--- /dev/null
+/* $Id$ */
+
+/* Internal PDCLib logic <_PDCLIB_internal.h>
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* -------------------------------------------------------------------------- */
+/* You should not have to edit anything in this file; if you DO have to, it */
+/* would be considered a bug / missing feature: notify the author. */
+/* -------------------------------------------------------------------------- */
+
+#include <_PDCLIB_config.h>
+
+/* null pointer constant */
+#define _PDCLIB_NULL 0
+
+/* -------------------------------------------------------------------------- */
+/* Helper macros: */
+/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
+/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_cc( x, y ) x ## y
+#define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )
+
+/* -------------------------------------------------------------------------- */
+/* Limits of native datatypes */
+/* -------------------------------------------------------------------------- */
+/* The definition of minimum limits for unsigned datatypes is done because */
+/* later on we will "construct" limits for other abstract types: */
+/* USHRT -> _PDCLIB_ + USHRT + _MIN -> _PDCLIB_USHRT_MIN -> 0 */
+/* INT -> _PDCLIB_ + INT + _MIN -> _PDCLIB_INT_MIN -> ... you get the idea. */
+/* -------------------------------------------------------------------------- */
+
+/* Setting 'char' limits */
+#define _PDCLIB_CHAR_BIT 8
+#define _PDCLIB_UCHAR_MIN 0
+#define _PDCLIB_UCHAR_MAX 0xff
+#define _PDCLIB_SCHAR_MIN (-0x7f - 1)
+#define _PDCLIB_SCHAR_MAX 0x7f
+#ifdef _PDCLIB_CHAR_SIGNED
+#define _PDCLIB_CHAR_MIN _PDCLIB_SCHAR_MIN
+#define _PDCLIB_CHAR_MAX _PDCLIB_SCHAR_MAX
+#else
+#define _PDCLIB_CHAR_MIN 0
+#define _PDCLIB_CHAR_MAX _PDCLIB_UCHAR_MAX
+#endif
+
+/* Setting 'short' limits */
+#if _PDCLIB_SHRT_BYTES == 1
+#define _PDCLIB_SHRT_MAX 0x7f
+#define _PDCLIB_SHRT_MIN (-0x7f - 1)
+#define _PDCLIB_USHRT_MAX 0xff
+#elif _PDCLIB_SHRT_BYTES == 2
+#define _PDCLIB_SHRT_MAX 0x7fff
+#define _PDCLIB_SHRT_MIN (-0x7fff - 1)
+#define _PDCLIB_USHRT_MAX 0xffff
+#else
+#error Unsupported width of 'short' (neither 8 nor 16 bit).
+#endif
+#define _PDCLIB_USHRT_MIN 0
+
+/* Setting 'int' limits */
+#if _PDCLIB_INT_BYTES == 2
+#define _PDCLIB_INT_MAX 0x7fff
+#define _PDCLIB_INT_MIN (-0x7fff - 1)
+#define _PDCLIB_UINT_MAX 0xffffU
+#elif _PDCLIB_INT_BYTES == 4
+#define _PDCLIB_INT_MAX 0x7fffffff
+#define _PDCLIB_INT_MIN (-0x7fffffff - 1)
+#define _PDCLIB_UINT_MAX 0xffffffffU
+#elif _PDCLIB_INT_BYTES == 8
+#define _PDCLIB_INT_MAX 0x7fffffffffffffff
+#define _PDCLIB_INT_MIN (-0x7fffffffffffffff - 1)
+#define _PDCLIB_UINT_MAX 0xffffffffffffffff
+#else
+#error Unsupported width of 'int' (neither 16, 32, nor 64 bit).
+#endif
+#define _PDCLIB_UINT_MIN 0
+
+/* Setting 'long' limits */
+#if _PDCLIB_LONG_BYTES == 4
+#define _PDCLIB_LONG_MAX 0x7fffffffL
+#define _PDCLIB_LONG_MIN (-0x7fffffffL - 1L)
+#define _PDCLIB_LONG_MAX 0xffffffffUL
+#elif _PDCLIB_LONG_BYTES == 8
+#define _PDCLIB_LONG_MAX 0x7fffffffffffffffL
+#define _PDCLIB_LONG_MIN (-0x7fffffffffffffffL - 1L)
+#define _PDCLIB_ULONG_MAX 0xffffffffffffffffUL
+#else
+#error Unsupported width of 'long' (neither 32 nor 64 bit).
+#endif
+#define _PDCLIB_ULONG_MIN 0
+
+/* Setting 'long long' limits */
+#if _PDCLIB_LLONG_BYTES == 8
+#define _PDCLIB_LLONG_MAX 0x7fffffffffffffffLL
+#define _PDCLIB_LLONG_MIN (-0x7fffffffffffffffLL - 1LL)
+#define _PDCLIB_ULLONG_MAX 0xffffffffffffffffULL
+#elif _PDCLIB_LLONG_BYTES == 16
+#define _PDCLIB_LLONG_MAX 0x7fffffffffffffffffffffffffffffffLL
+#define _PDCLIB_LLONG_MIN (-0x7fffffffffffffffffffffffffffffffLL - 1LL)
+#define _PDCLIB_ULLONG_MAX 0xffffffffffffffffffffffffffffffffLL
+#else
+#error Unsupported width of 'long long' (neither 64 nor 128 bit).
