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 | using namespace std; |
|
|
8 | |
|
|
9 | #define PP_CONCAT_(a, b) a ## b |
|
|
10 | #define PP_CONCAT(a, b) PP_CONCAT_(a, b) |
|
|
11 | #define PP_STRINGIFY_(a) #a |
|
|
12 | #define PP_STRINGIFY(a) PP_STRINGIFY_(a) |
|
|
13 | |
|
|
14 | #define HAVE_GCC_BUILTINS (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ == 4)) |
|
|
15 | |
|
|
16 | #if __GNUC__ >= 4 |
|
|
17 | # define rxvt_attribute(x) __attribute__(x) |
|
|
18 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
19 | #else |
|
|
20 | # define rxvt_attribute(x) |
|
|
21 | # define expect(expr,value) (expr) |
|
|
22 | #endif |
|
|
23 | |
|
|
24 | // put into ifs if you are very sure that the expression |
|
|
25 | // is mostly true or mosty false. note that these return |
|
|
26 | // booleans, not the expression. |
|
|
27 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
28 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
29 | |
|
|
30 | #define NORETURN rxvt_attribute ((noreturn)) |
|
|
31 | #define UNUSED rxvt_attribute ((unused)) |
|
|
32 | #define CONST rxvt_attribute ((const)) |
|
|
33 | |
|
|
34 | // increases code size unless -fno-enforce-eh-specs |
|
|
35 | #if __GNUC__ |
|
|
36 | # define NOTHROW |
|
|
37 | # define THROW(x) |
|
|
38 | #else |
|
|
39 | # define NOTHROW throw() |
|
|
40 | # define THROW(x) throw x |
|
|
41 | #endif |
5 | |
42 | |
6 | extern class byteorder { |
43 | extern class byteorder { |
7 | static unsigned int e; // at least 32 bits |
44 | static unsigned int e; // at least 32 bits |
8 | public: |
45 | public: |
9 | byteorder (); |
46 | byteorder (); |
… | |
… | |
12 | static bool network () { return e == 0x11223344; }; |
49 | static bool network () { return e == 0x11223344; }; |
13 | static bool little_endian () { return e == 0x44332211; }; |
50 | static bool little_endian () { return e == 0x44332211; }; |
14 | static bool vax () { return e == 0x44332211; }; |
51 | static bool vax () { return e == 0x44332211; }; |
15 | } byteorder; |
52 | } byteorder; |
16 | |
53 | |
|
|
54 | // various utility functions |
|
|
55 | template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } |
|
|
56 | template<typename T, typename U> static inline void min_it (T &a, U b) { a = a < (T)b ? a : (T)b; } |
|
|
57 | template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } |
|
|
58 | template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; } |
|
|
59 | |
|
|
60 | template<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; } |
|
|
61 | template<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; } |
|
|
62 | |
|
|
63 | template<typename T, typename U> static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; } |
|
|
64 | |
|
|
65 | template<typename T> static inline T squared_diff (T a, T b) { return (a-b)*(a-b); } |
|
|
66 | |
|
|
67 | // linear interpolation |
|
|
68 | template<typename T, typename U, typename P> |
|
|
69 | static inline |
|
|
70 | T lerp (T a, U b, P p) |
|
|
71 | { |
|
|
72 | return (long(a) * long(100 - p) + long(b) * long(p) + 50) / 100; |
|
|
73 | } |
|
|
74 | |
17 | template<typename T, typename U> |
75 | template <typename I, typename T> |
18 | static inline T min (T a, U b) { return a < b ? a : (T)b; } |
76 | I find (I first, I last, const T& value) |
|
|
77 | { |
|
|
78 | while (first != last && *first != value) |
