williamr@2: /*-
williamr@2: 
williamr@2:  * © Portions copyright (c) 2006 Symbian Software Ltd. All rights reserved.
williamr@2:  * Copyright (c) 1990, 1993
williamr@2:  *	The Regents of the University of California.  All rights reserved.
williamr@2:  *
williamr@2:  * This code is derived from software contributed to Berkeley by
williamr@2:  * Chris Torek.
williamr@2:  *
williamr@2:  * Redistribution and use in source and binary forms, with or without
williamr@2:  * modification, are permitted provided that the following conditions
williamr@2:  * are met:
williamr@2:  * 1. Redistributions of source code must retain the above copyright
williamr@2:  *    notice, this list of conditions and the following disclaimer.
williamr@2:  * 2. Redistributions in binary form must reproduce the above copyright
williamr@2:  *    notice, this list of conditions and the following disclaimer in the
williamr@2:  *    documentation and/or other materials provided with the distribution.
williamr@2:  * 4. Neither the name of the University nor the names of its contributors
williamr@2:  *    may be used to endorse or promote products derived from this software
williamr@2:  *    without specific prior written permission.
williamr@2:  *
williamr@2:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
williamr@2:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
williamr@2:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
williamr@2:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
williamr@2:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
williamr@2:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
williamr@2:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
williamr@2:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
williamr@2:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
williamr@2:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
williamr@2:  * SUCH DAMAGE.
williamr@2:  *
williamr@2:  *	@(#)stdio.h	8.5 (Berkeley) 4/29/95
williamr@2:  * $FreeBSD: src/include/stdio.h,v 1.56 2004/06/20 10:01:30 tjr Exp $
williamr@2:  *  © Portions copyright (c) 2005-2006  Nokia Corporation.  All rights reserved.
williamr@2:  * © Portions copyright (c) 2007-2008 Symbian Software Ltd. All rights reserved.
williamr@2:  */
williamr@2: 
williamr@2: #ifndef	_STDIO_H_
williamr@2: #define	_STDIO_H_
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: 
williamr@2: #include <sys/cdefs.h>
williamr@2: #include <sys/_null.h>
williamr@2: #include <sys/_types.h>
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2: #include <_ansi.h>
williamr@2: #include <errno.h>
williamr@2: #include <sys/types.h>
williamr@2: #endif
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: typedef	__off_t		fpos_t;
williamr@2: 
williamr@2: #ifndef _SIZE_T_DECLARED
williamr@2: typedef	__size_t	size_t;
williamr@2: #define	_SIZE_T_DECLARED
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef __SYMBIAN32__
williamr@2: //#ifndef __DOXYGEN__ 
williamr@2: #if (__BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE) && !__SYMBIAN32__
williamr@2: #ifndef _VA_LIST_DECLARED
williamr@2: typedef	__va_list	va_list;
williamr@2: #define va_list __e32_va_list
williamr@2: #define	_VA_LIST_DECLARED
williamr@2: #endif
williamr@2: #endif
williamr@2: //#endif //__DOXYGEN__
williamr@2: #else //__SYMBIAN32__
williamr@2: #include <stdarg_e.h>
williamr@2: #include <stdarg.h>
williamr@2: #endif //__SYMBIAN32__
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2: #ifndef __DOXYGEN__
williamr@2: #define vfscanf __vfscanf
williamr@2: #endif //__DOXYGEN__
williamr@2: #ifndef _VA_COPY_DEFINED
williamr@2: #define va_copy(dst,src) (dst = src)
williamr@2: #define  _VA_COPY_DEFINED
williamr@2: #endif //_VA_COPY_DEFINED
williamr@2: #endif // __SYMBIAN32__
williamr@2: #define	_FSTDIO			/* Define for new stdio with functions. */
williamr@2: 
williamr@2: /*
williamr@2:  * NB: to fit things in six character monocase externals, the stdio
williamr@2:  * code uses the prefix `__s' for stdio objects, typically followed
williamr@2:  * by a three-character attempt at a mnemonic.
