268 lines
7.9 KiB
C
268 lines
7.9 KiB
C
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/* ______ ___ ___
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* /\ _ \ /\_ \ /\_ \
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* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
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* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
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* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
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* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
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* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
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* /\____/
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* \_/__/
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*
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* Configuration defines.
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*
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* By Shawn Hargreaves.
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*
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* See readme.txt for copyright information.
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*/
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/* for backward compatibility */
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#ifdef USE_CONSOLE
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#define ALLEGRO_NO_MAGIC_MAIN
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#define ALLEGRO_USE_CONSOLE
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#endif
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/* include platform-specific stuff */
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#include "allegro5/platform/alplatf.h"
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#if defined ALLEGRO_WATCOM
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#include "allegro5/platform/alwatcom.h"
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#elif defined ALLEGRO_MINGW32
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#include "allegro5/platform/almngw32.h"
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#elif defined ALLEGRO_BCC32
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#include "allegro5/platform/albcc32.h"
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#elif defined ALLEGRO_MSVC
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#include "allegro5/platform/almsvc.h"
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#elif defined ALLEGRO_IPHONE
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#include "allegro5/platform/aliphonecfg.h"
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#elif defined ALLEGRO_MACOSX
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#include "allegro5/platform/alosxcfg.h"
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#elif defined ALLEGRO_UNIX
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#include "allegro5/platform/alucfg.h"
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#else
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#error platform not supported
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#endif
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#include "allegro5/platform/astdint.h"
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#include "allegro5/platform/astdbool.h"
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/* special definitions for the GCC compiler */
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#ifdef __GNUC__
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#define ALLEGRO_GCC
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#ifndef AL_INLINE
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#ifdef __cplusplus
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#define AL_INLINE(type, name, args, code) \
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static inline type name args; \
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static inline type name args code
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/* Needed if this header is included by C99 code, as
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* "extern __inline__" in C99 exports a new global function.
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*/
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#elif __GNUC_STDC_INLINE__
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#define AL_INLINE(type, name, args, code) \
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extern __inline__ __attribute__((__gnu_inline__)) type name args; \
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extern __inline__ __attribute__((__gnu_inline__)) type name args code
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#else
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#define AL_INLINE(type, name, args, code) \
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extern __inline__ type name args; \
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extern __inline__ type name args code
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#endif
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#endif
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#ifndef AL_INLINE_STATIC
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#ifdef __cplusplus
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#define AL_INLINE_STATIC(type, name, args, code) \
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AL_INLINE(type, name, args, code)
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#else
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#define AL_INLINE_STATIC(type, name, args, code) \
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static __inline__ type name args; \
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static __inline__ type name args code
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#endif
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#endif
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#define AL_PRINTFUNC(type, name, args, a, b) AL_FUNC(type, name, args) __attribute__ ((format (printf, a, b)))
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#ifndef INLINE
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#define INLINE __inline__
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#endif
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#ifndef ZERO_SIZE_ARRAY
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#if __GNUC__ < 3
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#define ZERO_SIZE_ARRAY(type, name) __extension__ type name[0]
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#else
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#define ZERO_SIZE_ARRAY(type, name) type name[] /* ISO C99 flexible array members */
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#endif
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#endif
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#ifndef LONG_LONG
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#define LONG_LONG long long
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#ifdef ALLEGRO_GUESS_INTTYPES_OK
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#define int64_t signed long long
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#define uint64_t unsigned long long
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#endif
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#endif
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#ifdef __i386__
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#define ALLEGRO_I386
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#endif
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#ifdef __amd64__
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#define ALLEGRO_AMD64
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#endif
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#ifdef __arm__
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#define ALLEGRO_ARM
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#endif
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#ifndef AL_FUNC_DEPRECATED
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#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))
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#define AL_FUNC_DEPRECATED(type, name, args) AL_FUNC(__attribute__ ((deprecated)) type, name, args)
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#define AL_PRINTFUNC_DEPRECATED(type, name, args, a, b) AL_PRINTFUNC(__attribute__ ((deprecated)) type, name, args, a, b)
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#define AL_INLINE_DEPRECATED(type, name, args, code) AL_INLINE(__attribute__ ((deprecated)) type, name, args, code)
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#endif
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#endif
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#ifndef AL_ALIAS
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#define AL_ALIAS(DECL, CALL) \
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static __attribute__((unused)) __inline__ DECL \
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{ \
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return CALL; \
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}
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#endif
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#ifndef AL_ALIAS_VOID_RET
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#define AL_ALIAS_VOID_RET(DECL, CALL) \
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static __attribute__((unused)) __inline__ void DECL \
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{ \
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CALL; \
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}
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#endif
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#endif
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/* the rest of this file fills in some default definitions of language
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* features and helper functions, which are conditionalised so they will
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* only be included if none of the above headers defined custom versions.
