homework-jianmu/source/os/src/osMath.c

39 lines
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/>.
*/
#define ALLOW_FORBID_FUNC
#define _DEFAULT_SOURCE
#include "os.h"
#include <stdlib.h>
#ifdef WINDOWS
void swapStr(char* j, char* J, int width) {
int i;
char tmp;
for (i = 0; i < width; i++) {
tmp = *j;
*j = *J;
*J = tmp;
j++;
J++;
}
}
#endif
// todo refactor: 1) move away; 2) use merge sort instead; 3) qsort is not a stable sort actually.
void taosSort(void* arr, int64_t sz, int64_t width, __compar_fn_t compar) {
qsort(arr, sz, width, compar);
}