williamr@2:  */
williamr@2: 
williamr@2: /* stdio buffers */
williamr@2: struct __sbuf {
williamr@2: 	unsigned char *_base;
williamr@2: 	int	_size;
williamr@2: };
williamr@2: 
williamr@2: /* hold a buncha junk that would grow the ABI */
williamr@2: struct __sFILEX;
williamr@2: 
williamr@2: /*
williamr@2:  * stdio state variables.
williamr@2:  *
williamr@2:  * The following always hold:
williamr@2:  *
williamr@2:  *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
williamr@2:  *		_lbfsize is -_bf._size, else _lbfsize is 0
williamr@2:  *	if _flags&__SRD, _w is 0
williamr@2:  *	if _flags&__SWR, _r is 0
williamr@2:  *
williamr@2:  * This ensures that the getc and putc macros (or inline functions) never
williamr@2:  * try to write or read from a file that is in `read' or `write' mode.
williamr@2:  * (Moreover, they can, and do, automatically switch from read mode to
williamr@2:  * write mode, and back, on "r+" and "w+" files.)
williamr@2:  *
williamr@2:  * _lbfsize is used only to make the inline line-buffered output stream
williamr@2:  * code as compact as possible.
williamr@2:  *
williamr@2:  * _ub, _up, and _ur are used when ungetc() pushes back more characters
williamr@2:  * than fit in the current _bf, or when ungetc() pushes back a character
williamr@2:  * that does not match the previous one in _bf.  When this happens,
williamr@2:  * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
williamr@2:  * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
williamr@2:  */
williamr@2: typedef	struct __sFILE {
williamr@2: 	unsigned char *_p;	/* current position in (some) buffer */
williamr@2: 	int	_r;		/* read space left for getc() */
williamr@2: 	int	_w;		/* write space left for putc() */
williamr@2: 	short	_flags;		/* flags, below; this FILE is free if 0 */
williamr@2: 	short	_file;		/* fileno, if Unix descriptor, else -1 */
williamr@2: 	struct	__sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
williamr@2: 	int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
williamr@2: 
williamr@2: 	/* operations */
williamr@2: 	void	*_cookie;	/* cookie passed to io functions */
williamr@2: 	int	(*_close)(void *);
williamr@2: 	int	(*_read)(void *, char *, int);
williamr@2: 	fpos_t	(*_seek)(void *, fpos_t, int);
williamr@2: 	int	(*_write)(void *, const char *, int);
williamr@2: 
williamr@2: 	/* separate buffer for long sequences of ungetc() */
williamr@2: 	struct	__sbuf _ub;	/* ungetc buffer */
williamr@2: 	struct __sFILEX *_extra; /* additions to FILE to not break ABI */
williamr@2: 	int	_ur;		/* saved _r when _r is counting ungetc data */
williamr@2: 
williamr@2: 	/* tricks to meet minimum requirements even when malloc() fails */
williamr@2: 	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
williamr@2: 	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
williamr@2: 
williamr@2: 	/* separate buffer for fgetln() when line crosses buffer boundary */
williamr@2: 	struct	__sbuf _lb;	/* buffer for fgetln() */
williamr@2: 
williamr@2: 	/* Unix stdio files get aligned to block boundaries on fseek() */
williamr@2: 	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
williamr@2: 	fpos_t	_offset;	/* current lseek offset */
williamr@2: } FILE;
williamr@2: 
williamr@2: #ifndef _STDSTREAM_DECLARED
williamr@2: __BEGIN_DECLS
