641 lines
21 KiB
C
641 lines
21 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2014-2015 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STIX_CMN_H_
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#define _STIX_CMN_H_
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/* WARNING: NEVER CHANGE/DELETE THE FOLLOWING STIX_HAVE_CFG_H DEFINITION.
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* IT IS USED FOR DEPLOYMENT BY MAKEFILE.AM */
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/*#define STIX_HAVE_CFG_H*/
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#if defined(STIX_HAVE_CFG_H)
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# include "stix-cfg.h"
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#elif defined(_WIN32)
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# include "stix-msw.h"
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#elif defined(__OS2__)
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# include "stix-os2.h"
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#elif defined(__MSDOS__)
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# include "stix-dos.h"
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#elif defined(macintosh)
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# include "stix-mac.h" /* class mac os */
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#else
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# error UNSUPPORTED SYSTEM
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#endif
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#if defined(EMSCRIPTEN)
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# if defined(STIX_SIZEOF___INT128)
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# undef STIX_SIZEOF___INT128
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# define STIX_SIZEOF___INT128 0
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# endif
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# if defined(STIX_SIZEOF_LONG) && defined(STIX_SIZEOF_INT) && (STIX_SIZEOF_LONG > STIX_SIZEOF_INT)
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/* autoconf doesn't seem to match actual emscripten */
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# undef STIX_SIZEOF_LONG
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# define STIX_SIZEOF_LONG STIX_SIZEOF_INT
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# endif
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#endif
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/* =========================================================================
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* PRIMITIVE TYPE DEFINTIONS
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* ========================================================================= */
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/* stix_int8_t */
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#if defined(STIX_SIZEOF_CHAR) && (STIX_SIZEOF_CHAR == 1)
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# define STIX_HAVE_UINT8_T
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# define STIX_HAVE_INT8_T
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typedef unsigned char stix_uint8_t;
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typedef signed char stix_int8_t;
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#elif defined(STIX_SIZEOF___INT8) && (STIX_SIZEOF___INT8 == 1)
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# define STIX_HAVE_UINT8_T
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# define STIX_HAVE_INT8_T
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typedef unsigned __int8 stix_uint8_t;
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typedef signed __int8 stix_int8_t;
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#elif defined(STIX_SIZEOF___INT8_T) && (STIX_SIZEOF___INT8_T == 1)
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# define STIX_HAVE_UINT8_T
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# define STIX_HAVE_INT8_T
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typedef unsigned __int8_t stix_uint8_t;
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typedef signed __int8_t stix_int8_t;
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#else
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# define STIX_HAVE_UINT8_T
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# define STIX_HAVE_INT8_T
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typedef unsigned char stix_uint8_t;
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typedef signed char stix_int8_t;
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#endif
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/* stix_int16_t */
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#if defined(STIX_SIZEOF_SHORT) && (STIX_SIZEOF_SHORT == 2)
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# define STIX_HAVE_UINT16_T
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# define STIX_HAVE_INT16_T
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typedef unsigned short int stix_uint16_t;
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typedef signed short int stix_int16_t;
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#elif defined(STIX_SIZEOF___INT16) && (STIX_SIZEOF___INT16 == 2)
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# define STIX_HAVE_UINT16_T
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# define STIX_HAVE_INT16_T
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typedef unsigned __int16 stix_uint16_t;
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typedef signed __int16 stix_int16_t;
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#elif defined(STIX_SIZEOF___INT16_T) && (STIX_SIZEOF___INT16_T == 2)
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# define STIX_HAVE_UINT16_T
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# define STIX_HAVE_INT16_T
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typedef unsigned __int16_t stix_uint16_t;
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typedef signed __int16_t stix_int16_t;
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#else
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# define STIX_HAVE_UINT16_T
