Mercurial > hg > ascension / file revision

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * Copyright 2025 Mike Becker. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ASC_UTIL_H
#define ASC_UTIL_H

#include <cx/string.h>

cxmutstr asc_util_gen_name(void *obj);

#define asc_util_check_and_set_impl if (*var == new_value) return false; *var = new_value; return true
static inline bool asc_util_check_and_set_float(float *var, float new_value) {
    asc_util_check_and_set_impl;
}
static inline bool asc_util_check_and_set_int(int *var, int new_value) {
    asc_util_check_and_set_impl;
}
static inline bool asc_util_check_and_set_unsigned(unsigned *var, unsigned new_value) {
    asc_util_check_and_set_impl;
}

#define asc_util_check_and_set(v, x) _Generic(x, \
    float: asc_util_check_and_set_float, \
    int: asc_util_check_and_set_int, \
    unsigned: asc_util_check_and_set_unsigned)(&(v), x)

#endif //ASC_UTIL_H