1 /*
2 * Copyright (c) 2014 - 2019 Oleh Kulykov <info@resident.name>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22
23
24 #include "rws_string.h"
25 #include "rws_memory.h"
26
rws_string_copy(const char * str)27 char * rws_string_copy(const char * str) {
28 return str ? rws_string_copy_len(str, strlen(str)) : NULL;
29 }
30
rws_string_copy_len(const char * str,const size_t len)31 char * rws_string_copy_len(const char * str, const size_t len) {
32 char * s = (str && len > 0) ? (char *)rws_malloc(len + 1) : NULL;
33 if (s) {
34 memcpy(s, str, len);
35 s[len] = 0;
36 return s;
37 }
38 return NULL;
39 }
40
rws_string_delete(char * str)41 void rws_string_delete(char * str) {
42 rws_free(str);
43 }
44
rws_string_delete_clean(char ** str)45 void rws_string_delete_clean(char ** str) {
46 if (str) {
47 rws_free(*str);
48 *str = NULL;
49 }
50 }
51