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/cvs/rxvt-unicode/src/rxvtutil.h
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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.13 by root, Wed Dec 21 14:19:19 2005 UTC vs.
Revision 1.19 by root, Sun Jan 22 00:36:59 2006 UTC

1#ifndef RXVT_UTIL_H 1#ifndef RXVT_UTIL_H
2#define RXVT_UTIL_H 2#define RXVT_UTIL_H
3 3
4#include <cstdlib>
4#include <cstring> 5#include <cstring>
6
7#define PP_CONCAT_(a, b) a ## b
8#define PP_CONCAT(a, b) PP_CONCAT_(a, b)
9#define PP_STRINGIFY_(a) #a
10#define PP_STRINGIFY(a) PP_STRINGIFY_(a)
5 11
6extern class byteorder { 12extern class byteorder {
7 static unsigned int e; // at least 32 bits 13 static unsigned int e; // at least 32 bits
8public: 14public:
9 byteorder (); 15 byteorder ();
12 static bool network () { return e == 0x11223344; }; 18 static bool network () { return e == 0x11223344; };
13 static bool little_endian () { return e == 0x44332211; }; 19 static bool little_endian () { return e == 0x44332211; };
14 static bool vax () { return e == 0x44332211; }; 20 static bool vax () { return e == 0x44332211; };
15} byteorder; 21} byteorder;
16 22
23// various utility functions
17template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } 24template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; }
18template<typename T, typename U> static inline void min_it (T &a, U b) { a = a < (T)b ? a : (T)b; } 25template<typename T, typename U> static inline void min_it (T &a, U b) { a = a < (T)b ? a : (T)b; }
19template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } 26template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; }
20template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; } 27template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; }
21 28
22template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; } 29template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; }
23template<typename T, typename U, typename V> static inline void clamp_it (T &v, U a, V b) { v = v < (T)a ? a : v >(T)b ? b : v; } 30template<typename T, typename U, typename V> static inline void clamp_it (T &v, U a, V b) { v = v < (T)a ? a : v >(T)b ? b : v; }
24 31
25template<typename T, typename U>
26static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; } 32template<typename T, typename U> static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; }
27 33
28// in range including end 34// in range including end
29#define IN_RANGE_INC(val,beg,end) \ 35#define IN_RANGE_INC(val,beg,end) \
30 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) 36 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
31 37
32// in range excluding end 38// in range excluding end
33#define IN_RANGE_EXC(val,beg,end) \ 39#define IN_RANGE_EXC(val,beg,end) \
34 ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg)) 40 ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg))
35 41
42// makes dynamically allocated objects zero-initialised
36struct zero_initialized { 43struct zero_initialized {
37 void *operator new (size_t s); 44 void *operator new (size_t s);
38 void operator delete (void *p, size_t s); 45 void operator delete (void *p, size_t s);
39}; 46};
40 47
250 return pos; 257 return pos;
251 } 258 }
252 void erase (iterator first, iterator last) 259 void erase (iterator first, iterator last)
253 { 260 {
254 if (last != first) { 261 if (last != first) {
255 memmove (first, last, (end ()-last)*sizeof (T)); 262 memmove (first, last, (end () - last) * sizeof (T));
256 _last -= last - first; 263 _last -= last - first;
257 } 264 }
258 } 265 }
259 void erase (iterator pos) 266 void erase (iterator pos)
260 { 267 {
261 if (pos != end ()) { 268 if (pos != end ()) {
262 memmove (pos, pos+1, (end ()- (pos+1))*sizeof (T)); 269 memmove (pos, pos+1, (end () - (pos+1)) * sizeof (T));
263 --_last; 270 --_last;
264 } 271 }
265 } 272 }
266 void swap (simplevec<T> &t) 273 void swap (simplevec<T> &t)
267 { 274 {
385struct stringvec : simplevec<char *> 392struct stringvec : simplevec<char *>
386{ 393{
387 ~stringvec () 394 ~stringvec ()
388 { 395 {
389 for (char **c = begin (); c != end (); c++) 396 for (char **c = begin (); c != end (); c++)
390 delete [] *c; 397 free (*c);
391 } 398 }
392}; 399};
393 400
394#endif 401#endif
395 402

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