+#endif
+#define _PDCLIB_ULLONG_MIN 0
+
+/* -------------------------------------------------------------------------- */
+/* <stdint.h> exact-width types, their limits and literals */
+/* -------------------------------------------------------------------------- */
+
+/* Setting 'int8_t', its limits, and its literal. */
+#if _PDCLIB_SHRT_BYTES == 1
+typedef signed short _PDCLIB_int8_t;
+typedef unsigned short _PDCLIB_int8_t;
+#define _PDCLIB_INT8_MAX _PDCLIB_SHRT_MAX
+#define _PDCLIB_INT8_MIN _PDCLIB_SHRT_MIN
+#define _PDCLIB_UINT8_MAX _PDCLIB_USHRT_MAX
+#else
+typedef signed char _PDCLIB_int8_t;
+typedef unsigned char _PDCLIB_uint8_t;
+#define _PDCLIB_INT8_MAX _PDCLIB_CHAR_MAX
+#define _PDCLIB_INT8_MIN _PDCLIB_CHAR_MIN
+#define _PDCLIB_UINT8_MAX _PDCLIB_UCHAR_MAX
+#endif
+
+/* Setting 'int16_t', its limits, and its literal */
+#if _PDCLIB_INT_BYTES == 2
+typedef signed int _PDCLIB_int16_t;
+typedef unsigned int _PDCLIB_uint16_t;
+#define _PDCLIB_INT16_MAX _PDCLIB_INT_MAX
+#define _PDCLIB_INT16_MIN _PDCLIB_INT_MIN
+#define _PDCLIB_UINT16_MAX _PDCLIB_UINT_MAX
+#elif _PDCLIB_SHRT_BYTES == 2
+typedef signed short _PDCLIB_int16_t;
+typedef unsigned short _PDCLIB_int16_t;
+#define _PDCLIB_INT16_MAX _PDCLIB_SHRT_MAX
+#define _PDCLIB_INT16_MIN _PDCLIB_SHRT_MIN
+#define _PDCLIB_UINT16_MAX _PDCLIB_USHRT_MAX
+#else
+#error Neither 'short' nor 'int' are 16-bit.
+#endif
+
+/* Setting 'int32_t', its limits, and its literal */
+#if _PDCLIB_INT_BYTES == 4
+typedef signed int _PDCLIB_int32_t;
+typedef unsigned int _PDCLIB_int32_t;
+#define _PDCLIB_INT32_MAX _PDCLIB_INT_MAX
+#define _PDCLIB_INT32_MIN _PDCLIB_INT_MIN
+#define _PDCLIB_UINT32_MAX _PDCLIB_UINT_MAX
+#elif _PDCLIB_LONG_BYTES == 4
+typedef signed long _PDCLIB_int32_t;
+typedef unsigned long _PDCLIB_int32_t;
+#define _PDCLIB_INT32_MAX _PDCLIB_LONG_MAX
+#define _PDCLIB_INT32_MIN _PDCLIB_LONG_MIN
+#define _PDCLIB_UINT32_MAX _PDCLIB_LONG_MAX
+#else
+#error Neither 'int' nor 'long' are 32-bit.
+#endif
+
+#if _PDCLIB_LONG_BYTES == 8
+typedef signed long _PDCLIB_int64_t;
+typedef unsigned long _PDCLIB_int64_t;
+#define _PDCLIB_INT64_MAX _PDCLIB_LONG_MAX
+#define _PDCLIB_INT64_MIN _PDCLIB_LONG_MIN
+#define _PDCLIB_INT64_MAX _PDCLIB_ULONG_MAX
+#elif _PDCLIB_LLONG_BYTES == 8
+typedef signed long long _PDCLIB_int64_t;
+typedef unsigned long long _PDCLIB_int64_t;
+#define _PDCLIB_INT64_MAX _PDCLIB_LLONG_MAX
+#define _PDCLIB_INT64_MIN _PDCLIB_LLONG_MIN
+#define _PDCLIB_INT64_MAX _PDCLIB_ULLONG_MAX
+#else
+#error Neither 'long' nor 'long long' are 64-bit.
