[ViewVC] Diff of: cvs/libecb/ecb.h

Comparing libecb/ecb.h (file contents):
Revision 1.11 by root, Thu May 26 18:00:42 2011 UTC vs.
Revision 1.63 by root, Thu Aug 4 14:37:46 2011 UTC

…		…
1	/*	1	/*
2	* libecb	2	* libecb - http://software.schmorp.de/pkg/libecb
3	*	3	*
4	* Copyright (©) 2009-2011 Marc Alexander Lehmann	4	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>
5	* Copyright (©) 2011 Emanuele Giaquinta	5	* Copyright (©) 2011 Emanuele Giaquinta
6	* All rights reserved.	6	* All rights reserved.
7	*	7	*
8	* Redistribution and use in source and binary forms, with or without modifica-	8	* Redistribution and use in source and binary forms, with or without modifica-
9	* tion, are permitted provided that the following conditions are met:	9	* tion, are permitted provided that the following conditions are met:
28	*/	28	*/
29		29
30	#ifndef ECB_H	30	#ifndef ECB_H
31	#define ECB_H	31	#define ECB_H
32		32
		33	#ifdef _WIN32
		34	typedef signed char int8_t;
		35	typedef unsigned char uint8_t;
		36	typedef signed short int16_t;
		37	typedef unsigned short uint16_t;
		38	typedef signed int int32_t;
		39	typedef unsigned int uint32_t;
		40	#if __GNUC__
		41	typedef signed long long int64_t;
		42	typedef unsigned long long uint64_t;
		43	#else /* _MSC_VER \|\| __BORLANDC__ */
		44	typedef signed __int64 int64_t;
		45	typedef unsigned __int64 uint64_t;
		46	#endif
		47	#else
33	#include <inttypes.h>	48	#include <inttypes.h>
		49	#endif
34		50
		51	/* many compilers define _GNUC_ to some versions but then only implement
		52	* what their idiot authors think are the "more important" extensions,
		53	* causing enormous grief in return for some better fake benchmark numbers.
		54	* or so.
		55	* we try to detect these and simply assume they are not gcc - if they have
		56	* an issue with that they should have done it right in the first place.
		57	*/
		58	#ifndef ECB_GCC_VERSION
		59	#if !defined(__GNUC_MINOR__) \|\| defined(__INTEL_COMPILER) \|\| defined(__SUNPRO_C) \|\| defined(__SUNPRO_CC) \|\| defined(__llvm__) \|\| defined(__clang__)
		60	#define ECB_GCC_VERSION(major,minor) 0
		61	#else
35	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	62	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
		63	#endif
		64	#endif
36		65
		66	/*****************************************************************************/
		67
		68	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		69	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		70
		71	#if ECB_NO_THREADS \|\| ECB_NO_SMP
		72	#define ECB_MEMORY_FENCE do { } while (0)
		73	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
		74	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
		75	#endif
		76
		77	#ifndef ECB_MEMORY_FENCE
		78	#if ECB_GCC_VERSION(2,5)
		79	#if __x86
		80	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		81	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
		82	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
		83	#elif __amd64
		84	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		85	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		86	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
		87	#elif __powerpc__ \|\| __ppc__ \|\| __powerpc64__ \|\| __ppc64__
		88	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		89	#elif defined(__ARM_ARCH_6__ ) \|\| defined(__ARM_ARCH_6J__ ) \
		90	\|\| defined(__ARM_ARCH_6K__) \|\| defined(__ARM_ARCH_6ZK__) \
		91	\|\| defined(__ARM_ARCH_7__ ) \|\| defined(__ARM_ARCH_7A__ ) \
		92	\|\| defined(__ARM_ARCH_7M__) \|\| defined(__ARM_ARCH_7R__ )
		93	#define ECB_MEMORY_FENCE \
		94	do { \
		95	int null = 0; \
		96	__asm__ __volatile__ ("mcr p15,0,%0,c6,c10,5", : "=&r" (null) : : "memory"); \
		97	while (0)
		98	#endif
		99	#endif
		100	#endif
		101
		102	#ifndef ECB_MEMORY_FENCE
		103	#if ECB_GCC_VERSION(4,4) \|\| defined(__INTEL_COMPILER)
		104	#define ECB_MEMORY_FENCE __sync_synchronize ()
		105	/#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) /
		106	/#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) /
		107	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		108	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		109	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		110	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		111	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		112	#elif defined(_WIN32)
		113	#include <WinNT.h>
		114	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		115	#endif
		116	#endif
		117
		118	#ifndef ECB_MEMORY_FENCE
		119	#if !ECB_AVOID_PTHREADS
		120	/*
		121	* if you get undefined symbol references to pthread_mutex_lock,
		122	* or failure to find pthread.h, then you should implement
		123	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		124	* OR provide pthread.h and link against the posix thread library
		125	* of your system.
