gauc 0.3.0

Couchbase Rust Adapter / CLI
Documentation 
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
140
141
142
143
144

/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *     Copyright 2013 Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

#include "internal.h"

void lcb_list_init(lcb_list_t *list)
{
    list->next = list;
    list->prev = list;
}

static void list_insert(lcb_list_t *prev, lcb_list_t *next, lcb_list_t *item)
{
    item->next = next;
    item->prev = prev;
    next->prev = item;
    prev->next = item;
}

void lcb_list_prepend(lcb_list_t *list, lcb_list_t *item)
{
    list_insert(list, list->next, item);
}

void lcb_list_append(lcb_list_t *list, lcb_list_t *item)
{
    list_insert(list->prev, list, item);
}

static void list_eject(lcb_list_t *prev, lcb_list_t *next)
{
    next->prev = prev;
    prev->next = next;
}

void lcb_list_delete(lcb_list_t *item)
{
    list_eject(item->prev, item->next);
    item->next = item->prev = NULL;
}


lcb_list_t *lcb_list_shift(lcb_list_t *list)
{
    lcb_list_t *item;

    if (LCB_LIST_IS_EMPTY(list)) {
        return NULL;
    }
    item = list->next;
    lcb_list_delete(item);
    return item;
}

lcb_list_t *lcb_list_pop(lcb_list_t *list)
{
    lcb_list_t *item;

    if (LCB_LIST_IS_EMPTY(list)) {
        return NULL;
    }
    item = list->prev;
    lcb_list_delete(item);
    return item;
}

int lcb_list_contains(lcb_list_t *list, lcb_list_t *item)
{
    lcb_list_t *ptr = list->next;

    while (ptr != list && ptr != item) {
        ptr = ptr->next;
    }

    return (ptr == item) ? 1 : 0;
}

void lcb_list_add_sorted(lcb_list_t *list, lcb_list_t *item, lcb_list_cmp_fn cmp)
{
    lcb_list_t *p;

    if (LCB_LIST_IS_EMPTY(list)) {
        list_insert(list->prev, list, item);
    } else {
        LCB_LIST_FOR(p, list) {
            if (cmp(item, p) < 0) {
                break;
            }
        }
        list_insert(p->prev, p, item);
    }
}


void lcb_clist_init(lcb_clist_t *cl)
{
    lcb_list_init((lcb_list_t*)cl);
    cl->size = 0;
}
void lcb_clist_append(lcb_clist_t *cl, lcb_list_t *item)
{
    lcb_list_append((lcb_list_t*)cl, item);
    cl->size++;
}
void lcb_clist_prepend(lcb_clist_t *cl, lcb_list_t *item)
{
    lcb_list_prepend((lcb_list_t *)cl, item);
    cl->size++;
}
void lcb_clist_delete(lcb_clist_t *cl, lcb_list_t *item)
{
    lcb_list_delete(item);
    cl->size--;
}
lcb_list_t *lcb_clist_pop(lcb_clist_t *cl)
{
    lcb_list_t *ret = lcb_list_pop((lcb_list_t*)cl);
    if (ret) {
        cl->size--;
    }
    return ret;
}
lcb_list_t *lcb_clist_shift(lcb_clist_t *cl)
{
    lcb_list_t *ret = lcb_list_shift((lcb_list_t *)cl);
    if (ret) {
        cl->size--;
    }
    return ret;
}