src/endian/SDL_endian.c
author Sam Lantinga
Mon, 06 Feb 2006 08:28:51 +0000
changeset 1330 450721ad5436
parent 1312 c9b51268668f
permissions -rw-r--r--
It's now possible to build SDL without any C runtime at all on Windows,
using Visual C++ 2005
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 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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/* Functions for dynamically reading and writing endian-specific values */
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#include "SDL_endian.h"
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Uint16 SDL_ReadLE16 (SDL_RWops *src)
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{
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	Uint16 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapLE16(value));
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}
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Uint16 SDL_ReadBE16 (SDL_RWops *src)
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{
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	Uint16 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapBE16(value));
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}
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Uint32 SDL_ReadLE32 (SDL_RWops *src)
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{
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	Uint32 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapLE32(value));
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}
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Uint32 SDL_ReadBE32 (SDL_RWops *src)
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{
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	Uint32 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapBE32(value));
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}
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Uint64 SDL_ReadLE64 (SDL_RWops *src)
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{
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	Uint64 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapLE64(value));
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}
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Uint64 SDL_ReadBE64 (SDL_RWops *src)
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{
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	Uint64 value;
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	SDL_RWread(src, &value, (sizeof value), 1);
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	return(SDL_SwapBE64(value));
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}
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int SDL_WriteLE16 (SDL_RWops *dst, Uint16 value)
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{
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	value = SDL_SwapLE16(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}
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int SDL_WriteBE16 (SDL_RWops *dst, Uint16 value)
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{
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	value = SDL_SwapBE16(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}
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int SDL_WriteLE32 (SDL_RWops *dst, Uint32 value)
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{
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	value = SDL_SwapLE32(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}
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int SDL_WriteBE32 (SDL_RWops *dst, Uint32 value)
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{
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	value = SDL_SwapBE32(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}
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int SDL_WriteLE64 (SDL_RWops *dst, Uint64 value)
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{
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	value = SDL_SwapLE64(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}
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int SDL_WriteBE64 (SDL_RWops *dst, Uint64 value)
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{
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	value = SDL_SwapBE64(value);
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	return(SDL_RWwrite(dst, &value, (sizeof value), 1));
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}