1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
6 * UCRL-CODE-235197
7 *
8 * This file is part of the SPL, Solaris Porting Layer.
9 *
10 * The SPL is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * The SPL is distributed in the hope that it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 * for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with the SPL. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #ifndef _SPL_STRING_H
25 #define _SPL_STRING_H
26
27 #include <linux/string.h>
28
29 #ifndef HAVE_KERNEL_STRLCPY
30 /*
31 * strscpy is strlcpy, but returns an error on truncation. strlcpy is defined
32 * to return strlen(src), so detect error and override it.
33 */
34 static inline size_t
strlcpy(char * dest,const char * src,size_t size)35 strlcpy(char *dest, const char *src, size_t size)
36 {
37 ssize_t ret = strscpy(dest, src, size);
38 if (likely(ret > 0))
39 return ((size_t)ret);
40 return (strlen(src));
41 }
42 #endif /* HAVE_KERNEL_STRLCPY */
43
44 #endif /* _SPL_STRING_H */
45