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src/sph_types.h  view on Meta::CPAN

 * @param x   the 64-bit value to byte-swap
 * @return  the byte-swapped value
 */
static inline sph_u64 sph_bswap64(sph_u64 x);

/**
 * Decode a 16-bit unsigned value from memory, in little-endian convention
 * (least significant byte comes first).
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline unsigned sph_dec16le(const void *src);

/**
 * Encode a 16-bit unsigned value into memory, in little-endian convention
 * (least significant byte comes first).
 *
 * @param dst   the destination buffer
 * @param val   the value to encode
 */
static inline void sph_enc16le(void *dst, unsigned val);

/**
 * Decode a 16-bit unsigned value from memory, in big-endian convention
 * (most significant byte comes first).
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline unsigned sph_dec16be(const void *src);

/**
 * Encode a 16-bit unsigned value into memory, in big-endian convention
 * (most significant byte comes first).
 *
 * @param dst   the destination buffer
 * @param val   the value to encode
 */
static inline void sph_enc16be(void *dst, unsigned val);

/**
 * Decode a 32-bit unsigned value from memory, in little-endian convention
 * (least significant byte comes first).
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u32 sph_dec32le(const void *src);

/**
 * Decode a 32-bit unsigned value from memory, in little-endian convention
 * (least significant byte comes first). This function assumes that the
 * source address is suitably aligned for a direct access, if the platform
 * supports such things; it can thus be marginally faster than the generic
 * <code>sph_dec32le()</code> function.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u32 sph_dec32le_aligned(const void *src);

/**
 * Encode a 32-bit unsigned value into memory, in little-endian convention
 * (least significant byte comes first).
 *
 * @param dst   the destination buffer
 * @param val   the value to encode
 */

src/sph_types.h  view on Meta::CPAN

 * @param dst   the destination buffer
 * @param val   the value to encode
 */
static inline void sph_enc32le_aligned(void *dst, sph_u32 val);

/**
 * Decode a 32-bit unsigned value from memory, in big-endian convention
 * (most significant byte comes first).
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u32 sph_dec32be(const void *src);

/**
 * Decode a 32-bit unsigned value from memory, in big-endian convention
 * (most significant byte comes first). This function assumes that the
 * source address is suitably aligned for a direct access, if the platform
 * supports such things; it can thus be marginally faster than the generic
 * <code>sph_dec32be()</code> function.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u32 sph_dec32be_aligned(const void *src);

/**
 * Encode a 32-bit unsigned value into memory, in big-endian convention
 * (most significant byte comes first).
 *
 * @param dst   the destination buffer
 * @param val   the value to encode
 */

src/sph_types.h  view on Meta::CPAN

 * @param val   the value to encode
 */
static inline void sph_enc32be_aligned(void *dst, sph_u32 val);

/**
 * Decode a 64-bit unsigned value from memory, in little-endian convention
 * (least significant byte comes first). This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u64 sph_dec64le(const void *src);

/**
 * Decode a 64-bit unsigned value from memory, in little-endian convention
 * (least significant byte comes first). This function assumes that the
 * source address is suitably aligned for a direct access, if the platform
 * supports such things; it can thus be marginally faster than the generic
 * <code>sph_dec64le()</code> function. This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u64 sph_dec64le_aligned(const void *src);

/**
 * Encode a 64-bit unsigned value into memory, in little-endian convention
 * (least significant byte comes first). This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param dst   the destination buffer
 * @param val   the value to encode

src/sph_types.h  view on Meta::CPAN

 * @param val   the value to encode
 */
static inline void sph_enc64le_aligned(void *dst, sph_u64 val);

/**
 * Decode a 64-bit unsigned value from memory, in big-endian convention
 * (most significant byte comes first). This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u64 sph_dec64be(const void *src);

/**
 * Decode a 64-bit unsigned value from memory, in big-endian convention
 * (most significant byte comes first). This function assumes that the
 * source address is suitably aligned for a direct access, if the platform
 * supports such things; it can thus be marginally faster than the generic
 * <code>sph_dec64be()</code> function. This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param src   the source address
 * @return  the decoded value
 */
static inline sph_u64 sph_dec64be_aligned(const void *src);

/**
 * Encode a 64-bit unsigned value into memory, in big-endian convention
 * (most significant byte comes first). This function is defined only
 * if a suitable 64-bit type was detected and used for <code>sph_u64</code>.
 *
 * @param dst   the destination buffer
 * @param val   the value to encode

src/sph_types.h  view on Meta::CPAN

	((unsigned char *)dst)[1] = (val >> 16);
	((unsigned char *)dst)[2] = (val >> 8);
	((unsigned char *)dst)[3] = val;
#endif
}

/**
 * Decode a 32-bit value from the provided buffer (big endian convention).
 *
 * @param src   the source buffer
 * @return  the decoded value
 */
static SPH_INLINE sph_u32
sph_dec32be(const void *src)
{
#if defined SPH_UPTR
#if SPH_UNALIGNED
#if SPH_LITTLE_ENDIAN
	return sph_bswap32(*(const sph_u32 *)src);
#else
	return *(const sph_u32 *)src;

src/sph_types.h  view on Meta::CPAN

		| ((sph_u32)(((const unsigned char *)src)[2]) << 8)
		| (sph_u32)(((const unsigned char *)src)[3]);
#endif
}

