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… | |
| 43 | g_slice_free1 (s, p); |
43 | g_slice_free1 (s, p); |
| 44 | } |
44 | } |
| 45 | }; |
45 | }; |
| 46 | |
46 | |
| 47 | // strictly the same as g_slice_alloc, but never returns 0 |
47 | // strictly the same as g_slice_alloc, but never returns 0 |
| 48 | void *alloc (int s) throw (std::bad_alloc); |
48 | void *salloc (int size) throw (std::bad_alloc); |
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49 | // also copies src into the new area, like "memdup" |
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50 | // if src is 0, clears the memory |
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51 | void *salloc (int size, void *src) throw (std::bad_alloc); |
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52 | |
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53 | // and as a template |
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54 | template<typename T> |
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55 | inline T *salloc (int size) throw (std::bad_alloc) { return (T *)salloc (size * sizeof (T)); } |
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56 | template<typename T> |
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57 | inline T *salloc (int size, T *src) throw (std::bad_alloc) { return (T *)salloc (size * sizeof (T), (void *)src); } |
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58 | |
| 49 | // for symmetry |
59 | // for symmetry |
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60 | template<typename T> |
| 50 | inline void dealloc (void *p, int s) throw () |
61 | inline void sfree (T *ptr, int size) throw () |
| 51 | { |
62 | { |
| 52 | g_slice_free1 (s, p); |
63 | g_slice_free1 (size * sizeof (T), (void *)ptr); |
| 53 | } |
64 | } |
| 54 | |
65 | |
| 55 | // a STL-compatible allocator that uses g_slice |
66 | // a STL-compatible allocator that uses g_slice |
| 56 | // boy, this is verbose |
67 | // boy, this is verbose |
| 57 | template<typename Tp> |
68 | template<typename Tp> |
| … | |
… | |
| 81 | pointer address (reference x) const { return &x; } |
92 | pointer address (reference x) const { return &x; } |
| 82 | const_pointer address (const_reference x) const { return &x; } |
93 | const_pointer address (const_reference x) const { return &x; } |
| 83 | |
94 | |
| 84 | pointer allocate (size_type n, const_pointer = 0) |
95 | pointer allocate (size_type n, const_pointer = 0) |
| 85 | { |
96 | { |
| 86 | return static_cast<pointer>(alloc (n * sizeof (Tp))); |
97 | return salloc<Tp> (n); |
| 87 | } |
98 | } |
| 88 | |
99 | |
| 89 | void deallocate (pointer p, size_type n) |
100 | void deallocate (pointer p, size_type n) |
| 90 | { |
101 | { |
| 91 | dealloc (static_cast<void *>(p), n * sizeof (Tp)); |
102 | sfree<Tp> (p, n); |
| 92 | } |
103 | } |
| 93 | |
104 | |
| 94 | size_type max_size ()const throw () |
105 | size_type max_size ()const throw () |
| 95 | { |
106 | { |
| 96 | return size_t (-1) / sizeof (Tp); |
107 | return size_t (-1) / sizeof (Tp); |
| … | |
… | |
| 107 | } |
118 | } |
| 108 | }; |
119 | }; |
| 109 | |
120 | |
| 110 | struct refcounted |
121 | struct refcounted |
| 111 | { |
122 | { |
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123 | refcounted () : refcnt (0) { } |
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124 | // virtual ~refcounted (); |
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125 | void refcnt_inc () { ++refcnt; } |
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126 | void refcnt_dec () { --refcnt; } |
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127 | bool dead () { return refcnt == 0; } |
| 112 | mutable int refcnt; |
128 | mutable int refcnt; |
| 113 | refcounted () : refcnt (0) { } |
129 | #if 0 |
| 114 | void refcnt_inc () { ++refcnt; } |
130 | private: |
| 115 | void refcnt_dec () { --refcnt; |
131 | static refcounted *rc_first; |
| 116 | if (refcnt < 0)abort();}//D |
132 | refcounted *rc_next; |
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133 | #endif |
| 117 | }; |
134 | }; |
| 118 | |
135 | |
| 119 | template<class T> |
136 | template<class T> |
| 120 | struct refptr |
137 | struct refptr |
| 121 | { |
138 | { |
| … | |
… | |
| 216 | inline void assign (char (&dst)[N], const char *src) |
233 | inline void assign (char (&dst)[N], const char *src) |
| 217 | { |
234 | { |
| 218 | assign ((char *)&dst, src, N); |
235 | assign ((char *)&dst, src, N); |
| 219 | } |
236 | } |
| 220 | |
237 | |
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238 | typedef double tstamp; |
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239 | |
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240 | // return current time as timestampe |
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241 | tstamp now (); |
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242 | |
| 221 | #endif |
243 | #endif |
| 222 | |
244 | |
