Blame gnulib/lib/strndup.c

Packit Service a2ae7a
/* A replacement function, for systems that lack strndup.
Packit Service a2ae7a
Packit Service a2ae7a
   Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2019 Free Software
Packit Service a2ae7a
   Foundation, Inc.
Packit Service a2ae7a
Packit Service a2ae7a
   This program is free software; you can redistribute it and/or modify it
Packit Service a2ae7a
   under the terms of the GNU Lesser General Public License as published by the
Packit Service a2ae7a
   Free Software Foundation; either version 2.1, or (at your option) any
Packit Service a2ae7a
   later version.
Packit Service a2ae7a
Packit Service a2ae7a
   This program is distributed in the hope that it will be useful,
Packit Service a2ae7a
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit Service a2ae7a
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Packit Service a2ae7a
   GNU Lesser General Public License for more details.
Packit Service a2ae7a
Packit Service a2ae7a
   You should have received a copy of the GNU Lesser General Public License
Packit Service a2ae7a
   along with this program; if not, see <https://www.gnu.org/licenses/>.  */
Packit Service a2ae7a
Packit Service a2ae7a
#include <config.h>
Packit Service a2ae7a
Packit Service a2ae7a
#include <string.h>
Packit Service a2ae7a
Packit Service a2ae7a
#include <stdlib.h>
Packit Service a2ae7a
Packit Service a2ae7a
char *
Packit Service a2ae7a
strndup (char const *s, size_t n)
Packit Service a2ae7a
{
Packit Service a2ae7a
  size_t len = strnlen (s, n);
Packit Service a2ae7a
  char *new = malloc (len + 1);
Packit Service a2ae7a
Packit Service a2ae7a
  if (new == NULL)
Packit Service a2ae7a
    return NULL;
Packit Service a2ae7a
Packit Service a2ae7a
  new[len] = '\0';
Packit Service a2ae7a
  return memcpy (new, s, len);
Packit Service a2ae7a
}