1 /* Standard I/O for Emacs.
2
3 Copyright 2013-2023 Free Software Foundation, Inc.
4
5 This file is part of GNU Emacs.
6
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or (at
10 your option) any later version.
11
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
19
20 #ifndef EMACS_SYSSTDIO_H
21 #define EMACS_SYSSTDIO_H
22
23 #include <stdarg.h>
24 #include <fcntl.h>
25 #include <limits.h>
26 #include <stdio.h>
27
28 #include <attribute.h>
29 #include <unlocked-io.h>
30
31 extern void errputc (int);
32 extern void errwrite (void const *, ptrdiff_t);
33 extern void close_output_streams (void);
34
35 #if O_BINARY
36 # define FOPEN_BINARY "b"
37 # define FOPEN_TEXT "t"
38 #else
39 # define FOPEN_BINARY ""
40 # define FOPEN_TEXT ""
41 #endif
42
43 #ifndef PIPE_BUF
44 #define PIPE_BUF MAX_ALLOCA
45 #endif
46
47 #endif /* EMACS_SYSSTDIO_H */