525 lines
17 KiB
C
525 lines
17 KiB
C
/*
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* stdio.h
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is a part of the mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER within the package.
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*
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* Definitions of types and prototypes of functions for standard input and
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* output.
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*
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* NOTE: The file manipulation functions provided by Microsoft seem to
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* work with either slash (/) or backslash (\) as the directory separator.
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*
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*/
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#ifndef _STDIO_H_
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#define _STDIO_H_
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/* All the headers include this file. */
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#include <_mingw.h>
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#ifndef RC_INVOKED
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#define __need_size_t
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#define __need_NULL
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#define __need_wchar_t
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#define __need_wint_t
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#include <stddef.h>
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#define __need___va_list
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#include <stdarg.h>
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#endif /* Not RC_INVOKED */
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/* Flags for the iobuf structure */
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#define _IOREAD 1 /* currently reading */
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#define _IOWRT 2 /* currently writing */
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#define _IORW 0x0080 /* opened as "r+w" */
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/*
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* The three standard file pointers provided by the run time library.
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* NOTE: These will go to the bit-bucket silently in GUI applications!
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*/
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/* Returned by various functions on end of file condition or error. */
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#define EOF (-1)
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/*
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* The maximum length of a file name. You should use GetVolumeInformation
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* instead of this constant. But hey, this works.
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* Also defined in io.h.
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*/
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#ifndef FILENAME_MAX
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#define FILENAME_MAX (260)
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#endif
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/*
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* The maximum number of files that may be open at once. I have set this to
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* a conservative number. The actual value may be higher.
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*/
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#define FOPEN_MAX (20)
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/* After creating this many names, tmpnam and tmpfile return NULL */
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#define TMP_MAX 32767
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/*
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* Tmpnam, tmpfile and, sometimes, _tempnam try to create
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* temp files in the root directory of the current drive
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* (not in pwd, as suggested by some older MS doc's).
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* Redefining these macros does not effect the CRT functions.
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*/
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#define _P_tmpdir "\\"
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#ifndef __STRICT_ANSI__
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#define P_tmpdir _P_tmpdir
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#endif
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#define _wP_tmpdir L"\\"
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/*
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* The maximum size of name (including NUL) that will be put in the user
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* supplied buffer caName for tmpnam.
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* Inferred from the size of the static buffer returned by tmpnam
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* when passed a NULL argument. May actually be smaller.
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*/
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#define L_tmpnam (16)
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#define _IOFBF 0x0000 /* full buffered */
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#define _IOLBF 0x0040 /* line buffered */
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#define _IONBF 0x0004 /* not buffered */
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#define _IOMYBUF 0x0008 /* stdio malloc()'d buffer */
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#define _IOEOF 0x0010 /* EOF reached on read */
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#define _IOERR 0x0020 /* I/O error from system */
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#define _IOSTRG 0x0040 /* Strange or no file descriptor */
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#ifdef _POSIX_SOURCE
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# define _IOAPPEND 0x0200
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#endif
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/*
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* The buffer size as used by setbuf such that it is equivalent to
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* (void) setvbuf(fileSetBuffer, caBuffer, _IOFBF, BUFSIZ).
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*/
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#define BUFSIZ 512
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/* Constants for nOrigin indicating the position relative to which fseek
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* sets the file position. Defined unconditionally since ISO and POSIX
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* say they are defined here. */
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#ifndef RC_INVOKED
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#ifndef __VALIST
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#ifdef __GNUC__
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#define __VALIST __gnuc_va_list
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#else
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#define __VALIST char*
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#endif
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#endif /* defined __VALIST */
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/*
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* The structure underlying the FILE type.
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*
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* Some believe that nobody in their right mind should make use of the
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* internals of this structure. Provided by Pedro A. Aranda Gutiirrez
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* <paag@tid.es>.