		126	*/
		127	#include <pthread.h>
		128	#define ECB_NEEDS_PTHREADS 1
		129	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		130
		131	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		132	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		133	#endif
		134	#endif
		135
		136	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)
		137	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		138	#endif
		139
		140	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)
		141	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		142	#endif
		143
		144	/*****************************************************************************/
		145
		146	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		147
37	#ifndef __cplusplus	148	#if __cplusplus
38	# if __STDC_VERSION__ >= 199901L	149	#define ecb_inline static inline
39	# define ECB_INLINE inline	150	#elif ECB_GCC_VERSION(2,5)
40	typedef _Bool ecb_bool;	151	#define ecb_inline static __inline__
		152	#elif ECB_C99
		153	#define ecb_inline static inline
41	# else	154	#else
42	# define ECB_INLINE inline /* yeah! */	155	#define ecb_inline static
		156	#endif
		157
		158	#if ECB_GCC_VERSION(3,3)
		159	#define ecb_restrict __restrict__
		160	#elif ECB_C99
		161	#define ecb_restrict restrict
		162	#else
		163	#define ecb_restrict
		164	#endif
		165
43	typedef int ecb_bool;	166	typedef int ecb_bool;
44	# endif
45	#endif
46		167
47	#define ECB_CONCAT_(a, b) a ## b	168	#define ECB_CONCAT_(a, b) a ## b
48	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	169	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
49	#define ECB_STRINGIFY_(a) # a	170	#define ECB_STRINGIFY_(a) # a
50	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	171	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
51		172
52	#define ECB_HEADER_INLINE static ECB_INLINE	173	#define ecb_function_ ecb_inline
53		174
54	#if ECB_GCC_VERSION(3,1)	175	#if ECB_GCC_VERSION(3,1)
55	# define ecb_attribute(attrlist) __attribute__(attrlist)	176	#define ecb_attribute(attrlist) __attribute__(attrlist)
56	# define ecb_is_constant(c) __builtin_constant_p (c)	177	#define ecb_is_constant(expr) __builtin_constant_p (expr)
57	# define ecb_expect(expr,value) __builtin_expect ((expr),(value))	178	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
58	# define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	179	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
59	#else	180	#else
60	# define ecb_attribute(attrlist)	181	#define ecb_attribute(attrlist)
61	# define ecb_is_constant(c) 0	182	#define ecb_is_constant(expr) 0
62	# define ecb_expect(expr,value) (expr)	183	#define ecb_expect(expr,value) (expr)
63	# define ecb_prefetch(addr,rw,locality)	184	#define ecb_prefetch(addr,rw,locality)
64	#endif	185	#endif
65		186
66	/* no emulation for ecb_decltype */	187	/* no emulation for ecb_decltype */
67	#if ECB_GCC_VERSION(4,5)	188	#if ECB_GCC_VERSION(4,5)
68	# define ecb_decltype(x) __decltype(x)	189	#define ecb_decltype(x) __decltype(x)
69	#elif ECB_GCC_VERSION(3,0)	190	#elif ECB_GCC_VERSION(3,0)
70	# define ecb_decltype(x) typeof(x)	191	#define ecb_decltype(x) __typeof(x)
71	#endif	192	#endif
72		193
73	#define ecb_noinline ecb_attribute ((noinline))	194	#define ecb_noinline ecb_attribute ((__noinline__))
74	#define ecb_noreturn ecb_attribute ((noreturn))	195	#define ecb_noreturn ecb_attribute ((__noreturn__))
75	#define ecb_unused ecb_attribute ((unused))	196	#define ecb_unused ecb_attribute ((__unused__))
76	#define ecb_const ecb_attribute ((const))	197	#define ecb_const ecb_attribute ((__const__))
77	#define ecb_pure ecb_attribute ((pure))	198	#define ecb_pure ecb_attribute ((__pure__))
78	#define ecb_hot ecb_attribute ((hot)) /* 4.3 */
79	#define ecb_cold ecb_attribute ((cold)) /* 4.3 */
80		199
81	#if ECB_GCC_VERSION(4,5)	200	#if ECB_GCC_VERSION(4,3)
82	# define ecb_unreachable() __builtin_unreachable ()	201	#define ecb_artificial ecb_attribute ((__artificial__))
		202	#define ecb_hot ecb_attribute ((__hot__))
		203	#define ecb_cold ecb_attribute ((__cold__))
83	#else	204	#else
84	/* this seems to work fine, but gcc always emits a warning for it :/ */	205	#define ecb_artificial
85	ECB_HEADER_INLINE void ecb_unreachable () ecb_attribute ((noreturn));	206	#define ecb_hot
86	ECB_HEADER_INLINE void ecb_unreachable () { }	207	#define ecb_cold
87	#endif	208	#endif
88		209
89	/* put into ifs if you are very sure that the expression */	210	/* put around conditional expressions if you are very sure that the */