williamr@2: #if (!defined(__SYMBIAN32__) && (!defined(__WINSCW__) || !defined(__WINS__)))
williamr@2: extern FILE *__stdinp;
williamr@2: extern FILE *__stdoutp;
williamr@2: extern FILE *__stderrp;
williamr@2: #endif //EMULATOR
williamr@2: __END_DECLS
williamr@2: #define	_STDSTREAM_DECLARED
williamr@2: #endif
williamr@2: 
williamr@2: #define	__SLBF	0x0001		/* line buffered */
williamr@2: #define	__SNBF	0x0002		/* unbuffered */
williamr@2: #define	__SRD	0x0004		/* OK to read */
williamr@2: #define	__SWR	0x0008		/* OK to write */
williamr@2: 	/* RD and WR are never simultaneously asserted */
williamr@2: #define	__SRW	0x0010		/* open for reading & writing */
williamr@2: #define	__SEOF	0x0020		/* found EOF */
williamr@2: #define	__SERR	0x0040		/* found error */
williamr@2: #define	__SMBF	0x0080		/* _buf is from malloc */
williamr@2: #define	__SAPP	0x0100		/* fdopen()ed in append mode */
williamr@2: #define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
williamr@2: #define	__SOPT	0x0400		/* do fseek() optimization */
williamr@2: #define	__SNPT	0x0800		/* do not do fseek() optimization */
williamr@2: #define	__SOFF	0x1000		/* set iff _offset is in fact correct */
williamr@2: #define	__SMOD	0x2000		/* true => fgetln modified _p text */
williamr@2: #define	__SALC	0x4000		/* allocate string space dynamically */
williamr@2: #define	__SIGN	0x8000		/* ignore this file in _fwalk */
williamr@2: 
williamr@2: /*
williamr@2:  * The following three definitions are for ANSI C, which took them
williamr@2:  * from System V, which brilliantly took internal interface macros and
williamr@2:  * made them official arguments to setvbuf(), without renaming them.
williamr@2:  * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
williamr@2:  *
williamr@2:  * Although numbered as their counterparts above, the implementation
williamr@2:  * does not rely on this.
williamr@2:  */
williamr@2: #define	_IOFBF	0		/* setvbuf should set fully buffered */
williamr@2: #define	_IOLBF	1		/* setvbuf should set line buffered */
williamr@2: #define	_IONBF	2		/* setvbuf should set unbuffered */
williamr@2: 
williamr@2: #define	BUFSIZ	1024		/* size of buffer used by setbuf */
williamr@2: #define	EOF	(-1)
williamr@2: 
williamr@2: /*
williamr@2:  * FOPEN_MAX is a minimum maximum, and is the number of streams that
williamr@2:  * stdio can provide without attempting to allocate further resources
williamr@2:  * (which could fail).  Do not use this for anything.
williamr@2:  */
williamr@2: 				/* must be == _POSIX_STREAM_MAX <limits.h> */
williamr@2: #define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
williamr@2: #else
williamr@2: #define	FILENAME_MAX	256	/* must be <= PATH_MAX <sys/syslimits.h> */
williamr@2: #endif /* __SYMBIAN32__ */
williamr@2: 
williamr@2: /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
williamr@2: #if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
williamr@2: #define GET_WSD_VAR_NAME(var,varprefix) 	_##varprefix##_##var
williamr@2: char **GET_WSD_VAR_NAME(tmpdirptr, g)();
williamr@2: #define __tmpdirptr (*GET_WSD_VAR_NAME(tmpdirptr, g)())
williamr@2: #else
williamr@2: extern char* __tmpdirptr;
williamr@2: #endif 
williamr@2: 
williamr@2: #if __XSI_VISIBLE
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	P_tmpdir	"/var/tmp/"
williamr@2: #else
