/* * stdio.h * * Definitions of types and prototypes of functions for standard input and * output. * * NOTE: The file manipulation functions provided by Microsoft seem to * work with either slash (/) or backslash (\) as the path separator. * * This file is part of the Mingw32 package. * * Contributors: * Created by Colin Peters * * THIS SOFTWARE IS NOT COPYRIGHTED * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * $Revision: 1.2 $ * $Author: bellard $ * $Date: 2005/04/17 13:14:29 $ * */ #ifndef _STDIO_H_ #define _STDIO_H_ /* All the headers include this file. */ #include <_mingw.h> #define __need_size_t #define __need_NULL #define __need_wchar_t #define __need_wint_t #ifndef RC_INVOKED #include #endif /* Not RC_INVOKED */ /* Flags for the iobuf structure */ #define _IOREAD 1 #define _IOWRT 2 #define _IORW 0x0080 /* opened as "r+w" */ /* * The three standard file pointers 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 /* 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. * * NOTE: This is used in the structure _finddata_t (see io.h) so changing it * is probably not a good idea. */ #define FILENAME_MAX (260) /* * The maximum number of files that may be open at once. I have set this to * a conservative number. The actual value may be higher. */ #define FOPEN_MAX (20) /* After creating this many names, tmpnam and tmpfile return NULL */ #define TMP_MAX 32767 /* * Tmpnam, tmpfile and, sometimes, _tempnam try to create * temp files in the root directory of the current drive * (not in pwd, as suggested by some older MS doc's). * Redefining these macros does not effect the CRT functions. */ #define _P_tmpdir "\\" #define _wP_tmpdir L"\\" /* * The maximum size of name (including NUL) that will be put in the user * supplied buffer caName for tmpnam. * Inferred from the size of the static buffer returned by tmpnam * when passed a NULL argument. May actually be smaller. */ #define L_tmpnam (16) #define _IOFBF 0x0000 #define _IOLBF 0x0040 #define _IONBF 0x0004 /* * 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. Enclosed in ifdefs because io.h could also * define them. (Though not anymore since io.h includes this file now.) */ #ifndef SEEK_SET #define SEEK_SET (0) #endif #ifndef SEEK_CUR #define SEEK_CUR (1) #endif #ifndef SEEK_END #define SEEK_END (2) #endif #ifndef RC_INVOKED /* * I used to include stdarg.h at this point, in order to allow for the * functions later on in the file which use va_list. That conflicts with * using stdio.h and varargs.h in the same file, so I do the typedef myself. */ #ifndef _VA_LIST #define _VA_LIST #if defined __GNUC__ && __GNUC__ >= 3 typedef __builtin_va_list va_list; #else typedef char* va_list; #endif #endif /* * The structure underlying the FILE type. * * I still believe that nobody in their right mind should make use of the * internals of this structure. Provided by Pedro A. Aranda Gutiirrez * . */ #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 */ /* * The standard file handles */ #ifndef __DECLSPEC_SUPPORTED extern FILE (*__imp__iob)[]; /* A pointer to an array of FILE */ #define _iob (*__imp__iob) /* An array of FILE */ #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT FILE _iob[]; /* An array of FILE imported from DLL. */ #endif /* __DECLSPEC_SUPPORTED */ #define stdin (&_iob[STDIN_FILENO]) #define stdout (&_iob[STDOUT_FILENO]) #define stderr (&_iob[STDERR_FILENO]) #ifdef __cplusplus extern "C" { #endif /* * File Operations */ FILE* fopen (const char*, const char*); FILE* freopen (const char*, const char*, FILE*); int fflush (FILE*); int fclose (FILE*); /* MS puts remove & rename (but not wide versions) in io.h also */ int remove (const char*); int rename (const char*, const char*); FILE* tmpfile (void); char* tmpnam (char*); char* _tempnam (const char*, const char*); #ifndef NO_OLDNAMES char* tempnam (const char*, const char*); #endif int setvbuf (FILE*, char*, int, size_t); void setbuf (FILE*, char*); /* * Formatted Output */ int fprintf (FILE*, const char*, ...); int printf (const char*, ...); int sprintf (char*, const char*, ...); int _snprintf (char*, size_t, const char*, ...); int vfprintf (FILE*, const char*, va_list); int vprintf (const char*, va_list); int vsprintf (char*, const char*, va_list); int _vsnprintf (char*, size_t, const char*, va_list); #ifndef __NO_ISOCEXT /* externs in libmingwex.a */ int snprintf(char* s, size_t n, const char* format, ...); extern inline int vsnprintf (char* s, size_t n, const char* format, va_list arg) { return _vsnprintf ( s, n, format, arg); } #endif /* * Formatted Input */ int fscanf (FILE*, const char*, ...); int scanf (const char*, ...); int sscanf (const char*, const char*, ...); /* * Character Input and Output Functions */ int fgetc (FILE*); char* fgets (char*, int, FILE*); int fputc (int, FILE*); int fputs (const char*, FILE*); int getc (FILE*); int getchar (void); char* gets (char*); int putc (int, FILE*); int putchar (int); int puts (const char*); int ungetc (int, FILE*); /* * Direct Input and Output Functions */ size_t fread (void*, size_t, size_t, FILE*); size_t fwrite (const void*, size_t, size_t, FILE*); /* * File Positioning Functions */ int fseek (FILE*, long, int); long ftell (FILE*); void rewind (FILE*); #ifdef __USE_MINGW_FSEEK /* These are in libmingwex.a */ /* * Workaround for limitations on win9x where a file contents are * not zero'd out if you seek past the end and then write. */ int __mingw_fseek (FILE *, long, int); int __mingw_fwrite (const void*, size_t, size_t, FILE*); #define fseek(fp, offset, whence) __mingw_fseek(fp, offset, whence) #define fwrite(buffer, size, count, fp) __mingw_fwrite(buffer, size, count, fp) #endif /* __USE_MINGW_FSEEK */ /* * 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 int fgetpos (FILE*, fpos_t*); int fsetpos (FILE*, const fpos_t*); /* * Error Functions */ void clearerr (FILE*); int feof (FILE*); int ferror (FILE*); void perror (const char*); #ifndef __STRICT_ANSI__ /* * Pipes */ FILE* _popen (const char*, const char*); int _pclose (FILE*); #ifndef NO_OLDNAMES FILE* popen (const char*, const char*); int pclose (FILE*); #endif /* * Other Non ANSI functions */ int _flushall (void); int _fgetchar (void); int _fputchar (int); FILE* _fdopen (int, const char*); int _fileno (FILE*); #ifndef _NO_OLDNAMES int fgetchar (void); int fputchar (int); FILE* fdopen (int, const char*); int fileno (FILE*); #endif /* Not _NO_OLDNAMES */ #endif /* Not __STRICT_ANSI__ */ /* Wide versions */ #ifndef _WSTDIO_DEFINED /* also in wchar.h - keep in sync */ int fwprintf (FILE*, const wchar_t*, ...); int wprintf (const wchar_t*, ...); int swprintf (wchar_t*, const wchar_t*, ...); int _snwprintf (wchar_t*, size_t, const wchar_t*, ...); int vfwprintf (FILE*, const wchar_t*, va_list); int vwprintf (const wchar_t*, va_list); int vswprintf (wchar_t*, const wchar_t*, va_list); int _vsnwprintf (wchar_t*, size_t, const wchar_t*, va_list); int fwscanf (FILE*, const wchar_t*, ...); int wscanf (const wchar_t*, ...); int swscanf (const wchar_t*, const wchar_t*, ...); wint_t fgetwc (FILE*); wint_t fputwc (wchar_t, FILE*); wint_t ungetwc (wchar_t, FILE*); #ifdef __MSVCRT__ wchar_t* fgetws (wchar_t*, int, FILE*); int fputws (const wchar_t*, FILE*); wint_t getwc (FILE*); wint_t getwchar (void); wchar_t* _getws (wchar_t*); wint_t putwc (wint_t, FILE*); int _putws (const wchar_t*); wint_t putwchar (wint_t); FILE* _wfopen (const wchar_t*, const wchar_t*); FILE* _wfreopen (const wchar_t*, const wchar_t*, FILE*); FILE* _wfsopen (const wchar_t*, const wchar_t*, int); wchar_t* _wtmpnam (wchar_t*); wchar_t* _wtempnam (const wchar_t*, const wchar_t*); int _wrename (const wchar_t*, const wchar_t*); int _wremove (const wchar_t*); void _wperror (const wchar_t*); FILE* _wpopen (const wchar_t*, const wchar_t*); #endif /* __MSVCRT__ */ #ifndef __NO_ISOCEXT /* externs in libmingwex.a */ int snwprintf(wchar_t* s, size_t n, const wchar_t* format, ...); extern inline int vsnwprintf (wchar_t* s, size_t n, const wchar_t* format, va_list arg) { return _vsnwprintf ( s, n, format, arg); } #endif #define _WSTDIO_DEFINED #endif /* _WSTDIO_DEFINED */ #ifndef __STRICT_ANSI__ #ifdef __MSVCRT__ #ifndef NO_OLDNAMES FILE* wpopen (const wchar_t*, const wchar_t*); #endif /* not NO_OLDNAMES */ #endif /* MSVCRT runtime */ /* * Other Non ANSI wide functions */ wint_t _fgetwchar (void); wint_t _fputwchar (wint_t); int _getw (FILE*); int _putw (int, FILE*); #ifndef _NO_OLDNAMES wint_t fgetwchar (void); wint_t fputwchar (wint_t); int getw (FILE*); int putw (int, FILE*); #endif /* Not _NO_OLDNAMES */ #endif /* __STRICT_ANSI */ #ifdef __cplusplus } #endif #endif /* Not RC_INVOKED */ #endif /* _STDIO_H_ */