include/stdio.h

/*
 * stdio.h
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is a part of the mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER within the package.
 *
 * Definitions of types and prototypes of functions for standard input and
 * output.
 *
 */

#ifndef _STDIO_H_
#define	_STDIO_H_

/* All the headers include this file. */
#include <_mingw.h>

#ifndef RC_INVOKED
#define __need_size_t
#define __need_NULL
#define __need_wchar_t
#define	__need_wint_t
#include <stddef.h>
#define __need___va_list
#include <stdarg.h>
#endif	/* Not RC_INVOKED */


/* Flags for the iobuf structure  */
#define	_IOREAD	1 /* currently reading */
#define	_IOWRT	2 /* currently writing */
#define	_IORW	0x0080 /* opened as "r+w" */

#ifndef _UNISTD_H
/*
 * The three standard file descriptors provided by the run time library.
 * NOTE: These will go to the bit-bucket silently in GUI applications!
 */
#define	STDIN_FILENO	0
#define	STDOUT_FILENO	1
#define	STDERR_FILENO	2
#endif

/* Returned by various functions on end of file condition or error. */
#define	EOF	(-1)

/*
 * The maximum length of a file name. You should use GetVolumeInformation
 * instead of this constant. But hey, this works.
 * Also defined in io.h.
 */
#ifndef FILENAME_MAX
#define	FILENAME_MAX	(260)
#endif

#define _IOFBF    0x0000  /* full buffered */
#define _IOLBF    0x0040  /* line buffered */
#define _IONBF    0x0004  /* not buffered */

#define _IOMYBUF  0x0008  /* stdio malloc()'d buffer */
#define _IOEOF    0x0010  /* EOF reached on read */
#define _IOERR    0x0020  /* I/O error from system */
#define _IOSTRG   0x0040  /* Strange or no file descriptor */
#ifdef _POSIX_SOURCE
# define _IOAPPEND 0x0200
#endif
/*
 * The buffer size as used by setbuf such that it is equivalent to
 * (void) setvbuf(fileSetBuffer, caBuffer, _IOFBF, BUFSIZ).
 */
#define	BUFSIZ	512

/* Constants for nOrigin indicating the position relative to which fseek
 * sets the file position.  Defined unconditionally since ISO and POSIX
 * say they are defined here.  */
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2

#ifndef	RC_INVOKED

#ifndef __VALIST
#ifdef __GNUC__
#define __VALIST __gnuc_va_list
#else
#define __VALIST char*
#endif
#endif /* defined __VALIST  */

/*
 * The structure underlying the FILE type.
 *
 * Some believe that nobody in their right mind should make use of the
 * internals of this structure. Provided by Pedro A. Aranda Gutiirrez
 * <paag@tid.es>.
 */
#ifndef _FILE_DEFINED
#define	_FILE_DEFINED
typedef struct _iobuf
{
	char*	_ptr;
	int	_cnt;
	char*	_base;
	int	_flag;
	int	_file;
	int	_charbuf;
	int	_bufsiz;
	char*	_tmpfname;
} FILE;
#endif	/* Not _FILE_DEFINED */

__MINGW_IMPORT FILE _iob[];	/* An array of FILE imported from DLL. */

#define stdin (_iob)
#define stdout (_iob+1)
#define stderr (_iob+2)

#ifdef __cplusplus
extern "C" {
#endif

/*
 * File Operations
 */
_CRTIMP FILE* __cdecl __MINGW_NOTHROW fopen (const char*, const char*);
_CRTIMP FILE* __cdecl __MINGW_NOTHROW	freopen (const char*, const char*, FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fflush (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fclose (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	remove (const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	rename (const char*, const char*);
_CRTIMP FILE* __cdecl __MINGW_NOTHROW	tmpfile (void);
_CRTIMP char* __cdecl __MINGW_NOTHROW	tmpnam (char*);
_CRTIMP char* __cdecl __MINGW_NOTHROW	tempnam (const char*, const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	rmtmp(void);
_CRTIMP int __cdecl __MINGW_NOTHROW	unlink (const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	setvbuf (FILE*, char*, int, size_t);
_CRTIMP void __cdecl __MINGW_NOTHROW	setbuf (FILE*, char*);

/*
 * Formatted Output
 */

_CRTIMP int __cdecl __MINGW_NOTHROW	fprintf (FILE*, const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	printf (const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	sprintf (char*, const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	_snprintf (char*, size_t, const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	vfprintf (FILE*, const char*, __VALIST);
_CRTIMP int __cdecl __MINGW_NOTHROW	vprintf (const char*, __VALIST);
_CRTIMP int __cdecl __MINGW_NOTHROW	vsprintf (char*, const char*, __VALIST);
_CRTIMP int __cdecl __MINGW_NOTHROW	_vsnprintf (char*, size_t, const char*, __VALIST);

/*
 * Formatted Input
 */

_CRTIMP int __cdecl __MINGW_NOTHROW	fscanf (FILE*, const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	scanf (const char*, ...);
_CRTIMP int __cdecl __MINGW_NOTHROW	sscanf (const char*, const char*, ...);

/*
 * Character Input and Output Functions
 */

_CRTIMP int __cdecl __MINGW_NOTHROW	fgetc (FILE*);
_CRTIMP char* __cdecl __MINGW_NOTHROW	fgets (char*, int, FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fputc (int, FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fputs (const char*, FILE*);
_CRTIMP char* __cdecl __MINGW_NOTHROW	gets (char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	puts (const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	ungetc (int, FILE*);

/* Traditionally, getc and putc are defined as macros. but the
   standard doesn't say that they must be macros.
   We use inline functions here to allow the fast versions
   to be used in C++ with namespace qualification, eg., ::getc.

