #ifndef UINT16_MAX
  55 #define UINT16_MAX             (65535U)
  56 #endif
  57 #ifndef UINT32_MAX
  58 #define UINT32_MAX             (4294967295U)
  59 #endif
  60
  61 #endif /* ! C99 */
  62
  63 #endif /* ! FLEXINT_H */