root/maint/gnulib/lib/unistr/u-cpy-alloc.h

/* */

INCLUDED FROM

DEFINITIONS

1. FUNC

   1 /* Copy piece of UTF-8/UTF-16/UTF-32 string.
   2    Copyright (C) 1999, 2002, 2006-2007, 2009-2021 Free Software Foundation,
   3    Inc.
   4    Written by Bruno Haible <bruno@clisp.org>, 2002.
   5 
   6    This file is free software.
   7    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
   8    You can redistribute it and/or modify it under either
   9      - the terms of the GNU Lesser General Public License as published
  10        by the Free Software Foundation; either version 3, or (at your
  11        option) any later version, or
  12      - the terms of the GNU General Public License as published by the
  13        Free Software Foundation; either version 2, or (at your option)
  14        any later version, or
  15      - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
  16 
  17    This file is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20    Lesser General Public License and the GNU General Public License
  21    for more details.
  22 
  23    You should have received a copy of the GNU Lesser General Public
  24    License and of the GNU General Public License along with this
  25    program.  If not, see <https://www.gnu.org/licenses/>.  */
  26 
  27 #include <stdlib.h>
  28 #include <string.h>
  29 
  30 UNIT *
  31 FUNC (const UNIT *s, size_t n)
     /*  */
  32 {
  33   UNIT *dest;
  34 
  35   dest = (UNIT *) malloc (n > 0 ? n * sizeof (UNIT) : 1);
  36   if (dest != NULL)
  37     {
  38 #if 0
  39       UNIT *destptr = dest;
  40 
  41       for (; n > 0; n--)
  42         *destptr++ = *s++;
  43 #else
  44       if (n > 0)
  45         memcpy ((char *) dest, (const char *) s, n * sizeof (UNIT));
  46 #endif
  47     }
  48   return dest;
  49 }

/* */