quickerNES/source/core/blargg_source.h

41 lines
1.2 KiB
C++

/* 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 <string.h> /* memcpy(), memset(), memmove() */
#include <stddef.h> /* offsetof() */
/* If expr yields non-NULL error string, returns it from current function,
otherwise continues normally. */
#undef RETURN_ERR
#define RETURN_ERR( expr ) \
do {\
const char *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 "Out of 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; }
#endif