mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
45 lines
No EOL
1.1 KiB
C
45 lines
No EOL
1.1 KiB
C
/*
|
|
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
|
|
*
|
|
* This program is free software: you can use, redistribute, and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3
|
|
* or later ("AGPL"), as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "vnd.h"
|
|
|
|
int32_t vnodeRealloc(void** pp, int32_t size) {
|
|
uint8_t* p = NULL;
|
|
int32_t csize = 0;
|
|
|
|
if (*pp) {
|
|
p = (uint8_t*)(*pp) - sizeof(int32_t);
|
|
csize = *(int32_t*)p;
|
|
}
|
|
|
|
if (csize >= size) {
|
|
return 0;
|
|
}
|
|
|
|
p = (uint8_t*)taosMemoryRealloc(p, size);
|
|
if (p == NULL) {
|
|
return TSDB_CODE_OUT_OF_MEMORY;
|
|
}
|
|
*(int32_t*)p = size;
|
|
*pp = p + sizeof(int32_t);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void vnodeFree(void* p) {
|
|
if (p) {
|
|
taosMemoryFree(((uint8_t*)p) - sizeof(int32_t));
|
|
}
|
|
} |