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*/
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#ifndef _FILE_DEFINED
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#define _FILE_DEFINED
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typedef struct _iobuf
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{
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char* _ptr;
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int _cnt;
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char* _base;
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int _flag;
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int _file;
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int _charbuf;
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int _bufsiz;
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char* _tmpfname;
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} FILE;
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#endif /* Not _FILE_DEFINED */
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/*
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* The standard file handles
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*/
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#ifndef __DECLSPEC_SUPPORTED
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extern FILE (*_imp___iob)[]; /* A pointer to an array of FILE */
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#define _iob (*_imp___iob) /* An array of FILE */
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#else /* __DECLSPEC_SUPPORTED */
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__MINGW_IMPORT FILE _iob[]; /* An array of FILE imported from DLL. */
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#endif /* __DECLSPEC_SUPPORTED */
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#define stdin (&_iob[STDIN_FILENO])
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#define stdout (&_iob[STDOUT_FILENO])
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#define stderr (&_iob[STDERR_FILENO])
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* File Operations
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*/
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW fopen (const char*, const char*);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW freopen (const char*, const char*, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fflush (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fclose (FILE*);
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/* MS puts remove & rename (but not wide versions) in io.h also */
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_CRTIMP int __cdecl __MINGW_NOTHROW remove (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW rename (const char*, const char*);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW tmpfile (void);
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_CRTIMP char* __cdecl __MINGW_NOTHROW tmpnam (char*);
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#ifndef __STRICT_ANSI__
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_CRTIMP char* __cdecl __MINGW_NOTHROW _tempnam (const char*, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _rmtmp(void);
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_CRTIMP int __cdecl __MINGW_NOTHROW _unlink (const char*);
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#ifndef NO_OLDNAMES
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_CRTIMP char* __cdecl __MINGW_NOTHROW tempnam (const char*, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW rmtmp(void);
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_CRTIMP int __cdecl __MINGW_NOTHROW unlink (const char*);
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#endif
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#endif /* __STRICT_ANSI__ */
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_CRTIMP int __cdecl __MINGW_NOTHROW setvbuf (FILE*, char*, int, size_t);
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_CRTIMP void __cdecl __MINGW_NOTHROW setbuf (FILE*, char*);
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/*
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* Formatted Output
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW fprintf (FILE*, const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW printf (const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW sprintf (char*, const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW _snprintf (char*, size_t, const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW vfprintf (FILE*, const char*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW vprintf (const char*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW vsprintf (char*, const char*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW _vsnprintf (char*, size_t, const char*, __VALIST);
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#ifndef __NO_ISOCEXT /* externs in libmingwex.a */
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/*
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* Microsoft does not provide implementations for the following,
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* which are required by C99. Note in particular that the corresponding
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* Microsoft implementations of _snprintf() and _vsnprintf() are *not*
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* compatible with C99, but the following are; if you want the MSVCRT
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* behaviour, you *must* use the Microsoft uglified names.
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*/
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int __cdecl __MINGW_NOTHROW snprintf(char *, size_t, const char *, ...);
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int __cdecl __MINGW_NOTHROW vsnprintf (char *, size_t, const char *, __VALIST);
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int __cdecl __MINGW_NOTHROW vscanf (const char * __restrict__, __VALIST);
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int __cdecl __MINGW_NOTHROW vfscanf (FILE * __restrict__, const char * __restrict__,
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__VALIST);
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int __cdecl __MINGW_NOTHROW vsscanf (const char * __restrict__,
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const char * __restrict__, __VALIST);
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#endif /* !__NO_ISOCEXT */
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/*
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* Formatted Input
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW fscanf (FILE*, const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW scanf (const char*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW sscanf (const char*, const char*, ...);
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/*
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* Character Input and Output Functions
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW fgetc (FILE*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW fgets (char*, int, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fputc (int, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fputs (const char*, FILE*);
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_CRTIMP char* __cdecl __MINGW_NOTHROW gets (char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW puts (const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW ungetc (int, FILE*);
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/* Traditionally, getc and putc are defined as macros. but the
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standard doesn't say that they must be macros.
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We use inline functions here to allow the fast versions
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to be used in C++ with namespace qualification, eg., ::getc.
