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a0a0dc83 | 1 | /* Compatibility symbols for the unimplemented XSI STREAMS extension. |
2b778ceb | 2 | Copyright (C) 1998-2021 Free Software Foundation, Inc. |
a0a0dc83 FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
a0a0dc83 FW |
18 | |
19 | #include <shlib-compat.h> | |
20 | ||
21 | #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_30) | |
22 | ||
23 | # include <errno.h> | |
24 | # include <fcntl.h> | |
25 | ||
26 | struct strbuf; | |
27 | ||
28 | int | |
29 | attribute_compat_text_section | |
30 | fattach (int fildes, const char *path) | |
31 | { | |
32 | __set_errno (ENOSYS); | |
33 | return -1; | |
34 | } | |
35 | compat_symbol (libc, fattach, fattach, GLIBC_2_1); | |
36 | ||
37 | int | |
38 | attribute_compat_text_section | |
39 | fdetach (const char *path) | |
40 | { | |
41 | __set_errno (ENOSYS); | |
42 | return -1; | |
43 | } | |
44 | compat_symbol (libc, fdetach, fdetach, GLIBC_2_1); | |
45 | ||
46 | ||
47 | int | |
48 | attribute_compat_text_section | |
49 | getmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *flagsp) | |
50 | { | |
51 | __set_errno (ENOSYS); | |
52 | return -1; | |
53 | } | |
54 | compat_symbol (libc, getmsg, getmsg, GLIBC_2_1); | |
55 | ||
56 | int | |
57 | attribute_compat_text_section | |
58 | getpmsg (int fildes, struct strbuf *ctlptr, struct strbuf *dataptr, int *bandp, | |
59 | int *flagsp) | |
60 | { | |
61 | __set_errno (ENOSYS); | |
62 | return -1; | |
63 | } | |
64 | compat_symbol (libc, getpmsg, getpmsg, GLIBC_2_1); | |
65 | ||
66 | int | |
67 | attribute_compat_text_section | |
68 | isastream (int fildes) | |
69 | { | |
70 | /* In general we do not have a STREAMS implementation and therefore | |
71 | return 0. But for invalid file descriptors we have to return an | |
72 | error. */ | |
73 | if (__fcntl (fildes, F_GETFD) < 0) | |
74 | return -1; | |
75 | ||
76 | /* No STREAM. */ | |
77 | return 0; | |
78 | } | |
79 | compat_symbol (libc, isastream, isastream, GLIBC_2_1); | |
80 | ||
81 | int | |
82 | attribute_compat_text_section | |
83 | putmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr, | |
84 | int flags) | |
85 | { | |
86 | __set_errno (ENOSYS); | |
87 | return -1; | |
88 | } | |
89 | compat_symbol (libc, putmsg, putmsg, GLIBC_2_1); | |
90 | ||
91 | int | |
92 | attribute_compat_text_section | |
93 | putpmsg (int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr, | |
94 | int band, int flags) | |
95 | { | |
96 | __set_errno (ENOSYS); | |
97 | return -1; | |
98 | } | |
99 | compat_symbol (libc, putpmsg, putpmsg, GLIBC_2_1); | |
100 | ||
101 | #endif /* SHLIB_COMPAT */ |