annotate include/mb_tools.h @ 1493:b0e113605382

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author Thinker K.F. Li <thinker@codemud.net>
date Mon, 02 May 2011 23:26:32 +0800
parents 586e50f82c1f
children
rev   line source
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 #ifndef __TOOLS_H_
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4 #define __TOOLS_H_
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5
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6 typedef struct _elmpool elmpool_t;
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7
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8 extern elmpool_t *elmpool_new(int elm_sz, int inc_num);
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9 extern void *elmpool_elm_alloc(elmpool_t *pool);
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10 extern void elmpool_elm_free(elmpool_t *pool, void *elm);
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11 extern void elmpool_free(elmpool_t *pool);
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13
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14 #define STAILQ(type) \
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15 struct { \
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16 type *head; \
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17 type *tail; \
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18 }
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19 #define STAILQ_INIT(q) \
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20 do { \
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21 (q).head = (q).tail = NULL; \
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22 } while(0)
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23 #define STAILQ_CLEAN(q) STAILQ_INIT(q)
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24 #define STAILQ_HEAD(q) ((q).head)
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25 #define STAILQ_TAIL(q) ((q).tail)
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26 #define STAILQ_NEXT(type, field, elm) ((elm)->field)
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27 #define STAILQ_INS(q, type, field, elm) \
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28 do { \
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29 (elm)->field = (q).head; \
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30 (q).head = elm; \
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31 if((q).tail == NULL) \
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32 (q).tail = elm; \
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33 } while(0)
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34 #define STAILQ_INS_TAIL(q, type, field, elm) \
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35 do { \
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36 (elm)->field = NULL; \
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37 if((q).tail != NULL) \
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38 (q).tail->field = elm; \
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39 (q).tail = elm; \
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40 if((q).head == NULL) \
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41 (q).head = elm; \
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42 } while(0)
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43 #define STAILQ_INS_AFTER(type, field, follow, elm) \
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44 do { \
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45 (follow)->field = (elm)->field; \
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46 (elm)->field = follow; \
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47 } while(0)
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48 #define STAILQ_REMOVE(q, type, field, elm) \
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49 do { \
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50 if((elm) == (q).head) { \
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51 (q).head = (elm)->field; \
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52 if((q).head == NULL) \
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53 (q).tail = NULL; \
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54 } else { \
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55 type *_stailq_cur = (q).head; \
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56 while(_stailq_cur != NULL && \
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57 _stailq_cur->field != (elm)) \
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58 _stailq_cur = _stailq_cur->field; \
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59 if(_stailq_cur != NULL) { \
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60 _stailq_cur->field = (elm)->field; \
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61 if((q).tail == (elm)) \
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62 (q).tail = _stailq_cur; \
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63 } \
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64 } \
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65 } while(0)
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66 #define STAILQ_FOR_EACH(q, type, field, elm) \
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67 for((elm) = (q).head; \
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68 (elm) != NULL; \
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69 (elm) = (elm)->field)
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70
158
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71 /*! \defgroup darray Dynamic Array
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72 *
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73 * DARRAY is a dynamic sized array/list, it's length is a variable.
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74 * It is extended, automatically, if it is full and more elemnts are
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75 * putted in.
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76 *
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77 * Users of DARRAY must declare a new type to store data. The way to
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78 * declear a new type is to invoke DARRAY() with paramters of name of
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79 * type and type of data to be stored in. The new storage type is named
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80 * with foo_t where foo is the name you pass in.
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81 *
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82 * DARRAY_DEFINE() is inovked to define foo_add() function; foo is name
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83 * of storage type. You can call foo_add() to add a data element
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84 * into a storage object.
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85 *
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86 * Get ith element in a storage object, use
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87 * \code
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88 * obj->ds[i]
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89 * \endcode
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90 *
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91 * To loop over elements in a storage object, us
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92 * \code
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93 * for(i = 0; i < obj->num; i++) {
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94 * v = obj->ds[i];
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95 * ......
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96 * }
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97 * \endcode
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98 * @{
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99 */
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100 /*! \brief Declare a DARRAY storage type.
