ares_strsplit.h (2155B)
1 /* MIT License 2 * 3 * Copyright (c) 2018 John Schember 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 * SPDX-License-Identifier: MIT 25 */ 26 #ifndef HEADER_CARES_STRSPLIT_H 27 #define HEADER_CARES_STRSPLIT_H 28 29 /* Split a string on delms skipping empty or duplicate elements. 30 * 31 * param in String to split. 32 * param delms String of characters to treat as a delimiter. 33 * Each character in the string is a delimiter so 34 * there can be multiple delimiters to split on. 35 * E.g. ", " will split on all comma's and spaces. 36 * Duplicate (case-insensitive) entries are removed. 37 * param num_elm Return parameter of the number of elements 38 * in the result array. 39 * 40 * returns an allocated array of allocated string elements. 41 * 42 */ 43 char **ares_strsplit(const char *in, const char *delms, size_t *num_elm); 44 45 /* Frees the result returned from ares_strsplit(). */ 46 void ares_strsplit_free(char **elms, size_t num_elm); 47 48 /* Duplicate the array */ 49 char **ares_strsplit_duplicate(char **elms, size_t num_elm); 50 51 #endif /* HEADER_CARES_STRSPLIT_H */