Fix one more issue with the glob patch.
[glibc.git] / gshadow / fgetsgent_r.c
blob25c05bf7eaac7d19339cdbf19d6dc495146dacc2
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 <ctype.h>
20 #include <errno.h>
21 #include <gshadow.h>
22 #include <stdio.h>
24 /* Define a line parsing function using the common code
25 used in the nss_files module. */
27 #define STRUCTURE sgrp
28 #define ENTNAME sgent
29 #define EXTERN_PARSER 1
30 struct sgent_data {};
32 #include <nss/nss_files/files-parse.c>
35 /* Read one shadow entry from the given stream. */
36 int
37 __fgetsgent_r (FILE *stream, struct sgrp *resbuf, char *buffer, size_t buflen,
38 struct sgrp **result)
40 char *p;
42 _IO_flockfile (stream);
45 buffer[buflen - 1] = '\xff';
46 p = fgets_unlocked (buffer, buflen, stream);
47 if (p == NULL && feof_unlocked (stream))
49 _IO_funlockfile (stream);
50 *result = NULL;
51 __set_errno (ENOENT);
52 return errno;
54 if (p == NULL || buffer[buflen - 1] != '\xff')
56 _IO_funlockfile (stream);
57 *result = NULL;
58 __set_errno (ERANGE);
59 return errno;
62 /* Skip leading blanks. */
63 while (isspace (*p))
64 ++p;
65 } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
66 /* Parse the line. If it is invalid, loop to
67 get the next line of the file to parse. */
68 ! parse_line (buffer, (void *) resbuf, (void *) buffer, buflen,
69 &errno));
71 _IO_funlockfile (stream);
73 *result = resbuf;
74 return 0;
76 weak_alias (__fgetsgent_r, fgetsgent_r)