90	/* is mostly true or mosty false. note that these return */	211	/* expression is mostly true or mostly false. note that these return */
91	/* booleans, not the expression. */	212	/* booleans, not the expression. */
92	#define ecb_unlikely(expr) ecb_expect (!!(expr), 0)	213	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
		214	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		215	/* for compatibility to the rest of the world */
93	#define ecb_likely(expr) ecb_expect (!!(expr), 1)	216	#define ecb_likely(expr) ecb_expect_true (expr)
94		217	#define ecb_unlikely(expr) ecb_expect_false (expr)
95	/* try to tell the compiler that some condition is definitely true */
96	#define ecb_assume(cond) do { if (!(cond)) unreachable (); } while (0)
97		218
98	/* count trailing zero bits and count # of one bits */	219	/* count trailing zero bits and count # of one bits */
99	#if ECB_GCC_VERSION(3,4)	220	#if ECB_GCC_VERSION(3,4)
100	ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) { return __builtin_ctz (x); }	221	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
101	ECB_HEADER_INLINE int ecb_popcount32 (uint32_t x) { return __builtin_popcount (x); }	222	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		223	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		224	#define ecb_ctz32(x) __builtin_ctz (x)
		225	#define ecb_ctz64(x) __builtin_ctzll (x)
		226	#define ecb_popcount32(x) __builtin_popcount (x)
		227	/* no popcountll */
102	#else	228	#else
103	ECB_HEADER_INLINE	229	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		230	ecb_function_ int
104	ecb_ctz32 (uint32_t x) ecb_const	231	ecb_ctz32 (uint32_t x)
		232	{
		233	int r = 0;
		234
		235	x &= ~x + 1; /* this isolates the lowest bit */
		236
		237	#if ECB_branchless_on_i386
		238	r += !!(x & 0xaaaaaaaa) << 0;
		239	r += !!(x & 0xcccccccc) << 1;
		240	r += !!(x & 0xf0f0f0f0) << 2;
		241	r += !!(x & 0xff00ff00) << 3;
		242	r += !!(x & 0xffff0000) << 4;
		243	#else
		244	if (x & 0xaaaaaaaa) r += 1;
		245	if (x & 0xcccccccc) r += 2;
		246	if (x & 0xf0f0f0f0) r += 4;
		247	if (x & 0xff00ff00) r += 8;
		248	if (x & 0xffff0000) r += 16;
		249	#endif
		250
		251	return r;
		252	}
		253
		254	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		255	ecb_function_ int
		256	ecb_ctz64 (uint64_t x)
		257	{
		258	int shift = x & 0xffffffffU ? 0 : 32;
		259	return ecb_ctz32 (x >> shift) + shift;
		260	}
		261
		262	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		263	ecb_function_ int
		264	ecb_popcount32 (uint32_t x)
		265	{
		266	x -= (x >> 1) & 0x55555555;
		267	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		268	x = ((x >> 4) + x) & 0x0f0f0f0f;
		269	x *= 0x01010101;
		270
		271	return x >> 24;
		272	}
		273
		274	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		275	ecb_function_ int ecb_ld32 (uint32_t x)
		276	{
		277	int r = 0;
		278
		279	if (x >> 16) { x >>= 16; r += 16; }
		280	if (x >> 8) { x >>= 8; r += 8; }
		281	if (x >> 4) { x >>= 4; r += 4; }
		282	if (x >> 2) { x >>= 2; r += 2; }
		283	if (x >> 1) { r += 1; }
		284
		285	return r;
		286	}
		287
		288	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		289	ecb_function_ int ecb_ld64 (uint64_t x)
		290	{
		291	int r = 0;
		292
		293	if (x >> 32) { x >>= 32; r += 32; }
		294
		295	return r + ecb_ld32 (x);
		296	}
		297	#endif
		298
		299	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		300	/* so for this version we are lazy */
		301	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		302	ecb_function_ int
		303	ecb_popcount64 (uint64_t x)
105	{	304	{
106	int r = 0;	305	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
107
108	x &= -x; /* this isolates the lowest bit */
109
110	if (x & 0xaaaaaaaa) r += 1;
111	if (x & 0xcccccccc) r += 2;
112	if (x & 0xf0f0f0f0) r += 4;
113	if (x & 0xff00ff00) r += 8;
114	if (x & 0xffff0000) r += 16;
115
116	return r;
117	}	306	}
118		307
119	ECB_HEADER_INLINE	308	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
120	ecb_popcount32 (uint32_t x) ecb_const	309	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
121	{	310	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
122	x -= (x >> 1) & 0x55555555;	311	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
123	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	312	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
124	x = ((x >> 4) + x) & 0x0f0f0f0f;	313	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
125	x *= 0x01010101;	314	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		315	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
126		316
