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b168057a | 1 | /* Copyright (C) 2009-2015 Free Software Foundation, Inc. |
829fea46 UD |
2 | This file is part of the GNU C Library. |
3 | ||
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. | |
8 | ||
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. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
829fea46 UD |
17 | |
18 | #include <ctype.h> | |
19 | #include <errno.h> | |
20 | #include <gshadow.h> | |
21 | #include <stdio.h> | |
22 | ||
23 | /* Define a line parsing function using the common code | |
24 | used in the nss_files module. */ | |
25 | ||
26 | #define STRUCTURE sgrp | |
27 | #define ENTNAME sgent | |
28 | #define EXTERN_PARSER 1 | |
29 | struct sgent_data {}; | |
30 | ||
31 | #include <nss/nss_files/files-parse.c> | |
32 | ||
33 | ||
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) | |
38 | { | |
39 | char *p; | |
40 | ||
41 | _IO_flockfile (stream); | |
42 | do | |
43 | { | |
44 | buffer[buflen - 1] = '\xff'; | |
45 | p = fgets_unlocked (buffer, buflen, stream); | |
46 | if (p == NULL && feof_unlocked (stream)) | |
47 | { | |
48 | _IO_funlockfile (stream); | |
49 | *result = NULL; | |
50 | __set_errno (ENOENT); | |
51 | return errno; | |
52 | } | |
53 | if (p == NULL || buffer[buflen - 1] != '\xff') | |
54 | { | |
55 | _IO_funlockfile (stream); | |
56 | *result = NULL; | |
57 | __set_errno (ERANGE); | |
58 | return errno; | |
59 | } | |
60 | ||
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)); | |
69 | ||
70 | _IO_funlockfile (stream); | |
71 | ||
72 | *result = resbuf; | |
73 | return 0; | |
74 | } | |
75 | weak_alias (__fgetsgent_r, fgetsgent_r) |