1  /* xstrdup.c -- copy a string with out of memory checking
       2     Copyright (C) 1990-2023 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
      27  void *xmalloc (size_t n) __THROW;
      28  char *xstrdup (char *string) __THROW;
      29  
      30  /* Return a newly allocated copy of STRING.  */
      31  
      32  char *
      33  xstrdup (char *string)
      34  {
      35    return strcpy (xmalloc (strlen (string) + 1), string);
      36  }