/*-
 * Copyright (c) 2004 Nik Clayton
 * 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 AUTHOR 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 AUTHOR 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.
 */

/* '## __VA_ARGS__' is a gcc'ism. C99 doesn't allow the token pasting
   and requires the caller to add the final comma if they've ommitted
   the optional arguments */
#ifdef __GNUC__
# define ok(e, test, ...) ((e) ?     \
                           _gen_result(1, __func__, __FILE__, __LINE__, \
                                       test, ## __VA_ARGS__) :  \
                           _gen_result(0, __func__, __FILE__, __LINE__, \
                                       test, ## __VA_ARGS__))

# define ok1(e) ((e) ?       \
                 _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
                 _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))

# define pass(test, ...) ok(1, test, ## __VA_ARGS__);
# define fail(test, ...) ok(0, test, ## __VA_ARGS__);

# define skip_start(test, n, fmt, ...)   \
do {      \
    if((test)) {    \
        skip(n, fmt, ## __VA_ARGS__); \
        continue;   \
    }
    #elif __STDC_VERSION__ >= 199901L /* __GNUC__ */
    # define ok(e, ...) ((e) ?      \
                         _gen_result(1, __func__, __FILE__, __LINE__, \
                                     __VA_ARGS__) :    \
                         _gen_result(0, __func__, __FILE__, __LINE__, \
                                     __VA_ARGS__))

    # define ok1(e) ((e) ?       \
                     _gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
                     _gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))

    # define pass(...) ok(1, __VA_ARGS__);
    # define fail(...) ok(0, __VA_ARGS__);

    # define skip_start(test, n, ...)   \
    do {      \
        if((test)) {    \
            skip(n,  __VA_ARGS__);  \
            continue;   \
        }
        #else /* __STDC_VERSION__ */
        # error "Needs gcc or C99 compiler for variadic macros."
        #endif /* __STDC_VERSION__ */

        #define skip_end() } while(0);

    unsigned int _gen_result(int, const char *, char *, unsigned int, char *, ...);

    int plan_no_plan(void);
    int plan_skip_all(char *);
    int plan_tests(unsigned int);

    unsigned int diag(char *, ...);

    int skip(unsigned int, char *, ...);

    void todo_start(char *, ...);
    void todo_end(void);

    int exit_status(void);
