nkeynes@185: /*
nkeynes@185:  * Copyright (c) 1990 The Regents of the University of California.
nkeynes@185:  * All rights reserved.
nkeynes@185:  *
nkeynes@185:  * Redistribution and use in source and binary forms are permitted
nkeynes@185:  * provided that the above copyright notice and this paragraph are
nkeynes@185:  * duplicated in all such forms and that any documentation,
nkeynes@185:  * advertising materials, and other materials related to such
nkeynes@185:  * distribution and use acknowledge that the software was developed
nkeynes@185:  * by the University of California, Berkeley.  The name of the
nkeynes@185:  * University may not be used to endorse or promote products derived
nkeynes@185:  * from this software without specific prior written permission.
nkeynes@185:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
nkeynes@185:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
nkeynes@185:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
nkeynes@185:  *
nkeynes@185:  *	@(#)stdio.h	5.3 (Berkeley) 3/15/86
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * NB: to fit things in six character monocase externals, the
nkeynes@185:  * stdio code uses the prefix `__s' for stdio objects, typically
nkeynes@185:  * followed by a three-character attempt at a mnemonic.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: #ifndef _STDIO_H_
nkeynes@185: #ifdef __cplusplus
nkeynes@185: extern "C" {
nkeynes@185: #endif
nkeynes@185: #define	_STDIO_H_
nkeynes@185: 
nkeynes@185: #include "_ansi.h"
nkeynes@185: 
nkeynes@185: #define	_FSTDIO			/* ``function stdio'' */
nkeynes@185: 
nkeynes@185: #define __need_size_t
nkeynes@185: #include <stddef.h>
nkeynes@185: 
nkeynes@185: #define __need___va_list
nkeynes@185: #include <stdarg.h>
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * <sys/reent.h> defines __sFILE, _fpos_t.
nkeynes@185:  * They must be defined there because struct _reent needs them (and we don't
nkeynes@185:  * want reent.h to include this file.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: #include <sys/reent.h>
nkeynes@185: 
nkeynes@185: typedef _fpos_t fpos_t;
nkeynes@185: 
nkeynes@185: typedef struct __sFILE FILE;
nkeynes@185: 
nkeynes@185: #define	__SLBF	0x0001		/* line buffered */
nkeynes@185: #define	__SNBF	0x0002		/* unbuffered */
nkeynes@185: #define	__SRD	0x0004		/* OK to read */
nkeynes@185: #define	__SWR	0x0008		/* OK to write */
nkeynes@185: 	/* RD and WR are never simultaneously asserted */
nkeynes@185: #define	__SRW	0x0010		/* open for reading & writing */
nkeynes@185: #define	__SEOF	0x0020		/* found EOF */
nkeynes@185: #define	__SERR	0x0040		/* found error */
nkeynes@185: #define	__SMBF	0x0080		/* _buf is from malloc */
nkeynes@185: #define	__SAPP	0x0100		/* fdopen()ed in append mode - so must  write to end */
nkeynes@185: #define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
nkeynes@185: #define	__SOPT	0x0400		/* do fseek() optimisation */
nkeynes@185: #define	__SNPT	0x0800		/* do not do fseek() optimisation */
nkeynes@185: #define	__SOFF	0x1000		/* set iff _offset is in fact correct */
nkeynes@185: #define	__SMOD	0x2000		/* true => fgetline modified _p text */
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * The following three definitions are for ANSI C, which took them
nkeynes@185:  * from System V, which stupidly took internal interface macros and
nkeynes@185:  * made them official arguments to setvbuf(), without renaming them.
nkeynes@185:  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
nkeynes@185:  *
nkeynes@185:  * Although these happen to match their counterparts above, the
nkeynes@185:  * implementation does not rely on that (so these could be renumbered).
