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401a73862a
DONT_BUILD. git-svn-id: https://svn.eduke32.com/eduke32@4102 1a8010ca-5511-0410-912e-c29ae57300e0
597 lines
16 KiB
C
597 lines
16 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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/* This is a general header that includes C language support */
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#ifndef _SDL_stdinc_h
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#define _SDL_stdinc_h
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#include "SDL_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_STDIO_H
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#include <stdio.h>
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#endif
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#if defined(STDC_HEADERS)
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# include <stdlib.h>
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# include <stddef.h>
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# include <stdarg.h>
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#else
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# if defined(HAVE_STDLIB_H)
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# include <stdlib.h>
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# elif defined(HAVE_MALLOC_H)
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# include <malloc.h>
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# endif
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# if defined(HAVE_STDDEF_H)
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# include <stddef.h>
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# endif
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# if defined(HAVE_STDARG_H)
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# include <stdarg.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
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# include <memory.h>
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# endif
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#if defined(HAVE_INTTYPES_H)
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# include <inttypes.h>
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#elif defined(HAVE_STDINT_H)
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# include <stdint.h>
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#endif
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#ifdef HAVE_CTYPE_H
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# include <ctype.h>
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#endif
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#ifdef HAVE_ICONV_H
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# include <iconv.h>
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#endif
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/* The number of elements in an array */
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#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
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#define SDL_TABLESIZE(table) SDL_arraysize(table)
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/* Basic data types */
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typedef enum SDL_bool {
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SDL_FALSE = 0,
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SDL_TRUE = 1
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} SDL_bool;
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typedef int8_t Sint8;
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typedef uint8_t Uint8;
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typedef int16_t Sint16;
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typedef uint16_t Uint16;
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typedef int32_t Sint32;
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typedef uint32_t Uint32;
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#ifdef SDL_HAS_64BIT_TYPE
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typedef int64_t Sint64;
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#ifndef SYMBIAN32_GCCE
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typedef uint64_t Uint64;
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#endif
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#else
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/* This is really just a hack to prevent the compiler from complaining */
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typedef struct {
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Uint32 hi;
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Uint32 lo;
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} Uint64, Sint64;
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#endif
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/* Make sure the types really have the right sizes */
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#define SDL_COMPILE_TIME_ASSERT(name, x) \
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typedef int SDL_dummy_ ## name[(x) * 2 - 1]
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SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1);
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SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1);
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SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2);
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SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2);
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SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4);
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SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4);
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SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8);
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SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8);
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/* Check to make sure enums are the size of ints, for structure packing.
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For both Watcom C/C++ and Borland C/C++ the compiler option that makes
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enums having the size of an int must be enabled.
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This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11).
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*/
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/* Enable enums always int in CodeWarrior (for MPW use "-enum int") */
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#ifdef __MWERKS__
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#pragma enumsalwaysint on
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#endif
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typedef enum {
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DUMMY_ENUM_VALUE
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} SDL_DUMMY_ENUM;
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#ifndef __NDS__
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SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
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#endif
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef HAVE_MALLOC
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#define SDL_malloc malloc
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#else
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extern DECLSPEC void * SDLCALL SDL_malloc(size_t size);
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#endif
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#ifdef HAVE_CALLOC
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#define SDL_calloc calloc
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#else
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extern DECLSPEC void * SDLCALL SDL_calloc(size_t nmemb, size_t size);
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#endif
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#ifdef HAVE_REALLOC
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#define SDL_realloc realloc
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#else
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extern DECLSPEC void * SDLCALL SDL_realloc(void *mem, size_t size);
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#endif
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#ifdef HAVE_FREE
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#define SDL_free free
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#else
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extern DECLSPEC void SDLCALL SDL_free(void *mem);
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#endif
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#if defined(HAVE_ALLOCA) && !defined(alloca)
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# if defined(HAVE_ALLOCA_H)
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# include <alloca.h>
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# elif defined(__GNUC__)
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# define alloca __builtin_alloca
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# elif defined(_MSC_VER)
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# include <malloc.h>
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# define alloca _alloca
