Fix unlikely overflows with wd length
[emacs.git] / src / sysstdio.h
blob87d62afc3d78970218c12645a853a65dc3b25bd0
1 /* Standard I/O for Emacs.
3 Copyright 2013-2017 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
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.
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.
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/>. */
20 #ifndef EMACS_SYSSTDIO_H
21 #define EMACS_SYSSTDIO_H
23 #include <fcntl.h>
24 #include <stdio.h>
26 extern FILE *emacs_fopen (char const *, char const *);
28 #if O_BINARY
29 # define FOPEN_BINARY "b"
30 # define FOPEN_TEXT "t"
31 #else
32 # define FOPEN_BINARY ""
33 # define FOPEN_TEXT ""
34 #endif
36 /* These are compatible with unlocked-io.h, if both files are included. */
37 #if !HAVE_DECL_CLEARERR_UNLOCKED
38 # define clearerr_unlocked(x) clearerr (x)
39 #endif
40 #if !HAVE_DECL_FEOF_UNLOCKED
41 # define feof_unlocked(x) feof (x)
42 #endif
43 #if !HAVE_DECL_FERROR_UNLOCKED
44 # define ferror_unlocked(x) ferror (x)
45 #endif
46 #if !HAVE_DECL_FFLUSH_UNLOCKED
47 # define fflush_unlocked(x) fflush (x)
48 #endif
49 #if !HAVE_DECL_FGETS_UNLOCKED
50 # define fgets_unlocked(x,y,z) fgets (x,y,z)
51 #endif
52 #if !HAVE_DECL_FPUTC_UNLOCKED
53 # define fputc_unlocked(x,y) fputc (x,y)
54 #endif
55 #if !HAVE_DECL_FPUTS_UNLOCKED
56 # define fputs_unlocked(x,y) fputs (x,y)
57 #endif
58 #if !HAVE_DECL_FREAD_UNLOCKED
59 # define fread_unlocked(w,x,y,z) fread (w,x,y,z)
60 #endif
61 #if !HAVE_DECL_FWRITE_UNLOCKED
62 # define fwrite_unlocked(w,x,y,z) fwrite (w,x,y,z)
63 #endif
64 #if !HAVE_DECL_GETC_UNLOCKED
65 # define getc_unlocked(x) getc (x)
66 #endif
67 #if !HAVE_DECL_GETCHAR_UNLOCKED
68 # define getchar_unlocked() getchar ()
69 #endif
70 #if !HAVE_DECL_PUTC_UNLOCKED
71 # define putc_unlocked(x,y) putc (x,y)
72 #endif
73 #if !HAVE_DECL_PUTCHAR_UNLOCKED
74 # define putchar_unlocked(x) putchar (x)
75 #endif
77 #endif /* EMACS_SYSSTDIO_H */