nkeynes@185:  */
nkeynes@185: #define	_IOFBF	0		/* setvbuf should set fully buffered */
nkeynes@185: #define	_IOLBF	1		/* setvbuf should set line buffered */
nkeynes@185: #define	_IONBF	2		/* setvbuf should set unbuffered */
nkeynes@185: 
nkeynes@185: #ifndef NULL
nkeynes@185: #define	NULL	0
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #define	BUFSIZ	1024
nkeynes@185: #define	EOF	(-1)
nkeynes@185: 
nkeynes@185: #define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
nkeynes@185: #define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
nkeynes@185: #define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
nkeynes@185: #ifndef __STRICT_ANSI__
nkeynes@185: #define P_tmpdir        "/tmp"
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #ifndef SEEK_SET
nkeynes@185: #define	SEEK_SET	0	/* set file offset to offset */
nkeynes@185: #endif
nkeynes@185: #ifndef SEEK_CUR
nkeynes@185: #define	SEEK_CUR	1	/* set file offset to current plus offset */
nkeynes@185: #endif
nkeynes@185: #ifndef SEEK_END
nkeynes@185: #define	SEEK_END	2	/* set file offset to EOF plus offset */
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #define	TMP_MAX		26
nkeynes@185: 
nkeynes@185: #define	stdin	(_impure_ptr->_stdin)
nkeynes@185: #define	stdout	(_impure_ptr->_stdout)
nkeynes@185: #define	stderr	(_impure_ptr->_stderr)
nkeynes@185: 
nkeynes@185: #define _stdin_r(x)	((x)->_stdin)
nkeynes@185: #define _stdout_r(x)	((x)->_stdout)
nkeynes@185: #define _stderr_r(x)	((x)->_stderr)
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * Functions defined in ANSI C standard.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: #ifdef __GNUC__
nkeynes@185: #define __VALIST __gnuc_va_list
nkeynes@185: #else
nkeynes@185: #define __VALIST char*
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #ifndef _REENT_ONLY
nkeynes@185: int	_EXFUN(remove, (const char *));
nkeynes@185: int	_EXFUN(rename, (const char *, const char *));
nkeynes@185: #endif
nkeynes@185: char *	_EXFUN(tempnam, (const char *, const char *));
nkeynes@185: FILE *	_EXFUN(tmpfile, (void));
nkeynes@185: char *	_EXFUN(tmpnam, (char *));
nkeynes@185: int	_EXFUN(fclose, (FILE *));
nkeynes@185: int	_EXFUN(fflush, (FILE *));
nkeynes@185: FILE *	_EXFUN(freopen, (const char *, const char *, FILE *));
nkeynes@185: void	_EXFUN(setbuf, (FILE *, char *));
nkeynes@185: int	_EXFUN(setvbuf, (FILE *, char *, int, size_t));
nkeynes@185: int	_EXFUN(fprintf, (FILE *, const char *, ...));
nkeynes@185: int	_EXFUN(fscanf, (FILE *, const char *, ...));
nkeynes@185: int	_EXFUN(printf, (const char *, ...));
nkeynes@185: int	_EXFUN(scanf, (const char *, ...));
nkeynes@185: int	_EXFUN(sscanf, (const char *, const char *, ...));
nkeynes@185: int	_EXFUN(vfprintf, (FILE *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(vprintf, (const char *, __VALIST));
nkeynes@185: int	_EXFUN(vsprintf, (char *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST));
nkeynes@185: int	_EXFUN(fgetc, (FILE *));
nkeynes@185: char *  _EXFUN(fgets, (char *, int, FILE *));
nkeynes@185: int	_EXFUN(fputc, (int, FILE *));
nkeynes@185: int	_EXFUN(fputs, (const char *, FILE *));
nkeynes@185: int	_EXFUN(getc, (FILE *));
nkeynes@185: int	_EXFUN(getchar, (void));
nkeynes@185: char *  _EXFUN(gets, (char *));
nkeynes@185: int	_EXFUN(putc, (int, FILE *));
nkeynes@185: int	_EXFUN(putchar, (int));
nkeynes@185: int	_EXFUN(puts, (const char *));
nkeynes@185: int	_EXFUN(ungetc, (int, FILE *));
nkeynes@185: size_t	_EXFUN(fread, (_PTR, size_t _size, size_t _n, FILE *));
nkeynes@185: size_t	_EXFUN(fwrite, (const _PTR , size_t _size, size_t _n, FILE *));
nkeynes@185: int	_EXFUN(fgetpos, (FILE *, fpos_t *));
nkeynes@185: int	_EXFUN(fseek, (FILE *, long, int));
nkeynes@185: int	_EXFUN(fsetpos, (FILE *, const fpos_t *));
nkeynes@185: long	_EXFUN(ftell, ( FILE *));
nkeynes@185: void	_EXFUN(rewind, (FILE *));
nkeynes@185: void	_EXFUN(clearerr, (FILE *));
nkeynes@185: int	_EXFUN(feof, (FILE *));
nkeynes@185: int	_EXFUN(ferror, (FILE *));
nkeynes@185: void    _EXFUN(perror, (const char *));
nkeynes@185: #ifndef _REENT_ONLY
nkeynes@185: FILE *	_EXFUN(fopen, (const char *_name, const char *_type));
nkeynes@185: int	_EXFUN(sprintf, (char *, const char *, ...));
nkeynes@185: int	_EXFUN(snprintf, (char *, size_t, const char *, ...));
nkeynes@185: #endif
nkeynes@185: #ifndef __STRICT_ANSI__
nkeynes@185: int	_EXFUN(vfiprintf, (FILE *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(iprintf, (const char *, ...));
nkeynes@185: int	_EXFUN(fiprintf, (FILE *, const char *, ...));
nkeynes@185: int	_EXFUN(siprintf, (char *, const char *, ...));
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * Routines in POSIX 1003.1.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: #ifndef __STRICT_ANSI__
nkeynes@185: #ifndef _REENT_ONLY
nkeynes@185: FILE *	_EXFUN(fdopen, (int, const char *));
nkeynes@185: #endif
nkeynes@185: int	_EXFUN(fileno, (FILE *));
nkeynes@185: int	_EXFUN(getw, (FILE *));
nkeynes@185: int	_EXFUN(pclose, (FILE *));
nkeynes@185: FILE *  _EXFUN(popen, (const char *, const char *));
nkeynes@185: int	_EXFUN(putw, (int, FILE *));
nkeynes@185: void    _EXFUN(setbuffer, (FILE *, char *, int));
nkeynes@185: int	_EXFUN(setlinebuf, (FILE *));
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * Recursive versions of the above.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: FILE *	_EXFUN(_fdopen_r, (struct _reent *, int, const char *));
nkeynes@185: FILE *	_EXFUN(_fopen_r, (struct _reent *, const char *, const char *));
nkeynes@185: int	_EXFUN(_getchar_r, (struct _reent *));
nkeynes@185: char *	_EXFUN(_gets_r, (struct _reent *, char *));
nkeynes@185: int	_EXFUN(_iprintf_r, (struct _reent *, const char *, ...));
nkeynes@185: int	_EXFUN(_mkstemp_r, (struct _reent *, char *));
nkeynes@185: char *	_EXFUN(_mktemp_r, (struct _reent *, char *));
nkeynes@185: void	_EXFUN(_perror_r, (struct _reent *, const char *));
nkeynes@185: int	_EXFUN(_printf_r, (struct _reent *, const char *, ...));
nkeynes@185: int	_EXFUN(_putchar_r, (struct _reent *, int));
nkeynes@185: int	_EXFUN(_puts_r, (struct _reent *, const char *));
nkeynes@185: int	_EXFUN(_remove_r, (struct _reent *, const char *));
nkeynes@185: int	_EXFUN(_rename_r, (struct _reent *,
nkeynes@185: 			   const char *_old, const char *_new));
nkeynes@185: int	_EXFUN(_scanf_r, (struct _reent *, const char *, ...));
nkeynes@185: int	_EXFUN(_sprintf_r, (struct _reent *, char *, const char *, ...));
nkeynes@185: int	_EXFUN(_snprintf_r, (struct _reent *, char *, size_t, const char *, ...));
nkeynes@185: char *	_EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
nkeynes@185: FILE *	_EXFUN(_tmpfile_r, (struct _reent *));
nkeynes@185: char *	_EXFUN(_tmpnam_r, (struct _reent *, char *));
nkeynes@185: int	_EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(_vsprintf_r, (struct _reent *, char *, const char *, __VALIST));
nkeynes@185: int	_EXFUN(_vsnprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST));
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * Routines internal to the implementation.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: int	_EXFUN(__srget, (FILE *));
nkeynes@185: int	_EXFUN(__swbuf, (int, FILE *));
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * Stdio function-access interface.
