Types.h

Go to the documentation of this file.

/*
 * Objectively: Ultra-lightweight object oriented framework for GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <sys/types.h>
 
#if defined(_MSC_VER)
 #include "Windowly.h"
#endif
 
#ifndef OBJECTIVELY_EXPORT
 #define OBJECTIVELY_EXPORT extern
#endif
 
#undef interface
 
typedef void *ident;
 
typedef struct {
 
    ssize_t location;
 
    size_t length;
} Range;
 
typedef enum {
    OrderAscending = -1,
    OrderSame = 0,
    OrderDescending = 1,
} Order;
 
typedef Order (*Comparator)(const ident obj1, const ident obj2);
 
typedef void (*Consumer)(ident data);
 
typedef void (*BiConsumer)(ident data1, ident data2);
 
typedef ident (*Functor)(const ident obj, ident data);
 
typedef _Bool (*Predicate)(const ident obj, ident data);
 
typedef ident (*Producer)(ident data);
 
typedef ident (*Reducer)(const ident obj, ident accumulator, ident data);
 
#define clamp(val, min, max) \
    ({ \
        typeof(val) _val = (val); typeof(min) _min = (min); typeof(max) _max = (max); \
        _max < _min ? \
                _val < _max ? _max : _val > _min ? _min : _val \
            : \
                _val < _min ? _min : _val > _max ? _max : _val; \
    })
 
#ifndef lengthof
 #define lengthof(array) (sizeof(array) / sizeof((array)[0]))
#endif
 
#ifndef max
 #define max(a, b) ({ typeof (a) _a = (a); typeof (b) _b = (b); _a > _b ? _a : _b; })
#endif
 
#ifndef min
 #define min(a, b) ({ typeof (a) _a = (a); typeof (b) _b = (b); _a < _b ? _a : _b; })
#endif