/* Implementation details of FILE streams.
- Copyright (C) 2007-2008, 2010-2016 Free Software Foundation, Inc.
+ Copyright (C) 2007-2008, 2010-2021 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
have different naming conventions, or their access requires some casts. */
+/* Glibc 2.28 made _IO_UNBUFFERED and _IO_IN_BACKUP private. For now, work
+ around this problem by defining them ourselves. FIXME: Do not rely on glibc
+ internals. */
+#if defined _IO_EOF_SEEN
+# if !defined _IO_UNBUFFERED
+# define _IO_UNBUFFERED 0x2
+# endif
+# if !defined _IO_IN_BACKUP
+# define _IO_IN_BACKUP 0x100
+# endif
+#endif
/* BSD stdio derived implementations. */
#include <errno.h> /* For detecting Plan9. */
#if defined __sferror || defined __DragonFly__ || defined __ANDROID__
- /* FreeBSD, NetBSD, OpenBSD, DragonFly, Mac OS X, Cygwin, 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; \
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>. */
+ /* 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 _w pub._w
+# elif defined __ANDROID__ /* Android */
+# ifdef __LP64__
+# define _gl_flags_file_t int
+# else
+# define _gl_flags_file_t short
+# endif
+ /* Up to this commit from 2015-10-12
+ <https://android.googlesource.com/platform/bionic.git/+/f0141dfab10a4b332769d52fa76631a64741297a>
+ the innards of FILE were public, and fp_ub could be defined like for OpenBSD,
+ see <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/fileext.h>
+ and <https://android.googlesource.com/platform/bionic.git/+/e78392637d5086384a5631ddfdfa8d7ec8326ee3/libc/stdio/local.h>.
+ After this commit, the innards of FILE are hidden. */
+# define fp_ ((struct { unsigned char *_p; \
+ int _r; \
+ int _w; \
+ _gl_flags_file_t _flags; \
+ _gl_flags_file_t _file; \
+ struct { unsigned char *_base; size_t _size; } _bf; \
+ int _lbfsize; \
+ void *_cookie; \
+ void *_close; \
+ void *_read; \
+ void *_seek; \
+ void *_write; \
+ struct { unsigned char *_base; size_t _size; } _ext; \
+ unsigned char *_up; \
+ int _ur; \
+ unsigned char _ubuf[3]; \
+ unsigned char _nbuf[1]; \
+ struct { unsigned char *_base; size_t _size; } _lb; \
+ int _blksize; \
+ fpos_t _offset; \
+ /* More fields, not relevant here. */ \
+ } *) fp)
# else
# define fp_ fp
# endif
-# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ || defined __ANDROID__ /* NetBSD >= 1.5ZA, OpenBSD, Android */
+# if (defined __NetBSD__ && __NetBSD_Version__ >= 105270000) || defined __OpenBSD__ || defined __minix /* NetBSD >= 1.5ZA, OpenBSD, Minix 3 */
/* 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>
+ and <https://github.com/Stichting-MINIX-Research-Foundation/minix/blob/master/lib/libc/stdio/fileext.h> */
struct __sfileext
{
struct __sbuf _ub; /* ungetc buffer */
/* More fields, not relevant here. */
};
# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
-# else /* FreeBSD, NetBSD <= 1.5Z, DragonFly, Mac OS X, Cygwin, Android */
+# elif defined __ANDROID__ /* Android */
+ struct __sfileext
+ {
+ struct { unsigned char *_base; size_t _size; } _ub; /* ungetc buffer */
+ /* More fields, not relevant here. */
+ };
+# define fp_ub ((struct __sfileext *) fp_->_ext._base)->_ub
+# else /* FreeBSD, NetBSD <= 1.5Z, DragonFly, Mac OS X, Cygwin */
# define fp_ub fp_->_ub
# endif
# define HASUB(fp) (fp_ub._base != NULL)
+# if defined __ANDROID__ /* Android */
+ /* Needed after this commit from 2016-01-25
+ <https://android.googlesource.com/platform/bionic.git/+/e70e0e9267d069bf56a5078c99307e08a7280de7> */
+# ifndef __SEOF
+# define __SLBF 1
+# define __SNBF 2
+# define __SRD 4
+# define __SWR 8
+# define __SRW 0x10
+# define __SEOF 0x20
+# define __SERR 0x40
+# endif
+# ifndef __SOFF
+# define __SOFF 0x1000
+# endif
+# endif
+
#endif
#ifdef __TANDEM /* NonStop Kernel */
# ifndef _IOERR
/* These values were determined by the program 'stdioext-flags' at
- <http://lists.gnu.org/archive/html/bug-gnulib/2010-12/msg00165.html>. */
+ <https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOERR 0x40
# define _IOREAD 0x80
# define _IOWRT 0x4
int _file; \
unsigned int _flag; \
} *) fp)
+# elif defined __VMS /* OpenVMS */
+# define fp_ ((struct _iobuf *) fp)
# else
# define fp_ fp
# endif
-# if defined _SCO_DS /* OpenServer */
+# if defined _SCO_DS || (defined __SCO_VERSION__ || defined __sysv5__) /* OpenServer 5, OpenServer 6, UnixWare 7 */
# define _cnt __cnt
# define _ptr __ptr
# define _base __base
# define _flag __flag
# endif
-#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ /* newer Windows with MSVC */
+#elif defined _WIN32 && ! defined __CYGWIN__ /* newer Windows with MSVC */
/* <stdio.h> does not define the innards of FILE any more. */
# define WINDOWS_OPAQUE_FILE
# define fp_ ((struct _gl_real_FILE *) fp)
/* These values were determined by a program similar to the one at
- <http://lists.gnu.org/archive/html/bug-gnulib/2010-12/msg00165.html>. */
+ <https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOREAD 0x1
# define _IOWRT 0x2
# define _IORW 0x4
projects / platform / upstream / m4.git / blobdiff