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

Comparing libecb/ecb.h (file contents):
Revision 1.53 by root, Mon Jul 18 01:25:46 2011 UTC vs.
Revision 1.101 by root, Thu Jun 28 14:50:01 2012 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 <libecb@schmorp.de>	4	* Copyright (©) 2009-2012 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	/* 16 bits major, 16 bits minor */
		34	#define ECB_VERSION 0x00010001
		35
33	#ifdef _WIN32	36	#ifdef _WIN32
34	typedef signed char int8_t;	37	typedef signed char int8_t;
35	typedef unsigned char uint8_t;	38	typedef unsigned char uint8_t;
36	typedef signed short int16_t;	39	typedef signed short int16_t;
37	typedef unsigned short uint16_t;	40	typedef unsigned short uint16_t;
…		…
42	typedef unsigned long long uint64_t;	45	typedef unsigned long long uint64_t;
43	#else /* _MSC_VER \|\| __BORLANDC__ */	46	#else /* _MSC_VER \|\| __BORLANDC__ */
44	typedef signed __int64 int64_t;	47	typedef signed __int64 int64_t;
45	typedef unsigned __int64 uint64_t;	48	typedef unsigned __int64 uint64_t;
46	#endif	49	#endif
		50	#ifdef _WIN64
		51	#define ECB_PTRSIZE 8
		52	typedef uint64_t uintptr_t;
		53	typedef int64_t intptr_t;
		54	#else
		55	#define ECB_PTRSIZE 4
		56	typedef uint32_t uintptr_t;
		57	typedef int32_t intptr_t;
		58	#endif
47	#else	59	#else
48	#include <inttypes.h>	60	#include <inttypes.h>
		61	#if UINTMAX_MAX > 0xffffffffU
		62	#define ECB_PTRSIZE 8
		63	#else
		64	#define ECB_PTRSIZE 4
		65	#endif
49	#endif	66	#endif
50		67
51	/* many compilers define _GNUC_ to some versions but then only implement	68	/* many compilers define _GNUC_ to some versions but then only implement
52	* what their idiot authors think are the "more important" extensions,	69	* what their idiot authors think are the "more important" extensions,
53	* causing enourmous grief in return for some better fake benchmark numbers.	70	* causing enormous grief in return for some better fake benchmark numbers.
54	* or so.	71	* or so.
55	* we try to detect these and simply assume they are not gcc - if they have	72	* 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.	73	* an issue with that they should have done it right in the first place.
57	*/	74	*/
58	#ifndef ECB_GCC_VERSION	75	#ifndef ECB_GCC_VERSION
59	#if !defined(__GNUC_MINOR__) \|\| defined(__INTEL_COMPILER) \|\| defined(__SUNPRO_C) \|\| defined(__SUNPRO_CC) \|\| defined(__llvm__) \|\| defined(__clang__)	76	#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	77	#define ECB_GCC_VERSION(major,minor) 0
61	#else	78	#else
62	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	79	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
63	#endif	80	#endif
64	#endif	81	#endif
65		82
		83	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		84	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		85	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		86	#define ECB_CPP (__cplusplus+0)
		87	#define ECB_CPP11 (__cplusplus >= 201103L)
		88
66	/*****************************************************************************/	89	/*****************************************************************************/
67		90
		91	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		92	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		93
		94	#if ECB_NO_THREADS
		95	#define ECB_NO_SMP 1
		96	#endif
		97
		98	#if ECB_NO_SMP
		99	#define ECB_MEMORY_FENCE do { } while (0)
		100	#endif
		101
68	#ifndef ECB_MEMORY_FENCE	102	#ifndef ECB_MEMORY_FENCE
69	#if ECB_GCC_VERSION(2,5)	103	#if ECB_GCC_VERSION(2,5) \|\| defined __INTEL_COMPILER \|\| (__llvm__ && __GNUC__) \|\| __SUNPRO_C >= 0x5110 \|\| __SUNPRO_CC >= 0x5110
70	#if __x86	104	#if __i386 \|\| __i386__
71	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; or.b $0, -1(%%esp)" : : : "memory")	105	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
72	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	106	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
73	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */	107	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
74	#elif __amd64	108	#elif __amd64 \|\| __amd64__ \|\| __x86_64 \|\| __x86_64__
75	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	109	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
76	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	110	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