williamr@2: #define	P_tmpdir	(tmpdirname())
williamr@2: #define WIDEP_tmpdir   (tmpdirname())
williamr@2: #endif //__SYMBIAN32__
williamr@2: #endif
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
williamr@2: #else
williamr@2: #define	L_tmpnam	256	/* XXX must be == PATH_MAX */
williamr@2: #endif /* __SYMBIAN32__ */
williamr@2: #define	TMP_MAX		308915776
williamr@2: 
williamr@2: #ifndef SEEK_SET
williamr@2: #define	SEEK_SET	0	/* set file offset to offset */
williamr@2: #endif
williamr@2: #ifndef SEEK_CUR
williamr@2: #define	SEEK_CUR	1	/* set file offset to current plus offset */
williamr@2: #endif
williamr@2: #ifndef SEEK_END
williamr@2: #define	SEEK_END	2	/* set file offset to EOF plus offset */
williamr@2: #endif
williamr@2: 
williamr@2: #if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
williamr@2: 
williamr@2: #define GET_WSD_VAR_NAME(var,varprefix) 	_##varprefix##_##var
williamr@2: 
williamr@2: FILE **GET_WSD_VAR_NAME(__stdinp, g)();
williamr@2: FILE **GET_WSD_VAR_NAME(__stdoutp, g)();
williamr@2: FILE **GET_WSD_VAR_NAME(__stderrp, g)();
williamr@2: 
williamr@2: #define __stdinp   (*GET_WSD_VAR_NAME(__stdinp, g)())
williamr@2: #define __stdoutp (*GET_WSD_VAR_NAME(__stdoutp, g)())
williamr@2: #define __stderrp (*GET_WSD_VAR_NAME(__stderrp, g)())
williamr@2: #endif //EMULATOR
williamr@2: 
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	stdin	__stdinp
williamr@2: #define	stdout	__stdoutp
williamr@2: #define	stderr	__stderrp
williamr@2: #else
williamr@2: __BEGIN_DECLS
williamr@2: IMPORT_C FILE *__stdin  (void);
williamr@2: IMPORT_C FILE *__stdout (void);
williamr@2: IMPORT_C FILE *__stderr (void);
williamr@2: IMPORT_C char * tmpdirname(void);
williamr@2: __END_DECLS
williamr@2: #define stdin 	  (__stdin())
williamr@2: #define stdout  (__stdout())
williamr@2: #define stderr  (__stderr())
williamr@2: #endif
williamr@2: 
williamr@2: __BEGIN_DECLS
williamr@2: /*
williamr@2:  * Functions defined in ANSI C standard.
williamr@2:  */
williamr@2: IMPORT_C void	 clearerr(FILE *);
williamr@2: IMPORT_C int	 fclose(FILE *);
williamr@2: IMPORT_C int	 feof(FILE *);
williamr@2: IMPORT_C int	 ferror(FILE *);
williamr@2: IMPORT_C int	 fflush(FILE *);
williamr@2: IMPORT_C int	 fgetc(FILE *);
williamr@2: IMPORT_C int	 fgetpos(FILE * __restrict, fpos_t * __restrict);
williamr@2: IMPORT_C char	*fgets(char * __restrict, int, FILE * __restrict);
williamr@2: IMPORT_C FILE	*fopen(const char * __restrict, const char * __restrict);
williamr@2: IMPORT_C int	 fprintf(FILE * __restrict, const char * __restrict, ...);
williamr@2: IMPORT_C int	 fputc(int, FILE *);
williamr@2: IMPORT_C int	 fputs(const char * __restrict, FILE * __restrict);
williamr@2: IMPORT_C size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
williamr@2: IMPORT_C FILE	*freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
williamr@2: IMPORT_C int	 fscanf(FILE * __restrict, const char * __restrict, ...);
williamr@2: IMPORT_C int	 fseek(FILE *, long, int);
williamr@2: IMPORT_C int	 fsetpos(FILE *, const fpos_t *);
williamr@2: IMPORT_C long	 ftell(FILE *);
williamr@2: IMPORT_C size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
williamr@2: IMPORT_C int	 getc(FILE *);
williamr@2: IMPORT_C int	 getchar(void);
williamr@2: IMPORT_C char	*gets(char *);
williamr@2: IMPORT_C void	 perror(const char *);
