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/cvs/rxvt-unicode/src/rxvtutil.h
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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.17 by root, Thu Jan 12 00:35:39 2006 UTC vs.
Revision 1.21 by root, Sun Jan 29 20:51:28 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>
5 6
6#define PP_CONCAT_(a, b) a ## b 7#define PP_CONCAT_(a, b) a ## b
7#define PP_CONCAT(a, b) PP_CONCAT_(a, b) 8#define PP_CONCAT(a, b) PP_CONCAT_(a, b)
8#define PP_STRINGIFY_(a) #a 9#define PP_STRINGIFY_(a) #a
… …
27 28
28template<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; }
29template<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; }
30 31
31template<typename T, typename U> static 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; }
33
34// linear interpolation
35template<typename T, typename U, typename P>
36static inline
37T lerp (T a, U b, P p)
38{
39 return (int(a) * int(p) + int(b) * int(100 - p)) / 100;
40}
32 41
33// in range including end 42// in range including end
34#define IN_RANGE_INC(val,beg,end) \ 43#define IN_RANGE_INC(val,beg,end) \
35 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) 44 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
36 45
… …
256 return pos; 265 return pos;
257 } 266 }
258 void erase (iterator first, iterator last) 267 void erase (iterator first, iterator last)
259 { 268 {
260 if (last != first) { 269 if (last != first) {
261 memmove (first, last, (end ()-last)*sizeof (T)); 270 memmove (first, last, (end () - last) * sizeof (T));
262 _last -= last - first; 271 _last -= last - first;
263 } 272 }
264 } 273 }
265 void erase (iterator pos) 274 void erase (iterator pos)
266 { 275 {
267 if (pos != end ()) { 276 if (pos != end ()) {
268 memmove (pos, pos+1, (end ()- (pos+1))*sizeof (T)); 277 memmove (pos, pos+1, (end () - (pos+1)) * sizeof (T));
269 --_last; 278 --_last;
270 } 279 }
271 } 280 }
272 void swap (simplevec<T> &t) 281 void swap (simplevec<T> &t)
273 { 282 {
… …
391struct stringvec : simplevec<char *> 400struct stringvec : simplevec<char *>
392{ 401{
393 ~stringvec () 402 ~stringvec ()
394 { 403 {
395 for (char **c = begin (); c != end (); c++) 404 for (char **c = begin (); c != end (); c++)
396 delete [] *c; 405 free (*c);
397 } 406 }
398}; 407};
399 408
409// return a very temporary (and never deallocated) buffer. keep small.
410void *rxvt_temp_buf (int len);
411
412template<typename T>
413inline T *
414rxvt_temp_buf (int len)
415{
416 return (T *)rxvt_temp_buf (len * sizeof (T));
417}
418
400#endif 419#endif
401 420

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