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5acb90c9b6
a small amount of unused stuff (by the bmakefiles to follow), but it isn't much and seems harmless enough.
256 lines
7.6 KiB
C++
256 lines
7.6 KiB
C++
/*
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Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation
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This file is part of the GNU IO Library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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/* This is part of the iostream library. Written by Per Bothner. */
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#ifndef _IO_STDIO_H
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#define _IO_STDIO_H
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#include <_G_config.h>
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#define _IO_pos_t _G_fpos_t /* obsolete */
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#define _IO_fpos_t _G_fpos_t
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#define _IO_size_t _G_size_t
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#define _IO_ssize_t _G_ssize_t
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#define _IO_off_t _G_off_t
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#define _IO_pid_t _G_pid_t
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#define _IO_uid_t _G_uid_t
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#define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT
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#define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE
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#define _IO_BUFSIZ _G_BUFSIZ
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#define _IO_va_list _G_va_list
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#ifdef _G_NEED_STDARG_H
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/* This define avoids name pollution if we're using GNU stdarg.h */
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#define __need___va_list
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#include <stdarg.h>
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#ifdef __GNUC_VA_LIST
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#undef _IO_va_list
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#define _IO_va_list __gnuc_va_list
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#endif /* __GNUC_VA_LIST */
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#endif
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#ifndef __P
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#if _G_HAVE_SYS_CDEFS
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#include <sys/cdefs.h>
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#else
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#ifdef __STDC__
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#define __P(protos) protos
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#else
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#define __P(protos) ()
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#endif
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#endif
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#endif /*!__P*/
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/* For backward compatibility */
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#ifndef _PARAMS
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#define _PARAMS(protos) __P(protos)
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#endif /*!_PARAMS*/
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#ifndef __STDC__
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#define const
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#endif
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#define _IO_USE_DTOA
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#define _IO_UNIFIED_JUMPTABLES 1
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#if 0
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#ifdef _IO_NEED_STDARG_H
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#include <stdarg.h>
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#endif
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#endif
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#ifndef EOF
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#define EOF (-1)
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#endif
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#ifndef NULL
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#if !defined(__cplusplus) || defined(__GNUC__)
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#define NULL ((void*)0)
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#else
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#define NULL (0)
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#endif
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#endif
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#define _IOS_INPUT 1
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#define _IOS_OUTPUT 2
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#define _IOS_ATEND 4
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#define _IOS_APPEND 8
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#define _IOS_TRUNC 16
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#define _IOS_NOCREATE 32
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#define _IOS_NOREPLACE 64
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#define _IOS_BIN 128
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/* Magic numbers and bits for the _flags field.
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The magic numbers use the high-order bits of _flags;
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the remaining bits are abailable for variable flags.
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Note: The magic numbers must all be negative if stdio
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emulation is desired. */
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#define _IO_MAGIC 0xFBAD0000 /* Magic number */
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#define _OLD_STDIO_MAGIC 0xFABC0000 /* Emulate old stdio. */
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#define _IO_MAGIC_MASK 0xFFFF0000
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#define _IO_USER_BUF 1 /* User owns buffer; don't delete it on close. */
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#define _IO_UNBUFFERED 2
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#define _IO_NO_READS 4 /* Reading not allowed */
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#define _IO_NO_WRITES 8 /* Writing not allowd */
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#define _IO_EOF_SEEN 0x10
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#define _IO_ERR_SEEN 0x20
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#define _IO_DELETE_DONT_CLOSE 0x40 /* Don't call close(_fileno) on cleanup. */
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#define _IO_LINKED 0x80 /* Set if linked (using _chain) to streambuf::_list_all.*/
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#define _IO_IN_BACKUP 0x100
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#define _IO_LINE_BUF 0x200
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#define _IO_TIED_PUT_GET 0x400 /* Set if put and get pointer logicly tied. */
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#define _IO_CURRENTLY_PUTTING 0x800
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#define _IO_IS_APPENDING 0x1000
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#define _IO_IS_FILEBUF 0x2000
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/* These are "formatting flags" matching the iostream fmtflags enum values. */
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#define _IO_SKIPWS 01
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#define _IO_LEFT 02
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#define _IO_RIGHT 04
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#define _IO_INTERNAL 010
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#define _IO_DEC 020
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#define _IO_OCT 040
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#define _IO_HEX 0100
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#define _IO_SHOWBASE 0200
