1 /* Retrieve information about a FILE stream.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #include "freadahead.h"
25 /* Keep this code in sync with freadahead! */
26 #if defined _IO_ferror_unlocked /* GNU libc, BeOS */
27 return (const char *) fp->_IO_read_ptr;
28 #elif defined __sferror /* FreeBSD, NetBSD, OpenBSD, MacOS X, Cygwin */
29 return (const char *) fp->_p;
30 #elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, mingw */
31 # if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
32 # define fp_ ((struct { unsigned char *_ptr; \
33 unsigned char *_base; \
34 unsigned char *_end; \
39 return (const char *) fp_->_ptr;
41 return (const char *) fp->_ptr;
43 #elif defined __UCLIBC__ /* uClibc */
44 # ifdef __STDIO_BUFFERS
45 return (const char *) fp->__bufpos;
49 #elif defined __QNX__ /* QNX */
50 return (const char *) fp->_Next;
52 #error "Please port gnulib freadptr.c to your platform! Look at the definition of getc, getc_unlocked on your system, then report this to bug-gnulib."