diff options
Diffstat (limited to 'lib/freading.c')
-rw-r--r-- | lib/freading.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/lib/freading.c b/lib/freading.c deleted file mode 100644 index 1d13121ce..000000000 --- a/lib/freading.c +++ /dev/null @@ -1,68 +0,0 @@ -/* Retrieve information about a FILE stream. - Copyright (C) 2007-2011 Free Software Foundation, Inc. - - This program 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 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 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 <http://www.gnu.org/licenses/>. */ - -#include <config.h> - -/* Specification. */ -#include "freading.h" - -#include "stdio-impl.h" - -/* Don't use glibc's __freading function in glibc < 2.7, see - <http://sourceware.org/bugzilla/show_bug.cgi?id=4359> */ -#if !(HAVE___FREADING && (!defined __GLIBC__ || defined __UCLIBC__ || __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))) - -bool -freading (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 */ - return ((fp->_flags & _IO_NO_WRITES) != 0 - || ((fp->_flags & (_IO_NO_READS | _IO_CURRENTLY_PUTTING)) == 0 - && fp->_IO_read_base != NULL)); -# elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ - return (fp_->_flags & __SRD) != 0; -# elif defined __EMX__ /* emx+gcc */ - return (fp->_flags & _IOREAD) != 0; -# elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */ -# if defined __sun /* Solaris */ - return (fp->_flag & _IOREAD) != 0 && (fp->_flag & _IOWRT) == 0; -# else - return (fp->_flag & _IOREAD) != 0; -# endif -# elif defined __UCLIBC__ /* uClibc */ - return (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) != 0; -# elif defined __QNX__ /* QNX */ - return ((fp->_Mode & 0x2 /* _MOPENW */) == 0 - || (fp->_Mode & 0x1000 /* _MREAD */) != 0); -# elif defined __MINT__ /* Atari FreeMiNT */ - if (!fp->__mode.__write) - return 1; - if (!fp->__mode.__read) - return 0; -# ifdef _IO_CURRENTLY_GETTING /* Flag added on 2009-02-28 */ - return (fp->__flags & _IO_CURRENTLY_GETTING) != 0; -# else - return (fp->__buffer < fp->__get_limit /*|| fp->__bufp == fp->__put_limit ??*/); -# endif -# else -# error "Please port gnulib freading.c to your platform!" -# endif -} - -#endif |