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forked from 0ad/0ad
0ad/source/lib/endian.cpp
janwas f3a61e4f69 wsdl: add prototypes for VC endian swap routines (avoid warning)
endian.*: split out of lib.* to reduce default dependencies
tex,zip: now include endian.h

This was SVN commit r1838.
2005-01-27 15:40:23 +00:00

46 lines
699 B
C++

#include "precompiled.h"
#include "endian.h"
u16 read_le16(const void* p)
{
#if SDL_BYTE_ORDER == SDL_BIG_ENDIAN
const u8* _p = (const u8*)p;
return (u16)_p[0] | (u16)_p[1] << 8;
#else
return *(u16*)p;
#endif
}
u32 read_le32(const void* p)
{
#if SDL_BYTE_ORDER == SDL_BIG_ENDIAN
return SDL_Swap32(*(u32*)p);
#else
return *(u32*)p;
#endif
}
u16 read_be16(const void* p)
{
#if SDL_BYTE_ORDER == SDL_BIG_ENDIAN
return *(u16*)p;
#else
const u8* _p = (const u8*)p;
return (u16)_p[0] | (u16)_p[1] << 8;
#endif
}
u32 read_be32(const void* p)
{
#if SDL_BYTE_ORDER == SDL_BIG_ENDIAN
return *(u32*)p;
#else
return SDL_Swap32(*(u32*)p);
#endif
}