Mercurial > gnulib
view lib/fwriting.h @ 19651:f58f701d78de
stdioext: Fix compilation errors with newer Android headers.
* lib/stdio-impl.h (fp_, fp_ub): Define differently for Android.
(__SLBF, __SNBF, __SRD, __SWR, __SRW, __SEOF, __SERR, __SOFF): Define
fallbacks for Android.
* lib/fpending.c: Update comments.
* lib/fpurge.c: Likewise.
* lib/freadable.h: Likewise.
* lib/freadable.c: Likewise.
* lib/freadahead.c: Likewise.
* lib/freading.h: Likewise.
* lib/freadptr.c: Likewise.
* lib/fseterr.c: Likewise.
* lib/fwritable.h: Likewise.
* lib/fwritable.c: Likewise.
* lib/fwriting.h: Likewise.
* lib/fwriting.c: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 12 May 2018 20:58:58 +0200 |
parents | 10eb9086bea0 |
children | b06060465f09 |
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/* Retrieve information about a FILE stream. Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #include <stdbool.h> #include <stdio.h> /* Return true if the stream STREAM is opened write-only or append-only, or if the last operation on the stream was a write operation. Return false if the stream is opened read-only, or if it supports reading and there is no current write operation (such as fputc). freading and fwriting will never both be true. If STREAM supports both reads and writes, then: - both freading and fwriting might be false when the stream is first opened, after read encounters EOF, or after fflush, - freading might be false or true and fwriting might be false after repositioning (such as fseek, fsetpos, or rewind), depending on the underlying implementation. STREAM must not be wide-character oriented. */ #if HAVE___FWRITING /* glibc >= 2.2, Solaris >= 7, Android API >= 29, musl libc */ # include <stdio_ext.h> # define fwriting(stream) (__fwriting (stream) != 0) #else # ifdef __cplusplus extern "C" { # endif extern bool fwriting (FILE *stream) _GL_ATTRIBUTE_PURE; # ifdef __cplusplus } # endif #endif