43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
|
|
// By default, #included at beginning of library source files
|
|
|
|
// Copyright (C) 2005 Shay Green.
|
|
|
|
#ifndef BLARGG_SOURCE_H
|
|
#define BLARGG_SOURCE_H
|
|
|
|
// If debugging is enabled, abort program if expr is false. Meant for checking
|
|
// internal state and consistency. A failed assertion indicates a bug in the module.
|
|
// void assert( bool expr );
|
|
#include <assert.h>
|
|
|
|
// If debugging is enabled and expr is false, abort program. Meant for checking
|
|
// caller-supplied parameters and operations that are outside the control of the
|
|
// module. A failed requirement indicates a bug outside the module.
|
|
// void require( bool expr );
|
|
#undef require
|
|
#define require( expr ) assert(( "unmet requirement", expr ))
|
|
|
|
// Like printf() except output goes to debug log file. Might be defined to do
|
|
// nothing (not even evaluate its arguments).
|
|
// void dprintf( const char* format, ... );
|
|
#undef dprintf
|
|
#define dprintf (1) ? ((void) 0) : (void)
|
|
|
|
// If enabled, evaluate expr and if false, make debug log entry with source file
|
|
// and line. Meant for finding situations that should be examined further, but that
|
|
// don't indicate a problem. In all cases, execution continues normally.
|
|
#undef check
|
|
#define check( expr ) ((void) 0)
|
|
|
|
// If expr returns non-NULL error string, return it from current function, otherwise continue.
|
|
#define BLARGG_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, return out of memory error string.
|
|
#define BLARGG_CHECK_ALLOC( ptr ) do { if ( !(ptr) ) return "Out of memory"; } while ( 0 )
|
|
|
|
#endif
|
|
|