utils.h

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2018, Olivier MATZ <zer0@droids-corp.org>
 */
 
#pragma once
 
#define EC_CAST(x, old_type, new_type)                                                             \
    ({                                                                                         \
        __typeof__(old_type) __x = (x);                                                    \
        (__typeof__(new_type))__x;                                                         \
    })
 
#define EC_VA_END ((void *)1)
 
#define EC_COUNT_OF(x) ((sizeof(x) / sizeof(0 [x])) / ((size_t)(!(sizeof(x) % sizeof(0 [x])))))
 
#define EC_DEPRECATED(msg) __attribute__((deprecated(msg)))
 
#define EC_DEPRECATED_MACRO_(x) _Pragma(#x)
#define EC_DEPRECATED_MACRO(msg) EC_DEPRECATED_MACRO_(GCC warning msg)