pike.git/ src/ pike_int_types.h > 318a4102ae187b8a64b7ec946e92454917bae57f [Annotate]

/* Integer types with defined sizes. 

 * 

 * $Id: pike_int_types.h,v 1.3 2004/12/14 15:06:47 mast Exp $ 

 * 

 * Extracted from global.h 1.90 

 */ 

/* NB: This file is multiple-inclusion protected on a fine-grained level, 

 *     to support simple restoring of the macros if needed due to 

 *     system headerfile conflicts (eg <X11/Xmd.h> on AIX 4.2). 

 */ 

/* We here define a few types with more defined values */ 

/* First INT64 

 * 

 * Select variants in portability order: 

 *   long       C89/LP64 

 *   long long  C99 & gcc2 

 *   __int64    lc & icc 

 */ 

#ifndef INT64 

# if SIZEOF_LONG >= 8 

#  define INT64 long 

# elif SIZEOF_LONG_LONG - 0 >= 8 

#  define INT64 long long 

# elif SIZEOF___INT64 - 0 >= 8 

#  define INT64 __int64 

# endif 

#endif /* !INT64 */ 

/* NB: Use same order as in definition of INT64! */ 

#ifdef INT64 

# ifndef SIZEOF_INT64 

#  if SIZEOF_LONG >= 8 

#   define SIZEOF_INT64 SIZEOF_LONG 

#  elif SIZEOF_LONG_LONG - 0 >= 8 

#   define SIZEOF_INT64 SIZEOF_LONG_LONG 

#  elif SIZEOF___INT64 - 0 >= 8 

#   define SIZEOF_INT64 SIZEOF___INT64 

#  else 

    /* We probably ought to warn here, but... */ 

#   define SIZEOF_INT64 8 

#  endif 

# endif 

# ifndef MAX_INT64 

#  if SIZEOF_LONG >= 8 

#    define MAX_UINT64 ULONG_MAX 

#    define MAX_INT64 LONG_MAX 

#    define MIN_INT64 LONG_MIN 

#  elif SIZEOF_LONG_LONG - 0 >= 8 

#   ifdef LLONG_MAX 

#    define MAX_UINT64 ULLONG_MAX 

#    define MAX_INT64 LLONG_MAX 

#    define MIN_INT64 LLONG_MIN 

#   elif defined(LONG_LONG_MAX) 

#    define MAX_UINT64 ULONG_LONG_MAX 

#    define MAX_INT64 LONG_LONG_MAX 

#    define MIN_INT64 LONG_LONG_MIN 

#   else 

#    define MAX_UINT64 0xffffffffffffffffULL 

#    define MAX_INT64 0x7fffffffffffffffLL 

#    define MIN_INT64 (-0x7fffffffffffffffLL - 1LL) 

#   endif 

#  elif SIZEOF___INT64 - 0 >= 8 

#   define MAX_UINT64 _UI64_MAX 

#   define MAX_INT64 _I64_MAX 

#   define MIN_INT64 _I64_MIN 

#  else 

    /* We probably ought to warn here, but... */ 

#   define MAX_UINT64 0xffffffffffffffffULL 

#   define MAX_INT64 0x7fffffffffffffffLL 

#   define MIN_INT64 (-0x7fffffffffffffffLL - 1LL) 

#  endif 

# endif 

#endif 

/* Then INT32 */ 

#ifndef INT32 

# if SIZEOF_SHORT >= 4 

#  define INT32 short 

# elif SIZEOF_INT >= 4 

#  define INT32 int 

# else 

#  define INT32 long 

# endif 

#endif 

#ifndef MAX_INT32 

# define MAX_UINT32 4294967295U 

# define MAX_INT32 2147483647 

# define MIN_INT32 (-2147483647-1) 

#endif 

/* INT16 */ 

#ifndef INT16 

# define INT16 short 

#endif 

/* and INT8 */ 

#ifndef INT8 

# define INT8 char 

#endif 

#ifdef INT64 

# define LONGEST INT64 

# define PRINTLONGEST PRINTINT64 

# define MAX_ULONGEST MAX_UINT64 

# define MAX_LONGEST MAX_INT64 

# define MIN_LONGEST MIN_INT64 

#else 

# define LONGEST INT32 

# define PRINTLONGEST "" 

# define MAX_ULONGEST MAX_UINT32 

# define MAX_LONGEST MAX_INT32 

# define MIN_LONGEST MIN_INT32 

#endif 

#if SIZEOF_TIME_T == SIZEOF_INT 

# define MAX_TIME_T INT_MAX 

# define MIN_TIME_T INT_MIN 

#elif SIZEOF_TIME_T == SIZEOF_LONG 

# define MAX_TIME_T LONG_MAX 

# define MIN_TIME_T LONG_MIN 

#elif SIZEOF_TIME_T == SIZEOF_SHORT 

# define MAX_TIME_T SHORT_MAX 

# define MIN_TIME_T SHORT_MIN 

#elif SIZEOF_TIME_T == SIZEOF_INT64 

# define MAX_TIME_T MAX_INT64 

# define MIN_TIME_T MIN_INT64 

#else 

# define MAX_TIME_T MAX_INT32 

# define MIN_TIME_T MIN_INT32 

#endif