diff options
Diffstat (limited to 'lib/fpending.c')
| -rw-r--r-- | lib/fpending.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/fpending.c b/lib/fpending.c index 8d995e9de85..3c01285bb83 100644 --- a/lib/fpending.c +++ b/lib/fpending.c @@ -1,6 +1,6 @@ /* fpending.c -- return the number of pending output bytes on a stream - Copyright (C) 2000, 2004, 2006-2007, 2009-2019 Free Software - Foundation, Inc. + Copyright (C) 2000, 2004, 2006-2007, 2009-2019 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 @@ -24,6 +24,9 @@ #include "stdio-impl.h" +/* This file is not used on systems that already have the __fpending function, + namely glibc >= 2.2, Solaris >= 7, Android API >= 23. */ + /* Return the number of pending (aka buffered, unflushed) bytes on the stream, FP, that is open for writing. */ size_t @@ -32,7 +35,8 @@ __fpending (FILE *fp) /* Most systems provide FILE as a struct and the necessary bitmask in <stdio.h>, because they need it for implementing getc() and putc() as fast macros. */ -#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ +#if defined _IO_EOF_SEEN || defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 + /* GNU libc, BeOS, Haiku, Linux libc5 */ return fp->_IO_write_ptr - fp->_IO_write_base; #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */ |