summaryrefslogtreecommitdiffstats
path: root/src/grep/lib/binary-io.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
commit29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc (patch)
tree63ef546b10a81d461e5cf5ed9e98a68cd7dee1aa /src/grep/lib/binary-io.h
parentInitial commit. (diff)
downloadkbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.tar.xz
kbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.zip
Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/grep/lib/binary-io.h')
-rw-r--r--src/grep/lib/binary-io.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/grep/lib/binary-io.h b/src/grep/lib/binary-io.h
new file mode 100644
index 0000000..9b785c1
--- /dev/null
+++ b/src/grep/lib/binary-io.h
@@ -0,0 +1,80 @@
+/* Binary mode I/O.
+ Copyright (C) 2001, 2003, 2005, 2008-2021 Free Software Foundation, Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#ifndef _BINARY_H
+#define _BINARY_H
+
+/* For systems that distinguish between text and binary I/O.
+ O_BINARY is guaranteed by the gnulib <fcntl.h>. */
+#include <fcntl.h>
+
+/* The MSVC7 <stdio.h> doesn't like to be included after '#define fileno ...',
+ so we include it here first. */
+#include <stdio.h>
+
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef BINARY_IO_INLINE
+# define BINARY_IO_INLINE _GL_INLINE
+#endif
+
+#if O_BINARY
+# if defined __EMX__ || defined __DJGPP__ || defined __CYGWIN__
+# include <io.h> /* declares setmode() */
+# define __gl_setmode setmode
+# else
+# ifdef KMK_GREP
+# include <io.h> /* declares _setmode() */
+# endif
+# define __gl_setmode _setmode
+# undef fileno
+# define fileno _fileno
+# endif
+#else
+ /* On reasonable systems, binary I/O is the only choice. */
+ /* Use a function rather than a macro, to avoid gcc warnings
+ "warning: statement with no effect". */
+BINARY_IO_INLINE int
+__gl_setmode (int fd _GL_UNUSED, int mode _GL_UNUSED)
+{
+ return O_BINARY;
+}
+#endif
+
+/* Set FD's mode to MODE, which should be either O_TEXT or O_BINARY.
+ Return the old mode if successful, -1 (setting errno) on failure.
+ Ordinarily this function would be called 'setmode', since that is
+ its old name on MS-Windows, but it is called 'set_binary_mode' here
+ to avoid colliding with a BSD function of another name. */
+
+#if defined __DJGPP__ || defined __EMX__
+extern int set_binary_mode (int fd, int mode);
+#else
+BINARY_IO_INLINE int
+set_binary_mode (int fd, int mode)
+{
+ return __gl_setmode (fd, mode);
+}
+#endif
+
+/* This macro is obsolescent. */
+#define SET_BINARY(fd) ((void) set_binary_mode (fd, O_BINARY))
+
+_GL_INLINE_HEADER_END
+
+#endif /* _BINARY_H */