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# define STIX_HAVE_INT16_T
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typedef unsigned short int stix_uint16_t;
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typedef signed short int stix_int16_t;
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#endif
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/* stix_int32_t */
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#if defined(STIX_SIZEOF_INT) && (STIX_SIZEOF_INT == 4)
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned int stix_uint32_t;
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typedef signed int stix_int32_t;
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#elif defined(STIX_SIZEOF_LONG) && (STIX_SIZEOF_LONG == 4)
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned long stix_uint32_t;
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typedef signed long stix_int32_t;
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#elif defined(STIX_SIZEOF___INT32) && (STIX_SIZEOF___INT32 == 4)
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned __int32 stix_uint32_t;
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typedef signed __int32 stix_int32_t;
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#elif defined(STIX_SIZEOF___INT32_T) && (STIX_SIZEOF___INT32_T == 4)
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned __int32_t stix_uint32_t;
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typedef signed __int32_t stix_int32_t;
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#elif defined(__MSDOS__)
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned long int stix_uint32_t;
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typedef signed long int stix_int32_t;
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#else
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# define STIX_HAVE_UINT32_T
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# define STIX_HAVE_INT32_T
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typedef unsigned int stix_uint32_t;
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typedef signed int stix_int32_t;
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#endif
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/* stix_int64_t */
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#if defined(STIX_SIZEOF_INT) && (STIX_SIZEOF_INT == 8)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned int stix_uint64_t;
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typedef signed int stix_int64_t;
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#elif defined(STIX_SIZEOF_LONG) && (STIX_SIZEOF_LONG == 8)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned long stix_uint64_t;
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typedef signed long stix_int64_t;
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#elif defined(STIX_SIZEOF_LONG_LONG) && (STIX_SIZEOF_LONG_LONG == 8)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned long long stix_uint64_t;
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typedef signed long long stix_int64_t;
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#elif defined(STIX_SIZEOF___INT64) && (STIX_SIZEOF___INT64 == 8)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned __int64 stix_uint64_t;
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typedef signed __int64 stix_int64_t;
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#elif defined(STIX_SIZEOF___INT64_T) && (STIX_SIZEOF___INT64_T == 8)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned __int64_t stix_uint64_t;
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typedef signed __int64_t stix_int64_t;
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#elif defined(_WIN64) || defined(_WIN32)
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# define STIX_HAVE_UINT64_T
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# define STIX_HAVE_INT64_T
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typedef unsigned __int64 stix_uint64_t;
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typedef signed __int64 stix_int64_t;
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#else
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/* no 64-bit integer */
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#endif
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/* stix_int128_t */
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#if defined(STIX_SIZEOF_INT) && (STIX_SIZEOF_INT == 16)
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# define STIX_HAVE_UINT128_T
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# define STIX_HAVE_INT128_T
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typedef unsigned int stix_uint128_t;
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typedef signed int stix_int128_t;
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#elif defined(STIX_SIZEOF_LONG) && (STIX_SIZEOF_LONG == 16)
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# define STIX_HAVE_UINT128_T
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# define STIX_HAVE_INT128_T
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typedef unsigned long stix_uint128_t;
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typedef signed long stix_int128_t;
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#elif defined(STIX_SIZEOF_LONG_LONG) && (STIX_SIZEOF_LONG_LONG == 16)
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# define STIX_HAVE_UINT128_T
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# define STIX_HAVE_INT128_T
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typedef unsigned long long stix_uint128_t;
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typedef signed long long stix_int128_t;
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#elif defined(STIX_SIZEOF___INT128) && (STIX_SIZEOF___INT128 == 16)
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# define STIX_HAVE_UINT128_T
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# define STIX_HAVE_INT128_T
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typedef unsigned __int128 stix_uint128_t;
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typedef signed __int128 stix_int128_t;