77	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")	111	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		112	#elif __powerpc__ \|\| __ppc__ \|\| __powerpc64__ \|\| __ppc64__
		113	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		114	#elif defined __ARM_ARCH_6__ \|\| defined __ARM_ARCH_6J__ \
		115	\|\| defined __ARM_ARCH_6K__ \|\| defined __ARM_ARCH_6ZK__
		116	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		117	#elif defined __ARM_ARCH_7__ \|\| defined __ARM_ARCH_7A__ \
		118	\|\| defined __ARM_ARCH_7M__ \|\| defined __ARM_ARCH_7R__
		119	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		120	#elif __sparc \|\| __sparc__
		121	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore \| #LoadLoad \| #StoreStore \| #StoreLoad" : : : "memory")
		122	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore \| #LoadLoad" : : : "memory")
		123	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore \| #StoreStore")
		124	#elif defined __s390__ \|\| defined __s390x__
		125	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		126	#elif defined __mips__
		127	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		128	#elif defined __alpha__
		129	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		130	#elif defined __hppa__
		131	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		132	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		133	#elif defined __ia64__
		134	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
78	#endif	135	#endif
79	#endif	136	#endif
80	#endif	137	#endif
81		138
82	#ifndef ECB_MEMORY_FENCE	139	#ifndef ECB_MEMORY_FENCE
83	#if ECB_GCC_VERSION(4,4)	140	#if ECB_GCC_VERSION(4,7)
		141	/* see comment below (stdatomic.h) about the C11 memory model. */
		142	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		143	#elif defined __clang && __has_feature (cxx_atomic)
		144	/* see comment below (stdatomic.h) about the C11 memory model. */
		145	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		146	#elif ECB_GCC_VERSION(4,4) \|\| defined __INTEL_COMPILER \|\| defined __clang__
84	#define ECB_MEMORY_FENCE __sync_synchronize ()	147	#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	148	#elif _MSC_VER >= 1400 /* VC++ 2005 */
88	#define ECB_MEMORY_FENCE do { } while (0)	149	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
89	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
90	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
91	#elif defined(_WIN32) && defined(MemoryBarrier)
92	#define ECB_MEMORY_FENCE MemoryBarrier ()	150	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
93	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	151	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
94	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	152	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		153	#elif defined _WIN32
		154	#include <WinNT.h>
		155	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		156	#elif __SUNPRO_C >= 0x5110 \|\| __SUNPRO_CC >= 0x5110
		157	#include <mbarrier.h>
		158	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		159	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		160	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		161	#elif __xlC__
		162	#define ECB_MEMORY_FENCE __sync ()
95	#endif	163	#endif
96	#endif	164	#endif
97		165
98	#ifndef ECB_MEMORY_FENCE	166	#ifndef ECB_MEMORY_FENCE
		167	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		168	/* we assume that these memory fences work on all variables/all memory accesses, */
		169	/* not just C11 atomics and atomic accesses */
		170	#include <stdatomic.h>
		171	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		172	/* any fence other than seq_cst, which isn't very efficient for us. */
		173	/* Why that is, we don't know - either the C11 memory model is quite useless */
		174	/* for most usages, or gcc and clang have a bug */
		175	/* I currently lean towards the latter, and inefficiently implement */
		176	/* all three of ecb's fences as a seq_cst fence */
		177	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		178	#endif
		179	#endif
		180
		181	#ifndef ECB_MEMORY_FENCE
		182	#if !ECB_AVOID_PTHREADS
		183	/*
		184	* if you get undefined symbol references to pthread_mutex_lock,
		185	* or failure to find pthread.h, then you should implement
		186	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		187	* OR provide pthread.h and link against the posix thread library
		188	* of your system.