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# elif defined(__WATCOMC__)
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# include <malloc.h>
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# elif defined(__BORLANDC__)
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# include <malloc.h>
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# elif defined(__DMC__)
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# include <stdlib.h>
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# elif defined(__AIX__)
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#pragma alloca
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# elif defined(__MRC__)
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void *alloca (unsigned);
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# else
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char *alloca ();
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# endif
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#endif
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#ifdef HAVE_ALLOCA
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#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count))
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#define SDL_stack_free(data)
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#else
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#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count))
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#define SDL_stack_free(data) SDL_free(data)
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#endif
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#ifdef HAVE_GETENV
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#define SDL_getenv getenv
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#else
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extern DECLSPEC char * SDLCALL SDL_getenv(const char *name);
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#endif
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#ifdef HAVE_PUTENV
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#define SDL_putenv putenv
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#else
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extern DECLSPEC int SDLCALL SDL_putenv(const char *variable);
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#endif
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#ifdef HAVE_QSORT
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#define SDL_qsort qsort
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#else
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extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size,
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int (*compare)(const void *, const void *));
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#endif
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#ifdef HAVE_ABS
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#define SDL_abs abs
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#else
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#define SDL_abs(X) ((X) < 0 ? -(X) : (X))
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#endif
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#define SDL_min(x, y) (((x) < (y)) ? (x) : (y))
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#define SDL_max(x, y) (((x) > (y)) ? (x) : (y))
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#ifdef HAVE_CTYPE_H
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#define SDL_isdigit(X) isdigit(X)
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#define SDL_isspace(X) isspace(X)
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#define SDL_toupper(X) toupper(X)
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#define SDL_tolower(X) tolower(X)
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#else
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#define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9'))
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#define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n'))
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#define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X))
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#define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X))
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#endif
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#ifdef HAVE_MEMSET
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#define SDL_memset memset
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#else
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extern DECLSPEC void * SDLCALL SDL_memset(void *dst, int c, size_t len);
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#endif
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#if defined(__GNUC__) && defined(i386)
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#define SDL_memset4(dst, val, len) \
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do { \
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int u0, u1, u2; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; stosl\n\t" \
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: "=&D" (u0), "=&a" (u1), "=&c" (u2) \
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: "0" (dst), "1" (val), "2" ((Uint32)(len)) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memset4
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#define SDL_memset4(dst, val, len) \
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do { \
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unsigned _count = (len); \
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unsigned _n = (_count + 3) / 4; \
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Uint32 *_p = (Uint32 *)(dst); \
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Uint32 _val = (val); \
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switch (_count % 4) { \
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case 0: do { *_p++ = _val; \
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case 3: *_p++ = _val; \
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case 2: *_p++ = _val; \
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case 1: *_p++ = _val; \
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} while ( --_n ); \
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} \
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} while(0)
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#endif
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/* We can count on memcpy existing on Mac OS X and being well-tuned. */
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#if defined(__MACH__) && defined(__APPLE__)
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#define SDL_memcpy(dst, src, len) memcpy(dst, src, len)
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#elif defined(__GNUC__) && defined(i386)
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#define SDL_memcpy(dst, src, len) \
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do { \
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int u0, u1, u2; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; movsl\n\t" \
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"testb $2,%b4\n\t" \
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"je 1f\n\t" \
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"movsw\n" \
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"1:\ttestb $1,%b4\n\t" \
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"je 2f\n\t" \
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"movsb\n" \
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"2:" \
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: "=&c" (u0), "=&D" (u1), "=&S" (u2) \
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: "0" ((unsigned)(len)/4), "q" (len), "1" (dst),"2" (src) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memcpy
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#ifdef HAVE_MEMCPY
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#define SDL_memcpy memcpy
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#elif defined(HAVE_BCOPY)
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#define SDL_memcpy(d, s, n) bcopy((s), (d), (n))
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#else
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extern DECLSPEC void * SDLCALL SDL_memcpy(void *dst, const void *src, size_t len);
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#endif
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#endif
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/* We can count on memcpy existing on Mac OS X and being well-tuned. */
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#if defined(__MACH__) && defined(__APPLE__)
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#define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4)
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#elif defined(__GNUC__) && defined(i386)
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#define SDL_memcpy4(dst, src, len) \
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do { \
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int ecx, edi, esi; \
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__asm__ __volatile__ ( \
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"cld\n\t" \
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"rep ; movsl" \