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*/
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#ifndef INLINE
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#define INLINE
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#endif
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#ifndef ZERO_SIZE_ARRAY
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#define ZERO_SIZE_ARRAY(type, name) type name[]
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#endif
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#ifndef AL_VAR
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#define AL_VAR(type, name) extern type name
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#endif
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#ifndef AL_ARRAY
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#define AL_ARRAY(type, name) extern type name[]
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#endif
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#ifndef AL_FUNC
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#define AL_FUNC(type, name, args) type name args
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#endif
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#ifndef AL_PRINTFUNC
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#define AL_PRINTFUNC(type, name, args, a, b) AL_FUNC(type, name, args)
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#endif
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#ifndef AL_METHOD
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#define AL_METHOD(type, name, args) type (*name) args
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#endif
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#ifndef AL_FUNCPTR
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#define AL_FUNCPTR(type, name, args) extern type (*name) args
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#endif
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#ifndef AL_FUNCPTRARRAY
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#define AL_FUNCPTRARRAY(type, name, args) extern type (*name[]) args
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#endif
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#ifndef AL_INLINE
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#define AL_INLINE(type, name, args, code) type name args;
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#endif
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#ifndef AL_FUNC_DEPRECATED
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#define AL_FUNC_DEPRECATED(type, name, args) AL_FUNC(type, name, args)
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#define AL_PRINTFUNC_DEPRECATED(type, name, args, a, b) AL_PRINTFUNC(type, name, args, a, b)
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#define AL_INLINE_DEPRECATED(type, name, args, code) AL_INLINE(type, name, args, code)
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#endif
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#ifndef AL_ALIAS
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#define AL_ALIAS(DECL, CALL) \
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static INLINE DECL \
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{ \
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return CALL; \
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}
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#endif
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#ifndef AL_ALIAS_VOID_RET
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#define AL_ALIAS_VOID_RET(DECL, CALL) \
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static INLINE void DECL \
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{ \
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CALL; \
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* endian-independent 3-byte accessor macros */
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#ifdef ALLEGRO_LITTLE_ENDIAN
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#define READ3BYTES(p) ((*(unsigned char *)(p)) \
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| (*((unsigned char *)(p) + 1) << 8) \
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| (*((unsigned char *)(p) + 2) << 16))
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#define WRITE3BYTES(p,c) ((*(unsigned char *)(p) = (c)), \
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(*((unsigned char *)(p) + 1) = (c) >> 8), \
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(*((unsigned char *)(p) + 2) = (c) >> 16))
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#elif defined ALLEGRO_BIG_ENDIAN
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#define READ3BYTES(p) ((*(unsigned char *)(p) << 16) \
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| (*((unsigned char *)(p) + 1) << 8) \
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| (*((unsigned char *)(p) + 2)))
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#define WRITE3BYTES(p,c) ((*(unsigned char *)(p) = (c) >> 16), \
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(*((unsigned char *)(p) + 1) = (c) >> 8), \
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(*((unsigned char *)(p) + 2) = (c)))
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#else
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#error endianess not defined
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#endif
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/* generic versions of the video memory access helpers */
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/* FIXME: why do we need macros for this? */
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#define bmp_write16(addr, c) (*((uint16_t *)(addr)) = (c))
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#define bmp_write32(addr, c) (*((uint32_t *)(addr)) = (c))
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#define bmp_read16(addr) (*((uint16_t *)(addr)))
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#define bmp_read32(addr) (*((uint32_t *)(addr)))
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/* default random function definition */
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#ifndef AL_RAND
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#define AL_RAND() (rand())
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#endif
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#ifdef __cplusplus
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}
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#endif
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