williamr@2: IMPORT_C int	 printf(const char * __restrict, ...);
williamr@2: IMPORT_C int	 putc(int, FILE *);
williamr@2: IMPORT_C int	 putchar(int);
williamr@2: IMPORT_C int	 puts(const char *);
williamr@2: IMPORT_C int	 remove(const char *);
williamr@2: IMPORT_C int	 rename(const char *, const char *);
williamr@2: IMPORT_C void	 rewind(FILE *);
williamr@2: IMPORT_C int	 scanf(const char * __restrict, ...);
williamr@2: IMPORT_C void	 setbuf(FILE * __restrict, char * __restrict);
williamr@2: IMPORT_C int	 setvbuf(FILE * __restrict, char * __restrict, int, size_t);
williamr@2: IMPORT_C int	 sprintf(char * __restrict, const char * __restrict, ...);
williamr@2: IMPORT_C int	 sscanf(const char * __restrict, const char * __restrict, ...);
williamr@2: IMPORT_C FILE	*tmpfile(void);
williamr@2: IMPORT_C char	*tmpnam(char *);
williamr@2: IMPORT_C int	 ungetc(int, FILE *);
williamr@2: IMPORT_C int	 vfprintf(FILE * __restrict, const char * __restrict,
williamr@2: 	    va_list);
williamr@2: IMPORT_C int	 vprintf(const char * __restrict, va_list);
williamr@2: IMPORT_C int	 vsprintf(char * __restrict, const char * __restrict,
williamr@2: 	    va_list);
williamr@2: 
williamr@2: #if __ISO_C_VISIBLE >= 1999
williamr@2: IMPORT_C int	 snprintf(char * __restrict, size_t, const char * __restrict,
williamr@2: 	    ...) __printflike(3, 4);
williamr@2: IMPORT_C int	 vfscanf(FILE * __restrict, const char * __restrict, va_list)
williamr@2: 	    __scanflike(2, 0);
williamr@2: IMPORT_C int	 vscanf(const char * __restrict, va_list) __scanflike(1, 0);
williamr@2: IMPORT_C int	 vsnprintf(char * __restrict, size_t, const char * __restrict,
williamr@2: 	    va_list) __printflike(3, 0);
williamr@2: IMPORT_C int	 vsscanf(const char * __restrict, const char * __restrict, va_list)
williamr@2: 	    __scanflike(2, 0);
williamr@2: #endif
williamr@2: 
williamr@2: /*
williamr@2:  * Functions defined in all versions of POSIX 1003.1.
williamr@2:  */
williamr@2: #if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
williamr@2: /* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */
williamr@2: #define	L_cuserid	17	/* legacy */
williamr@2: #endif
williamr@2: 
williamr@2: #if __POSIX_VISIBLE
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	L_ctermid	1024	/* size for ctermid(3); PATH_MAX */
williamr@2: #else
williamr@2: #define	L_ctermid	256	   /* size for ctermid(3); PATH_MAX */
williamr@2: #endif /* __SYMBIAN32__ */
williamr@2: IMPORT_C FILE	*fdopen(int, const char *);
williamr@2: IMPORT_C int	 fileno(FILE *);
williamr@2: IMPORT_C int __sfileno(FILE* p);
williamr@2: #endif /* __POSIX_VISIBLE */
williamr@2: 
williamr@2: #if __POSIX_VISIBLE >= 199209
williamr@2: IMPORT_C int  pclose(FILE *);
williamr@2: IMPORT_C FILE	*popen(const char *, const char *);
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2: IMPORT_C int popen3(const char *file, const char *cmd, char** envp, int fds[3]);
williamr@2: #endif
williamr@2: 
williamr@2: #if __POSIX_VISIBLE >= 199506
williamr@2: IMPORT_C int	 ftrylockfile(FILE *);
williamr@2: IMPORT_C void	 flockfile(FILE *);
williamr@2: IMPORT_C void	 funlockfile(FILE *);
williamr@2: 
williamr@2: /*
williamr@2:  * These are normally used through macros as defined below, but POSIX
williamr@2:  * requires functions as well.
