diff options
Diffstat (limited to 'lib/freadahead.c')
| -rw-r--r-- | lib/freadahead.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/freadahead.c b/lib/freadahead.c index 27f5c95..f2dae46 100644 --- a/lib/freadahead.c +++ b/lib/freadahead.c @@ -1,5 +1,5 @@ /* Retrieve information about a FILE stream. - Copyright (C) 2007-2011 Free Software Foundation, Inc. + Copyright (C) 2007-2013 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 @@ -31,7 +31,7 @@ freadahead (FILE *fp) return (fp->_IO_read_end - fp->_IO_read_ptr) + (fp->_flags & _IO_IN_BACKUP ? fp->_IO_save_end - fp->_IO_save_base : 0); -#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */ +#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin */ if ((fp_->_flags & __SWR) != 0 || fp_->_r < 0) return 0; # if defined __DragonFly__ @@ -48,6 +48,10 @@ freadahead (FILE *fp) /* equivalent to (fp->_ungetc_count == 0 ? fp->_rcount : fp->_ungetc_count - fp->_rcount) */ return (fp->_rcount > 0 ? fp->_rcount : fp->_ungetc_count - fp->_rcount); +#elif defined __minix /* Minix */ + if ((fp_->_flags & _IOWRITING) != 0) + return 0; + return fp_->_count; #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw, NonStop Kernel */ if ((fp_->_flag & _IOWRT) != 0) return 0; @@ -76,6 +80,10 @@ freadahead (FILE *fp) return (fp->__pushed_back ? fp->__get_limit - fp->__pushback_bufp + 1 : fp->__get_limit - fp->__bufp); +#elif defined EPLAN9 /* Plan9 */ + if (fp->state == 4 /* WR */ || fp->rp >= fp->wp) + return 0; + return fp->wp - fp->rp; #elif defined SLOW_BUT_NO_HACKS /* users can define this */ abort (); return 0; |