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688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/* Copyright (C) 2009-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <gshadow.h>
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#include <nss.h>
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#define _S(x) x ? x : ""
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/* Write an entry to the given stream.
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This must know the format of the group file. */
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int
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putsgent (const struct sgrp *g, FILE *stream)
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{
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int errors = 0;
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if (g->sg_namp == NULL || !__nss_valid_field (g->sg_namp)
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|| !__nss_valid_field (g->sg_passwd)
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|| !__nss_valid_list_field (g->sg_adm)
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|| !__nss_valid_list_field (g->sg_mem))
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{
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__set_errno (EINVAL);
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return -1;
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}
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_IO_flockfile (stream);
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if (fprintf (stream, "%s:%s:", g->sg_namp, _S (g->sg_passwd)) < 0)
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++errors;
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bool first = true;
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char **sp = g->sg_adm;
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if (sp != NULL)
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while (*sp != NULL)
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{
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if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
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{
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++errors;
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break;
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}
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first = false;
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}
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if (putc_unlocked (':', stream) == EOF)
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++errors;
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first = true;
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sp = g->sg_mem;
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if (sp != NULL)
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while (*sp != NULL)
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{
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if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
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{
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++errors;
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break;
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}
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first = false;
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}
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if (putc_unlocked ('\n', stream) == EOF)
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++errors;
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_IO_funlockfile (stream);
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return errors ? -1 : 0;
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}
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