|
|
79 | ++first; |
|
|
80 | |
|
|
81 | return first; |
|
|
82 | } |
|
|
83 | |
|
|
84 | // return a very temporary (and never deallocated) buffer. keep small. |
|
|
85 | void *rxvt_temp_buf (int len); |
|
|
86 | |
19 | template<typename T, typename U> |
87 | template<typename T> |
20 | static inline T max (T a, U b) { return a > b ? a : (T)b; } |
88 | static inline T * |
|
|
89 | rxvt_temp_buf (int len) |
|
|
90 | { |
|
|
91 | return (T *)rxvt_temp_buf (len * sizeof (T)); |
|
|
92 | } |
21 | |
93 | |
|
|
94 | // some bit functions, xft fuck me plenty |
|
|
95 | #if HAVE_GCC_BUILTINS |
|
|
96 | static inline int ctz (unsigned int x) { return __builtin_ctz (x); } |
|
|
97 | static inline int popcount (unsigned int x) { return __builtin_popcount (x); } |
|
|
98 | #else |
|
|
99 | // count trailing zero bits and count # of one bits |
|
|
100 | int ctz (unsigned int x) CONST; |
|
|
101 | int popcount (unsigned int x) CONST; |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | // in range including end |
|
|
105 | #define IN_RANGE_INC(val,beg,end) \ |
|
|
106 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
|
|
107 | |
|
|
108 | // in range excluding end |
|
|
109 | #define IN_RANGE_EXC(val,beg,end) \ |
|
|
110 | ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg)) |
|
|
111 | |
|
|
112 | // for m >= -n, ensure remainder lies between 0..n-1 |
|
|
113 | #define MOD(m,n) (((m) + (n)) % (n)) |
|
|
114 | |
|
|
115 | // makes dynamically allocated objects zero-initialised |
22 | struct zero_initialized { |
116 | struct zero_initialized |
|
|
117 | { |
23 | void *operator new (size_t s); |
118 | void *operator new (size_t s); |
24 | void operator delete (void *p, size_t s); |
119 | void operator delete (void *p, size_t s); |
25 | }; |
120 | }; |
26 | |
121 | |
27 | /* simplevec taken (and heavily modified), from: |
122 | /* simplevec taken (and heavily modified), from: |
28 | * |
123 | * |
29 | * MICO --- a free CORBA implementation |
124 | * MICO --- a free CORBA implementation |
30 | * Copyright (C) 1997-98 Kay Roemer & Arno Puder |
125 | * Copyright (C) 1997-98 Kay Roemer & Arno Puder |
31 | */ |
126 | */ |
32 | template<class T> |
127 | template<class T> |
33 | struct simplevec { |
128 | struct simplevec |
|
|
129 | { |
34 | typedef T* iterator; |
130 | typedef T* iterator; |
35 | typedef const T* const_iterator; |
131 | typedef const T* const_iterator; |
36 | typedef unsigned long size_type; |
132 | typedef unsigned long size_type; |
37 | |
133 | |
38 | private: |
134 | private: |
… | |
… | |
40 | T *_buf; |
136 | T *_buf; |
41 | |
137 | |
42 | public: |
138 | public: |
43 | const_iterator begin () const |
139 | const_iterator begin () const |
44 | { |
140 | { |
45 | return &_buf[0]; |
141 | return &_buf[0]; |
46 | } |
142 | } |
47 | iterator begin () |
143 | iterator begin () |
48 | { |
144 | { |
49 | return &_buf[0]; |
145 | return &_buf[0]; |
50 | } |
146 | } |
51 | const_iterator end () const |
147 | const_iterator end () const |
52 | { |
148 | { |
53 | return &_buf[_last]; |
149 | return &_buf[_last]; |
54 | } |
150 | } |
55 | iterator end () |
151 | iterator end () |
56 | { |
152 | { |
57 | return &_buf[_last]; |
153 | return &_buf[_last]; |
58 | } |
154 | } |
59 | size_type capacity () const |
155 | size_type capacity () const |
60 | { |
156 | { |
61 | return _size; |