williamr@2:  */
williamr@2: IMPORT_C int	 getc_unlocked(FILE *);
williamr@2: IMPORT_C int	 getchar_unlocked(void);
williamr@2: IMPORT_C int	 putc_unlocked(int, FILE *);
williamr@2: IMPORT_C int	 putchar_unlocked(int);
williamr@2: #endif
williamr@2: 
williamr@2: #if __POSIX_VISIBLE >= 200112
williamr@2: int	 fseeko(FILE *, __off_t, int);
williamr@2: __off_t	 ftello(FILE *);
williamr@2: #endif
williamr@2: 
williamr@2: #if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
williamr@2: IMPORT_C int	 getw(FILE *);
williamr@2: IMPORT_C int	 putw(int, FILE *);
williamr@2: #endif /* BSD or X/Open before issue 6 */
williamr@2: 
williamr@2: #if __XSI_VISIBLE
williamr@2: IMPORT_C char	*tempnam(const char *, const char *);
williamr@2: #endif
williamr@2: 
williamr@2: /*
williamr@2:  * Routines that are purely local.
williamr@2:  */
williamr@2: #if __BSD_VISIBLE
williamr@2: IMPORT_C int	 asprintf(char **, const char *, ...) __printflike(2, 3);
williamr@2: #if __GNUC__ == 2 && __GNUC_MINOR__ >= 7 || __GNUC__ >= 3
williamr@2: #define	__ATTR_FORMAT_ARG	__attribute__((__format_arg__(2)))
williamr@2: #else
williamr@2: #define	__ATTR_FORMAT_ARG
williamr@2: #endif
williamr@2: IMPORT_C void	 setbuffer(FILE *, char *, int);
williamr@2: IMPORT_C int	 setlinebuf(FILE *);
williamr@2: IMPORT_C int	 vasprintf(char **, const char *, va_list)
williamr@2: 	    __printflike(2, 0);
williamr@2: 
williamr@2: #ifndef __SYMBIAN32__
williamr@2: /*
williamr@2:  * The system error table contains messages for the first sys_nerr
williamr@2:  * positive errno values.  Use strerror() or strerror_r() from <string.h>
williamr@2:  * instead.
williamr@2:  */
williamr@2: 
williamr@2: /* Provide the declarations for `sys_errlist' and `sys_nerr' if they
williamr@2:  * are available on this system.  Even if available, these variables
williamr@2:  * should not be used directly.  The `strerror' function provides
williamr@2:  * all the necessary functionality.
williamr@2:  */
williamr@2:  
williamr@2: extern __const int sys_nerr;
williamr@2: extern __const char *__const sys_errlist[];
williamr@2: #endif /* __SYMBIAN32__ */
williamr@2: 
williamr@2: /*
williamr@2:  * Portability hacks.  See <sys/types.h>.
williamr@2:  */
williamr@2: #ifndef _FTRUNCATE_DECLARED
williamr@2: #define	_FTRUNCATE_DECLARED
williamr@2: IMPORT_C int	 ftruncate(int, __off_t);
williamr@2: #endif
williamr@2: #ifndef _LSEEK_DECLARED
williamr@2: #define	_LSEEK_DECLARED
williamr@2: IMPORT_C __off_t	 lseek(int, __off_t, int);
williamr@2: #endif
williamr@2: #ifndef _MMAP_DECLARED
williamr@2: #define	_MMAP_DECLARED
williamr@2: IMPORT_C void	*mmap(void *, size_t, int, int, int, __off_t);
williamr@2: #endif
williamr@2: #ifndef _TRUNCATE_DECLARED
williamr@2: #define	_TRUNCATE_DECLARED
williamr@2: IMPORT_C int	 truncate(const char *, __off_t);
williamr@2: #endif
williamr@2: #endif /* __BSD_VISIBLE */
williamr@2: 
williamr@2: #ifdef __SYMBIAN32__
williamr@2: IMPORT_C int setecho(int fd, uint8_t echoval);
williamr@2: #endif
williamr@2: 
williamr@2: /*
williamr@2:  * Functions internal to the implementation.