		189	*/
99	#include <pthread.h>	190	#include <pthread.h>
		191	#define ECB_NEEDS_PTHREADS 1
		192	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
100		193
101	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	194	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
102	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	195	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		196	#endif
		197	#endif
		198
		199	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
103	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	200	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		201	#endif
		202
		203	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
104	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	204	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
105	#endif	205	#endif
106		206
107	/*****************************************************************************/	207	/*****************************************************************************/
108
109	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
110		208
111	#if __cplusplus	209	#if __cplusplus
112	#define ecb_inline static inline	210	#define ecb_inline static inline
113	#elif ECB_GCC_VERSION(2,5)	211	#elif ECB_GCC_VERSION(2,5)
114	#define ecb_inline static __inline__	212	#define ecb_inline static __inline__
…		…
153	#elif ECB_GCC_VERSION(3,0)	251	#elif ECB_GCC_VERSION(3,0)
154	#define ecb_decltype(x) __typeof(x)	252	#define ecb_decltype(x) __typeof(x)
155	#endif	253	#endif
156		254
157	#define ecb_noinline ecb_attribute ((__noinline__))	255	#define ecb_noinline ecb_attribute ((__noinline__))
158	#define ecb_noreturn ecb_attribute ((__noreturn__))
159	#define ecb_unused ecb_attribute ((__unused__))	256	#define ecb_unused ecb_attribute ((__unused__))
160	#define ecb_const ecb_attribute ((__const__))	257	#define ecb_const ecb_attribute ((__const__))
161	#define ecb_pure ecb_attribute ((__pure__))	258	#define ecb_pure ecb_attribute ((__pure__))
		259
		260	#if ECB_C11
		261	#define ecb_noreturn _Noreturn
		262	#else
		263	#define ecb_noreturn ecb_attribute ((__noreturn__))
		264	#endif
162		265
163	#if ECB_GCC_VERSION(4,3)	266	#if ECB_GCC_VERSION(4,3)
164	#define ecb_artificial ecb_attribute ((__artificial__))	267	#define ecb_artificial ecb_attribute ((__artificial__))
165	#define ecb_hot ecb_attribute ((__hot__))	268	#define ecb_hot ecb_attribute ((__hot__))
166	#define ecb_cold ecb_attribute ((__cold__))	269	#define ecb_cold ecb_attribute ((__cold__))
…		…
232	x *= 0x01010101;	335	x *= 0x01010101;
233		336
234	return x >> 24;	337	return x >> 24;
235	}	338	}
236		339
237	/* you have the choice beetween something with a table lookup, */
238	/* something using lots of bit arithmetic and a simple loop */
239	/* we went for the loop */
240	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	340	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
241	ecb_function_ int ecb_ld32 (uint32_t x)	341	ecb_function_ int ecb_ld32 (uint32_t x)
242	{	342	{
243	int r = 0;	343	int r = 0;
244		344
…		…
259	if (x >> 32) { x >>= 32; r += 32; }	359	if (x >> 32) { x >>= 32; r += 32; }
260		360
261	return r + ecb_ld32 (x);	361	return r + ecb_ld32 (x);
262	}	362	}
263	#endif	363	#endif
		364
		365	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		366	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		367	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		368	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		369
		370	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		371	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		372	{
		373	return ( (x * 0x0802U & 0x22110U)
		374	\| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		375	}
		376
		377	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		378	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		379	{
		380	x = ((x >> 1) & 0x5555) \| ((x & 0x5555) << 1);
		381	x = ((x >> 2) & 0x3333) \| ((x & 0x3333) << 2);
		382	x = ((x >> 4) & 0x0f0f) \| ((x & 0x0f0f) << 4);
		383	x = ( x >> 8 ) \| ( x << 8);
		384
		385	return x;
		386	}
		387
		388	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		389	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		390	{
		391	x = ((x >> 1) & 0x55555555) \| ((x & 0x55555555) << 1);
		392	x = ((x >> 2) & 0x33333333) \| ((x & 0x33333333) << 2);
		393	x = ((x >> 4) & 0x0f0f0f0f) \| ((x & 0x0f0f0f0f) << 4);
		394	x = ((x >> 8) & 0x00ff00ff) \| ((x & 0x00ff00ff) << 8);
