160 lines
4 KiB
C
160 lines
4 KiB
C
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// Sets up common environment for Shay Green's libraries.
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// To change configuration options, modify blargg_config.h, not this file.
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#ifndef BLARGG_COMMON_H
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#define BLARGG_COMMON_H
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <limits.h>
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#undef BLARGG_COMMON_H
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// allow blargg_config.h to #include blargg_common.h
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#include "blargg_config.h"
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#ifndef BLARGG_COMMON_H
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#define BLARGG_COMMON_H
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#if defined(ROCKBOX)
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#include "codeclib.h"
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#endif
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#if 1 /* IRAM configuration is not yet active for all libGME codecs. */
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#undef ICODE_ATTR
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#define ICODE_ATTR
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#undef IDATA_ATTR
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#define IDATA_ATTR
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#undef ICONST_ATTR
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#define ICONST_ATTR
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#undef IBSS_ATTR
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#define IBSS_ATTR
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#endif
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// BLARGG_RESTRICT: equivalent to C99's restrict, where supported
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#if __GNUC__ >= 3 || _MSC_VER >= 1100
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#define BLARGG_RESTRICT __restrict
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#else
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#define BLARGG_RESTRICT
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#endif
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// STATIC_CAST(T,expr): Used in place of static_cast<T> (expr)
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#ifndef STATIC_CAST
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#define STATIC_CAST(T,expr) ((T) (expr))
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#endif
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// blargg_err_t (0 on success, otherwise error string)
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#ifndef blargg_err_t
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typedef const char* blargg_err_t;
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#endif
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#define BLARGG_4CHAR( a, b, c, d ) \
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((a&0xFF)*0x1000000L + (b&0xFF)*0x10000L + (c&0xFF)*0x100L + (d&0xFF))
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// BOOST_STATIC_ASSERT( expr ): Generates compile error if expr is 0.
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#ifndef BOOST_STATIC_ASSERT
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#ifdef _MSC_VER
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// MSVC6 (_MSC_VER < 1300) fails for use of __LINE__ when /Zl is specified
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#define BOOST_STATIC_ASSERT( expr ) \
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void blargg_failed_( int (*arg) [2 / (int) !!(expr) - 1] )
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#else
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// Some other compilers fail when declaring same function multiple times in class,
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// so differentiate them by line
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#define BOOST_STATIC_ASSERT( expr ) \
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void blargg_failed_( int (*arg) [2 / !!(expr) - 1] [__LINE__] )
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#endif
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#endif
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// BLARGG_COMPILER_HAS_BOOL: If 0, provides bool support for old compiler. If 1,
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// compiler is assumed to support bool. If undefined, availability is determined.
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#ifndef BLARGG_COMPILER_HAS_BOOL
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#if defined (__MWERKS__)
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#if !__option(bool)
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#define BLARGG_COMPILER_HAS_BOOL 0
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#endif
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#elif defined (_MSC_VER)
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#if _MSC_VER < 1100
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#define BLARGG_COMPILER_HAS_BOOL 0
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#endif
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#elif defined (__GNUC__)
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// supports bool
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#elif __cplusplus < 199711
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#define BLARGG_COMPILER_HAS_BOOL 0
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#endif
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#endif
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#if defined (BLARGG_COMPILER_HAS_BOOL) && !BLARGG_COMPILER_HAS_BOOL
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// If you get errors here, modify your blargg_config.h file
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typedef int bool;
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static bool true = 1;
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static bool false = 0;
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#endif
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// blargg_long/blargg_ulong = at least 32 bits, int if it's big enough
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#include <limits.h>
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#if INT_MAX >= 0x7FFFFFFF
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typedef int blargg_long;
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#else
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typedef long blargg_long;
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#endif
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#if UINT_MAX >= 0xFFFFFFFF
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typedef unsigned blargg_ulong;
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#else
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typedef unsigned long blargg_ulong;
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#endif
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// int8_t etc.
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// ROCKBOX: If defined, use <codeclib.h> for int_8_t etc
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#if defined (ROCKBOX)
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#include <codecs/lib/codeclib.h>
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// HAVE_STDINT_H: If defined, use <stdint.h> for int8_t etc.
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#elif defined (HAVE_STDINT_H)
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#include <stdint.h>
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#define BOOST
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// HAVE_INTTYPES_H: If defined, use <stdint.h> for int8_t etc.
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#elif defined (HAVE_INTTYPES_H)
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#include <inttypes.h>
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#define BOOST
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#else
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#if UCHAR_MAX == 0xFF && SCHAR_MAX == 0x7F
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typedef signed char int8_t;
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typedef unsigned char uint8_t;
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#else
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// No suitable 8-bit type available
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typedef struct see_blargg_common_h int8_t;
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typedef struct see_blargg_common_h uint8_t;
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#endif
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#if USHRT_MAX == 0xFFFF
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typedef short int16_t;
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typedef unsigned short uint16_t;
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#else
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// No suitable 16-bit type available
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typedef struct see_blargg_common_h int16_t;
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typedef struct see_blargg_common_h uint16_t;
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#endif
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#if ULONG_MAX == 0xFFFFFFFF
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typedef long int32_t;
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typedef unsigned long uint32_t;
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#elif UINT_MAX == 0xFFFFFFFF
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typedef int int32_t;
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typedef unsigned int uint32_t;
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#else
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// No suitable 32-bit type available
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typedef struct see_blargg_common_h int32_t;
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typedef struct see_blargg_common_h uint32_t;
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#endif
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#endif
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#endif
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#endif
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