157 | return _size; |
62 | } |
158 | } |
63 | size_type size () const |
159 | size_type size () const |
64 | { |
160 | { |
65 | return _last; |
161 | return _last; |
66 | } |
162 | } |
67 | |
163 | |
68 | private: |
164 | private: |
69 | static T *alloc (size_type n) |
165 | static T *alloc (size_type n) |
70 | { |
166 | { |
71 | return (T *)::operator new ((size_t) (n * sizeof (T))); |
167 | return (T *)::operator new ((size_t) (n * sizeof (T))); |
72 | } |
168 | } |
73 | static void dealloc (T *buf) |
169 | static void dealloc (T *buf) |
74 | { |
170 | { |
75 | if (buf) |
171 | if (buf) |
76 | ::operator delete (buf); |
172 | ::operator delete (buf); |
77 | } |
173 | } |
78 | |
174 | |
79 | void reserve (iterator where, size_type n) |
175 | void reserve (iterator where, size_type n) |
80 | { |
176 | { |
81 | if (_last + n <= _size) { |
177 | if (_last + n <= _size) { |
82 | memmove (where+n, where, (end ()-where)*sizeof (T)); |
178 | memmove (where+n, where, (end ()-where)*sizeof (T)); |
83 | } else { |
179 | } else { |
84 | size_type sz = _last+n; |
180 | size_type sz = _last+n; |
85 | sz = (_size == 0) ? max (sz, 5) : max (sz, 2*_size); |
181 | sz = (_size == 0) ? max (sz, 5) : max (sz, 2*_size); |
86 | T *nbuf = alloc (sz); |
182 | T *nbuf = alloc (sz); |
87 | if (_buf) { |
183 | if (_buf) { |
88 | memcpy (nbuf, begin (), (where-begin ())*sizeof (T)); |
184 | memcpy (nbuf, begin (), (where-begin ())*sizeof (T)); |
89 | memcpy (nbuf + (where-begin ()) + n, where, |
185 | memcpy (nbuf + (where-begin ()) + n, where, |
90 | (end ()-where)*sizeof (T)); |
186 | (end ()-where)*sizeof (T)); |
91 | dealloc (_buf); |
187 | dealloc (_buf); |
92 | } |
188 | } |
93 | _buf = nbuf; |
189 | _buf = nbuf; |
94 | _size = sz; |
190 | _size = sz; |
95 | } |
191 | } |
96 | } |
192 | } |
97 | |
193 | |
98 | public: |
194 | public: |
99 | void reserve (size_type sz) |
195 | void reserve (size_type sz) |
100 | { |
196 | { |
101 | if (_size < sz) { |
197 | if (_size < sz) { |
102 | sz = (_size == 0) ? max (sz, 5) : max (sz, 2*_size); |
198 | sz = (_size == 0) ? max (sz, 5) : max (sz, 2*_size); |
103 | T *nbuf = alloc (sz); |
199 | T *nbuf = alloc (sz); |
104 | if (_buf) { |
200 | if (_buf) { |
105 | memcpy (nbuf, begin (), size ()*sizeof (T)); |
201 | memcpy (nbuf, begin (), size ()*sizeof (T)); |
106 | dealloc (_buf); |
202 | dealloc (_buf); |
107 | } |
203 | } |
108 | _buf = nbuf; |
204 | _buf = nbuf; |
109 | _size = sz; |
205 | _size = sz; |
110 | } |
206 | } |
111 | } |
207 | } |
112 | simplevec () |
208 | simplevec () |
113 | : _last(0), _size(0), _buf(0) |
209 | : _last(0), _size(0), _buf(0) |
114 | { |
210 | { |
115 | } |
211 | } |
116 | simplevec (size_type n, const T& t = T ()) |
212 | simplevec (size_type n, const T& t = T ()) |
117 | : _last(0), _size(0), _buf(0) |
213 | : _last(0), _size(0), _buf(0) |
118 | { |
214 | { |
119 | insert (begin (), n, t); |
215 | insert (begin (), n, t); |
120 | } |
216 | } |
121 | simplevec (const_iterator first, const_iterator last) |
217 | simplevec (const_iterator first, const_iterator last) |
122 | : _last(0), _size(0), _buf(0) |
218 | : _last(0), _size(0), _buf(0) |
123 | { |
219 | { |
124 | insert (begin (), first, last); |
220 | insert (begin (), first, last); |
125 | } |
221 | } |
126 | simplevec (const simplevec<T> &v) |
222 | simplevec (const simplevec<T> &v) |
