Mercurial > MadButterfly
annotate include/mb_tools.h @ 1127:baf4c4d48cff
Fix issue of passing EGLSurface with mbe_surface_t for OpenVG
author | Thinker K.F. Li <thinker@codemud.net> |
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date | Tue, 14 Dec 2010 11:04:56 +0800 |
parents | 586e50f82c1f |
children |
rev | line source |
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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; -*- |
586e50f82c1f
Unify coding style tag for emacs and vim.
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2 // vim: sw=4:ts=8:sts=4 |
12 | 3 #ifndef __TOOLS_H_ |
4 #define __TOOLS_H_ | |
5 | |
6 typedef struct _elmpool elmpool_t; | |
7 | |
8 extern elmpool_t *elmpool_new(int elm_sz, int inc_num); | |
9 extern void *elmpool_elm_alloc(elmpool_t *pool); | |
10 extern void elmpool_elm_free(elmpool_t *pool, void *elm); | |
11 extern void elmpool_free(elmpool_t *pool); | |
12 | |
13 | |
14 #define STAILQ(type) \ | |
15 struct { \ | |
16 type *head; \ | |
17 type *tail; \ | |
18 } | |
19 #define STAILQ_INIT(q) \ | |
20 do { \ | |
21 (q).head = (q).tail = NULL; \ | |
22 } while(0) | |
13 | 23 #define STAILQ_CLEAN(q) STAILQ_INIT(q) |
12 | 24 #define STAILQ_HEAD(q) ((q).head) |
25 #define STAILQ_TAIL(q) ((q).tail) | |
26 #define STAILQ_NEXT(type, field, elm) ((elm)->field) | |
27 #define STAILQ_INS(q, type, field, elm) \ | |
28 do { \ | |
29 (elm)->field = (q).head; \ | |
30 (q).head = elm; \ | |
31 if((q).tail == NULL) \ | |
32 (q).tail = elm; \ | |
33 } while(0) | |
34 #define STAILQ_INS_TAIL(q, type, field, elm) \ | |
35 do { \ | |
36 (elm)->field = NULL; \ | |
37 if((q).tail != NULL) \ | |
38 (q).tail->field = elm; \ | |
39 (q).tail = elm; \ | |
40 if((q).head == NULL) \ | |
41 (q).head = elm; \ | |
42 } while(0) | |
39 | 43 #define STAILQ_INS_AFTER(type, field, follow, elm) \ |
44 do { \ | |
45 (follow)->field = (elm)->field; \ | |
46 (elm)->field = follow; \ | |
47 } while(0) | |
12 | 48 #define STAILQ_REMOVE(q, type, field, elm) \ |
96 | 49 do { \ |
12 | 50 if((elm) == (q).head) { \ |
51 (q).head = (elm)->field; \ | |
52 if((q).head == NULL) \ | |
53 (q).tail = NULL; \ | |
54 } else { \ | |
55 type *_stailq_cur = (q).head; \ | |
56 while(_stailq_cur != NULL && \ | |
57 _stailq_cur->field != (elm)) \ | |
58 _stailq_cur = _stailq_cur->field; \ | |
59 if(_stailq_cur != NULL) { \ | |
155
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Fix bug for STAILQ that fail to remove a node.
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60 _stailq_cur->field = (elm)->field; \ |
12 | 61 if((q).tail == (elm)) \ |
62 (q).tail = _stailq_cur; \ | |
63 } \ | |
64 } \ | |
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) |
12 | 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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143 } |
158
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144 #define DARRAY_CLEAN(da) do { (da)->num = 0; } while(0) |
235 | 145 #define DARRAY_INIT(da) \ |
146 do { (da)->num = (da)->max = 0; (da)->ds = NULL; } while(0) | |
158
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147 #define DARRAY_DESTROY(da) do { if((da)->ds) free((da)->ds); } while(0) |
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148 /* @} */ |
55 | 149 |
131
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Tank can change direction and navigate on the mud area
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150 #include <stdlib.h> |
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151 |
55 | 152 #define O_ALLOC(type) ((type *)malloc(sizeof(type))) |
153 | |
73
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Observer for mouse events
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154 #define OFFSET(type, mem) (((void *)&((type *)NULL)->mem) - NULL) |
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155 #define MEM2OBJ(var, type, mem) ((type *)((void *)var - OFFSET(type, mem))) |
93 | 156 #define OFF2TYPE(obj, off, type) (*(type *)((void *)(obj) + (off))) |
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157 |
375
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158 #define MB_MAX(a, b) ((a) > (b)? (a): (b)) |
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159 #define MB_MIN(a, b) ((a) < (b)? (a): (b)) |
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160 |
12 | 161 #endif /* __TOOLS_H_ */ |