/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #define ALLOW_FORBID_FUNC #define _DEFAULT_SOURCE #include "os.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) { #ifdef WINDOWS int64_t i, j; for (i = 0; i < sz - 1; i++) { for (j = 0; j < sz - 1 - i; j++) { if (compar((char*)arr + j * width, (char*)arr + (j + 1) * width) > 0.00) { swapStr((char*)arr + j * width, (char*)arr + (j + 1) * width, width); } } } #else qsort(arr, sz, width, compar); #endif }