/* Implementation details of FILE streams.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2008, 2010-2018 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
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/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Many stdio implementations have the same logic and therefore can share
the same implementation of stdio extension API, except that some fields
/* BSD stdio derived implementations. */
-#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+#if defined __NetBSD__ /* NetBSD */
+/* Get __NetBSD_Version__. */
+# include <sys/param.h>
+#endif
+
+#include <errno.h> /* For detecting Plan9. */
+
+#if defined __sferror || defined __DragonFly__ || defined __ANDROID__
+ /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, Minix 3, Android */
# if defined __DragonFly__ /* DragonFly */
- /* See <http://www.dragonflybsd.org/cvsweb/src/lib/libc/stdio/priv_stdio.h?rev=HEAD&content-type=text/x-cvsweb-markup>. */
+ /* See <https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/lib/libc/stdio/priv_stdio.h>. */
# define fp_ ((struct { struct __FILE_public pub; \
- struct { unsigned char *_base; int _size; } _bf; \
- void *cookie; \
- void *_close; \
- void *_read; \
- void *_seek; \
- void *_write; \
- struct { unsigned char *_base; int _size; } _ub; \
- int _ur; \
- unsigned char _ubuf[3]; \
- unsigned char _nbuf[1]; \
- struct { unsigned char *_base; int _size; } _lb; \
- int _blksize; \
- fpos_t _offset; \
- /* More fields, not relevant here. */ \
- } *) fp)
- /* See <http://www.dragonflybsd.org/cvsweb/src/include/stdio.h?rev=HEAD&content-type=text/x-cvsweb-markup>. */
+ struct { unsigned char *_base; int _size; } _bf; \
+ void *cookie; \
+ void *_close; \
+ void *_read; \
+ void *_seek; \
+ void *_write; \
+ struct { unsigned char *_base; int _size; } _ub; \
+ int _ur; \
+ unsigned char _ubuf[3]; \
+ unsigned char _nbuf[1]; \
+ struct { unsigned char *_base; int _size; } _lb; \
+ int _blksize; \
+ fpos_t _offset; \
+ /* More fields, not relevant here. */ \
+ } *) fp)
+ /* See <https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/include/stdio.h>. */
# define _p pub._p
# define _flags pub._flags
# define _r pub._r
# define fp_ fp
# endif
-# if defined __NetBSD__ || defined __OpenBSD__ /* NetBSD, OpenBSD */
+# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ || defined __minix || defined __ANDROID__ /* NetBSD >= 1.5ZA, OpenBSD, Minix 3, Android */
/* See <http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
- and <http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup> */
+ and <https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup> */
struct __sfileext
{
struct __sbuf _ub; /* ungetc buffer */
/* More fields, not relevant here. */
};
# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
-# else /* FreeBSD, DragonFly, MacOS X, Cygwin */
+# else /* FreeBSD, NetBSD <= 1.5Z, DragonFly, Mac OS X, Cygwin, Android */
# define fp_ub fp_->_ub
# endif
/* SystemV derived implementations. */
+#ifdef __TANDEM /* NonStop Kernel */
+# ifndef _IOERR
+/* These values were determined by the program 'stdioext-flags' at
+ <https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
+# define _IOERR 0x40
+# define _IOREAD 0x80
+# define _IOWRT 0x4
+# define _IORW 0x100
+# endif
+#endif
+
#if defined _IOERR
# if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
# define fp_ ((struct { unsigned char *_ptr; \
- unsigned char *_base; \
- unsigned char *_end; \
- long _cnt; \
- int _file; \
- unsigned int _flag; \
- } *) fp)
+ unsigned char *_base; \
+ unsigned char *_end; \
+ long _cnt; \
+ int _file; \
+ unsigned int _flag; \
+ } *) fp)
+# elif defined __VMS /* OpenVMS */
+# define fp_ ((struct _iobuf *) fp)
# else
# define fp_ fp
# endif
# define _flag __flag
# endif
+#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ /* newer Windows with MSVC */
+
+/* <stdio.h> does not define the innards of FILE any more. */
+# define WINDOWS_OPAQUE_FILE
+
+struct _gl_real_FILE
+{
+ /* Note: Compared to older Windows and to mingw, it has the fields
+ _base and _cnt swapped. */
+ unsigned char *_ptr;
+ unsigned char *_base;
+ int _cnt;
+ int _flag;
+ int _file;
+ int _charbuf;
+ int _bufsiz;
+};
+# define fp_ ((struct _gl_real_FILE *) fp)
+
+/* These values were determined by a program similar to the one at
+ <https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
+# define _IOREAD 0x1
+# define _IOWRT 0x2
+# define _IORW 0x4
+# define _IOEOF 0x8
+# define _IOERR 0x10
+
#endif