ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libecb/ecb.h
(Generate patch)

Comparing libecb/ecb.h (file contents):
Revision 1.26 by sf-exg, Thu May 26 21:35:39 2011 UTC vs.
Revision 1.31 by root, Tue May 31 21:10:37 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:
… …
53typedef _Bool ecb_bool; 53typedef _Bool ecb_bool;
54# else 54# else
55# define ECB_INLINE inline /* yeah! */ 55# define ECB_INLINE inline /* yeah! */
56typedef int ecb_bool; 56typedef int ecb_bool;
57# endif 57# endif
58#else
59# define ECB_INLINE inline
60typedef bool ecb_bool;
58#endif 61#endif
59 62
60#define ECB_CONCAT_(a, b) a ## b 63#define ECB_CONCAT_(a, b) a ## b
61#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) 64#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
62#define ECB_STRINGIFY_(a) # a 65#define ECB_STRINGIFY_(a) # a
… …
101/* try to tell the compiler that some condition is definitely true */ 104/* try to tell the compiler that some condition is definitely true */
102#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 105#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
103 106
104/* count trailing zero bits and count # of one bits */ 107/* count trailing zero bits and count # of one bits */
105#if ECB_GCC_VERSION(3,4) 108#if ECB_GCC_VERSION(3,4)
106#define ecb_ctz32(x) __builtin_ctz (x) 109#define ecb_ctz32(x) __builtin_ctz (x)
107#define ecb_popcount32(x) __builtin_popcount (x) 110#define ecb_popcount32(x) __builtin_popcount (x)
108#else 111#else
109ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const; 112ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const;
110ECB_HEADER_INLINE 113ECB_HEADER_INLINE
111ecb_ctz32 (uint32_t x) 114ecb_ctz32 (uint32_t x)
… …
179ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) ecb_const; 182ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) ecb_const;
180ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }; 183ECB_HEADER_INLINE ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; };
181ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) ecb_const; 184ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) ecb_const;
182ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }; 185ECB_HEADER_INLINE ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; };
183 186
187#if ECB_GCC_VERSION(3,0)&&0
188# define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
189#else
184#define ecb_mod(m, n) ((m) < 0 ? ((n) - (-(m) % (n))) : ((m) % (n))) 190# define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
191#endif
185 192
186#if ecb_cplusplus_does_not_suck 193#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) 194// does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm)
188template<typename T, int N> 195template<typename T, int N>
189static inline int ecb_array_length (const T (&arr)[N]) 196static inline int ecb_array_length (const T (&arr)[N])

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines