diff options
author | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
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committer | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
commit | 0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch) | |
tree | f8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/libio/libio.h | |
parent | ff8e9a4356e55ed142306c3a375fa280800abc86 (diff) |
egcs projects compiler system
Exact copy of the snapshot, except for the removal of
texinfo/
gcc/ch/
libchill/
Diffstat (limited to 'gnu/egcs/libio/libio.h')
-rw-r--r-- | gnu/egcs/libio/libio.h | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/gnu/egcs/libio/libio.h b/gnu/egcs/libio/libio.h new file mode 100644 index 00000000000..b152874d1f6 --- /dev/null +++ b/gnu/egcs/libio/libio.h @@ -0,0 +1,364 @@ +/* Copyright (C) 1991, 92, 93, 94, 95, 97, 98 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + Written by Per Bothner <bothner@cygnus.com>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#ifndef _IO_STDIO_H +#define _IO_STDIO_H + +#include <_G_config.h> +#define _IO_pos_t _G_fpos_t /* obsolete */ +#define _IO_fpos_t _G_fpos_t +#define _IO_size_t _G_size_t +#define _IO_ssize_t _G_ssize_t +#define _IO_off_t _G_off_t +#define _IO_pid_t _G_pid_t +#define _IO_uid_t _G_uid_t +#define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT +#define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE +#define _IO_BUFSIZ _G_BUFSIZ +#define _IO_va_list _G_va_list +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_fpos64_t _G_fpos64_t +#define _IO_off64_t _G_off64_t +#endif + +#ifdef _G_NEED_STDARG_H +/* This define avoids name pollution if we're using GNU stdarg.h */ +# define __need___va_list +# include <stdarg.h> +# ifdef __GNUC_VA_LIST +# undef _IO_va_list +# define _IO_va_list __gnuc_va_list +# endif /* __GNUC_VA_LIST */ +#endif + +#ifndef __P +# if _G_HAVE_SYS_CDEFS +# include <sys/cdefs.h> +# else +# ifdef __STDC__ +# define __P(p) p +# else +# define __P(p) () +# endif +# endif +#endif /*!__P*/ + +#ifndef __PMT +# ifdef __STDC__ +# define __PMT(p) p +# else +# define __PMT(p) () +# endif +#endif /*!__P*/ + +/* For backward compatibility */ +#ifndef _PARAMS +# define _PARAMS(protos) __P(protos) +#endif /*!_PARAMS*/ + +#ifndef __STDC__ +# define const +#endif +#define _IO_UNIFIED_JUMPTABLES 1 +#if !_G_HAVE_PRINTF_FP +# define _IO_USE_DTOA 1 +#endif + +#ifndef EOF +# define EOF (-1) +#endif +#ifndef NULL +# if defined __GNUG__ && \ + (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) +# define NULL (__null) +# else +# if !defined(__cplusplus) +# define NULL ((void*)0) +# else +# define NULL (0) +# endif +# endif +#endif + +#define _IOS_INPUT 1 +#define _IOS_OUTPUT 2 +#define _IOS_ATEND 4 +#define _IOS_APPEND 8 +#define _IOS_TRUNC 16 +#define _IOS_NOCREATE 32 +#define _IOS_NOREPLACE 64 +#define _IOS_BIN 128 + +/* Magic numbers and bits for the _flags field. + The magic numbers use the high-order bits of _flags; + the remaining bits are available for variable flags. + Note: The magic numbers must all be negative if stdio + emulation is desired. */ + +#define _IO_MAGIC 0xFBAD0000 /* Magic number */ +#define _OLD_STDIO_MAGIC 0xFABC0000 /* Emulate old stdio. */ +#define _IO_MAGIC_MASK 0xFFFF0000 +#define _IO_USER_BUF 1 /* User owns buffer; don't delete it on close. */ +#define _IO_UNBUFFERED 2 +#define _IO_NO_READS 4 /* Reading not allowed */ +#define _IO_NO_WRITES 8 /* Writing not allowd */ +#define _IO_EOF_SEEN 0x10 +#define _IO_ERR_SEEN 0x20 +#define _IO_DELETE_DONT_CLOSE 0x40 /* Don't call close(_fileno) on cleanup. */ +#define _IO_LINKED 0x80 /* Set if linked (using _chain) to streambuf::_list_all.