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

Comparing libecb/ecb.h (file contents):
Revision 1.25 by root, Thu May 26 20:49:40 2011 UTC vs.
Revision 1.57 by root, Wed Aug 3 15:15:00 2011 UTC

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

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Comparing libecb/ecb.h (file contents): Revision 1.25 by root, Thu May 26 20:49:40 2011 UTC vs. Revision 1.57 by root, Wed Aug 3 15:15:00 2011 UTC

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Comparing libecb/ecb.h (file contents):
Revision 1.25 by root, Thu May 26 20:49:40 2011 UTC vs.
Revision 1.57 by root, Wed Aug 3 15:15:00 2011 UTC