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#elif defined(STIX_SIZEOF___INT128_T) && (STIX_SIZEOF___INT128_T == 16)
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# define STIX_HAVE_UINT128_T
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# define STIX_HAVE_INT128_T
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#if defined(__clang__)
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typedef __uint128_t stix_uint128_t;
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typedef __int128_t stix_int128_t;
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#else
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typedef unsigned __int128_t stix_uint128_t;
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typedef signed __int128_t stix_int128_t;
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#endif
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#else
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/* no 128-bit integer */
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#endif
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#if defined(STIX_HAVE_UINT8_T) && (STIX_SIZEOF_VOID_P == 1)
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# error UNSUPPORTED POINTER SIZE
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#elif defined(STIX_HAVE_UINT16_T) && (STIX_SIZEOF_VOID_P == 2)
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typedef stix_uint16_t stix_uintptr_t;
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typedef stix_int16_t stix_intptr_t;
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typedef stix_uint8_t stix_ushortptr_t;
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typedef stix_int8_t stix_shortptr_t;
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#elif defined(STIX_HAVE_UINT32_T) && (STIX_SIZEOF_VOID_P == 4)
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typedef stix_uint32_t stix_uintptr_t;
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typedef stix_int32_t stix_intptr_t;
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typedef stix_uint16_t stix_ushortptr_t;
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typedef stix_int16_t stix_shortptr_t;
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#elif defined(STIX_HAVE_UINT64_T) && (STIX_SIZEOF_VOID_P == 8)
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typedef stix_uint64_t stix_uintptr_t;
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typedef stix_int64_t stix_intptr_t;
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typedef stix_uint32_t stix_ushortptr_t;
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typedef stix_int32_t stix_shortptr_t;
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#elif defined(STIX_HAVE_UINT128_T) && (STIX_SIZEOF_VOID_P == 16)
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typedef stix_uint128_t stix_uintptr_t;
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typedef stix_int128_t stix_intptr_t;
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typedef stix_uint64_t stix_ushortptr_t;
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typedef stix_int64_t stix_shortptr_t;
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#else
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# error UNKNOWN POINTER SIZE
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#endif
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#define STIX_SIZEOF_INTPTR_T STIX_SIZEOF_VOID_P
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#define STIX_SIZEOF_UINTPTR_T STIX_SIZEOF_VOID_P
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#define STIX_SIZEOF_SHORTPTR_T (STIX_SIZEOF_VOID_P / 2)
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#define STIX_SIZEOF_USHORTPTR_T (STIX_SIZEOF_VOID_P / 2)
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#if defined(STIX_HAVE_INT128_T)
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# define STIX_SIZEOF_INTMAX_T 16
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# define STIX_SIZEOF_UINTMAX_T 16
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typedef stix_int128_t stix_intmax_t;
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typedef stix_uint128_t stix_uintmax_t;
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#elif defined(STIX_HAVE_INT64_T)
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# define STIX_SIZEOF_INTMAX_T 8
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# define STIX_SIZEOF_UINTMAX_T 8
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typedef stix_int64_t stix_intmax_t;
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typedef stix_uint64_t stix_uintmax_t;
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#elif defined(STIX_HAVE_INT32_T)
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# define STIX_SIZEOF_INTMAX_T 4
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# define STIX_SIZEOF_UINTMAX_T 4
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typedef stix_int32_t stix_intmax_t;
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typedef stix_uint32_t stix_uintmax_t;
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#elif defined(STIX_HAVE_INT16_T)
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# define STIX_SIZEOF_INTMAX_T 2
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# define STIX_SIZEOF_UINTMAX_T 2
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typedef stix_int16_t stix_intmax_t;
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typedef stix_uint16_t stix_uintmax_t;
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#elif defined(STIX_HAVE_INT8_T)
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# define STIX_SIZEOF_INTMAX_T 1
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# define STIX_SIZEOF_UINTMAX_T 1
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typedef stix_int8_t stix_intmax_t;
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typedef stix_uint8_t stix_uintmax_t;
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#else
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# error UNKNOWN INTMAX SIZE
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#endif
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/* =========================================================================
