homework-jianmu/source/libs/function/src/texpr.c

68 lines
1.7 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 "function.h"
#include "os.h"
#include "texception.h"
#include "tmsg.h"
static void doExprTreeDestroy(tExprNode **pExpr, void (*fp)(void *));
void tExprTreeDestroy(tExprNode *pNode, void (*fp)(void *)) {
if (pNode == NULL) {
return;
}
if (pNode->nodeType == TEXPR_BINARYEXPR_NODE || pNode->nodeType == TEXPR_UNARYEXPR_NODE) {
doExprTreeDestroy(&pNode, fp);
}
taosMemoryFree(pNode);
}
static void doExprTreeDestroy(tExprNode **pExpr, void (*fp)(void *)) {
if (*pExpr == NULL) {
return;
}
taosMemoryFree(*pExpr);
*pExpr = NULL;
}
// TODO: these three functions should be made global
static void* exception_calloc(size_t nmemb, size_t size) {
void* p = taosMemoryCalloc(nmemb, size);
if (p == NULL) {
THROW(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
return p;
}
static void* exception_malloc(size_t size) {
void* p = taosMemoryMalloc(size);
if (p == NULL) {
THROW(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
return p;
}
static UNUSED_FUNC char* exception_strdup(const char* str) {
char* p = strdup(str);
if (p == NULL) {
THROW(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
return p;
}