release/src/router/libiconv/srclib/xstrdup.c

   1 /* xstrdup.c -- copy a string with out of memory checking
   2    Copyright (C) 1990, 1996, 2000-2003, 2005-2006 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 /* Specification.  */
  20 #include "xalloc.h"
  21
  22 #include <string.h>
  23
  24 /* Return a newly allocated copy of the N bytes of memory starting at P.  */
  25
  26 void *
  27 xmemdup (const void *p, size_t n)
  28 {
  29   void *q = xmalloc (n);
  30   memcpy (q, p, n);
  31   return q;
  32 }
  33
  34 /* Return a newly allocated copy of STRING.  */
  35
  36 char *
  37 xstrdup (const char *string)
  38 {
  39   return strcpy (XNMALLOC (strlen (string) + 1, char), string);
  40 }