76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* 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
|
|
<http://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)
|