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Location: cpp/openttd-patchpack/source/src/core/endian_func.hpp - annotation
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(svn r12716) -Fix: Do not compare StationIDs with DepotIDs or WaypointIDs.
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/** @file endian_func.hpp */
#ifndef ENDIAN_FUNC_H
#define ENDIAN_FUNC_H
#include "bitmath_func.hpp"
#if defined(ARM) || defined(__arm__) || defined(__alpha__)
#define OTTD_ALIGNMENT
#endif
/* Windows has always LITTLE_ENDIAN */
#if defined(WIN32) || defined(__OS2__) || defined(WIN64)
#define TTD_LITTLE_ENDIAN
#elif !defined(TESTING)
/* Else include endian[target/host].h, which has the endian-type, autodetected by the Makefile */
#if defined(STRGEN)
#include "endian_host.h"
#else
#include "endian_target.h"
#endif
#endif /* WIN32 || __OS2__ || WIN64 */
/* Setup alignment and conversion macros */
#if defined(TTD_BIG_ENDIAN)
#define FROM_BE16(x) (x)
#define FROM_BE32(x) (x)
#define TO_BE16(x) (x)
#define TO_BE32(x) (x)
#define TO_BE32X(x) (x)
#define FROM_LE16(x) BSWAP16(x)
#define FROM_LE32(x) BSWAP32(x)
#define TO_LE16(x) BSWAP16(x)
#define TO_LE32(x) BSWAP32(x)
#define TO_LE32X(x) BSWAP32(x)
#else
#define FROM_BE16(x) BSWAP16(x)
#define FROM_BE32(x) BSWAP32(x)
#define TO_BE16(x) BSWAP16(x)
#define TO_BE32(x) BSWAP32(x)
#define TO_BE32X(x) BSWAP32(x)
#define FROM_LE16(x) (x)
#define FROM_LE32(x) (x)
#define TO_LE16(x) (x)
#define TO_LE32(x) (x)
#define TO_LE32X(x) (x)
#endif /* TTD_BIG_ENDIAN */
static inline uint16 ReadLE16Aligned(const void *x)
{
return FROM_LE16(*(const uint16*)x);
}
static inline uint16 ReadLE16Unaligned(const void *x)
{
#ifdef OTTD_ALIGNMENT
return ((const byte*)x)[0] | ((const byte*)x)[1] << 8;
#else
return FROM_LE16(*(const uint16*)x);
#endif
}
#endif /* ENDIAN_FUNC_HPP */
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