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/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <ctype.h>
#include <errno.h>
#include <gshadow.h>
#include <stdio.h>
/* Define a line parsing function using the common code
used in the nss_files module. */
#define STRUCTURE sgrp
#define ENTNAME sgent
#define EXTERN_PARSER 1
struct sgent_data {};
#include <nss/nss_files/files-parse.c>
/* Read one shadow entry from the given stream. */
int
__fgetsgent_r (FILE *stream, struct sgrp *resbuf, char *buffer, size_t buflen,
struct sgrp **result)
{
char *p;
_IO_flockfile (stream);
do
{
buffer[buflen - 1] = '\xff';
p = fgets_unlocked (buffer, buflen, stream);
if (p == NULL && feof_unlocked (stream))
{
_IO_funlockfile (stream);
*result = NULL;
__set_errno (ENOENT);
return errno;
}
if (p == NULL || buffer[buflen - 1] != '\xff')
{
_IO_funlockfile (stream);
*result = NULL;
__set_errno (ERANGE);
return errno;
}
/* Skip leading blanks. */
while (isspace (*p))
++p;
} while (*p == '\0' || *p == '#' /* Ignore empty and comment lines. */
/* Parse the line. If it is invalid, loop to
get the next line of the file to parse. */
|| ! parse_line (buffer, (void *) resbuf, (void *) buffer, buflen,
&errno));
_IO_funlockfile (stream);
*result = resbuf;
return 0;
}
weak_alias (__fgetsgent_r, fgetsgent_r)
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