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_filbuf and _flsbuf are not thread-safe. */
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_CRTIMP int __cdecl __MINGW_NOTHROW _filbuf (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _flsbuf (int, FILE*);
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#if !defined _MT
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__CRT_INLINE int __cdecl __MINGW_NOTHROW getc (FILE* __F)
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{
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return (--__F->_cnt >= 0)
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? (int) (unsigned char) *__F->_ptr++
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: _filbuf (__F);
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}
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__CRT_INLINE int __cdecl __MINGW_NOTHROW putc (int __c, FILE* __F)
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{
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return (--__F->_cnt >= 0)
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? (int) (unsigned char) (*__F->_ptr++ = (char)__c)
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: _flsbuf (__c, __F);
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}
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__CRT_INLINE int __cdecl __MINGW_NOTHROW getchar (void)
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{
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return (--stdin->_cnt >= 0)
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? (int) (unsigned char) *stdin->_ptr++
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: _filbuf (stdin);
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}
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__CRT_INLINE int __cdecl __MINGW_NOTHROW putchar(int __c)
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{
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return (--stdout->_cnt >= 0)
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? (int) (unsigned char) (*stdout->_ptr++ = (char)__c)
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: _flsbuf (__c, stdout);}
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#else /* Use library functions. */
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_CRTIMP int __cdecl __MINGW_NOTHROW getc (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW putc (int, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW getchar (void);
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_CRTIMP int __cdecl __MINGW_NOTHROW putchar (int);
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#endif
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/*
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* Direct Input and Output Functions
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*/
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_CRTIMP size_t __cdecl __MINGW_NOTHROW fread (void*, size_t, size_t, FILE*);
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_CRTIMP size_t __cdecl __MINGW_NOTHROW fwrite (const void*, size_t, size_t, FILE*);
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/*
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* File Positioning Functions
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW fseek (FILE*, long, int);
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_CRTIMP long __cdecl __MINGW_NOTHROW ftell (FILE*);
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_CRTIMP void __cdecl __MINGW_NOTHROW rewind (FILE*);
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#if __MSVCRT_VERSION__ >= 0x800
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_CRTIMP int __cdecl __MINGW_NOTHROW _fseek_nolock (FILE*, long, int);
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_CRTIMP long __cdecl __MINGW_NOTHROW _ftell_nolock (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fseeki64 (FILE*, __int64, int);
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_CRTIMP __int64 __cdecl __MINGW_NOTHROW _ftelli64 (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fseeki64_nolock (FILE*, __int64, int);
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_CRTIMP __int64 __cdecl __MINGW_NOTHROW _ftelli64_nolock (FILE*);
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#endif
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#ifdef __USE_MINGW_FSEEK /* These are in libmingwex.a */
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/*
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* Workaround for limitations on win9x where a file contents are
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* not zero'd out if you seek past the end and then write.
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*/
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int __cdecl __MINGW_NOTHROW __mingw_fseek (FILE *, long, int);
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size_t __cdecl __MINGW_NOTHROW __mingw_fwrite (const void*, size_t, size_t, FILE*);
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#define fseek(fp, offset, whence) __mingw_fseek(fp, offset, whence)
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#define fwrite(buffer, size, count, fp) __mingw_fwrite(buffer, size, count, fp)
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#endif /* __USE_MINGW_FSEEK */
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/*
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* An opaque data type used for storing file positions... The contents of
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* this type are unknown, but we (the compiler) need to know the size
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* because the programmer using fgetpos and fsetpos will be setting aside
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* storage for fpos_t structres. Actually I tested using a byte array and
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* it is fairly evident that the fpos_t type is a long (in CRTDLL.DLL).
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* Perhaps an unsigned long? TODO? It's definitely a 64-bit number in
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* MSVCRT however, and for now `long long' will do.
