debug.h

/*
 * Copyright (C) 2021 Mark Hills <mark@xwax.org>
 *
 * This file is part of "xwax".
 *
 * "xwax" is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License, version 3 as
 * published by the Free Software Foundation.
 *
 * "xwax" is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <https://www.gnu.org/licenses/>.
 *
 */

#ifndef DEBUG_H
#define DEBUG_H

#include <stdio.h>

/*
 * Enable a specific debug message by prefixing with an underscore,
 * otherwise -DDEBUG to enable all within that particular compile.
 */

#define _debug(...) { \
    fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); \
    fprintf(stderr, __VA_ARGS__); \
    fputc('\n', stderr); \
}

#ifdef DEBUG
#define debug(...) _debug(__VA_ARGS__)
#else
#define debug(...)
#endif

#define not_implemented() abort()

#endif