sdl_stdinc.h

ffmpeg build for armv4i / windowsCE

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    [e-mail]
*/

/* This is a general header that includes C language support */

#ifndef _SDL_stdinc_h
#define _SDL_stdinc_h

#include "SDL_config.h"


#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#if defined(STDC_HEADERS)
# include <stdlib.h>
# include <stddef.h>
# include <stdarg.h>
#else
# if defined(HAVE_STDLIB_H)
#  include <stdlib.h>
# elif defined(HAVE_MALLOC_H)
#  include <malloc.h>
# endif
# if defined(HAVE_STDDEF_H)
#  include <stddef.h>
# endif
# if defined(HAVE_STDARG_H)
#  include <stdarg.h>
# endif
#endif
#ifdef HAVE_STRING_H
# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
#  include <memory.h>
# endif
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#elif defined(HAVE_STDINT_H)
# include <stdint.h>
#endif
#ifdef HAVE_CTYPE_H
# include <ctype.h>
#endif
#ifdef HAVE_ICONV_H
# include <iconv.h>
#endif

/* The number of elements in an array */
#define SDL_arraysize(array)	(sizeof(array)/sizeof(array[0]))
#define SDL_TABLESIZE(table)	SDL_arraysize(table)

/* Basic data types */
typedef enum SDL_bool {
	SDL_FALSE = 0,
	SDL_TRUE  = 1
} SDL_bool;

typedef int8_t		Sint8;
typedef uint8_t		Uint8;
typedef int16_t		Sint16;
typedef uint16_t	Uint16;
typedef int32_t		Sint32;
typedef uint32_t	Uint32;

#ifdef SDL_HAS_64BIT_TYPE
typedef int64_t		Sint64;
#ifndef SYMBIAN32_GCCE
typedef uint64_t	Uint64;
#endif
#else
/* This is really just a hack to prevent the compiler from complaining */
typedef struct {
	Uint32 hi;
	Uint32 lo;
} Uint64, Sint64;
#endif

/* Make sure the types really have the right sizes */
#define SDL_COMPILE_TIME_ASSERT(name, x)               \
       typedef int SDL_dummy_ ## name[(x) * 2 - 1]

SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);

/* Check to make sure enums are the size of ints, for structure packing.
   For both Watcom C/C++ and Borland C/C++ the compiler option that makes
   enums having the size of an int must be enabled.
   This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
*/
/* Enable enums always int in CodeWarrior (for MPW use "-enum int") */
#ifdef __MWERKS__
#pragma enumsalwaysint on
#endif

typedef enum {
	DUMMY_ENUM_VALUE
} SDL_DUMMY_ENUM;

#ifndef __NDS__
SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
#endif


#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif

#ifdef HAVE_MALLOC
#define SDL_malloc	malloc
#else
extern DECLSPEC void * SDLCALL SDL_malloc(size_t size);
#endif

#ifdef HAVE_CALLOC
#define SDL_calloc	calloc
#else
extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size);
#endif

#ifdef HAVE_REALLOC
#define SDL_realloc	realloc
#else
extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size);
#endif

#ifdef HAVE_FREE
#define SDL_free	free
#else
extern DECLSPEC void SDLCALL SDL_free(void *mem);
#endif

#if defined(HAVE_ALLOCA) && !defined(alloca)
# if defined(HAVE_ALLOCA_H)
#  include <alloca.h>
# elif defined(__GNUC__)
#  define alloca __builtin_alloca
# elif defined(_MSC_VER)
#  include <malloc.h>
#  define alloca _alloca
# elif defined(__WATCOMC__)
#  include <malloc.h>
# elif defined(__BORLANDC__)
#  include <malloc.h>
# elif defined(__DMC__)
#  include <stdlib.h>
# elif defined(__AIX__)
  #pragma alloca
# elif defined(__MRC__)
   void *alloca (unsigned);
# else
   char *alloca ();
# endif
#endif
#ifdef HAVE_ALLOCA
#define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
#define SDL_stack_free(data)
#else
#define SDL_stack_alloc(type, count)    (type*)SDL_malloc(sizeof(type)*(count))
#define SDL_stack_free(data)            SDL_free(data)
#endif

#ifdef HAVE_GETENV
#define SDL_getenv	getenv
#else
extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
#endif

#ifdef HAVE_PUTENV
#define SDL_putenv	putenv
#else
extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
#endif

#ifdef HAVE_QSORT
#define SDL_qsort	qsort
#else
extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
           int (*compare)(const void *, const void *));
#endif

#ifdef HAVE_ABS
#define SDL_abs		abs
#else
#define SDL_abs(X)	((X) < 0 ? -(X) : (X))
#endif

#define SDL_min(x, y)	(((x) < (y)) ? (x) : (y))
#define SDL_max(x, y)	(((x) > (y)) ? (x) : (y))

#ifdef HAVE_CTYPE_H
#define SDL_isdigit(X)  isdigit(X)
#define SDL_isspace(X)  isspace(X)
#define SDL_toupper(X)  toupper(X)
#define SDL_tolower(X)  tolower(X)
#else
#define SDL_isdigit(X)  (((X) >= '0') && ((X) <= '9'))
#define SDL_isspace(X)  (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
#define SDL_toupper(X)  (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
#define SDL_tolower(X)  (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
#endif

#ifdef HAVE_MEMSET
#define SDL_memset      memset
#else
extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len);
#endif

#if defined(__GNUC__) && defined(i386)
#define SDL_memset4(dst, val, len)				\
do {								\
	int u0, u1, u2;						\
	__asm__ __volatile__ (					\
		"cld\n\t"					\
		"rep ; stosl\n\t"				\
		: "=&D" (u0), "=&a" (u1), "=&c" (u2)		\
		: "0" (dst), "1" (val), "2" ((Uint32)(len))	\
		: "memory" );					\
} while(0)
#endif
#ifndef SDL_memset4
#define SDL_memset4(dst, val, len)		\
do {						\
	unsigned _count = (len);		\
	unsigned _n = (_count + 3) / 4;		\
	Uint32 *_p = (Uint32 *)(dst);		\
	Uint32 _val = (val);			\
        switch (_count % 4) {			\
        case 0: do {    *_p++ = _val;		\
        case 3:         *_p++ = _val;		\
        case 2:         *_p++ = _val;		\
        case 1:         *_p++ = _val;		\
		} while ( --_n );		\
	}					\
} while(0)
#endif

/* We can count on memcpy existing on Mac OS X and being well-tuned. */
#if defined(__MACH__) && defined(__APPLE__)
#define SDL_memcpy(dst, src, len) memcpy(dst, src, len)
#elif defined(__GNUC__) && defined(i386)
#define SDL_memcpy(dst, src, len)					  \
do {									  \
	int u0, u1, u2;						  	  \
	__asm__ __volatile__ (						  \
		"cld\n\t"						  \
		"rep ; movsl\n\t"					  \
		"testb $2,%b4\n\t"					  \
		"je 1f\n\t"						  \
		"movsw\n"						  \
		"1:\ttestb $1,%b4\n\t"					  \
		"je 2f\n\t"						  \
		"movsb\n"						  \
		"2:"							  \
		: "=&c" (u0), "=&D" (u1), "=&S" (u2)			  \
		: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \
		: "memory" );						  \
} while(0)
#endif
#ifndef SDL_memcpy
#ifdef HAVE_MEMCPY
#define SDL_memcpy      memcpy
#elif defined(HAVE_BCOPY)
#define SDL_memcpy(d, s, n)	bcopy((s), (d), (n))
#else