+#endif
+
+/* -------------------------------------------------------------------------- */
+/* <stdint.h> "fastest" types and their limits */
+/* -------------------------------------------------------------------------- */
+/* This is, admittedly, butt-ugly. But at least it's ugly where the average */
+/* user of PDCLib will never see it, and makes <_PDCLIB_config.h> much */
+/* cleaner. */
+/* -------------------------------------------------------------------------- */
+
+typedef _PDCLIB_fast8 _PDCLIB_int_fast8_t;
+typedef unsigned _PDCLIB_fast8 _PDCLIB_uint_fast8_t;
+#define _PDCLIB_INT_FAST8_MIN concat( concat( _PDCLIB_, _PDCLIB_FAST8 ), _MIN )
+#define _PDCLIB_INT_FAST8_MAX concat( concat( _PDCLIB_, _PDCLIB_FAST8 ), _MAX )
+#define _PDCLIB_UINT_FAST8_MAX concat( concat( _PDCLIB_U, _PDCLIB_FAST8 ), _MAX )
+
+typedef _PDCLIB_fast16 _PDCLIB_int_fast16_t;
+typedef unsigned _PDCLIB_fast16 _PDCLIB_uint_fast16_t;
+#define _PDCLIB_INT_FAST16_MIN concat( concat( _PDCLIB_, _PDCLIB_FAST16 ), _MIN )
+#define _PDCLIB_INT_FAST16_MAX concat( concat( _PDCLIB_, _PDCLIB_FAST16 ), _MAX )
+#define _PDCLIB_UINT_FAST16_MAX concat( concat( _PDCLIB_U, _PDCLIB_FAST16 ), _MAX )
+
+typedef _PDCLIB_fast32 _PDCLIB_int_fast32_t;
+typedef unsigned _PDCLIB_fast32 _PDCLIB_uint_fast32_t;
+#define _PDCLIB_INT_FAST32_MIN concat( concat( _PDCLIB_, _PDCLIB_FAST32 ), _MIN )
+#define _PDCLIB_INT_FAST32_MAX concat( concat( _PDCLIB_, _PDCLIB_FAST32 ), _MAX )
+#define _PDCLIB_UINT_FAST32_MAX concat( concat( _PDCLIB_U, _PDCLIB_FAST32 ), _MAX )
+
+typedef _PDCLIB_fast64 _PDCLIB_int_fast64_t;
+typedef unsigned _PDCLIB_fast64 _PDCLIB_uint_fast64_t;
+#define _PDCLIB_INT_FAST64_MIN concat( concat( _PDCLIB_, _PDCLIB_FAST64 ), _MIN )
+#define _PDCLIB_INT_FAST64_MAX concat( concat( _PDCLIB_, _PDCLIB_FAST64 ), _MAX )
+#define _PDCLIB_UINT_FAST64_MAX concat( concat( _PDCLIB_U, _PDCLIB_FAST64 ), _MAX )
+
+/* -------------------------------------------------------------------------- */
+/* Various <stddef.h> limits */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_PTRDIFF_MIN concat( concat( _PDCLIB_, _PDCLIB_PTRDIFF ), _MIN )
+#define _PDCLIB_PTRDIFF_MAX concat( concat( _PDCLIB_, _PDCLIB_PTRDIFF ), _MAX )
+
+#define _PDCLIB_SIG_ATOMIC_MIN concat( concat( _PDCLIB_, _PDCLIB_SIG_ATOMIC ), _MIN )
+#define _PDCLIB_SIG_ATOMIC_MAX concat( concat( _PDCLIB_, _PDCLIB_SIG_ATOMIC ), _MAX )
+
+#define _PDCLIB_SIZE_MAX concat( concat( _PDCLIB_, _PDCLIB_SIZE ), _MAX )
+
+#define _PDCLIB_WCHAR_MIN concat( concat( _PDCLIB_, _PDCLIB_WCHAR ), _MIN )
+#define _PDCLIB_WCHAR_MAX concat( concat( _PDCLIB_, _PDCLIB_WCHAR ), _MAX )
+
+/* -------------------------------------------------------------------------- */
+/* <stdint.h> "exact width" literal suffixes */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_INT8_LITERAL c
+#define _PDCLIB_INT16_LITERAL s
+#define _PDCLIB_INT32_LITERAL l
+#define _PDCLIB_INT64_LITERAL ll
+#define _PDCLIB_UINT8_LITERAL uc
+#define _PDCLIB_UINT16_LITERAL us
+#define _PDCLIB_UINT32_LITERAL ul
+#define _PDCLIB_UINT64_LITERAL ull
+
+/* -------------------------------------------------------------------------- */
+/* <stdint.h> "fast" typedefs */
+/* -------------------------------------------------------------------------- */
+
+typedef int _PDCLIB_intptr_t;
+#define _PDCLIB_INTPTR_MIN (-0x7fffff - 1)
+#define _PDCLIB_INTPTR_MAX 0x7fffff
+typedef unsigned int _PDCLIB_uintptr_t;
+#define _PDCLIB_UINTPTR_MAX 0xffffff
+
+typedef signed long long int _PDCLIB_intmax_t;
+#define _PDCLIB_INTMAX_MIN (-0x7fffffffffffffff - 1)
+#define _PDCLIB_INTMAX_MAX 0x7fffffffffffffff
+typedef unsigned long long int _PDCLIB_uintmax_t;
+#define _PDCLIB_UINTMAX_MAX 0xffffffffffffffff
projects / pdclib / blobdiff