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*/
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#ifdef __MSVCRT__
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typedef long long fpos_t;
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#else
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typedef long fpos_t;
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#endif
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_CRTIMP int __cdecl __MINGW_NOTHROW fgetpos (FILE*, fpos_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fsetpos (FILE*, const fpos_t*);
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/*
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* Error Functions
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW feof (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW ferror (FILE*);
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#ifdef __cplusplus
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inline int __cdecl __MINGW_NOTHROW feof (FILE* __F)
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{ return __F->_flag & _IOEOF; }
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inline int __cdecl __MINGW_NOTHROW ferror (FILE* __F)
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{ return __F->_flag & _IOERR; }
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#else
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#define feof(__F) ((__F)->_flag & _IOEOF)
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#define ferror(__F) ((__F)->_flag & _IOERR)
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#endif
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_CRTIMP void __cdecl __MINGW_NOTHROW clearerr (FILE*);
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_CRTIMP void __cdecl __MINGW_NOTHROW perror (const char*);
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#ifndef __STRICT_ANSI__
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/*
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* Pipes
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*/
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _popen (const char*, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _pclose (FILE*);
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#ifndef NO_OLDNAMES
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW popen (const char*, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW pclose (FILE*);
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#endif
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/*
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* Other Non ANSI functions
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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW _flushall (void);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fgetchar (void);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fputchar (int);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _fdopen (int, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fileno (FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _fcloseall(void);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _fsopen(const char*, const char*, int);
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#ifdef __MSVCRT__
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_CRTIMP int __cdecl __MINGW_NOTHROW _getmaxstdio(void);
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_CRTIMP int __cdecl __MINGW_NOTHROW _setmaxstdio(int);
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#endif
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#if __MSVCRT_VERSION__ >= 0x800
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_CRTIMP int __cdecl __MINGW_NOTHROW _set_printf_count_output(int);
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_CRTIMP int __cdecl __MINGW_NOTHROW _get_printf_count_output(void);
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#endif
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#ifndef _NO_OLDNAMES
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_CRTIMP int __cdecl __MINGW_NOTHROW fgetchar (void);
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_CRTIMP int __cdecl __MINGW_NOTHROW fputchar (int);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW fdopen (int, const char*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fileno (FILE*);
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#endif /* Not _NO_OLDNAMES */
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#define _fileno(__F) ((__F)->_file)
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#ifndef _NO_OLDNAMES
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#define fileno(__F) ((__F)->_file)
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#endif
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#if defined (__MSVCRT__) && !defined (__NO_MINGW_LFS)
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#include <sys/types.h>
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__CRT_INLINE FILE* __cdecl __MINGW_NOTHROW fopen64 (const char* filename, const char* mode)
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{
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return fopen (filename, mode);
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}
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int __cdecl __MINGW_NOTHROW fseeko64 (FILE*, off64_t, int);
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#ifdef __USE_MINGW_FSEEK
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int __cdecl __MINGW_NOTHROW __mingw_fseeko64 (FILE *, off64_t, int);
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#define fseeko64(fp, offset, whence) __mingw_fseeko64(fp, offset, whence)
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#endif
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__CRT_INLINE off64_t __cdecl __MINGW_NOTHROW ftello64 (FILE * stream)
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{
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fpos_t pos;
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if (fgetpos(stream, &pos))
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return -1LL;
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else
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return ((off64_t) pos);
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}
