113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/* ****************************************************************************
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* libcasio/cdefs/integers.h -- libcasio's implementation of `stdint.h`.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libcasio.
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* libcasio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libcasio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************* */
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#ifndef LIBCASIO_CDEFS_INTEGERS_H
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# define LIBCASIO_CDEFS_INTEGERS_H 1
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# include "../cdefs.h"
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CASIO_BEGIN_NAMESPACE
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# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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# include <stdint.h>
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# include <inttypes.h>
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/* `stdint.h` and `inttypes.h` are standard C99 headers.
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* `stdint.h` provides the `uintN_t` types, and
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* `inttypes.h` provides the `PRI[uxX]N` macros. */
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typedef uint8_t casio_uint8_t;
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typedef uint16_t casio_uint16_t;
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typedef uint32_t casio_uint32_t;
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# define CASIO_PRIu8 PRIu8
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# define CASIO_PRIx8 PRIx8
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# define CASIO_PRIX8 PRIX8
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# define CASIO_PRIu16 PRIu16
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# define CASIO_PRIx16 PRIx16
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# define CASIO_PRIX16 PRIX16
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# define CASIO_PRIu32 PRIu32
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# define CASIO_PRIx32 PRIx32
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# define CASIO_PRIX32 PRIX32
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# else /* C89 */
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# include <limits.h>
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/* Here, we ought to do some C89 hacking.
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* We'll use the `limits.h` definitions to try and guess which one of the
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* default types are the 8-bit, 16-bit and 32-bit integer. */
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# define CASIO_P8 "hh"
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typedef unsigned char casio_uint8_t;
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/* 16-bit integer. */
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# if (USHRT_MAX > 0xffffUL)
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# error "No 16-bit type, exiting!"
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# endif
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# define CASIO_P16 "h"
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typedef unsigned short casio_uint16_t;
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/* 32-bit integer. */
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# if (UINT_MAX == 0xffffffffUL)
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# define CASIO_P32 ""
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typedef unsigned int casio_uint32_t;
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# elif (ULONG_MAX == 0xffffffffUL)
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# define CASIO_P32 "l"
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typedef unsigned long casio_uint32_t;
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# else
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/* There is nothing between `char` and `short`, and `char` is always
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* byte-wide;
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* `long long` is not defined in C89, and even if it can be used as a
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* compiler extension for C89, it is supposed to be 64-bit or more.
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* So basically we're running out of options here. */
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# error "No 32-bit type, exiting!"
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# endif
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# define CASIO_PRIu8 CASIO_P8 "u"
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# define CASIO_PRIx8 CASIO_P8 "x"
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# define CASIO_PRIX8 CASIO_P8 "X"
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# define CASIO_PRIu16 CASIO_P16 "u"
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# define CASIO_PRIx16 CASIO_P16 "x"
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# define CASIO_PRIX16 CASIO_P16 "X"
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# define CASIO_PRIu32 CASIO_P32 "u"
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# define CASIO_PRIx32 CASIO_P32 "x"
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# define CASIO_PRIX32 CASIO_P32 "X"
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# endif
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/* printf thing for `size_t` */
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# if defined(_WIN64)
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# define CASIO_PRIuSIZE "l64u"
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# define CASIO_PRIxSIZE "l64x"
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# define CASIO_PRIXSIZE "l64X"
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# elif defined(_WIN32)
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# define CASIO_PRIuSIZE "u"
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# define CASIO_PRIxSIZE "x"
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# define CASIO_PRIXSIZE "X"
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# else
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# define CASIO_PRIuSIZE "zu"
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# define CASIO_PRIxSIZE "zx"
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# define CASIO_PRIXSIZE "zX"
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# endif
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CASIO_END_NAMESPACE
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#endif /* LIBCASIO_CDEFS_INTEGERS_H */
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