		395	x = ( x >> 16 ) \| ( x << 16);
		396
		397	return x;
		398	}
264		399
265	/* popcount64 is only available on 64 bit cpus as gcc builtin */	400	/* popcount64 is only available on 64 bit cpus as gcc builtin */
266	/* so for this version we are lazy */	401	/* so for this version we are lazy */
267	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	402	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
268	ecb_function_ int	403	ecb_function_ int
…		…
318		453
319	#if ECB_GCC_VERSION(4,5)	454	#if ECB_GCC_VERSION(4,5)
320	#define ecb_unreachable() __builtin_unreachable ()	455	#define ecb_unreachable() __builtin_unreachable ()
321	#else	456	#else
322	/* this seems to work fine, but gcc always emits a warning for it :/ */	457	/* this seems to work fine, but gcc always emits a warning for it :/ */
323	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	458	ecb_inline void ecb_unreachable (void) ecb_noreturn;
324	ecb_function_ void ecb_unreachable (void) { }	459	ecb_inline void ecb_unreachable (void) { }
325	#endif	460	#endif
326		461
327	/* try to tell the compiler that some condition is definitely true */	462	/* try to tell the compiler that some condition is definitely true */
328	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	463	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
329		464
330	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	465	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
331	ecb_function_ unsigned char	466	ecb_inline unsigned char
332	ecb_byteorder_helper (void)	467	ecb_byteorder_helper (void)
333	{	468	{
334	const uint32_t u = 0x11223344;	469	/* the union code still generates code under pressure in gcc, */
335	return (unsigned char )&u;	470	/* but less than using pointers, and always seem to */
		471	/* successfully return a constant. */
		472	/* the reason why we have this horrible preprocessor mess */
		473	/* is to avoid it in all cases, at least on common architectures */
		474	/* and yes, gcc defines __BYTE_ORDER__, g++ does not */
		475	#if __i386 \|\| __i386__ \|\| _M_X86 \|\| __amd64 \|\| __amd64__ \|\| _M_X64
		476	return 0x44;
		477	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		478	return 0x44;
		479	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		480	retrurn 0x11;
		481	#else
		482	union
		483	{
		484	uint32_t i;
		485	uint8_t c;
		486	} u = { 0x11223344 };
		487	return u.c;
		488	#endif
336	}	489	}
337		490
338	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	491	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
339	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	492	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
340	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	493	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
341	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	494	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
342		495
343	#if ECB_GCC_VERSION(3,0) \|\| ECB_C99	496	#if ECB_GCC_VERSION(3,0) \|\| ECB_C99
344	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	497	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
345	#else	498	#else
346	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	499	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		500	#endif
		501
		502	#if __cplusplus
		503	template<typename T>
		504	static inline T ecb_div_rd (T val, T div)
		505	{
		506	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		507	}
		508	template<typename T>
		509	static inline T ecb_div_ru (T val, T div)
		510	{
		511	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		512	}
		513	#else
		514	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		515	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
347	#endif	516	#endif
348		517
349	#if ecb_cplusplus_does_not_suck	518	#if ecb_cplusplus_does_not_suck
350	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	519	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
351	template<typename T, int N>	520	template<typename T, int N>

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Comparing libecb/ecb.h (file contents): Revision 1.53 by root, Mon Jul 18 01:25:46 2011 UTC vs. Revision 1.101 by root, Thu Jun 28 14:50:01 2012 UTC

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Comparing libecb/ecb.h (file contents):
Revision 1.53 by root, Mon Jul 18 01:25:46 2011 UTC vs.
Revision 1.101 by root, Thu Jun 28 14:50:01 2012 UTC