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LibC: Reorder definitions in endian.h to match POSIX spec order

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No behavior change. This makes it a bit easier to compare the header
with the POSIX spec.
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Sönke Holz authored and Sönke Holz committed 2026-02-26 23:09:53 +01:00
1 parent e2a5a212e0
commit 835be1085d
1 file changed
+28 -22
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Userland/Libraries/LibC/endian.h
+28 -22
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@@ -15,6 +15,10 @@
__BEGIN_DECLS
// "BYTE_ORDER
// This macro shall have a value equal to one of the *_ENDIAN macros in this header."
#define BYTE_ORDER __BYTE_ORDER__
// "LITTLE_ENDIAN
// If BYTE_ORDER == LITTLE_ENDIAN, the host byte order is from least significant to most significant."
#define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
@@ -23,41 +27,43 @@ __BEGIN_DECLS
// If BYTE_ORDER == BIG_ENDIAN, the host byte order is from most significant to least significant."
#define BIG_ENDIAN __ORDER_BIG_ENDIAN__
// "BYTE_ORDER
// This macro shall have a value equal to one of the *_ENDIAN macros in this header."
#define BYTE_ORDER __BYTE_ORDER__
// These definitions are not required by POSIX, but are assumed to be present by some ports.
#define __BYTE_ORDER BYTE_ORDER
#define __LITTLE_ENDIAN LITTLE_ENDIAN
#define __BIG_ENDIAN BIG_ENDIAN
#if BYTE_ORDER == LITTLE_ENDIAN
# define htole16(x) ((uint16_t)(x))
# define le16toh(x) ((uint16_t)(x))
# define htole32(x) ((uint32_t)(x))
# define le32toh(x) ((uint32_t)(x))
# define htole64(x) ((uint64_t)(x))
# define le64toh(x) ((uint64_t)(x))
# define htobe16(x) (__builtin_bswap16(x))
# define be16toh(x) (__builtin_bswap16(x))
# define htobe32(x) (__builtin_bswap32(x))
# define be32toh(x) (__builtin_bswap32(x))
# define htobe64(x) (__builtin_bswap64(x))
# define be64toh(x) (__builtin_bswap64(x))
# define htobe16(x) (__builtin_bswap16(x))
# define htobe32(x) (__builtin_bswap32(x))
# define htobe64(x) (__builtin_bswap64(x))
# define htole16(x) ((uint16_t)(x))
# define htole32(x) ((uint32_t)(x))
# define htole64(x) ((uint64_t)(x))
# define le16toh(x) ((uint16_t)(x))
# define le32toh(x) ((uint32_t)(x))
# define le64toh(x) ((uint64_t)(x))
#else
# define htole16(x) (__builtin_bswap16(x))
# define le16toh(x) (__builtin_bswap16(x))
# define htole32(x) (__builtin_bswap32(x))
# define le32toh(x) (__builtin_bswap32(x))
# define htole64(x) (__builtin_bswap64(x))
# define le64toh(x) (__builtin_bswap64(x))
# define htobe16(x) ((uint16_t)(x))
# define be16toh(x) ((uint16_t)(x))
# define htobe32(x) ((uint32_t)(x))
# define be32toh(x) ((uint32_t)(x))
# define htobe64(x) ((uint64_t)(x))
# define be64toh(x) ((uint64_t)(x))
# define htobe16(x) ((uint16_t)(x))
# define htobe32(x) ((uint32_t)(x))
# define htobe64(x) ((uint64_t)(x))
# define htole16(x) (__builtin_bswap16(x))
# define htole32(x) (__builtin_bswap32(x))
# define htole64(x) (__builtin_bswap64(x))
# define le16toh(x) (__builtin_bswap16(x))
# define le32toh(x) (__builtin_bswap32(x))
# define le64toh(x) (__builtin_bswap64(x))
#endif
__END_DECLS