127 | : _last(0), _size(0), _buf(0) |
223 | : _last(0), _size(0), _buf(0) |
128 | { |
224 | { |
129 | reserve (v._last); |
225 | reserve (v._last); |
130 | memcpy (_buf, v.begin (), v.size ()*sizeof (T)); |
226 | memcpy (_buf, v.begin (), v.size ()*sizeof (T)); |
131 | _last = v._last; |
227 | _last = v._last; |
132 | } |
228 | } |
133 | simplevec<T> &operator= (const simplevec<T> &v) |
229 | simplevec<T> &operator= (const simplevec<T> &v) |
134 | { |
230 | { |
135 | if (this != &v) { |
231 | if (this != &v) { |
136 | _last = 0; |
232 | _last = 0; |
137 | reserve (v._last); |
233 | reserve (v._last); |
138 | memcpy (_buf, v.begin (), v.size ()*sizeof (T)); |
234 | memcpy (_buf, v.begin (), v.size ()*sizeof (T)); |
139 | _last = v._last; |
235 | _last = v._last; |
140 | } |
236 | } |
141 | return *this; |
237 | return *this; |
142 | } |
238 | } |
143 | ~simplevec () |
239 | ~simplevec () |
144 | { |
240 | { |
145 | dealloc (_buf); |
241 | dealloc (_buf); |
146 | } |
242 | } |
147 | const T &front () const |
243 | const T &front () const |
148 | { |
244 | { |
149 | //ministl_assert (size () > 0); |
245 | //ministl_assert (size () > 0); |
150 | return _buf[0]; |
246 | return _buf[0]; |
151 | } |
247 | } |
152 | T &front () |
248 | T &front () |
153 | { |
249 | { |
154 | //ministl_assert (size () > 0); |
250 | //ministl_assert (size () > 0); |
155 | return _buf[0]; |
251 | return _buf[0]; |
156 | } |
252 | } |
157 | const T &back () const |
253 | const T &back () const |
158 | { |
254 | { |
159 | //ministl_assert (size () > 0); |
255 | //ministl_assert (size () > 0); |
160 | return _buf[_last-1]; |
256 | return _buf[_last-1]; |
161 | } |
257 | } |
162 | T &back () |
258 | T &back () |
163 | { |
259 | { |
164 | //ministl_assert (size () > 0); |
260 | //ministl_assert (size () > 0); |
165 | return _buf[_last-1]; |
261 | return _buf[_last-1]; |
166 | } |
262 | } |
167 | bool empty () const |
263 | bool empty () const |
168 | { |
264 | { |
169 | return _last == 0; |
265 | return _last == 0; |
170 | } |
266 | } |
171 | void clear () |
267 | void clear () |
172 | { |
268 | { |
173 | _last = 0; |
269 | _last = 0; |
174 | } |
270 | } |
175 | void push_back (const T &t) |
271 | void push_back (const T &t) |
176 | { |
272 | { |
177 | reserve (_last+1); |
273 | reserve (_last+1); |
178 | *end () = t; |
274 | *end () = t; |
179 | ++_last; |
275 | ++_last; |
180 | } |
276 | } |
181 | void push_back (T &t) |
277 | void push_back (T &t) |
182 | { |
278 | { |
183 | reserve (_last+1); |
279 | reserve (_last+1); |
184 | *end () = t; |
280 | *end () = t; |
185 | ++_last; |
281 | ++_last; |
186 | } |
282 | } |
187 | void pop_back () |
283 | void pop_back () |
188 | { |
284 | { |
189 | //ministl_assert (size () > 0); |
285 | //ministl_assert (size () > 0); |
190 | --_last; |
286 | --_last; |
191 | } |
287 | } |
192 | const T &operator[] (size_type idx) const |
288 | const T &operator[] (size_type idx) const |
193 | { |
289 | { |
194 | //ministl_assert (idx < size ()); |
290 | //ministl_assert (idx < size ()); |
195 | return _buf[idx]; |
291 | return _buf[idx]; |
196 | } |
292 | } |
197 | T &operator[] (size_type idx) |
293 | T &operator[] (size_type idx) |
198 | { |
294 | { |
199 | //ministl_assert (idx < size ()); |
295 | //ministl_assert (idx < size ()); |
200 | return _buf[idx]; |
296 | return _buf[idx]; |