williamr@2:  */
williamr@2: #ifdef __SYMBIAN32__
williamr@2: IMPORT_C int	__srget(FILE *);
williamr@2: IMPORT_C int	__swbuf(int, FILE *);
williamr@2: #else
williamr@2: int	__srget(FILE *);
williamr@2: int	__swbuf(int, FILE *);
williamr@2: #endif /*__SYMBIAN32__ */
williamr@2: 
williamr@2: /*
williamr@2:  * The __sfoo macros are here so that we can
williamr@2:  * define function versions in the C library.
williamr@2:  */
williamr@2: #define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
williamr@2: #if defined(__GNUC__) && defined(__STDC__)
williamr@2: static __inline int __sputc(int _c, FILE *_p) {
williamr@2: 	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
williamr@2: 		return (*_p->_p++ = _c);
williamr@2: 	else
williamr@2: 		return (__swbuf(_c, _p));
williamr@2: }
williamr@2: #else
williamr@2: /*
williamr@2:  * This has been tuned to generate reasonable code on the vax using pcc.
williamr@2:  */
williamr@2: #define	__sputc(c, p) \
williamr@2: 	(--(p)->_w < 0 ? \
williamr@2: 		(p)->_w >= (p)->_lbfsize ? \
williamr@2: 			(*(p)->_p = (c)), *(p)->_p != '\n' ? \
williamr@2: 				(int)*(p)->_p++ : \
williamr@2: 				__swbuf('\n', p) : \
williamr@2: 			__swbuf((int)(c), p) : \
williamr@2: 		(*(p)->_p = (c), (int)*(p)->_p++))
williamr@2: #endif
williamr@2: 
williamr@2: #define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
williamr@2: #define	__sferror(p)	(((p)->_flags & __SERR) != 0)
williamr@2: #define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
williamr@2: 
williamr@2: #ifndef __SYMBIAN32__
williamr@2: extern int __isthreaded;
williamr@2: 
williamr@2: #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
williamr@2: #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
williamr@2: #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
williamr@2: 
williamr@2: #if __POSIX_VISIBLE
williamr@2: #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
williamr@2: #endif
williamr@2: 
williamr@2: #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
williamr@2: #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
williamr@2: 
williamr@2: #define	getchar()	getc(stdin)
williamr@2: #define	putchar(x)	putc(x, stdout)
williamr@2: 
williamr@2: #else
williamr@2: IMPORT_C int* isthreaded(void);
williamr@2: #define	__isthreaded	(*isthreaded())
williamr@2: 
williamr@2: #define	feof(p)		(!__isthreaded ? __sfeof(p) : (feof)(p))
williamr@2: #define	ferror(p)	(!__isthreaded ? __sferror(p) : (ferror)(p))
williamr@2: #define	clearerr(p)	(!__isthreaded ? __sclearerr(p) : (clearerr)(p))
williamr@2: 
williamr@2: #if __POSIX_VISIBLE
williamr@2: #define	fileno(p)	(!__isthreaded ? __sfileno(p) : (fileno)(p))
williamr@2: #endif
williamr@2: 
williamr@2: #define	getc(fp)	(!__isthreaded ? __sgetc(fp) : (getc)(fp))
williamr@2: #define	putc(x, fp)	(!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
williamr@2: 
williamr@2: #define	getchar()	getc(stdin)
williamr@2: #define	putchar(x)	putc(x, stdout)
williamr@2: #endif //__SYMBIAN32__
williamr@2: 
williamr@2: 
williamr@2: #if __POSIX_VISIBLE >= 199506
williamr@2: #ifndef __SYMBIAN32__
williamr@2: #define	getc_unlocked(fp)	__sgetc(fp)
williamr@2: #define	putc_unlocked(x, fp)	__sputc(x, fp)
williamr@2: 
williamr@2: #define	getchar_unlocked()	getc_unlocked(stdin)
williamr@2: #define	putchar_unlocked(x)	putc_unlocked(x, stdout)
williamr@2: #endif
williamr@2: #endif
williamr@2: 
williamr@2: //---
williamr@2: #ifdef __cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: //---
williamr@2: 
williamr@2: __END_DECLS
williamr@2: #endif /* !_STDIO_H_ */