1/* xstrdup.c -- copy a string with out of memory checking
2 Copyright (C) 1990-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <https://www.gnu.org/licenses/>. */
17
18#ifdef HAVE_CONFIG_H
19# include <config.h>
20#endif
21
22#if defined STDC_HEADERS || defined HAVE_STRING_H || _LIBC
23# include <string.h>
24#else
25# include <strings.h>
26#endif
27void *xmalloc (size_t n) __THROW;
28char *xstrdup (char *string) __THROW;
29
30/* Return a newly allocated copy of STRING. */
31
32char *
33xstrdup (char *string)
34{
35 return strcpy (dest: xmalloc (n: strlen (s: string) + 1), src: string);
36}
37

source code of glibc/locale/programs/xstrdup.c