assert.h

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#ifndef ASSERT_H
#define ASSERT_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>

#include "stdlib.h"

#ifdef NDEBUG
# define assert(expr) (void)(0)
#else

# define __assert__(ex, f, l)                                                   \
    do {                                                                        \
        if (!(ex)) {                                                            \
            printf("Assertion '%s' failed in %s, line %d\n", #ex, f, l);        \
            abort();                                                            \
        }                                                                       \
    } while (0)

# define assert(expr)   __assert__(expr, __FILE__, __LINE__)
#endif // NDEBUG

#ifdef __cplusplus
}
#endif

#endif // ASSERT_H