/* Included at the beginning of library source files, AFTER all other #include
lines. Sets up helpful macros and services used in my source code. Since this
is only "active" in my source code, I don't have to worry about polluting the
global namespace with unprefixed names. */

// File_Extractor 1.0.0
#ifndef BLARGG_SOURCE_H
#define BLARGG_SOURCE_H

#ifndef BLARGG_COMMON_H // optimization only
#include "blargg_common.h"
#endif
#include "blargg_errors.h"

#include <stddef.h> /* offsetof() */
#include <string.h> /* memcpy(), memset(), memmove() */

/* The following four macros are for debugging only. Some or all might be
defined to do nothing, depending on the circumstances. Described is what
happens when a particular macro is defined to do something. When defined to
do nothing, the macros do NOT evaluate their argument(s). */

/* If expr is false, prints file and line number, then aborts program. Meant
for checking internal state and consistency. A failed assertion indicates a bug
in MY code.

void assert( bool expr ); */
#include <assert.h>

/* If expr is false, prints file and line number, then aborts program. Meant
for checking caller-supplied parameters and operations that are outside the
control of the module. A failed requirement probably indicates a bug in YOUR
code.

void require( bool expr ); */
#undef require
#define require(expr) assert(expr)

/* Like printf() except output goes to debugging console/file.

void dprintf( const char format [], ... ); */
static inline void blargg_dprintf_(const char[], ...)
{
}
#undef dprintf
#define dprintf (1) ? (void)0 : blargg_dprintf_

/* If expr is false, prints file and line number to debug console/log, then
continues execution normally. Meant for flagging potential problems or things
that should be looked into, but that aren't serious problems.

void check( bool expr ); */
#undef check
#define check(expr) ((void)0)

/* If expr yields non-NULL error string, returns it from current function,
otherwise continues normally. */
#undef RETURN_ERR
#define RETURN_ERR(expr)                                                                           \
        do {                                                                                       \
                blargg_err_t blargg_return_err_ = (expr);                                          \
                if (blargg_return_err_)                                                            \
                        return blargg_return_err_;                                                 \
        } while (0)

/* If ptr is NULL, returns out-of-memory error, otherwise continues normally. */
#undef CHECK_ALLOC
#define CHECK_ALLOC(ptr)                                                                           \
        do {                                                                                       \
                if (!(ptr))                                                                        \
                        return blargg_err_memory;                                                  \
        } while (0)

/* The usual min/max functions for built-in types.

template<typename T> T min( T x, T y ) { return x < y ? x : y; }
template<typename T> T max( T x, T y ) { return x > y ? x : y; } */
#define BLARGG_DEF_MIN_MAX(type)                                                                   \
        static inline type blargg_min(type x, type y)                                              \
        {                                                                                          \
                if (y < x)                                                                         \
                        x = y;                                                                     \
                return x;                                                                          \
        }                                                                                          \
        static inline type blargg_max(type x, type y)                                              \
        {                                                                                          \
                if (x < y)                                                                         \
                        x = y;                                                                     \
                return x;                                                                          \
        }

BLARGG_DEF_MIN_MAX(int)
BLARGG_DEF_MIN_MAX(unsigned)
BLARGG_DEF_MIN_MAX(long)
BLARGG_DEF_MIN_MAX(unsigned long)
BLARGG_DEF_MIN_MAX(float)
BLARGG_DEF_MIN_MAX(double)

#undef min
#define min blargg_min

#undef max
#define max blargg_max

// typedef unsigned char byte;
typedef unsigned char blargg_byte;
#undef byte
#define byte blargg_byte

#ifndef BLARGG_EXPORT
#if defined(_WIN32) && BLARGG_BUILD_DLL
#define BLARGG_EXPORT __declspec(dllexport)
#elif defined(__GNUC__)
// can always set visibility, even when not building DLL
#define BLARGG_EXPORT __attribute__((visibility("default")))
#else
#define BLARGG_EXPORT
#endif
#endif

#if BLARGG_LEGACY
#define BLARGG_CHECK_ALLOC CHECK_ALLOC
#define BLARGG_RETURN_ERR RETURN_ERR
#endif

// Called after failed operation when overall operation may still complete OK.
// Only used by unit testing framework.
#undef ACK_FAILURE
#define ACK_FAILURE() ((void)0)

/* BLARGG_SOURCE_BEGIN: If defined, #included, allowing redefition of dprintf etc.
and check */
#ifdef BLARGG_SOURCE_BEGIN
#include BLARGG_SOURCE_BEGIN
#endif

#endif
