-
Notifications
You must be signed in to change notification settings - Fork 7
/
bs_vector.c
139 lines (128 loc) · 3.14 KB
/
bs_vector.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/**
* bushaofeng. 2011.8.26
* bs_vector.c
* history:
*/
#include "bs_vector.h"
uint32_t g_vector_realloc_size = VECTOR_REALLOC_SIZE;
void* _vector_init(void* p){
_vector_t* v = (_vector_t*)p;
v->len = 0;
v->size = 0;
v->mem = NULL;
return v;
}
void _vector_destroy(void* p){
_vector_t* v = (_vector_t*)p;
if (v->mem != NULL)
{
free(v->mem);
}
v->len = 0;
v->size = 0;
}
int _vector_add(_vector_t* v, void* elem, uint32_t esize){
void* pnew = NULL;
if (vector_count(v) >= vector_size(v)) {
pnew = realloc(v->mem, (vector_size(v)*esize + g_vector_realloc_size)*esize);
if (pnew==NULL) {
return BS_INVALID;
}
v->mem = pnew;
v->size += g_vector_realloc_size;
}
memcpy((char*)v->mem+vector_count(v)*esize, elem, esize);
v->len++;
return v->len-1;
}
state_t _vector_find(_vector_t* v, void* elem, uint32_t esize){
int i = 0;
for (; i<vector_count(v); i++) {
if(memcmp((char*)v->mem+i*esize, elem, esize)==0){
return i;
}
}
return BS_NOTFOUND;
}
//int bs_vector_lock_init(_vector_t* vector, uint32_t size, uint32_t esize, bool_t islock){
// assert(vector!=NULL);
// memset(vector, 0, sizeof(_vector_t));
// vector->islock = islock;
// if(islock){
// if(pthread_rwlock_init(&vector->lock, NULL)!=0){
// return BS_INVALID;
// }
// }
// vector->esize = esize;
// vector->mem = malloc(vector->esize * size);
// if(vector->mem == NULL){
// return BS_NOMEM;
// }
// vector->size = size;
// vector->vlen = 0;
//
// return BS_SUCCESS;
//}
//
//int bs_vector_lock_add(_vector_t* vector, void* elem){
// void* pnew;
// char* pcopy;
// uint32_t resize;
//
// assert(vector!=NULL && elem!=NULL);
//
// if(vector->islock){
// pthread_rwlock_wrlock(&vector->lock);
// }
// if(vector->vlen >= vector->size){
// resize = vector->size>1? vector->size/2:1;
// pnew = realloc(vector->mem, (vector->vlen+resize)*vector->esize);
// if(pnew == NULL){
// return BS_NOMEM;
// }
//
// vector->mem= pnew;
// vector->size += resize;
// }
//
// pcopy = (char*)vector->mem + vector->vlen * vector->esize;
// memcpy(pcopy, elem, vector->esize);
// vector->vlen++;
// if(vector->islock){
// pthread_rwlock_unlock(&vector->lock);
// }
//
// return BS_SUCCESS;
//}
//
//void* bs_vector_lock_getback(_vector_t* v){
// void* pnew;
// char* pcopy;
// uint32_t resize;
//
// assert(v!=NULL);
//
// if(v->islock){
// pthread_rwlock_wrlock(&v->lock);
// }
//
// if(v->vlen >= v->size){
// resize = v->size>1 ? v->size/2:1;
// pnew = realloc(v->mem, (v->vlen+resize) * v->esize);
// if(pnew == NULL){
// return NULL;
// }
//
// v->mem= pnew;
// v->size += resize;
// }
//
// pcopy = (char*)v->mem + v->vlen * v->esize;
// v->vlen++;
//
// if(v->islock){
// pthread_rwlock_unlock(&v->lock);
// }
//
// return pcopy;
//}