diff options
Diffstat (limited to 'libpwdgrp/grent.c')
-rw-r--r-- | libpwdgrp/grent.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libpwdgrp/grent.c b/libpwdgrp/grent.c new file mode 100644 index 000000000..5b1cb6823 --- /dev/null +++ b/libpwdgrp/grent.c | |||
@@ -0,0 +1,54 @@ | |||
1 | /* | ||
2 | * grent.c - This file is part of the libc-8086/grp package for ELKS, | ||
3 | * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>. | ||
4 | * | ||
5 | * This library is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU Library General Public | ||
7 | * License as published by the Free Software Foundation; either | ||
8 | * version 2 of the License, or (at your option) any later version. | ||
9 | * | ||
10 | * This library is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | * Library General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU Library General Public | ||
16 | * License along with this library; if not, write to the Free | ||
17 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | /* | ||
22 | * setgrent(), endgrent(), and getgrent() are mutually-dependent functions, | ||
23 | * so they are all included in the same object file, and thus all linked | ||
24 | * in together. | ||
25 | */ | ||
26 | |||
27 | #include "busybox.h" | ||
28 | |||
29 | #include <unistd.h> | ||
30 | #include <fcntl.h> | ||
31 | #include "grp.h" | ||
32 | |||
33 | static int grp_fd = -1; | ||
34 | |||
35 | void setgrent(void) | ||
36 | { | ||
37 | if (grp_fd != -1) | ||
38 | close(grp_fd); | ||
39 | grp_fd = open("/etc/group", O_RDONLY); | ||
40 | } | ||
41 | |||
42 | void endgrent(void) | ||
43 | { | ||
44 | if (grp_fd != -1) | ||
45 | close(grp_fd); | ||
46 | grp_fd = -1; | ||
47 | } | ||
48 | |||
49 | struct group *getgrent(void) | ||
50 | { | ||
51 | if (grp_fd == -1) | ||
52 | return NULL; | ||
53 | return __getgrent(grp_fd); | ||
54 | } | ||