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comparison extern/libcompat/src/strdup.c @ 934:243f9f51b0ff

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irccd: import libcompat and utilities
author David Demelier <markand@malikania.fr>
date Sun, 10 Jan 2021 16:56:32 +0100
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children cf99df45cb84
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933:a29cd04e3878 934:243f9f51b0ff
1 /*
2 * strdup.c -- strdup implementation
3 *
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <assert.h>
20 #include <stdlib.h>
21 #include <string.h>
22
23 char *
24 strdup(const char *src)
25 {
26 assert(src);
27
28 char *ret;
29 size_t length;
30
31 length = strlen(src) + 1;
32
33 if (!(ret = malloc(length)))
34 return NULL;
35
36 return memcpy(ret, src, length);
37 }