pike.git / src / pike_int_types.h

version» Context lines:

pike.git/src/pike_int_types.h:1: + /* Integer types with defined sizes. +  * +  * $Id: pike_int_types.h,v 1.1 2003/05/01 15:59:19 grubba 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_INT64 LONG_MAX + # define MIN_INT64 LONG_MIN + # elif SIZEOF_LONG_LONG - 0 >= 8 + # ifdef LLONG_MAX + # define MAX_INT64 LLONG_MAX + # define MIN_INT64 LLONG_MIN + # elif defined(LONG_LONG_MAX) + # define MAX_INT64 LONG_LONG_MAX + # define MIN_INT64 LONG_LONG_MIN + # else + # define MAX_INT64 0x7fffffffffffffffLL + # define MIN_INT64 (-0x7fffffffffffffffLL - 1LL) + # endif + # elif SIZEOF___INT64 - 0 >= 8 + # define MAX_INT64 _I64_MAX + # define MIN_INT64 _I64_MIN + # else +  /* We probably ought to warn here, but... */ + # 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_INT32 2147483647 + # define MIN_INT32 (-2147483647-1) + #endif +  + /* INT16 */ + #ifndef INT16 + # define INT16 short + #endif +  + /* and INT8 */ + #ifndef INT8 + # define INT8 char + #endif +  + #ifndef LONGEST + # ifdef INT64 + # define LONGEST INT64 + # else + # define LONGEST INT32 + # endif + #endif +    Newline at end of file added.