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b168057a | 1 | /* Copyright (C) 2009-2015 Free Software Foundation, Inc. |
829fea46 UD |
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 Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the 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 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
829fea46 UD |
17 | |
18 | #include <stdbool.h> | |
19 | #include <stdio.h> | |
20 | #include <gshadow.h> | |
21 | ||
22 | #define _S(x) x ? x : "" | |
23 | ||
24 | ||
25 | /* Write an entry to the given stream. | |
26 | This must know the format of the group file. */ | |
27 | int | |
28 | putsgent (const struct sgrp *g, FILE *stream) | |
29 | { | |
30 | int errors = 0; | |
31 | ||
32 | _IO_flockfile (stream); | |
33 | ||
34 | if (fprintf (stream, "%s:%s:", g->sg_namp, _S (g->sg_passwd)) < 0) | |
35 | ++errors; | |
36 | ||
37 | bool first = true; | |
38 | char **sp = g->sg_adm; | |
39 | if (sp != NULL) | |
40 | while (*sp != NULL) | |
41 | { | |
42 | if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0) | |
43 | { | |
44 | ++errors; | |
45 | break; | |
46 | } | |
47 | first = false; | |
48 | } | |
49 | if (putc_unlocked (':', stream) == EOF) | |
50 | ++errors; | |
51 | ||
52 | first = true; | |
53 | sp = g->sg_mem; | |
54 | if (sp != NULL) | |
55 | while (*sp != NULL) | |
56 | { | |
57 | if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0) | |
58 | { | |
59 | ++errors; | |
60 | break; | |
61 | } | |
62 | first = false; | |
63 | } | |
64 | if (putc_unlocked ('\n', stream) == EOF) | |
65 | ++errors; | |
66 | ||
67 | _IO_funlockfile (stream); | |
68 | ||
69 | return errors ? -1 : 0; | |
70 | } |