*/ +#define _IO_IN_BACKUP 0x100 +#define _IO_LINE_BUF 0x200 +#define _IO_TIED_PUT_GET 0x400 /* Set if put and get pointer logicly tied. */ +#define _IO_CURRENTLY_PUTTING 0x800 +#define _IO_IS_APPENDING 0x1000 +#define _IO_IS_FILEBUF 0x2000 +#define _IO_BAD_SEEN 0x4000 + +/* These are "formatting flags" matching the iostream fmtflags enum values. */ +#define _IO_SKIPWS 01 +#define _IO_LEFT 02 +#define _IO_RIGHT 04 +#define _IO_INTERNAL 010 +#define _IO_DEC 020 +#define _IO_OCT 040 +#define _IO_HEX 0100 +#define _IO_SHOWBASE 0200 +#define _IO_SHOWPOINT 0400 +#define _IO_UPPERCASE 01000 +#define _IO_SHOWPOS 02000 +#define _IO_SCIENTIFIC 04000 +#define _IO_FIXED 010000 +#define _IO_UNITBUF 020000 +#define _IO_STDIO 040000 +#define _IO_DONT_CLOSE 0100000 +#define _IO_BOOLALPHA 0200000 + + +struct _IO_jump_t; struct _IO_FILE; + +/* Handle lock. */ +#ifdef _IO_MTSAFE_IO +# if defined __GLIBC__ && __GLIBC__ >= 2 +# if __GLIBC_MINOR__ > 0 +# include <bits/stdio-lock.h> +# else +# include <stdio-lock.h> +# endif +# define _IO_LOCK_T _IO_lock_t * +# else +/*# include <comthread.h>*/ +# endif +#else +# if defined(__GLIBC__) && __GLIBC__ >= 2 + typedef void _IO_lock_t; +# define _IO_LOCK_T void * +# else +# ifdef __linux__ + struct _IO_lock_t { void *ptr; short int field1; short int field2; }; +# define _IO_LOCK_T struct _IO_lock_t +# else + typedef void _IO_lock_t; +# endif +# endif +#endif + + +/* A streammarker remembers a position in a buffer. */ + +struct _IO_marker { + struct _IO_marker *_next; + struct _IO_FILE *_sbuf; + /* If _pos >= 0 + it points to _buf->Gbase()+_pos. FIXME comment */ + /* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */ + int _pos; +#if 0 + void set_streampos(streampos sp) { _spos = sp; } + void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); } + public: + streammarker(streambuf *sb); + ~streammarker(); + int saving() { return _spos == -2; } + int delta(streammarker&); + int delta(); +#endif +}; + +struct _IO_FILE { + int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ +#define _IO_file_flags _flags + + /* The following pointers correspond to the C++ streambuf protocol. */ + /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */ + char* _IO_read_ptr; /* Current read pointer */ + char* _IO_read_end; /* End of get area. */ + char* _IO_read_base; /* Start of putback+get area. */ + char* _IO_write_base; /* Start of put area. */ + char* _IO_write_ptr; /* Current put pointer. */ + char* _IO_write_end; /* End of put area. */ + char* _IO_buf_base; /* Start of reserve area. */ + char* _IO_buf_end; /* End of reserve area. */ + /* The following fields are used to support backing up and undo. */ + char *_IO_save_base; /* Pointer to start of non-current get area. */ + char *_IO_backup_base; /* Pointer to first valid character of backup area */ + char *_IO_save_end; /* Pointer to end of non-current get area. */ + + struct _IO_marker *_markers; + + struct _IO_FILE *_chain; + + int _fileno; + int _blksize; +#ifdef _G_IO_IO_FILE_VERSION + _IO_off_t _old_offset; +#else + _IO_off_t _offset; +#endif + +#define __HAVE_COLUMN /* temporary */ + /* 1+column number of pbase(); 0 is unknown. */ + unsigned short _cur_column; + char _unused; + char _shortbuf[1]; + + /* char* _save_gptr; char* _save_egptr; */ + +#ifdef _IO_LOCK_T + _IO_LOCK_T _lock; +#endif +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 + _IO_off64_t _offset; + int _unused2[16]; /* Make sure we don't get into trouble again. */ +#endif +}; + +#ifndef __cplusplus +typedef struct _IO_FILE _IO_FILE; +#endif + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_stdin_ _IO_2_1_stdin_ +#define _IO_stdout_ _IO_2_1_stdout_ +#define _IO_stderr_ _IO_2_1_stderr_ +#endif + +struct _IO_FILE_plus; +extern struct _IO_FILE_plus _IO_stdin_, _IO_stdout_, _IO_stderr_; +#define _IO_stdin ((_IO_FILE*)(&_IO_stdin_)) +#define _IO_stdout ((_IO_FILE*)(&_IO_stdout_)) +#define _IO_stderr ((_IO_FILE*)(&_IO_stderr_)) + + +/* Define the user-visible type, with user-friendly member names. */ +typedef struct +{ + _IO_ssize_t (*read) __PMT ((struct _IO_FILE *, void *, _IO_ssize_t)); + _IO_ssize_t (*write) __PMT ((struct _IO_FILE *, const void *, _IO_ssize_t)); + _IO_fpos_t (*seek) __PMT ((struct _IO_FILE *, _IO_off_t, int)); + int (*close) __PMT ((struct _IO_FILE *)); +} _IO_cookie_io_functions_t; + +/* Special file type for fopencookie function. */ +struct _IO_cookie_file +{ + struct _IO_FILE file; + const void *vtable; + void *cookie; + _IO_cookie_io_functions_t io_functions; +}; + + +#ifdef __cplusplus +extern "C" { +#endif + +extern int __underflow __P ((_IO_FILE *)); +extern int __uflow __P ((_IO_FILE *)); +extern int __overflow __P ((_IO_FILE *, int)); + +#define _IO_getc_unlocked(_fp) \ + ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end ? __uflow (_fp) \ + : *(unsigned char *) (_fp)->_IO_read_ptr++) +#define _IO_peekc_unlocked(_fp) \ + ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end \ + && __underflow (_fp) == EOF ? EOF \ + : *(unsigned char *) (_fp)->_IO_read_ptr) + +#define _IO_putc_unlocked(_ch, _fp) \ + (((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \ + ? __overflow (_fp, (unsigned char) (_ch)) \ + : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) + +#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) +#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) + +extern int _IO_getc __P ((_IO_FILE *__fp)); +extern int _IO_putc __P ((int __c, _IO_FILE *__fp)); +extern int _IO_feof __P ((_IO_FILE *__fp)); +extern int _IO_ferror __P ((_IO_FILE *__fp)); + +extern int _IO_peekc_locked __P ((_IO_FILE *__fp)); + +/* This one is for Emacs. */ +#define _IO_PENDING_OUTPUT_COUNT(_fp) \ + ((_fp)->_IO_write_ptr - (_fp)->_IO_write_base) + +extern void _IO_flockfile __P ((_IO_FILE *)); +extern void _IO_funlockfile __P ((_IO_FILE *)); +extern int _IO_ftrylockfile __P ((_IO_FILE *)); + +#ifdef _IO_MTSAFE_IO +# define _IO_peekc(_fp) _IO_peekc_locked (_fp) +#else +# define _IO_peekc(_fp) _IO_peekc_unlocked (_fp) +# define _IO_flockfile(_fp) /**/ +# define _IO_funlockfile(_fp) /**/ +# define _IO_ftrylockfile(_fp) /**/ +# define _IO_cleanup_region_start(_fct, _fp) /**/ +# define _IO_cleanup_region_end(_Doit) /**/ +#endif /* !_IO_MTSAFE_IO */ + + +extern int _IO_vfscanf __P ((_IO_FILE *, const char *, _IO_va_list, int *)); +extern int _IO_vfprintf __P ((_IO_FILE *, const char *, _IO_va_list)); +extern _IO_ssize_t _IO_padn __P ((_IO_FILE *, int, _IO_ssize_t)); +extern _IO_size_t _IO_sgetn __P ((_IO_FILE *, void *, _IO_size_t)); + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +extern _IO_fpos64_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos64_t, int)); +#else +extern _IO_fpos_t _IO_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +extern _IO_fpos_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos_t, int)); +#endif + +extern void _IO_free_backup_area __P ((_IO_FILE *)); + +#ifdef __cplusplus +} +#endif + +#endif /* _IO_STDIO_H */ |