X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffwritable.c;h=a3f87958077751d64d693006fbb53fb8e1656181;hb=8d8bbae775e3c77070161dafc81c0c2dbba0fef4;hp=f06d40b7091d42caf05e7b7e31f49ee988df437f;hpb=e0cbd8d3ad576fda177792c4c3ad75a3823f61ee;p=gnulib.git diff --git a/lib/fwritable.c b/lib/fwritable.c index f06d40b70..a3f879580 100644 --- a/lib/fwritable.c +++ b/lib/fwritable.c @@ -1,39 +1,44 @@ /* Retrieve information about a FILE stream. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2010 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + 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 2, or (at your option) - any later version. + 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, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ #include /* Specification. */ #include "fwritable.h" +#include "stdio-impl.h" + bool fwritable (FILE *fp) { /* Most systems provide FILE as a struct and the necessary bitmask in , because they need it for implementing getc() and putc() as fast macros. */ -#if defined _IO_ferror_unlocked /* GNU libc, BeOS */ +#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */ return (fp->_flags & _IO_NO_WRITES) == 0; -#elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */ - return (fp->_flags & (__SRW | __SWR)) != 0; -#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */ +#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ + return (fp_->_flags & (__SRW | __SWR)) != 0; +#elif defined __EMX__ /* emx+gcc */ + return (fp->_flags & (_IORW | _IOWRT)) != 0; +#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */ return (fp->_flag & (_IORW | _IOWRT)) != 0; #elif defined __QNX__ /* QNX */ - return (fp->_mode & _MOPENW) != 0; + return (fp->_Mode & 0x2 /* _MOPENW */) != 0; +#elif defined __MINT__ /* Atari FreeMiNT */ + return fp->__mode.__write; #else #error "Please port gnulib fwritable.c to your platform! Look at the definition of fopen, fdopen on your system, then report this to bug-gnulib." #endif