Fix botched NEWS
[glibc.git] / gshadow / fgetsgent_r.c
blobbf4559b041796c41f2b8eb78f1637e7a20452923
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, see
16 <http://www.gnu.org/licenses/>. */
18 #include <ctype.h>
19 #include <errno.h>
20 #include <gshadow.h>
21 #include <stdio.h>
23 /* Define a line parsing function using the common code
24 used in the nss_files module. */
26 #define STRUCTURE sgrp
27 #define ENTNAME sgent
28 #define EXTERN_PARSER 1
29 struct sgent_data {};
31 #include <nss/nss_files/files-parse.c>
34 /* Read one shadow entry from the given stream. */
35 int
36 __fgetsgent_r (FILE *stream, struct sgrp *resbuf, char *buffer, size_t buflen,
37 struct sgrp **result)
39 char *p;
41 _IO_flockfile (stream);
44 buffer[buflen - 1] = '\xff';
45 p = fgets_unlocked (buffer, buflen, stream);
46 if (p == NULL && feof_unlocked (stream))
48 _IO_funlockfile (stream);
49 *result = NULL;
50 __set_errno (ENOENT);
51 return errno;
53 if (p == NULL || buffer[buflen - 1] != '\xff')
55 _IO_funlockfile (stream);
56 *result = NULL;
57 __set_errno (ERANGE);
58 return errno;
61 /* Skip leading blanks. */
62 while (isspace (*p))
63 ++p;
64 } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
65 /* Parse the line. If it is invalid, loop to
66 get the next line of the file to parse. */
67 ! parse_line (buffer, (void *) resbuf, (void *) buffer, buflen,
68 &errno));
70 _IO_funlockfile (stream);
72 *result = resbuf;
73 return 0;
75 weak_alias (__fgetsgent_r, fgetsgent_r)