macros.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(C) 2023-2025 Nokia
 */
 
#ifndef ODPH_MACROS_H_
#define ODPH_MACROS_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ODPH_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
#define ODPH_MIN(a, b)              \
    __extension__ ({            \
        __typeof__(a) min_a = (a);  \
        __typeof__(b) min_b = (b);  \
        min_a < min_b ? min_a : min_b;  \
    })
 
#define ODPH_MAX(a, b)              \
    __extension__ ({            \
        __typeof__(a) max_a = (a);  \
        __typeof__(b) max_b = (b);  \
        max_a > max_b ? max_a : max_b;  \
    })
 
#define ODPH_ABS(v)             \
    __extension__ ({            \
        __typeof__(v) abs_v = (v);  \
        abs_v < 0 ? -abs_v : abs_v; \
    })
 
#define ODPH_DIV_ROUNDUP(dividend, divisor)         \
    __extension__ ({                    \
        __typeof__(dividend) _dividend = (dividend);    \
        __typeof__(divisor) _divisor = (divisor);   \
        (_dividend + _divisor - 1) / _divisor;      \
    })
 
#define ODPH_ROUNDUP_MULTIPLE(x, y)         \
    __extension__ ({                \
        __typeof__(x) _x = (x);         \
        __typeof__(y) _y = (y);         \
        _y * (ODPH_DIV_ROUNDUP(_x, _y));    \
    })
 
#ifdef __cplusplus
}
#endif
 
#endif /* ODPH_MACROS_H_ */