50 lines
1.6 KiB
C
Executable File
50 lines
1.6 KiB
C
Executable File
/* Retrieve information about a FILE stream.
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Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FREADABLE, HAVE_STDIO_EXT_H. */
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#if !_GL_CONFIG_H_INCLUDED
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#error "Please include config.h first."
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#endif
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#include <stdio.h>
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/* Return true if the stream STREAM supports reading, false if it supports
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only writing, i.e. if it was opened write-only or append-only.
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STREAM must not be wide-character oriented.
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The result doesn't change until the stream is closed or re-opened. */
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#if HAVE___FREADABLE
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/* glibc >= 2.2, Solaris >= 7, UnixWare >= 7.1.4.MP4, Cygwin >= 1.7.34, Android API >= 23, musl libc */
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# if HAVE_STDIO_EXT_H
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# include <stdio_ext.h>
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# endif
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# define freadable(stream) (__freadable (stream) != 0)
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#else
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# ifdef __cplusplus
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extern "C" {
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# endif
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extern bool freadable (FILE *stream) _GL_ATTRIBUTE_PURE;
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# ifdef __cplusplus
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}
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# endif
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#endif
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