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: "=&c" (ecx), "=&D" (edi), "=&S" (esi) \
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: "0" ((unsigned)(len)), "1" (dst), "2" (src) \
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: "memory" ); \
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} while(0)
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#endif
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#ifndef SDL_memcpy4
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#define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2)
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#endif
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#if defined(__GNUC__) && defined(i386)
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#define SDL_revcpy(dst, src, len) \
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do { \
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int u0, u1, u2; \
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char *dstp = (char *)(dst); \
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char *srcp = (char *)(src); \
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int n = (len); \
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if ( n >= 4 ) { \
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__asm__ __volatile__ ( \
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"std\n\t" \
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"rep ; movsl\n\t" \
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"cld\n\t" \
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: "=&c" (u0), "=&D" (u1), "=&S" (u2) \
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: "0" (n >> 2), \
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"1" (dstp+(n-4)), "2" (srcp+(n-4)) \
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: "memory" ); \
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} \
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switch (n & 3) { \
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case 3: dstp[2] = srcp[2]; \
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case 2: dstp[1] = srcp[1]; \
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case 1: dstp[0] = srcp[0]; \
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break; \
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default: \
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break; \
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} \
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} while(0)
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#endif
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#ifndef SDL_revcpy
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extern DECLSPEC void * SDLCALL SDL_revcpy(void *dst, const void *src, size_t len);
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#endif
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#ifdef HAVE_MEMMOVE
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#define SDL_memmove memmove
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#elif defined(HAVE_BCOPY)
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#define SDL_memmove(d, s, n) bcopy((s), (d), (n))
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#else
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#define SDL_memmove(dst, src, len) \
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do { \
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if ( dst < src ) { \
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SDL_memcpy(dst, src, len); \
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} else { \
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SDL_revcpy(dst, src, len); \
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} \
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} while(0)
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#endif
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#ifdef HAVE_MEMCMP
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#define SDL_memcmp memcmp
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#else
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extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
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#endif
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#ifdef HAVE_STRLEN
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#define SDL_strlen strlen
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#else
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extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string);
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#endif
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#ifdef HAVE_STRLCPY
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#define SDL_strlcpy strlcpy
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#else
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extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, size_t maxlen);
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#endif
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#ifdef HAVE_STRLCAT
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#define SDL_strlcat strlcat
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#else
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extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, size_t maxlen);
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#endif
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#ifdef HAVE_STRDUP
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#define SDL_strdup strdup
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#else
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extern DECLSPEC char * SDLCALL SDL_strdup(const char *string);
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#endif
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#ifdef HAVE__STRREV
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#define SDL_strrev _strrev
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#else
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extern DECLSPEC char * SDLCALL SDL_strrev(char *string);
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#endif
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#ifdef HAVE__STRUPR
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#define SDL_strupr _strupr
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#else
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extern DECLSPEC char * SDLCALL SDL_strupr(char *string);
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#endif
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#ifdef HAVE__STRLWR
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#define SDL_strlwr _strlwr
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#else
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extern DECLSPEC char * SDLCALL SDL_strlwr(char *string);
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#endif
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#ifdef HAVE_STRCHR
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#define SDL_strchr strchr
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#elif defined(HAVE_INDEX)
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#define SDL_strchr index
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#else
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extern DECLSPEC char * SDLCALL SDL_strchr(const char *string, int c);
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#endif
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#ifdef HAVE_STRRCHR
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#define SDL_strrchr strrchr
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#elif defined(HAVE_RINDEX)
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#define SDL_strrchr rindex
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#else
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extern DECLSPEC char * SDLCALL SDL_strrchr(const char *string, int c);
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#endif
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#ifdef HAVE_STRSTR
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#define SDL_strstr strstr
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#else
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extern DECLSPEC char * SDLCALL SDL_strstr(const char *haystack, const char *needle);
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#endif
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#ifdef HAVE_ITOA
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#define SDL_itoa itoa
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#else
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#define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix)
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#endif
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#ifdef HAVE__LTOA
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#define SDL_ltoa _ltoa
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#else
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extern DECLSPEC char * SDLCALL SDL_ltoa(long value, char *string, int radix);
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#endif
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#ifdef HAVE__UITOA
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#define SDL_uitoa _uitoa
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#else
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#define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix)
