view lib/strndup.c @ 17429:88b6febaed97

tests: port large-fd POSIX spawn tests to OS X Problem reported by Daiki Ueno in <http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00031.html>. * tests/test-posix_spawn_file_actions_addclose.c: * tests/test-posix_spawn_file_actions_adddup2.c: * tests/test-posix_spawn_file_actions_addopen.c: Include <limits.h>, for OPEN_MAX, if available. (big_fd): New static function. (main): Use it.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 11 Jun 2013 00:10:21 -0700
parents e542fd46ad6f
children
line wrap: on
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/* A replacement function, for systems that lack strndup.

   Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2013 Free Software
   Foundation, Inc.

   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include <string.h>

#include <stdlib.h>

char *
strndup (char const *s, size_t n)
{
  size_t len = strnlen (s, n);
  char *new = malloc (len + 1);

  if (new == NULL)
    return NULL;

  new[len] = '\0';
  return memcpy (new, s, len);
}