201 | } |
297 | } |
202 | iterator insert (iterator pos, const T &t) |
298 | iterator insert (iterator pos, const T &t) |
203 | { |
299 | { |
204 | //ministl_assert (pos <= end ()); |
300 | //ministl_assert (pos <= end ()); |
205 | long at = pos - begin (); |
301 | long at = pos - begin (); |
206 | reserve (pos, 1); |
302 | reserve (pos, 1); |
207 | pos = begin ()+at; |
303 | pos = begin ()+at; |
208 | *pos = t; |
304 | *pos = t; |
209 | ++_last; |
305 | ++_last; |
210 | return pos; |
306 | return pos; |
211 | } |
307 | } |
212 | iterator insert (iterator pos, const_iterator first, const_iterator last) |
308 | iterator insert (iterator pos, const_iterator first, const_iterator last) |
213 | { |
309 | { |
214 | //ministl_assert (pos <= end ()); |
310 | //ministl_assert (pos <= end ()); |
215 | long n = last - first; |
311 | long n = last - first; |
216 | long at = pos - begin (); |
312 | long at = pos - begin (); |
217 | if (n > 0) { |
313 | if (n > 0) { |
218 | reserve (pos, n); |
314 | reserve (pos, n); |
219 | pos = begin ()+at; |
315 | pos = begin ()+at; |
220 | memcpy (pos, first, (last-first)*sizeof (T)); |
316 | memcpy (pos, first, (last-first)*sizeof (T)); |
221 | _last += n; |
317 | _last += n; |
222 | } |
318 | } |
223 | return pos; |
319 | return pos; |
224 | } |
320 | } |
225 | iterator insert (iterator pos, size_type n, const T &t) |
321 | iterator insert (iterator pos, size_type n, const T &t) |
226 | { |
322 | { |
227 | //ministl_assert (pos <= end ()); |
323 | //ministl_assert (pos <= end ()); |
228 | long at = pos - begin (); |
324 | long at = pos - begin (); |
229 | if (n > 0) { |
325 | if (n > 0) { |
230 | reserve (pos, n); |
326 | reserve (pos, n); |
231 | pos = begin ()+at; |
327 | pos = begin ()+at; |
232 | for (int i = 0; i < n; ++i) |
328 | for (int i = 0; i < n; ++i) |
233 | pos[i] = t; |
329 | pos[i] = t; |
234 | _last += n; |
330 | _last += n; |
235 | } |
331 | } |
236 | return pos; |
332 | return pos; |
237 | } |
333 | } |
238 | void erase (iterator first, iterator last) |
334 | void erase (iterator first, iterator last) |
239 | { |
335 | { |
240 | if (last != first) { |
336 | if (last != first) { |
241 | memmove (first, last, (end ()-last)*sizeof (T)); |
337 | memmove (first, last, (end () - last) * sizeof (T)); |
242 | _last -= last - first; |
338 | _last -= last - first; |
243 | } |
339 | } |
244 | } |
340 | } |
245 | void erase (iterator pos) |
341 | void erase (iterator pos) |
246 | { |
342 | { |
247 | if (pos != end ()) { |
343 | if (pos != end ()) { |
248 | memmove (pos, pos+1, (end ()- (pos+1))*sizeof (T)); |
344 | memmove (pos, pos+1, (end () - (pos+1)) * sizeof (T)); |
249 | --_last; |
345 | --_last; |
250 | } |
346 | } |
|
|
347 | } |
|
|
348 | void swap (simplevec<T> &t) |
|
|
349 | { |
|
|
350 | ::swap(_last, t._last); |
|
|
351 | ::swap(_size, t._size); |
|
|
352 | ::swap(_buf, t._buf); |
251 | } |
353 | } |
252 | }; |
354 | }; |
253 | |
355 | |
254 | template<class T> |
356 | template<class T> |
255 | bool operator== (const simplevec<T> &v1, const simplevec<T> &v2) |
357 | bool operator== (const simplevec<T> &v1, const simplevec<T> &v2) |
256 | { |
358 | { |
257 | if (v1.size () != v2.size ()) |
359 | if (v1.size () != v2.size ()) |
258 | return false; |
360 | return false; |
259 | return !v1.size () || !memcmp (&v1[0], &v2[0], v1.size ()*sizeof (T)); |
