Files
oceanbase/deps/ussl-hook/loop/ussl_link.h
2023-07-12 05:12:18 +00:00

40 lines
1.2 KiB
C

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
typedef struct ussl_link_t {
struct ussl_link_t* next;
} ussl_link_t;
inline void ussl_link_init(ussl_link_t* n) {
n->next = n;
}
inline ussl_link_t* ussl_link_insert(ussl_link_t* prev, ussl_link_t* t) {
t->next = prev->next;
return prev->next = t;
}
inline ussl_link_t* ussl_link_delete(ussl_link_t* prev) {
ussl_link_t* next = prev->next;
prev->next = next->next;
return next;
}
inline ussl_link_t* ussl_link_pop(ussl_link_t* h) {
ussl_link_t* ret = h->next;
if (ret) {
h->next = ret->next;
}
return ret;
}
#define ussl_link_for_each(h, n) for(ussl_link_t *lpi = h, *n = NULL; lpi && (n = lpi->next, 1); lpi = n)