aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/tools/bison/gnulib/src/strndup.c
blob: 8391652db4e952744061f5d7ed8075ed87262688 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* 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 3, 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); 
}