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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* Implement the xstrndup function.
Copyright (C) 2005 Free Software Foundation, Inc.
Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
@deftypefn Replacement char* xstrndup (const char *@var{s}, size_t @var{n})
Returns a pointer to a copy of @var{s} with at most @var{n} characters
without fail, using @code{xmalloc} to obtain memory. The result is
always NUL terminated.
@end deftypefn
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
# ifdef HAVE_STRINGS_H
# include <strings.h>
# endif
#endif
#include "ansidecl.h"
#include "libiberty.h"
char *
xstrndup (const char *s, size_t n)
{
char *result;
size_t len = strlen (s);
if (n < len)
len = n;
result = xmalloc (len + 1);
result[len] = '\0';
return memcpy (result, s, len);
}
|