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* BASIC STIX TYPES
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* =========================================================================*/
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typedef char stix_bch_t;
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typedef int stix_bci_t;
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typedef stix_uint16_t stix_uch_t; /* TODO ... wchar_t??? */
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typedef stix_int32_t stix_uci_t;
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typedef stix_uint8_t stix_oob_t;
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/* NOTE: sizeof(stix_oop_t) must be equal to sizeof(stix_oow_t) */
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typedef stix_uintptr_t stix_oow_t;
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typedef stix_intptr_t stix_ooi_t;
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#define STIX_SIZEOF_OOW_T STIX_SIZEOF_UINTPTR_T
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#define STIX_SIZEOF_OOI_T STIX_SIZEOF_INTPTR_T
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typedef stix_ushortptr_t stix_oohw_t; /* half word - half word */
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typedef stix_shortptr_t stix_oohi_t; /* signed half word */
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#define STIX_SIZEOF_OOHW_T STIX_SIZEOF_USHORTPTR_T
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#define STIX_SIZEOF_OOHI_T STIX_SIZEOF_SHORTPTR_T
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struct stix_ucs_t
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{
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stix_uch_t* ptr;
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stix_oow_t len;
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};
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typedef struct stix_ucs_t stix_ucs_t;
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struct stix_bcs_t
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{
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stix_bch_t* ptr;
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stix_oow_t len;
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};
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typedef struct stix_bcs_t stix_bcs_t;
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typedef stix_uch_t stix_ooch_t;
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typedef stix_uci_t stix_ooci_t;
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typedef stix_ucs_t stix_oocs_t;
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#define STIX_OOCH_IS_UCH
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/* =========================================================================
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* PRIMITIVE MACROS
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* ========================================================================= */
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#define STIX_UCI_EOF ((stix_ooci_t)-1)
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#define STIX_UCI_NL ((stix_ooci_t)'\n')
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#define STIX_SIZEOF(x) (sizeof(x))
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#define STIX_COUNTOF(x) (sizeof(x) / sizeof(x[0]))
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/**
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* The STIX_OFFSETOF() macro returns the offset of a field from the beginning
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* of a structure.
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*/
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#define STIX_OFFSETOF(type,member) ((stix_uintptr_t)&((type*)0)->member)
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/**
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* The STIX_ALIGNOF() macro returns the alignment size of a structure.
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* Note that this macro may not work reliably depending on the type given.
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*/
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#define STIX_ALIGNOF(type) STIX_OFFSETOF(struct { stix_uint8_t d1; type d2; }, d2)
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/*(sizeof(struct { stix_uint8_t d1; type d2; }) - sizeof(type))*/
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#if defined(__cplusplus)
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# if (__cplusplus >= 201103L) /* C++11 */
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# define STIX_NULL nullptr
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# else
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# define STIX_NULL (0)
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# endif
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#else
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# define STIX_NULL ((void*)0)
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#endif
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/* make a low bit mask that can mask off low n bits*/
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#define STIX_LBMASK(type,n) (~(~((type)0) << (n)))
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/* get 'length' bits starting from the bit at the 'offset' */
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#define STIX_GETBITS(type,value,offset,length) \
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((((type)(value)) >> (offset)) & STIX_LBMASK(type,length))
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#define STIX_SETBITS(type,value,offset,length,bits) \
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(value = (((type)(value)) | (((bits) & STIX_LBMASK(type,length)) << (offset))))
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/**
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* The STIX_BITS_MAX() macros calculates the maximum value that the 'nbits'
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* bits of an unsigned integer of the given 'type' can hold.
