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/cvs/rxvt-unicode/src/rxvtutil.h
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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.28 by ayin, Tue Jun 26 10:46:28 2007 UTC vs.
Revision 1.36 by ayin, Fri Dec 14 11:11:31 2007 UTC

… …
11#define PP_STRINGIFY_(a) #a 11#define PP_STRINGIFY_(a) #a
12#define PP_STRINGIFY(a) PP_STRINGIFY_(a) 12#define PP_STRINGIFY(a) PP_STRINGIFY_(a)
13 13
14#define HAVE_GCC_BUILTINS (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ == 4)) 14#define HAVE_GCC_BUILTINS (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ == 4))
15 15
16#ifndef __attribute__
17# if __GNUC__ 16#if __GNUC__ >= 4
18# if (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (__GNUC__ < 2) 17# define rxvt_attribute(x) __attribute__(x)
19# define __attribute__(x) 18#else
20# endif
21# endif
22# define __attribute__(x) 19# define rxvt_attribute(x)
23#endif 20#endif
24 21
25#define NORETURN __attribute__ ((noreturn)) 22#define NORETURN rxvt_attribute ((noreturn))
26#define UNUSED __attribute__ ((unused)) 23#define UNUSED rxvt_attribute ((unused))
27#define CONST __attribute__ ((const)) 24#define CONST rxvt_attribute ((const))
28 25
29// increases code size unless -fno-enforce-eh-specs 26// increases code size unless -fno-enforce-eh-specs
30#if __GNUC__ 27#if __GNUC__
31# define NOTHROW 28# define NOTHROW
32# define THROW(x) 29# define THROW(x)
… …
65T lerp (T a, U b, P p) 62T lerp (T a, U b, P p)
66{ 63{
67 return (long(a) * long(100 - p) + long(b) * long(p) + 50) / 100; 64 return (long(a) * long(100 - p) + long(b) * long(p) + 50) / 100;
68} 65}
69 66
67template <typename I, typename T>
68I find (I first, I last, const T& value)
69{
70 while (first != last && *first != value)
71 ++first;
72
73 return first;
74}
75
76// return a very temporary (and never deallocated) buffer. keep small.
77void *rxvt_temp_buf (int len);
78
79template<typename T>
80static inline T *
81rxvt_temp_buf (int len)
82{
83 return (T *)rxvt_temp_buf (len * sizeof (T));
84}
85
70// some bit functions, xft fuck me plenty 86// some bit functions, xft fuck me plenty
71#if HAVE_GCC_BUILTINS 87#if HAVE_GCC_BUILTINS
72static inline int ctz (unsigned int x) CONST { return __builtin_ctz (x); } 88static inline int ctz (unsigned int x) { return __builtin_ctz (x); }
73static inline int popcount (unsigned int x) CONST { return __builtin_popcount (x); } 89static inline int popcount (unsigned int x) { return __builtin_popcount (x); }
74#else 90#else
75// count trailing zero bits and count # of one bits 91// count trailing zero bits and count # of one bits
76int ctz (unsigned int x) CONST; 92int ctz (unsigned int x) CONST;
77int popcount (unsigned int x) CONST; 93int popcount (unsigned int x) CONST;
78#endif 94#endif
… …
83 99
84// in range excluding end 100// in range excluding end
85#define IN_RANGE_EXC(val,beg,end) \ 101#define IN_RANGE_EXC(val,beg,end) \
86 ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg)) 102 ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg))
87 103
104// for m >= -n, ensure remainder lies between 0..n-1
105#define MOD(m,n) (((m) + (n)) % (n))
106
88// makes dynamically allocated objects zero-initialised 107// makes dynamically allocated objects zero-initialised
89struct zero_initialized { 108struct zero_initialized {
90 void *operator new (size_t s); 109 void *operator new (size_t s);
91 void operator delete (void *p, size_t s); 110 void operator delete (void *p, size_t s);
92}; 111};
93 112
94/* simplevec taken (and heavily modified), from: 113/* simplevec taken (and heavily modified), from:
95 * 114 *
96 * MICO --- a free CORBA implementation 115 * MICO --- a free CORBA implementation
97 * Copyright (C) 1997-98 Kay Roemer & Arno Puder 116 * Copyright (C) 1997-98 Kay Roemer & Arno Puder
98 */ 117 */
99template<class T> 118template<class T>
100struct simplevec { 119struct simplevec {
… …
346} 365}
347 366
348 367
349template<typename T> 368template<typename T>
350struct vector : simplevec<T> 369struct vector : simplevec<T>
351{ }; 370{
371};
372
373struct stringvec : simplevec<char *>
374{
375 ~stringvec ()
376 {
377 for (char **c = begin (); c != end (); c++)
378 free (*c);
379 }
380};
352 381
353#if 0 382#if 0
354template<typename T> 383template<typename T>
355struct rxvt_vec : simplevec<void *> { 384struct rxvt_vec : simplevec<void *> {
356 typedef T *iterator; 385 typedef T *iterator;
… …
364 T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } 393 T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); }
365 const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } 394 const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); }
366}; 395};
367#endif 396#endif
368 397
369template <typename I, typename T>
370I find (I first, I last, const T& value)
371{
372 while (first != last && *first != value)
373 ++first;
374
375 return first;
376}
377
378template<typename T> 398template<typename T>
379struct auto_ptr { 399struct auto_ptr {
380 T *p; 400 T *p;
381 401
382 auto_ptr () : p (0) { } 402 auto_ptr () : p (0) { }
… …
433 } 453 }
434}; 454};
435 455
436typedef auto_ptr<char> auto_str; 456typedef auto_ptr<char> auto_str;
437 457
438struct stringvec : simplevec<char *>
439{
440 ~stringvec ()
441 {
442 for (char **c = begin (); c != end (); c++)
443 free (*c);
444 }
445};
446
447// return a very temporary (and never deallocated) buffer. keep small.
448void *rxvt_temp_buf (int len);
449
450template<typename T>
451static inline T *
452rxvt_temp_buf (int len)
453{
454 return (T *)rxvt_temp_buf (len * sizeof (T));
455}
456
457#endif 458#endif
458 459

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