nkeynes@185:  */
nkeynes@185: 
nkeynes@185: #ifndef __STRICT_ANSI__
nkeynes@185: FILE	*_EXFUN(funopen,(const _PTR _cookie,
nkeynes@185: 		int (*readfn)(_PTR _cookie, char *_buf, int _n),
nkeynes@185: 		int (*writefn)(_PTR _cookie, const char *_buf, int _n),
nkeynes@185: 		fpos_t (*seekfn)(_PTR _cookie, fpos_t _off, int _whence),
nkeynes@185: 		int (*closefn)(_PTR _cookie)));
nkeynes@185: 
nkeynes@185: #define	fropen(cookie, fn) funopen(cookie, fn, (int (*)())0, (fpos_t (*)())0, (int (*)())0)
nkeynes@185: #define	fwopen(cookie, fn) funopen(cookie, (int (*)())0, fn, (fpos_t (*)())0, (int (*)())0)
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: /*
nkeynes@185:  * The __sfoo macros are here so that we can 
nkeynes@185:  * define function versions in the C library.
nkeynes@185:  */
nkeynes@185: #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
nkeynes@185: #ifdef _never /* __GNUC__ */
nkeynes@185: /* If this inline is actually used, then systems using coff debugging
nkeynes@185:    info get hopelessly confused.  21sept93 rich@cygnus.com.  */
nkeynes@185: static __inline int __sputc(int _c, FILE *_p) {
nkeynes@185: 	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
nkeynes@185: 		return (*_p->_p++ = _c);
nkeynes@185: 	else
nkeynes@185: 		return (__swbuf(_c, _p));
nkeynes@185: }
nkeynes@185: #else
nkeynes@185: /*
nkeynes@185:  * This has been tuned to generate reasonable code on the vax using pcc
nkeynes@185:  */
nkeynes@185: #define	__sputc(c, p) \
nkeynes@185: 	(--(p)->_w < 0 ? \
nkeynes@185: 		(p)->_w >= (p)->_lbfsize ? \
nkeynes@185: 			(*(p)->_p = (c)), *(p)->_p != '\n' ? \
nkeynes@185: 				(int)*(p)->_p++ : \
nkeynes@185: 				__swbuf('\n', p) : \
nkeynes@185: 			__swbuf((int)(c), p) : \
nkeynes@185: 		(*(p)->_p = (c), (int)*(p)->_p++))
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
nkeynes@185: #define	__sferror(p)	(((p)->_flags & __SERR) != 0)
nkeynes@185: #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
nkeynes@185: #define	__sfileno(p)	((p)->_file)
nkeynes@185: 
nkeynes@185: #define	feof(p)		__sfeof(p)
nkeynes@185: #define	ferror(p)	__sferror(p)
nkeynes@185: #define	clearerr(p)	__sclearerr(p)
nkeynes@185: 
nkeynes@185: #if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
nkeynes@185: #define	fileno(p)	__sfileno(p)
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #ifndef lint
nkeynes@185: #define	getc(fp)	__sgetc(fp)
nkeynes@185: #define putc(x, fp)	__sputc(x, fp)
nkeynes@185: #endif /* lint */
nkeynes@185: 
nkeynes@185: #define	getchar()	getc(stdin)
nkeynes@185: #define	putchar(x)	putc(x, stdout)
nkeynes@185: 
nkeynes@185: #ifndef __STRICT_ANSI__
nkeynes@185: /* fast always-buffered version, true iff error */
nkeynes@185: #define	fast_putc(x,p) (--(p)->_w < 0 ? \
nkeynes@185: 	__swbuf((int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))
nkeynes@185: 
nkeynes@185: #define	L_cuserid	9		/* posix says it goes in stdio.h :( */
nkeynes@185: #ifdef __CYGWIN32__
nkeynes@185: #define L_ctermid       16
nkeynes@185: #endif
nkeynes@185: #endif
nkeynes@185: 
nkeynes@185: #ifdef __cplusplus
nkeynes@185: }
nkeynes@185: #endif
nkeynes@185: #endif /* _STDIO_H_ */