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* \code
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* printf ("%u", STIX_BITS_MAX(unsigned int, 5));
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* \endcode
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*/
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/*#define STIX_BITS_MAX(type,nbits) ((((type)1) << (nbits)) - 1)*/
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#define STIX_BITS_MAX(type,nbits) ((~(type)0) >> (STIX_SIZEOF(type) * 8 - (nbits)))
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/* =========================================================================
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* POINTER MANIPULATION MACROS
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* ========================================================================= */
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/*
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#if defined(__MSDOS__)
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# define STIX_INCPTR(type,base,inc) (((type __huge*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type __huge*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) > ((type __huge*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) >= ((type __huge*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type __huge*)ptr1) < ((type __huge*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type __huge*)ptr1) <= ((type __huge*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type __huge*)ptr1) == ((type __huge*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type __huge*)ptr1) - ((type __huge*)ptr2))
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#else
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*/
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# define STIX_INCPTR(type,base,inc) (((type*)base) + (inc))
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# define STIX_DECPTR(type,base,inc) (((type*)base) - (inc))
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# define STIX_GTPTR(type,ptr1,ptr2) (((type*)ptr1) > ((type*)ptr2))
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# define STIX_GEPTR(type,ptr1,ptr2) (((type*)ptr1) >= ((type*)ptr2))
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# define STIX_LTPTR(type,ptr1,ptr2) (((type*)ptr1) < ((type*)ptr2))
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# define STIX_LEPTR(type,ptr1,ptr2) (((type*)ptr1) <= ((type*)ptr2))
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# define STIX_EQPTR(type,ptr1,ptr2) (((type*)ptr1) == ((type*)ptr2))
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# define STIX_SUBPTR(type,ptr1,ptr2) (((type*)ptr1) - ((type*)ptr2))
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/*
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#endif
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*/
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/* =========================================================================
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* MMGR
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* ========================================================================= */
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typedef struct stix_mmgr_t stix_mmgr_t;
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/**
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* allocate a memory chunk of the size \a n.
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* \return pointer to a memory chunk on success, #STIX_NULL on failure.
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*/
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typedef void* (*stix_mmgr_alloc_t) (stix_mmgr_t* mmgr, stix_oow_t n);
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/**
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* resize a memory chunk pointed to by \a ptr to the size \a n.
|
|
* \return pointer to a memory chunk on success, #STIX_NULL on failure.
|
|
*/
|
|
typedef void* (*stix_mmgr_realloc_t) (stix_mmgr_t* mmgr, void* ptr, stix_oow_t n);
|
|
/**
|
|
* free a memory chunk pointed to by \a ptr.
|
|
*/
|
|
typedef void (*stix_mmgr_free_t) (stix_mmgr_t* mmgr, void* ptr);
|
|
|
|
/**
|
|
* The stix_mmgr_t type defines the memory management interface.
|
|
* As the type is merely a structure, it is just used as a single container
|
|
* for memory management functions with a pointer to user-defined data.
|
|
* The user-defined data pointer \a ctx is passed to each memory management
|
|
* function whenever it is called. You can allocate, reallocate, and free
|
|
* a memory chunk.
|
|
*
|
|
* For example, a stix_xxx_open() function accepts a pointer of the stix_mmgr_t
|
|
* type and the xxx object uses it to manage dynamic data within the object.
|
|
*/
|
|
struct stix_mmgr_t
|
|
{
|
|
stix_mmgr_alloc_t alloc; /**< allocation function */
|
|
stix_mmgr_realloc_t realloc; /**< resizing function */
|
|
stix_mmgr_free_t free; /**< disposal function */
|
|
void* ctx; /**< user-defined data pointer */
|
|
};
|
|
|
|
/**
|
|
* The STIX_MMGR_ALLOC() macro allocates a memory block of the \a size bytes
|
|
* using the \a mmgr memory manager.
|
|
*/
|
|
#define STIX_MMGR_ALLOC(mmgr,size) ((mmgr)->alloc(mmgr,size))
|
|
|
|
/**
|
|
* The STIX_MMGR_REALLOC() macro resizes a memory block pointed to by \a ptr
|
|
* to the \a size bytes using the \a mmgr memory manager.
