.
[glibc/history.git] / gshadow / putsgent.c
blob938a71334c15f3d676c03215099fcadf9b344d0f
1 /* Copyright (C) 2009 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <stdbool.h>
20 #include <stdio.h>
21 #include <gshadow.h>
23 #define _S(x) x ? x : ""
26 /* Write an entry to the given stream.
27 This must know the format of the group file. */
28 int
29 putsgent (const struct sgrp *g, FILE *stream)
31 int errors = 0;
33 _IO_flockfile (stream);
35 if (fprintf (stream, "%s:%s:", g->sg_namp, _S (g->sg_passwd)) < 0)
36 ++errors;
38 bool first = true;
39 char **sp = g->sg_adm;
40 if (sp != NULL)
41 while (*sp != NULL)
43 if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
45 ++errors;
46 break;
48 first = false;
50 if (putc_unlocked (':', stream) == EOF)
51 ++errors;
53 first = true;
54 sp = g->sg_mem;
55 if (sp != NULL)
56 while (*sp != NULL)
58 if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
60 ++errors;
61 break;
63 first = false;
65 if (putc_unlocked ('\n', stream) == EOF)
66 ++errors;
68 _IO_funlockfile (stream);
70 return errors ? -1 : 0;