127	return x >> 24;	317	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) \| (x << count); }
128	}	318	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) \| (x >> count); }
129	#endif	319	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) \| (x << count); }
		320	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) \| (x >> count); }
		321	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) \| (x << count); }
		322	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) \| (x >> count); }
		323	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) \| (x << count); }
		324	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) \| (x >> count); }
130		325
131	ECB_HEADER_INLINE unsigned char	326	#if ECB_GCC_VERSION(4,3)
		327	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		328	#define ecb_bswap32(x) __builtin_bswap32 (x)
		329	#define ecb_bswap64(x) __builtin_bswap64 (x)
		330	#else
		331	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		332	ecb_function_ uint16_t
		333	ecb_bswap16 (uint16_t x)
		334	{
		335	return ecb_rotl16 (x, 8);
		336	}
		337
		338	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		339	ecb_function_ uint32_t
		340	ecb_bswap32 (uint32_t x)
		341	{
		342	return (((uint32_t)ecb_bswap16 (x)) << 16) \| ecb_bswap16 (x >> 16);
		343	}
		344
		345	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		346	ecb_function_ uint64_t
		347	ecb_bswap64 (uint64_t x)
		348	{
		349	return (((uint64_t)ecb_bswap32 (x)) << 32) \| ecb_bswap32 (x >> 32);
		350	}
		351	#endif
		352
		353	#if ECB_GCC_VERSION(4,5)
		354	#define ecb_unreachable() __builtin_unreachable ()
		355	#else
		356	/* this seems to work fine, but gcc always emits a warning for it :/ */
		357	ecb_function_ void ecb_unreachable (void) ecb_noreturn;
		358	ecb_function_ void ecb_unreachable (void) { }
		359	#endif
		360
		361	/* try to tell the compiler that some condition is definitely true */
		362	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
		363
		364	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
		365	ecb_function_ unsigned char
132	ecb_byteorder_helper () ecb_const	366	ecb_byteorder_helper (void)
133	{	367	{
134	const uint32_t u = 0x11223344;	368	const uint32_t u = 0x11223344;
135	return (unsigned char )&u;	369	return (unsigned char )&u;
136	}	370	}
137		371
		372	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
138	ECB_HEADER_INLINE ecb_bool ecb_big_endian () ecb_const { return ecb_byteorder_helper () == 0x11; };	373	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		374	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
139	ECB_HEADER_INLINE ecb_bool ecb_little_endian () ecb_const { return ecb_byteorder_helper () == 0x44; };	375	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		376
		377	#if ECB_GCC_VERSION(3,0) \|\| ECB_C99
		378	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		379	#else
		380	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		381	#endif
140		382
141	#if ecb_cplusplus_does_not_suck	383	#if ecb_cplusplus_does_not_suck
142	// does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm)	384	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
143	template<typename T, int N>	385	template<typename T, int N>
144	static inline int ecb_array_length (const T (&arr)[N])	386	static inline int ecb_array_length (const T (&arr)[N])
145	{	387	{
146	return N;	388	return N;
147	}	389	}
148	#else	390	#else
149	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	391	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
150	#endif	392	#endif
151		393
152	ECB_INLINE uint32_t
153	ecb_rotr32 (uint32_t x, unsigned int count)
154	{
155	return (x << (32 - count)) \| (x >> count);
156	}
157
158	ECB_INLINE uint32_t
159	ecb_rotl32 (uint32_t x, unsigned int count)
160	{
161	return (x >> (32 - count)) \| (x << count);
162	}
163
164	#if ECB_GCC_VERSION(4,3)
165	# define ecb_bswap32(x) __builtin_bswap32 (x)
166	#else
167	ECB_GCC_VERSION uint32_t
168	ecb_bswap32 (uint32_t x)
169	{
170	return (x >> 24)
171	\| ((x >> 8) & 0x0000ff00)
172	\| ((x << 8) & 0x00ff0000)
173	\| (x << 24);
174	}
175	#endif	394	#endif
176		395
177	#endif
178

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Comparing libecb/ecb.h (file contents): Revision 1.11 by root, Thu May 26 18:00:42 2011 UTC vs. Revision 1.63 by root, Thu Aug 4 14:37:46 2011 UTC

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Comparing libecb/ecb.h (file contents):
Revision 1.11 by root, Thu May 26 18:00:42 2011 UTC vs.
Revision 1.63 by root, Thu Aug 4 14:37:46 2011 UTC