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#endif
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#ifdef HAVE__ULTOA
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#define SDL_ultoa _ultoa
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#else
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extern DECLSPEC char * SDLCALL SDL_ultoa(unsigned long value, char *string, int radix);
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#endif
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#ifdef HAVE_STRTOL
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#define SDL_strtol strtol
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#else
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extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, int base);
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#endif
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#ifdef HAVE_STRTOUL
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#define SDL_strtoul strtoul
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#else
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extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, char **endp, int base);
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#endif
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#ifdef SDL_HAS_64BIT_TYPE
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#ifdef HAVE__I64TOA
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#define SDL_lltoa _i64toa
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#else
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extern DECLSPEC char* SDLCALL SDL_lltoa(Sint64 value, char *string, int radix);
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#endif
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#ifdef HAVE__UI64TOA
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#define SDL_ulltoa _ui64toa
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#else
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extern DECLSPEC char* SDLCALL SDL_ulltoa(Uint64 value, char *string, int radix);
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#endif
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#ifdef HAVE_STRTOLL
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#define SDL_strtoll strtoll
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#else
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extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, int base);
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#endif
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#ifdef HAVE_STRTOULL
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#define SDL_strtoull strtoull
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#else
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extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, int base);
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#endif
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#endif /* SDL_HAS_64BIT_TYPE */
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#ifdef HAVE_STRTOD
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#define SDL_strtod strtod
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#else
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extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp);
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#endif
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#ifdef HAVE_ATOI
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#define SDL_atoi atoi
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#else
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#define SDL_atoi(X) SDL_strtol(X, NULL, 0)
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#endif
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#ifdef HAVE_ATOF
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#define SDL_atof atof
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#else
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#define SDL_atof(X) SDL_strtod(X, NULL)
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#endif
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#ifdef HAVE_STRCMP
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#define SDL_strcmp strcmp
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#else
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extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2);
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#endif
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#ifdef HAVE_STRNCMP
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#define SDL_strncmp strncmp
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#else
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extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size_t maxlen);
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#endif
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#ifdef HAVE_STRCASECMP
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#define SDL_strcasecmp strcasecmp
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#elif defined(HAVE__STRICMP)
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#define SDL_strcasecmp _stricmp
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#else
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extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
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#endif
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#ifdef HAVE_STRNCASECMP
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#define SDL_strncasecmp strncasecmp
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#elif defined(HAVE__STRNICMP)
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#define SDL_strncasecmp _strnicmp
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#else
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extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen);
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#endif
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#ifdef HAVE_SSCANF
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#define SDL_sscanf sscanf
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#else
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extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, ...);
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#endif
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#ifdef HAVE_SNPRINTF
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#define SDL_snprintf snprintf
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#else
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extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *fmt, ...);
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#endif
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#ifdef HAVE_VSNPRINTF
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#define SDL_vsnprintf vsnprintf
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#else
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extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
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#endif
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/* The SDL implementation of iconv() returns these error codes */
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#define SDL_ICONV_ERROR (size_t)-1
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#define SDL_ICONV_E2BIG (size_t)-2
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#define SDL_ICONV_EILSEQ (size_t)-3
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#define SDL_ICONV_EINVAL (size_t)-4
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#ifdef HAVE_ICONV
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#define SDL_iconv_t iconv_t
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#define SDL_iconv_open iconv_open
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#define SDL_iconv_close iconv_close
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#else
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typedef struct _SDL_iconv_t *SDL_iconv_t;
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extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode);
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extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
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#endif
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extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
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/* This function converts a string between encodings in one pass, returning a
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string that must be freed with SDL_free() or NULL on error.
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*/
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extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, const char *inbuf, size_t inbytesleft);
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#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
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#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
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#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include "close_code.h"
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#endif /* _SDL_stdinc_h */
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