/**
 * Decode a 32-bit value from the provided buffer (big endian convention).
 * The source buffer must be properly aligned.
 *
 * @param src   the source buffer (32-bit aligned)
 * @return  the decoded value
 */
static SPH_INLINE sph_u32
sph_dec32be_aligned(const void *src)
{
#if SPH_LITTLE_ENDIAN
	return sph_bswap32(*(const sph_u32 *)src);
#elif SPH_BIG_ENDIAN
	return *(const sph_u32 *)src;
#else
	return ((sph_u32)(((const unsigned char *)src)[0]) << 24)

src/sph_types.h  view on Meta::CPAN

	((unsigned char *)dst)[1] = (val >> 8);
	((unsigned char *)dst)[2] = (val >> 16);
	((unsigned char *)dst)[3] = (val >> 24);
#endif
}

/**
 * Decode a 32-bit value from the provided buffer (little endian convention).
 *
 * @param src   the source buffer
 * @return  the decoded value
 */
static SPH_INLINE sph_u32
sph_dec32le(const void *src)
{
#if defined SPH_UPTR
#if SPH_UNALIGNED
#if SPH_BIG_ENDIAN
	return sph_bswap32(*(const sph_u32 *)src);
#else
	return *(const sph_u32 *)src;

src/sph_types.h  view on Meta::CPAN

		| ((sph_u32)(((const unsigned char *)src)[2]) << 16)
		| ((sph_u32)(((const unsigned char *)src)[3]) << 24);
#endif
}

/**
 * Decode a 32-bit value from the provided buffer (little endian convention).
 * The source buffer must be properly aligned.
 *
 * @param src   the source buffer (32-bit aligned)
 * @return  the decoded value
 */
static SPH_INLINE sph_u32
sph_dec32le_aligned(const void *src)
{
#if SPH_LITTLE_ENDIAN
	return *(const sph_u32 *)src;
#elif SPH_BIG_ENDIAN
#if SPH_SPARCV9_GCC && !SPH_NO_ASM
	sph_u32 tmp;

src/sph_types.h  view on Meta::CPAN

	((unsigned char *)dst)[5] = (val >> 16);
	((unsigned char *)dst)[6] = (val >> 8);
	((unsigned char *)dst)[7] = val;
#endif
}

/**
 * Decode a 64-bit value from the provided buffer (big endian convention).
 *
 * @param src   the source buffer
 * @return  the decoded value
 */
static SPH_INLINE sph_u64
sph_dec64be(const void *src)
{
#if defined SPH_UPTR
#if SPH_UNALIGNED
#if SPH_LITTLE_ENDIAN
	return sph_bswap64(*(const sph_u64 *)src);
#else
	return *(const sph_u64 *)src;

src/sph_types.h  view on Meta::CPAN

		| ((sph_u64)(((const unsigned char *)src)[6]) << 8)
		| (sph_u64)(((const unsigned char *)src)[7]);
#endif
}

/**
 * Decode a 64-bit value from the provided buffer (big endian convention).
 * The source buffer must be properly aligned.
 *
 * @param src   the source buffer (64-bit aligned)
 * @return  the decoded value
 */
static SPH_INLINE sph_u64
sph_dec64be_aligned(const void *src)
{
#if SPH_LITTLE_ENDIAN
	return sph_bswap64(*(const sph_u64 *)src);
#elif SPH_BIG_ENDIAN
	return *(const sph_u64 *)src;
#else
	return ((sph_u64)(((const unsigned char *)src)[0]) << 56)

src/sph_types.h  view on Meta::CPAN

	((unsigned char *)dst)[5] = (val >> 40);
	((unsigned char *)dst)[6] = (val >> 48);
	((unsigned char *)dst)[7] = (val >> 56);
#endif
}

/**
 * Decode a 64-bit value from the provided buffer (little endian convention).
 *
 * @param src   the source buffer
 * @return  the decoded value
 */
static SPH_INLINE sph_u64
sph_dec64le(const void *src)
{
#if defined SPH_UPTR
#if SPH_UNALIGNED
#if SPH_BIG_ENDIAN
	return sph_bswap64(*(const sph_u64 *)src);
#else
	return *(const sph_u64 *)src;

src/sph_types.h  view on Meta::CPAN

		| ((sph_u64)(((const unsigned char *)src)[6]) << 48)
		| ((sph_u64)(((const unsigned char *)src)[7]) << 56);
#endif
}

/**
 * Decode a 64-bit value from the provided buffer (little endian convention).
 * The source buffer must be properly aligned.
 *
 * @param src   the source buffer (64-bit aligned)
 * @return  the decoded value
 */
static SPH_INLINE sph_u64
sph_dec64le_aligned(const void *src)
{
#if SPH_LITTLE_ENDIAN
	return *(const sph_u64 *)src;
#elif SPH_BIG_ENDIAN
#if SPH_SPARCV9_GCC_64 && !SPH_NO_ASM
	sph_u64 tmp;