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/cvs/rxvt-unicode/src/rxvtutil.h
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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.23 by root, Sun Jan 29 22:30:21 2006 UTC vs.
Revision 1.24 by root, Mon Jan 30 16:12:58 2006 UTC

9#define PP_STRINGIFY_(a) #a 9#define PP_STRINGIFY_(a) #a
10#define PP_STRINGIFY(a) PP_STRINGIFY_(a) 10#define PP_STRINGIFY(a) PP_STRINGIFY_(a)
11 11
12// actually, some gcc-3.x versions work, too 12// actually, some gcc-3.x versions work, too
13#define HAVE_GCC_BUILTINS (__GNUC__ >= 4) 13#define HAVE_GCC_BUILTINS (__GNUC__ >= 4)
14
15#ifndef __attribute__
16# if __GNUC__
17# if (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (__GNUC__ < 2)
18# define __attribute__(x)
19# endif
20# endif
21# define __attribute__(x)
22#endif
23
24#define NORETURN __attribute__ ((noreturn))
25#define UNUSED __attribute__ ((unused))
26#define CONST __attribute__ ((const))
27
28// increases code size unless -fno-enforce-eh-specs
29#if __GNUC__
30# define NOTHROW
31# define THROW(x)
32#else
33# define NOTHROW throw()
34# define THROW(x) throw x
35#endif
14 36
15extern class byteorder { 37extern class byteorder {
16 static unsigned int e; // at least 32 bits 38 static unsigned int e; // at least 32 bits
17public: 39public:
18 byteorder (); 40 byteorder ();
42 return (int(a) * int(p) + int(b) * int(100 - p)) / 100; 64 return (int(a) * int(p) + int(b) * int(100 - p)) / 100;
43} 65}
44 66
45// some bit functions, xft fuck me plenty 67// some bit functions, xft fuck me plenty
46#if HAVE_GCC_BUILTINS 68#if HAVE_GCC_BUILTINS
47static inline int ctz (unsigned int x) { return __builtin_ctz (x); } 69static inline int ctz (unsigned int x) CONST { return __builtin_ctz (x); }
48static inline int popcount (unsigned int x) { return __builtin_popcount (x); } 70static inline int popcount (unsigned int x) CONST { return __builtin_popcount (x); }
49#else 71#else
50// count trailing zero bits and count # of one bits 72// count trailing zero bits and count # of one bits
51int ctz (unsigned int x); 73int ctz (unsigned int x) CONST;
52int popcount (unsigned int x); 74int popcount (unsigned int x) CONST;
53#endif 75#endif
54 76
55// in range including end 77// in range including end
56#define IN_RANGE_INC(val,beg,end) \ 78#define IN_RANGE_INC(val,beg,end) \
57 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) 79 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
421 443
422// return a very temporary (and never deallocated) buffer. keep small. 444// return a very temporary (and never deallocated) buffer. keep small.
423void *rxvt_temp_buf (int len); 445void *rxvt_temp_buf (int len);
424 446
425template<typename T> 447template<typename T>
426inline T * 448static inline T *
427rxvt_temp_buf (int len) 449rxvt_temp_buf (int len)
428{ 450{
429 return (T *)rxvt_temp_buf (len * sizeof (T)); 451 return (T *)rxvt_temp_buf (len * sizeof (T));
430} 452}
431 453

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