361 | return !v1.size () || !memcmp (&v1[0], &v2[0], v1.size ()*sizeof (T)); |
260 | } |
362 | } |
261 | |
363 | |
262 | template<class T> |
364 | template<class T> |
263 | bool operator< (const simplevec<T> &v1, const simplevec<T> &v2) |
365 | bool operator< (const simplevec<T> &v1, const simplevec<T> &v2) |
264 | { |
366 | { |
265 | unsigned long minlast = min (v1.size (), v2.size ()); |
367 | unsigned long minlast = min (v1.size (), v2.size ()); |
266 | for (unsigned long i = 0; i < minlast; ++i) { |
368 | for (unsigned long i = 0; i < minlast; ++i) { |
267 | if (v1[i] < v2[i]) |
369 | if (v1[i] < v2[i]) |
268 | return true; |
370 | return true; |
269 | if (v2[i] < v1[i]) |
371 | if (v2[i] < v1[i]) |
270 | return false; |
372 | return false; |
271 | } |
373 | } |
272 | return v1.size () < v2.size (); |
374 | return v1.size () < v2.size (); |
273 | } |
375 | } |
274 | |
376 | |
275 | |
377 | |
276 | template<typename T> |
378 | template<typename T> |
277 | struct vector : simplevec<T> |
379 | struct vector : simplevec<T> |
278 | { }; |
380 | { |
|
|
381 | }; |
|
|
382 | |
|
|
383 | struct stringvec : simplevec<char *> |
|
|
384 | { |
|
|
385 | ~stringvec () |
|
|
386 | { |
|
|
387 | for (char **c = begin (); c != end (); c++) |
|
|
388 | free (*c); |
|
|
389 | } |
|
|
390 | }; |
279 | |
391 | |
280 | #if 0 |
392 | #if 0 |
281 | template<typename T> |
393 | template<typename T> |
282 | struct rxvt_vec : simplevec<void *> { |
394 | struct rxvt_vec : simplevec<void *> |
|
|
395 | { |
283 | typedef T *iterator; |
396 | typedef T *iterator; |
284 | |
397 | |
285 | void push_back (T d) { simplevec<void *>::push_back ((void *)d); } |
398 | void push_back (T d) { simplevec<void *>::push_back ((void *)d); } |
286 | T pop_back () { return (T*)simplevec<void *>::pop_back (); } |
399 | T pop_back () { return (T*)simplevec<void *>::pop_back (); } |
287 | void erase (int i) { erase (begin () + i); } |
400 | void erase (int i) { erase (begin () + i); } |
… | |
… | |
291 | T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } |
404 | T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } |
292 | const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } |
405 | const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } |
293 | }; |
406 | }; |
294 | #endif |
407 | #endif |
295 | |
408 | |
296 | template <typename I, typename T> |
|
|
297 | I find (I first, I last, const T& value) |
|
|
298 | { |
|
|
299 | while (first != last && *first != value) |
|
|
300 | ++first; |
|
|
301 | |
|
|
302 | return first; |
|
|
303 | } |
|
|
304 | |
|
|
305 | template<typename T> |
409 | template<typename T> |
306 | struct auto_ptr { |
410 | struct auto_ptr |
|
|
411 | { |
307 | T *p; |
412 | T *p; |
308 | |
413 | |
309 | auto_ptr () : p (0) { } |
414 | auto_ptr () : p (0) { } |
310 | auto_ptr (T *a) : p (a) { } |
415 | auto_ptr (T *a) : p (a) { } |
311 | |
416 | |
… | |
… | |
360 | } |
465 | } |
361 | }; |
466 | }; |
362 | |
467 | |
363 | typedef auto_ptr<char> auto_str; |
468 | typedef auto_ptr<char> auto_str; |
364 | |
469 | |
365 | struct stringvec : simplevec<char *> |
|
|
366 | { |
|
|
367 | ~stringvec () |
|
|
368 | { |
|
|
369 | for (char **c = begin (); c != end (); c++) |
|
|
370 | delete [] *c; |
|
|
371 | } |
|
|
372 | }; |
|
|
373 | |
|
|
374 | #endif |
470 | #endif |
375 | |
471 | |