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Comparing rxvt-unicode/src/rxvtutil.h (file contents):
Revision 1.59 by sf-exg, Thu Oct 23 22:39:40 2014 UTC vs.
Revision 1.65 by sf-exg, Thu May 13 19:40:20 2021 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 <new>
5#include <stdlib.h> 4#include <stdlib.h>
6#include <string.h> 5#include <string.h>
6
7#define ECB_NO_THREADS 1
7#include "ecb.h" 8#include "ecb.h"
9
8#include "estl.h" 10#include "estl.h"
9 11
10#include "emman.h" 12#include "emman.h"
11
12// increases code size unless -fno-enforce-eh-specs
13#if __GNUC__
14# define NOTHROW
15# define THROW(x)
16#else
17# define NOTHROW throw()
18# define THROW(x) throw x
19#endif
20 13
21// various utility functions 14// various utility functions
22template<typename T, typename U> static inline void min_it (T &a, U b) { a = a < (T)b ? a : (T)b; } 15template<typename T, typename U> static inline void min_it (T &a, U b) { a = a < (T)b ? a : (T)b; }
23template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; } 16template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; }
24 17
25template<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; } 18template<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; }
26template<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; } 19template<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; }
27
28template<typename T> static inline T squared_diff (T a, T b) { return (a - b) * (a - b); }
29 20
30// linear interpolation 21// linear interpolation
31template<typename T, typename U, typename P> 22template<typename T, typename U, typename P>
32static inline T 23static inline T
33lerp (T a, U b, P p) 24lerp (T a, U b, P p)
87 T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } 78 T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); }
88 const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } 79 const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); }
89}; 80};
90#endif 81#endif
91 82
92inline void * 83typedef estl::scoped_array<char> auto_str;
93operator new (size_t size) throw (std::bad_alloc)
94{
95 // TODO: use rxvt_malloc
96 return malloc (size);
97}
98
99inline void
100operator delete (void *p) throw ()
101{
102 free (p);
103}
104
105template<typename T>
106struct auto_ptr
107{
108 T *p;
109
110 auto_ptr () : p (0) { }
111
112 explicit
113 auto_ptr (T *a) : p (a) { }
114
115 auto_ptr (auto_ptr &a)
116 {
117 p = a.p;
118 a.p = 0;
119 }
120
121 template<typename A>
122 auto_ptr (auto_ptr<A> &a)
123 {
124 p = a.p;
125 a.p = 0;
126 }
127
128 ~auto_ptr ()
129 {
130 delete p;
131 }
132
133 void reset (T *a)
134 {
135 delete p;
136 p = a;
137 }
138
139 // void because it makes sense in our context
140 void operator =(auto_ptr &a)
141 {
142 reset (a.release ());
143 }
144
145 template<typename A>
146 void operator =(auto_ptr<A> &a)
147 {
148 reset (a.release ());
149 }
150
151 T *operator ->() const { return p; }
152 T &operator *() const { return *p; }
153
154 operator T *() { return p; }
155 T *get () const { return p; }
156
157 T *release()
158 {
159 T *r = p;
160 p = 0;
161 return r;
162 }
163};
164
165typedef auto_ptr<char> auto_str;
166 84
167#endif 85#endif
168 86

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