|
|
*/
|
|
#define STIX_MMGR_REALLOC(mmgr,ptr,size) ((mmgr)->realloc(mmgr,ptr,size))
|
|
|
|
/**
|
|
* The STIX_MMGR_FREE() macro deallocates the memory block pointed to by \a ptr.
|
|
*/
|
|
#define STIX_MMGR_FREE(mmgr,ptr) ((mmgr)->free(mmgr,ptr))
|
|
|
|
|
|
/* =========================================================================
|
|
* CMGR
|
|
* =========================================================================*/
|
|
|
|
typedef struct stix_cmgr_t stix_cmgr_t;
|
|
|
|
typedef stix_oow_t (*stix_cmgr_bctouc_t) (
|
|
const stix_bch_t* mb,
|
|
stix_oow_t size,
|
|
stix_uch_t* wc
|
|
);
|
|
|
|
typedef stix_oow_t (*stix_cmgr_uctobc_t) (
|
|
stix_uch_t wc,
|
|
stix_bch_t* mb,
|
|
stix_oow_t size
|
|
);
|
|
|
|
/**
|
|
* The stix_cmgr_t type defines the character-level interface to
|
|
* multibyte/wide-character conversion. This interface doesn't
|
|
* provide any facility to store conversion state in a context
|
|
* independent manner. This leads to the limitation that it can
|
|
* handle a stateless multibyte encoding only.
|
|
*/
|
|
struct stix_cmgr_t
|
|
{
|
|
stix_cmgr_bctouc_t bctouc;
|
|
stix_cmgr_uctobc_t uctobc;
|
|
};
|
|
|
|
/* =========================================================================
|
|
* MACROS THAT CHANGES THE BEHAVIORS OF THE C COMPILER/LINKER
|
|
* =========================================================================*/
|
|
|
|
#if defined(_WIN32) || (defined(__WATCOMC__) && !defined(__WINDOWS_386__))
|
|
# define STIX_IMPORT __declspec(dllimport)
|
|
# define STIX_EXPORT __declspec(dllexport)
|
|
# define STIX_PRIVATE
|
|
#elif defined(__GNUC__) && (__GNUC__>=4)
|
|
# define STIX_IMPORT __attribute__((visibility("default")))
|
|
# define STIX_EXPORT __attribute__((visibility("default")))
|
|
# define STIX_PRIVATE __attribute__((visibility("hidden")))
|
|
/*# define STIX_PRIVATE __attribute__((visibility("internal")))*/
|
|
#else
|
|
# define STIX_IMPORT
|
|
# define STIX_EXPORT
|
|
# define STIX_PRIVATE
|
|
#endif
|
|
|
|
#if defined(__STDC_VERSION__) && (__STDC_VERSION__>=199901L)
|
|
# define STIX_INLINE inline
|
|
# define STIX_HAVE_INLINE
|
|
#elif defined(__GNUC__) && defined(__GNUC_GNU_INLINE__)
|
|
/* gcc disables inline when -std=c89 or -ansi is used.
|
|
* so use __inline__ supported by gcc regardless of the options */
|
|
# define STIX_INLINE /*extern*/ __inline__
|
|
# define STIX_HAVE_INLINE
|
|
#else
|
|
# define STIX_INLINE
|
|
# undef STIX_HAVE_INLINE
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/**
|
|
* The STIX_TYPE_IS_SIGNED() macro determines if a type is signed.
|
|
* \code
|
|
* printf ("%d\n", (int)STIX_TYPE_IS_SIGNED(int));
|
|
* printf ("%d\n", (int)STIX_TYPE_IS_SIGNED(unsigned int));
|
|
* \endcode
|
|
*/
|
|
#define STIX_TYPE_IS_SIGNED(type) (((type)0) > ((type)-1))
|
|
|
|
/**
|
|
* The STIX_TYPE_IS_SIGNED() macro determines if a type is unsigned.
