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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/lib/freading.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-baserock/bootstrap.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/lib/freading.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/freading.c | 70 |
2 files changed, 70 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/freading.c b/gnulib/lib/freading.c new file mode 100644 index 0000000..5b95c22 --- /dev/null +++ b/gnulib/lib/freading.c @@ -0,0 +1,70 @@ +/* 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 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 <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 __minix /* Minix */ + return (fp->_flags & _IOREADING) != 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 |