41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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/* Included at the beginning of library source files, AFTER all other #include
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lines. Sets up helpful macros and services used in my source code. Since this
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is only "active" in my source code, I don't have to worry about polluting the
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global namespace with unprefixed names. */
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// File_Extractor 1.0.0
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#ifndef BLARGG_SOURCE_H
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#define BLARGG_SOURCE_H
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#ifndef BLARGG_COMMON_H // optimization only
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#include "blargg_common.h"
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#endif
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#include <string.h> /* memcpy(), memset(), memmove() */
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#include <stddef.h> /* offsetof() */
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/* If expr yields non-NULL error string, returns it from current function,
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otherwise continues normally. */
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#undef RETURN_ERR
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#define RETURN_ERR( expr ) \
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do {\
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const char *blargg_return_err_ = (expr);\
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if ( blargg_return_err_ )\
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return blargg_return_err_;\
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} while ( 0 )
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/* If ptr is NULL, returns out-of-memory error, otherwise continues normally. */
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#undef CHECK_ALLOC
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#define CHECK_ALLOC( ptr ) \
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do {\
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if ( !(ptr) )\
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return "Out of memory";\
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} while ( 0 )
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/* The usual min/max functions for built-in types. */
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template<typename T> T min( T x, T y ) { return x < y ? x : y; }
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template<typename T> T max( T x, T y ) { return x > y ? x : y; }
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#endif
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