diff options
Diffstat (limited to 'libpwdgrp/pwent.c')
-rw-r--r-- | libpwdgrp/pwent.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libpwdgrp/pwent.c b/libpwdgrp/pwent.c new file mode 100644 index 000000000..84bd6176b --- /dev/null +++ b/libpwdgrp/pwent.c | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * pwent.c - This file is part of the libc-8086/pwd 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 | #include "busybox.h" | ||
22 | |||
23 | #include <unistd.h> | ||
24 | #include <stdlib.h> | ||
25 | #include <errno.h> | ||
26 | #include "pwd.h" | ||
27 | #include <fcntl.h> | ||
28 | |||
29 | /* | ||
30 | * setpwent(), endpwent(), and getpwent() are included in the same object | ||
31 | * file, since one cannot be used without the other two, so it makes sense to | ||
32 | * link them all in together. | ||
33 | */ | ||
34 | |||
35 | /* file descriptor for the password file currently open */ | ||
36 | static int pw_fd = -1; | ||
37 | |||
38 | void setpwent(void) | ||
39 | { | ||
40 | if (pw_fd != -1) | ||
41 | close(pw_fd); | ||
42 | |||
43 | pw_fd = open("/etc/passwd", O_RDONLY); | ||
44 | } | ||
45 | |||
46 | void endpwent(void) | ||
47 | { | ||
48 | if (pw_fd != -1) | ||
49 | close(pw_fd); | ||
50 | pw_fd = -1; | ||
51 | } | ||
52 | |||
53 | struct passwd *getpwent(void) | ||
54 | { | ||
55 | if (pw_fd != -1) | ||
56 | return (__getpwent(pw_fd)); | ||
57 | return NULL; | ||
58 | } | ||