|
|
* \code
|
|
* printf ("%d\n", STIX_TYPE_IS_UNSIGNED(int));
|
|
* printf ("%d\n", STIX_TYPE_IS_UNSIGNED(unsigned int));
|
|
* \endcode
|
|
*/
|
|
#define STIX_TYPE_IS_UNSIGNED(type) (((type)0) < ((type)-1))
|
|
|
|
#define STIX_TYPE_SIGNED_MAX(type) \
|
|
((type)~((type)1 << (STIX_SIZEOF(type) * 8 - 1)))
|
|
#define STIX_TYPE_UNSIGNED_MAX(type) ((type)(~(type)0))
|
|
|
|
#define STIX_TYPE_SIGNED_MIN(type) \
|
|
((type)((type)1 << (STIX_SIZEOF(type) * 8 - 1)))
|
|
#define STIX_TYPE_UNSIGNED_MIN(type) ((type)0)
|
|
|
|
#define STIX_TYPE_MAX(type) \
|
|
((STIX_TYPE_IS_SIGNED(type)? STIX_TYPE_SIGNED_MAX(type): STIX_TYPE_UNSIGNED_MAX(type)))
|
|
#define STIX_TYPE_MIN(type) \
|
|
((STIX_TYPE_IS_SIGNED(type)? STIX_TYPE_SIGNED_MIN(type): STIX_TYPE_UNSIGNED_MIN(type)))
|
|
|
|
|
|
/* =========================================================================
|
|
* COMPILER FEATURE TEST MACROS
|
|
* =========================================================================*/
|
|
#if defined(__has_builtin)
|
|
#if __has_builtin(__builtin_ctz)
|
|
#define STIX_HAVE_BUILTIN_CTZ
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin_uadd_overflow)
|
|
#define STIX_HAVE_BUILTIN_UADD_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_uaddl_overflow)
|
|
#define STIX_HAVE_BUILTIN_UADDL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_uaddll_overflow)
|
|
#define STIX_HAVE_BUILTIN_UADDLL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_umul_overflow)
|
|
#define STIX_HAVE_BUILTIN_UMUL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_umull_overflow)
|
|
#define STIX_HAVE_BUILTIN_UMULL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_umulll_overflow)
|
|
#define STIX_HAVE_BUILTIN_UMULLL_OVERFLOW
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin_sadd_overflow)
|
|
#define STIX_HAVE_BUILTIN_SADD_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_saddl_overflow)
|
|
#define STIX_HAVE_BUILTIN_SADDL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_saddll_overflow)
|
|
#define STIX_HAVE_BUILTIN_SADDLL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_smul_overflow)
|
|
#define STIX_HAVE_BUILTIN_SMUL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_smull_overflow)
|
|
#define STIX_HAVE_BUILTIN_SMULL_OVERFLOW
|
|
#endif
|
|
#if __has_builtin(__builtin_smulll_overflow)
|
|
#define STIX_HAVE_BUILTIN_SMULLL_OVERFLOW
|
|
#endif
|
|
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
|
|
|
|
#if (__GNUC__ >= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
|
|
#define STIX_HAVE_BUILTIN_CTZ
|
|
#endif
|
|
|
|
#if (__GNUC__ >= 5)
|
|
#define STIX_HAVE_BUILTIN_UADD_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_UADDL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_UADDLL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_UMUL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_UMULL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_UMULLL_OVERFLOW
|
|
|
|
#define STIX_HAVE_BUILTIN_SADD_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_SADDL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_SADDLL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_SMUL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_SMULL_OVERFLOW
|
|
#define STIX_HAVE_BUILTIN_SMULLL_OVERFLOW
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/*
|
|
#if !defined(__has_builtin)
|
|
#define __has_builtin(x) 0
|
|
#endif
|
|
|
|
|
|
#if !defined(__is_identifier)
|
|
#define __is_identifier(x) 0
|
|
#endif
|
|
|
|
#if !defined(__has_attribute)
|
|
#define __has_attribute(x) 0
|
|
#endif
|
|
*/
|
|
|
|
|
|
|
|
#endif
|