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#define _IO_SHOWPOINT 0400
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#define _IO_UPPERCASE 01000
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#define _IO_SHOWPOS 02000
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#define _IO_SCIENTIFIC 04000
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#define _IO_FIXED 010000
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#define _IO_UNITBUF 020000
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#define _IO_STDIO 040000
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#define _IO_DONT_CLOSE 0100000
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/* A streammarker remembers a position in a buffer. */
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struct _IO_jump_t; struct _IO_FILE;
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struct _IO_marker {
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struct _IO_marker *_next;
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struct _IO_FILE *_sbuf;
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/* If _pos >= 0
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it points to _buf->Gbase()+_pos. FIXME comment */
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/* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */
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int _pos;
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#if 0
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void set_streampos(streampos sp) { _spos = sp; }
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void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); }
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public:
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streammarker(streambuf *sb);
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~streammarker();
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int saving() { return _spos == -2; }
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int delta(streammarker&);
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int delta();
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#endif
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};
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struct _IO_FILE {
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int _flags; /* High-order word is _IO_MAGIC; rest is flags. */
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#define _IO_file_flags _flags
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/* The following pointers correspond to the C++ streambuf protocol. */
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/* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */
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char* _IO_read_ptr; /* Current read pointer */
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char* _IO_read_end; /* End of get area. */
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char* _IO_read_base; /* Start of putback+get area. */
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char* _IO_write_base; /* Start of put area. */
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char* _IO_write_ptr; /* Current put pointer. */
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char* _IO_write_end; /* End of put area. */
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char* _IO_buf_base; /* Start of reserve area. */
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char* _IO_buf_end; /* End of reserve area. */
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/* The following fields are used to support backing up and undo. */
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char *_IO_save_base; /* Pointer to start of non-current get area. */
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char *_IO_backup_base; /* Pointer to first valid character of backup area */
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char *_IO_save_end; /* Pointer to end of non-current get area. */
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struct _IO_marker *_markers;
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struct _IO_FILE *_chain;
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int _fileno;
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int _blksize;
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_IO_off_t _offset;
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#define __HAVE_COLUMN /* temporary */
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/* 1+column number of pbase(); 0 is unknown. */
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unsigned short _cur_column;
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char _unused;
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char _shortbuf[1];
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/* char* _save_gptr; char* _save_egptr; */
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};
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#ifndef __cplusplus
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typedef struct _IO_FILE _IO_FILE;
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#endif
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struct _IO_FILE_plus;
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extern struct _IO_FILE_plus _IO_stdin_, _IO_stdout_, _IO_stderr_;
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#define _IO_stdin ((_IO_FILE*)(&_IO_stdin_))
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#define _IO_stdout ((_IO_FILE*)(&_IO_stdout_))
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#define _IO_stderr ((_IO_FILE*)(&_IO_stderr_))
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int __underflow __P((_IO_FILE*));
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extern int __uflow __P((_IO_FILE*));
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extern int __overflow __P((_IO_FILE*, int));
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#define _IO_getc(_fp) \
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((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end ? __uflow(_fp) \
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: *(unsigned char*)(_fp)->_IO_read_ptr++)
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#define _IO_peekc(_fp) \
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((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end \
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&& __underflow(_fp) == EOF ? EOF \
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: *(unsigned char*)(_fp)->_IO_read_ptr)
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#define _IO_putc(_ch, _fp) \
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(((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \
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? __overflow(_fp, (unsigned char)(_ch)) \
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: (unsigned char)(*(_fp)->_IO_write_ptr++ = (_ch)))
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#define _IO_feof(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
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#define _IO_ferror(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
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/* This one is for Emacs. */
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#define _IO_PENDING_OUTPUT_COUNT(_fp) \
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((_fp)->_IO_write_ptr - (_fp)->_IO_write_base)
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extern int _IO_vfscanf __P((_IO_FILE*, const char*, _IO_va_list, int*));
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extern int _IO_vfprintf __P((_IO_FILE*, const char*, _IO_va_list));
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extern _IO_ssize_t _IO_padn __P((_IO_FILE *, int, _IO_ssize_t));
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extern _IO_size_t _IO_sgetn __P((_IO_FILE *, void*, _IO_size_t));
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extern _IO_fpos_t _IO_seekoff __P((_IO_FILE*, _IO_off_t, int, int));
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extern _IO_fpos_t _IO_seekpos __P((_IO_FILE*, _IO_fpos_t, int));
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extern void _IO_free_backup_area __P((_IO_FILE*));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _IO_STDIO_H */
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