x86-64: Optimize strlen/strnlen/wcslen/wcsnlen with AVX2
[glibc.git] / locale / programs / xstrdup.c
blobdcd89b160f6a90aa662e00ef10aa5c4e9de16425
1 /* xstrdup.c -- copy a string with out of memory checking
2 Copyright (C) 1990-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <http://www.gnu.org/licenses/>. */
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
22 #if defined STDC_HEADERS || defined HAVE_STRING_H || _LIBC
23 # include <string.h>
24 #else
25 # include <strings.h>
26 #endif
27 void *xmalloc (size_t n) __THROW;
28 char *xstrdup (char *string) __THROW;
30 /* Return a newly allocated copy of STRING. */
32 char *
33 xstrdup (char *string)
35 return strcpy (xmalloc (strlen (string) + 1), string);