   _filbuf and _flsbuf  are not thread-safe. */
_CRTIMP int __cdecl __MINGW_NOTHROW	_filbuf (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	_flsbuf (int, FILE*);

//#if !defined _MT
#if 0

__CRT_INLINE int __cdecl __MINGW_NOTHROW getc (FILE* __F)
{
  return (--__F->_cnt >= 0)
    ?  (int) (unsigned char) *__F->_ptr++
    : _filbuf (__F);
}

__CRT_INLINE int __cdecl __MINGW_NOTHROW putc (int __c, FILE* __F)
{
  return (--__F->_cnt >= 0)
    ?  (int) (unsigned char) (*__F->_ptr++ = (char)__c)
    :  _flsbuf (__c, __F);
}

__CRT_INLINE int __cdecl __MINGW_NOTHROW getchar (void)
{
  return (--stdin->_cnt >= 0)
    ?  (int) (unsigned char) *stdin->_ptr++
    : _filbuf (stdin);
}

__CRT_INLINE int __cdecl __MINGW_NOTHROW putchar(int __c)
{
  return (--stdout->_cnt >= 0)
    ?  (int) (unsigned char) (*stdout->_ptr++ = (char)__c)
    :  _flsbuf (__c, stdout);}

#else  /* Use library functions.  */

_CRTIMP int __cdecl __MINGW_NOTHROW	getc (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	putc (int, FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	getchar (void);
_CRTIMP int __cdecl __MINGW_NOTHROW	putchar (int);

#endif

/*
 * Direct Input and Output Functions
 */

_CRTIMP size_t __cdecl __MINGW_NOTHROW	fread (void*, size_t, size_t, FILE*);
_CRTIMP size_t __cdecl __MINGW_NOTHROW	fwrite (const void*, size_t, size_t, FILE*);

/*
 * File Positioning Functions
 */

_CRTIMP int __cdecl __MINGW_NOTHROW	fseek (FILE*, long, int);
_CRTIMP long __cdecl __MINGW_NOTHROW	ftell (FILE*);
_CRTIMP void __cdecl __MINGW_NOTHROW	rewind (FILE*);

/*
 * An opaque data type used for storing file positions... The contents of
 * this type are unknown, but we (the compiler) need to know the size
 * because the programmer using fgetpos and fsetpos will be setting aside
 * storage for fpos_t structres. Actually I tested using a byte array and
 * it is fairly evident that the fpos_t type is a long (in CRTDLL.DLL).
 * Perhaps an unsigned long? TODO? It's definitely a 64-bit number in
 * MSVCRT however, and for now `long long' will do.
 */
#ifdef __MSVCRT__
typedef long long fpos_t;
#else
typedef long	fpos_t;
#endif

_CRTIMP int __cdecl __MINGW_NOTHROW	fgetpos	(FILE*, fpos_t*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fsetpos (FILE*, const fpos_t*);

/*
 * Error Functions
 */

_CRTIMP int __cdecl __MINGW_NOTHROW	feof (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	ferror (FILE*);

#ifdef __cplusplus
inline int __cdecl __MINGW_NOTHROW feof (FILE* __F)
  { return __F->_flag & _IOEOF; }
inline int __cdecl __MINGW_NOTHROW ferror (FILE* __F)
  { return __F->_flag & _IOERR; }
#else
#define feof(__F)     ((__F)->_flag & _IOEOF)
#define ferror(__F)   ((__F)->_flag & _IOERR)
#endif

_CRTIMP void __cdecl __MINGW_NOTHROW	clearerr (FILE*);
_CRTIMP void __cdecl __MINGW_NOTHROW	perror (const char*);


#ifndef __STRICT_ANSI__
/*
 * Pipes
 */
_CRTIMP FILE* __cdecl __MINGW_NOTHROW	_popen (const char*, const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	_pclose (FILE*);

#ifndef NO_OLDNAMES
_CRTIMP FILE* __cdecl __MINGW_NOTHROW	popen (const char*, const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	pclose (FILE*);
#endif

/*
 * Other Non ANSI functions
 */
_CRTIMP int __cdecl __MINGW_NOTHROW	_flushall (void);
_CRTIMP int __cdecl __MINGW_NOTHROW	_fgetchar (void);
_CRTIMP int __cdecl __MINGW_NOTHROW	_fputchar (int);
_CRTIMP int __cdecl __MINGW_NOTHROW	_fileno (FILE*);
_CRTIMP int __cdecl __MINGW_NOTHROW	_fcloseall(void);
_CRTIMP FILE* __cdecl __MINGW_NOTHROW	_fsopen(const char*, const char*, int);

_CRTIMP FILE* __cdecl __MINGW_NOTHROW	fdopen (int, const char*);
_CRTIMP int __cdecl __MINGW_NOTHROW	fileno (FILE*);

//#define _fileno(__F) ((__F)->_file)

#endif	/* Not __STRICT_ANSI__ */

#ifdef __cplusplus
}
#endif

#endif	/* Not RC_INVOKED */

#endif /* _STDIO_H_ */