1
0
forked from 0ad/0ad
0ad/source/lib/byte_order.cpp
2005-01-27 20:00:47 +00:00

46 lines
703 B
C++

#include "precompiled.h"
#include "byte_order.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
}