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c84142e8 UD |
1 | /* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <stddef.h> |
20 | #include <errno.h> | |
21 | #include <unistd.h> | |
22 | #include <string.h> | |
23 | #include <confstr.h> | |
24 | ||
25 | /* If BUF is not NULL, fill in at most LEN characters of BUF | |
26 | with the value corresponding to NAME. Return the number | |
27 | of characters required to hold NAME's entire value. */ | |
28 | size_t | |
c4029823 UD |
29 | confstr (name, buf, len) |
30 | int name; | |
31 | char *buf; | |
32 | size_t len; | |
28f540f4 | 33 | { |
c4029823 | 34 | const char *string; |
28f540f4 RM |
35 | size_t string_len; |
36 | ||
37 | switch (name) | |
38 | { | |
39 | case _CS_PATH: | |
40 | { | |
c4029823 | 41 | static const char cs_path[] = CS_PATH; |
28f540f4 | 42 | string = cs_path; |
c4029823 | 43 | string_len = sizeof (cs_path); |
28f540f4 RM |
44 | } |
45 | break; | |
46 | ||
47 | default: | |
c4029823 | 48 | __set_errno (EINVAL); |
28f540f4 RM |
49 | return 0; |
50 | } | |
51 | ||
52 | if (buf != NULL) | |
c4029823 | 53 | (void) strncpy (buf, string, len); |
28f540f4 RM |
54 | return string_len; |
55 | } |