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Comparing libecb/ecb.h (file contents):
Revision 1.22 by root, Thu May 26 19:39:40 2011 UTC vs.
Revision 1.26 by sf-exg, Thu May 26 21:35:39 2011 UTC

… …
81# define ecb_decltype(x) __decltype(x) 81# define ecb_decltype(x) __decltype(x)
82#elif ECB_GCC_VERSION(3,0) 82#elif ECB_GCC_VERSION(3,0)
83# define ecb_decltype(x) typeof(x) 83# define ecb_decltype(x) typeof(x)
84#endif 84#endif
85 85
86#define ecb_artificial ecb_attribute ((__artificial__)) /* 4.3 */
86#define ecb_noinline ecb_attribute ((noinline)) 87#define ecb_noinline ecb_attribute ((__noinline__))
87#define ecb_noreturn ecb_attribute ((noreturn)) 88#define ecb_noreturn ecb_attribute ((__noreturn__))
88#define ecb_unused ecb_attribute ((unused)) 89#define ecb_unused ecb_attribute ((__unused__))
89#define ecb_const ecb_attribute ((const)) 90#define ecb_const ecb_attribute ((__const__))
90#define ecb_pure ecb_attribute ((pure)) 91#define ecb_pure ecb_attribute ((__pure__))
91#define ecb_hot ecb_attribute ((hot)) /* 4.3 */ 92#define ecb_hot ecb_attribute ((__hot__)) /* 4.3 */
92#define ecb_cold ecb_attribute ((cold)) /* 4.3 */ 93#define ecb_cold ecb_attribute ((__cold__)) /* 4.3 */
93 94
94/* put into if's if you are very sure that the expression */ 95/* put into if's if you are very sure that the expression */
95/* is mostly true or mosty false. note that these return */ 96/* is mostly true or mosty false. note that these return */
96/* booleans, not the expression. */ 97/* booleans, not the expression. */
97#define ecb_unlikely(expr) ecb_expect (!!(expr), 0) 98#define ecb_unlikely(expr) ecb_expect (!!(expr), 0)
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100/* try to tell the compiler that some condition is definitely true */ 101/* try to tell the compiler that some condition is definitely true */
101#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 102#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
102 103
103/* count trailing zero bits and count # of one bits */ 104/* count trailing zero bits and count # of one bits */
104#if ECB_GCC_VERSION(3,4) 105#if ECB_GCC_VERSION(3,4)
105#define ecb_ctz32 (x) __builtin_ctz (x) 106#define ecb_ctz32(x) __builtin_ctz (x)
106#define ecb_popcount32 (x) __builtin_popcount (x) 107#define ecb_popcount32(x) __builtin_popcount (x)
107#else 108#else
108ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const; 109ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const;
109ECB_HEADER_INLINE 110ECB_HEADER_INLINE
110ecb_ctz32 (uint32_t x) 111ecb_ctz32 (uint32_t x)
111{ 112{
… …
165/* this seems to work fine, but gcc always emits a warning for it :/ */ 166/* this seems to work fine, but gcc always emits a warning for it :/ */
166ECB_HEADER_INLINE void ecb_unreachable (void) ecb_noreturn; 167ECB_HEADER_INLINE void ecb_unreachable (void) ecb_noreturn;
167ECB_HEADER_INLINE void ecb_unreachable (void) { } 168ECB_HEADER_INLINE void ecb_unreachable (void) { }
168#endif 169#endif
169 170
170ECB_HEADER_INLINE unsigned char ecb_byteorder_helper () ecb_const; 171ECB_HEADER_INLINE unsigned char ecb_byteorder_helper (void) ecb_const;
171ECB_HEADER_INLINE unsigned char 172ECB_HEADER_INLINE unsigned char
172ecb_byteorder_helper () 173ecb_byteorder_helper (void)
173{ 174{
174 const uint32_t u = 0x11223344; 175 const uint32_t u = 0x11223344;
175 return *(unsigned char *)&u; 176 return *(unsigned char *)&u;
176} 177}
177 178
178ECB_HEADER_INLINE ecb_bool ecb_big_endian () ecb_const; 179ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) ecb_const;
179ECB_HEADER_INLINE ecb_bool ecb_big_endian () { return ecb_byteorder_helper () == 0x11; }; 180ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; };
180ECB_HEADER_INLINE ecb_bool ecb_little_endian () ecb_const; 181ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) ecb_const;
181ECB_HEADER_INLINE ecb_bool ecb_little_endian () { return ecb_byteorder_helper () == 0x44; }; 182ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; };
182 183
183#define ecb_mod(m, n) ((m) < 0 ? ((n) - (-(m) % (n))) : ((m) % (n))) 184#define ecb_mod(m, n) ((m) < 0 ? ((n) - (-(m) % (n))) : ((m) % (n)))
184 185
185#if ecb_cplusplus_does_not_suck 186#if ecb_cplusplus_does_not_suck
186// does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) 187// does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm)

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