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101 *
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102 * \param name is name of storage type.
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103 * \param type is type of data elements that will be stored in.
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104 *
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105 * Type of <name>_t is defined by the macro. It is used to define a
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106 * storage object to contain data elements.
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107 */
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108 #define DARRAY(name, type) \
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109 struct _ ## name { \
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110 int max, num; \
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111 type *ds; \
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112 }; \
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113 typedef struct _ ## name name ## _t
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114 #define DARRAY_DEFINE(name, type) \
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115 static int name ## _add(name ## _t *da, type v) { \
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116 type *new_ds; \
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117 int max; \
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118 if(da->num >= (da)->max) { \
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119 max = (da)->max + 32; \
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120 new_ds = realloc(da->ds, \
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121 max * sizeof(type)); \
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122 if(new_ds == NULL) return -1; \
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123 da->ds = new_ds; \
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124 da->max = max; \
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125 } \
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126 da->ds[da->num++] = v; \
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127 return 0; \
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128 }
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129 #define DARRAY_DEFINE_ADV(name, type) \
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130 static int name ## _adv(name ## _t *da, int n) { \
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131 type *new_ds; \
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132 int max; \
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133 if((da->num + n) > (da)->max) { \
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134 max = ((da)->num + n + 31) & ~0x1f; \
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135 new_ds = realloc(da->ds, \
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136 max * sizeof(type)); \
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137 if(new_ds == NULL) return -1; \
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138 da->ds = new_ds; \
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139 da->max = max; \
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140 } \
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141 da->num += n; \
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142 return 0; \
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parents: 375
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143 }
158
c1cdd3fcd28f Postponing rdman_coord_free() and rdman_remove_shape().
Thinker K.F. Li <thinker@branda.to>
parents: 155
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144 #define DARRAY_CLEAN(da) do { (da)->num = 0; } while(0)
235
65cabbdd5284 termporary revision
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145 #define DARRAY_INIT(da) \
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146 do { (da)->num = (da)->max = 0; (da)->ds = NULL; } while(0)
158
c1cdd3fcd28f Postponing rdman_coord_free() and rdman_remove_shape().
Thinker K.F. Li <thinker@branda.to>
parents: 155
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147 #define DARRAY_DESTROY(da) do { if((da)->ds) free((da)->ds); } while(0)
c1cdd3fcd28f Postponing rdman_coord_free() and rdman_remove_shape().
Thinker K.F. Li <thinker@branda.to>
parents: 155
diff changeset
148 /* @} */
55
01ed2bc37eed Radial gradient paint
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parents: 39
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149
131
6a8588df68af Tank can change direction and navigate on the mud area
Thinker K.F. Li <thinker@branda.to>
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diff changeset
150 #include <stdlib.h>
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151
55
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152 #define O_ALLOC(type) ((type *)malloc(sizeof(type)))
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153
73
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 55
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154 #define OFFSET(type, mem) (((void *)&((type *)NULL)->mem) - NULL)
9ab15ebc9061 Observer for mouse events
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parents: 55
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155 #define MEM2OBJ(var, type, mem) ((type *)((void *)var - OFFSET(type, mem)))
93
Thinker K.F. Li <thinker@branda.to>
parents: 73
diff changeset
156 #define OFF2TYPE(obj, off, type) (*(type *)((void *)(obj) + (off)))
73
9ab15ebc9061 Observer for mouse events
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parents: 55
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157
375
44b8223f307c Rename MIN/MAX to MB_MIN/MB_MAX.
Thinker K.F. Li <thinker@branda.to>
parents: 250
diff changeset
158 #define MB_MAX(a, b) ((a) > (b)? (a): (b))
44b8223f307c Rename MIN/MAX to MB_MIN/MB_MAX.
Thinker K.F. Li <thinker@branda.to>
parents: 250
diff changeset
159 #define MB_MIN(a, b) ((a) < (b)? (a): (b))
250
bd8ea44b421e Fix bug and finish unit test for collision testing in event.c.
Thinker K.F. Li <thinker@branda.to>
parents: 235
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160
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents:
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161 #endif /* __TOOLS_H_ */