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#endif /* __NO_MINGW_LFS */
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#endif /* Not __STRICT_ANSI__ */
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/* Wide versions */
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#ifndef _WSTDIO_DEFINED
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/* also in wchar.h - keep in sync */
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_CRTIMP int __cdecl __MINGW_NOTHROW fwprintf (FILE*, const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW wprintf (const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW swprintf (wchar_t*, const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW _snwprintf (wchar_t*, size_t, const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW vfwprintf (FILE*, const wchar_t*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW vwprintf (const wchar_t*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW vswprintf (wchar_t*, const wchar_t*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW _vsnwprintf (wchar_t*, size_t, const wchar_t*, __VALIST);
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_CRTIMP int __cdecl __MINGW_NOTHROW fwscanf (FILE*, const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW wscanf (const wchar_t*, ...);
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_CRTIMP int __cdecl __MINGW_NOTHROW swscanf (const wchar_t*, const wchar_t*, ...);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW fgetwc (FILE*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW fputwc (wchar_t, FILE*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW ungetwc (wchar_t, FILE*);
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#ifdef __MSVCRT__
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_CRTIMP wchar_t* __cdecl __MINGW_NOTHROW fgetws (wchar_t*, int, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW fputws (const wchar_t*, FILE*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW getwc (FILE*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW getwchar (void);
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_CRTIMP wchar_t* __cdecl __MINGW_NOTHROW _getws (wchar_t*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW putwc (wint_t, FILE*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _putws (const wchar_t*);
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_CRTIMP wint_t __cdecl __MINGW_NOTHROW putwchar (wint_t);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _wfdopen(int, wchar_t *);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _wfopen (const wchar_t*, const wchar_t*);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _wfreopen (const wchar_t*, const wchar_t*, FILE*);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _wfsopen (const wchar_t*, const wchar_t*, int);
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_CRTIMP wchar_t* __cdecl __MINGW_NOTHROW _wtmpnam (wchar_t*);
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_CRTIMP wchar_t* __cdecl __MINGW_NOTHROW _wtempnam (const wchar_t*, const wchar_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wrename (const wchar_t*, const wchar_t*);
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_CRTIMP int __cdecl __MINGW_NOTHROW _wremove (const wchar_t*);
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_CRTIMP void __cdecl __MINGW_NOTHROW _wperror (const wchar_t*);
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_CRTIMP FILE* __cdecl __MINGW_NOTHROW _wpopen (const wchar_t*, const wchar_t*);
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#endif /* __MSVCRT__ */
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#ifndef __NO_ISOCEXT /* externs in libmingwex.a */
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int __cdecl __MINGW_NOTHROW snwprintf (wchar_t* s, size_t n, const wchar_t* format, ...);
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__CRT_INLINE int __cdecl __MINGW_NOTHROW
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vsnwprintf (wchar_t* s, size_t n, const wchar_t* format, __VALIST arg)
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{ return _vsnwprintf ( s, n, format, arg);}
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int __cdecl __MINGW_NOTHROW vwscanf (const wchar_t * __restrict__, __VALIST);
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int __cdecl __MINGW_NOTHROW vfwscanf (FILE * __restrict__,
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const wchar_t * __restrict__, __VALIST);
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int __cdecl __MINGW_NOTHROW vswscanf (const wchar_t * __restrict__,
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const wchar_t * __restrict__, __VALIST);
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#endif
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#define _WSTDIO_DEFINED
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#endif /* _WSTDIO_DEFINED */
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#ifndef __STRICT_ANSI__
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#ifdef __MSVCRT__
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|
#ifndef NO_OLDNAMES
|
|
_CRTIMP FILE* __cdecl __MINGW_NOTHROW wpopen (const wchar_t*, const wchar_t*);
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|
#endif /* not NO_OLDNAMES */
|
|
#endif /* MSVCRT runtime */
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|
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/*
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* Other Non ANSI wide functions
|
|
*/
|
|
_CRTIMP wint_t __cdecl __MINGW_NOTHROW _fgetwchar (void);
|
|
_CRTIMP wint_t __cdecl __MINGW_NOTHROW _fputwchar (wint_t);
|
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_CRTIMP int __cdecl __MINGW_NOTHROW _getw (FILE*);
|
|
_CRTIMP int __cdecl __MINGW_NOTHROW _putw (int, FILE*);
|
|
|
|
#ifndef _NO_OLDNAMES
|
|
_CRTIMP wint_t __cdecl __MINGW_NOTHROW fgetwchar (void);
|
|
_CRTIMP wint_t __cdecl __MINGW_NOTHROW fputwchar (wint_t);
|
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_CRTIMP int __cdecl __MINGW_NOTHROW getw (FILE*);
|
|
_CRTIMP int __cdecl __MINGW_NOTHROW putw (int, FILE*);
|
|
#endif /* Not _NO_OLDNAMES */
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|
|
|
#endif /* __STRICT_ANSI */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* Not RC_INVOKED */
|
|
|
|
#endif /* _STDIO_H_ */
|