RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 19:17:35 +00:00
Code Issues Activity Actions

AK: Add Endian.h header to replace NetworkOrdered.h.

Browse source
This commit is contained in:
asynts 2020-08-25 15:11:15 +02:00 • committed by Andreas Kling
parent ecf6cbbd02
commit 10c6f062b3
20 changed files with 195 additions and 106 deletions
Download patch file Download diff file Expand all files Collapse all files

35
AK/Platform.h
View file

@ -37,17 +37,17 @@
#define ARCH(arch) (defined(AK_ARCH_##arch) && AK_ARCH_##arch)
#ifdef ALWAYS_INLINE
#undef ALWAYS_INLINE
# undef ALWAYS_INLINE
#endif
#define ALWAYS_INLINE [[gnu::always_inline]] inline
#ifdef NEVER_INLINE
#undef NEVER_INLINE
# undef NEVER_INLINE
#endif
#define NEVER_INLINE [[gnu::noinline]]
#ifdef FLATTEN
#undef FLATTEN
# undef FLATTEN
#endif
#define FLATTEN [[gnu::flatten]]
@ -71,33 +71,16 @@ inline int open_with_path_length(const char* path, size_t path_length, int optio
}
#endif
template<typename T>
ALWAYS_INLINE T convert_between_host_and_network(T value)
{
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
if constexpr (sizeof(T) == 8)
return __builtin_bswap64(value);
if constexpr (sizeof(T) == 4)
return __builtin_bswap32(value);
if constexpr (sizeof(T) == 2)
return __builtin_bswap16(value);
if constexpr (sizeof(T) == 1)
return value;
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
return value;
#endif
}
ALWAYS_INLINE int count_trailing_zeroes_32(unsigned int val)
{
#if defined(__GNUC__) || defined(__clang__)
return __builtin_ctz(val);
return __builtin_ctz(val);
#else
for (u8 i = 0; i < 32; ++i) {
if ((val >> i) & 1) {
return i;
}
for (u8 i = 0; i < 32; ++i) {
if ((val >> i) & 1) {
return i;
}
return 0;
}
return 0;
#endif
}