Defines | |
#define | EOF (-1) |
End of file. | |
#define | _IOFBF 0x00 |
Fully buffered. | |
#define | _IOLBF 0x01 |
Line buffered. | |
#define | _IONBF 0x02 |
Unbuffered. | |
#define | stdin (__iob[0]) |
Standard input stream. | |
#define | stdout (__iob[1]) |
Standard output stream. | |
#define | stderr (__iob[2]) |
Standard error output stream. | |
#define | CF_LONG 0x01 |
#define | CF_SUPPRESS 0x02 |
#define | CF_SIGNOK 0x04 |
#define | CF_NDIGITS 0x08 |
#define | CF_PFXOK 0x10 |
#define | CF_NZDIGITS 0x20 |
#define | CF_DPTOK 0x10 |
#define | CF_EXPOK 0x20 |
#define | CT_CHAR 0 |
#define | CT_STRING 2 |
#define | CT_INT 3 |
#define | CT_FLOAT 4 |
#define | BUF 16 |
#define | PADSIZE 16 |
#define | ALT 0x01 |
#define | LADJUST 0x04 |
#define | LONGINT 0x08 |
#define | ZEROPAD 0x10 |
Typedefs | |
typedef struct __iobuf | FILE |
Stream structure type. | |
Functions | |
void | clearerr (FILE *stream) |
Reset error status of a stream. | |
int | fclose (FILE *stream) |
Close a stream. | |
void | fcloseall (void) |
Close all open streams. | |
FILE * | _fdopen (int fd, CONST char *mode) |
Open a stream associated with a file, device or socket descriptor. | |
int | feof (FILE *stream) |
Test if a stream reached the end of file. | |
int | ferror (FILE *stream) |
Test for an error on a stream. | |
int | fflush (FILE *stream) |
Flush a stream. | |
int | fgetc (FILE *stream) |
Read a character from a stream. | |
char * | fgets (char *buffer, int count, FILE *stream) |
Read a line from a stream. | |
int | _fileno (FILE *stream) |
Get the file descriptor associated with a stream. | |
void | _flushall (void) |
Flushes all streams. | |
int | _fmode (CONST char *mode) |
FILE * | fopen (CONST char *name, CONST char *mode) |
Open a stream. | |
int | fprintf (FILE *stream, CONST char *fmt,...) |
Print formatted data to a stream. | |
int | fprintf_P (FILE *stream, PGM_P fmt,...) |
Print formatted data to a stream. | |
int | fpurge (FILE *stream) |
Purge a stream, i.e. discards the input buffer. | |
int | fputc (int c, FILE *stream) |
Write a character to a stream. | |
int | fputs (CONST char *string, FILE *stream) |
Write a string to a stream. | |
int | fputs_P (PGM_P string, FILE *stream) |
Write a string from progam memory to a stream. | |
size_t | fread (void *buffer, size_t size, size_t count, FILE *stream) |
Read data from a stream. | |
FILE * | freopen (CONST char *name, CONST char *mode, FILE *stream) |
Reassign a stream. | |
int | fscanf (FILE *stream, CONST char *fmt,...) |
Read formatted data from a stream. | |
int | fscanf_P (FILE *stream, PGM_P fmt,...) |
Read formatted data from a stream. | |
int | fseek (FILE *stream, long offset, int origin) |
Move read/write position of a stream. | |
long | ftell (FILE *stream) |
Return the read/write position of a stream. | |
size_t | fwrite (CONST void *data, size_t size, size_t count, FILE *stream) |
Write data to a stream. | |
size_t | fwrite_P (PGM_P data, size_t size, size_t count, FILE *stream) |
Write data from program space to a stream. | |
int | getc (FILE *stream) |
Read a character from a stream. | |
int | getchar (void) |
Read a character from a standard input. | |
int | _getf (int _getb(int, void *, size_t), int fd, CONST char *fmt, va_list ap) |
Read formatted data using a given input function. | |
char * | gets (char *buffer) |
Get a line from the standard input stream. | |
int | printf (CONST char *fmt,...) |
Print formatted data to the standard output stream. | |
int | printf_P (PGM_P fmt,...) |
Print formatted output to the standard output stream. | |
int | putc (int c, FILE *stream) |
Write a character to a stream. | |
int | putchar (int c) |
Write a character to standard output. | |
static void | _putpad (int _putb(int fd, CONST void *, size_t), int fd, char *padch, int count) |
int | _putf (int _putb(int, CONST void *, size_t), int fd, CONST char *fmt, va_list ap) |
Write formatted data using a given output function. | |
int | puts (CONST char *string) |
Write a string to stdout. | |
int | puts_P (PGM_P string) |
Write a string from program memory to stdout. | |
int | scanf (CONST char *fmt,...) |
Read formatted data from the standard input stream. | |
int | scanf_P (PGM_P fmt,...) |
Read formatted data from the standard input stream. | |
int | sprintf (char *buffer, CONST char *fmt,...) |
Write formatted data to a string. | |
int | sprintf_P (char *buffer, PGM_P fmt,...) |
Write formatted data to a string. | |
int | sscanf (CONST char *string, CONST char *fmt,...) |
Read formatted data from a string. | |
int | sscanf_P (CONST char *string, CONST char *fmt,...) |
Read formatted data from a string. | |
int | ungetc (int c, FILE *stream) |
Push a character back onto a stream. | |
int | vfprintf (FILE *stream, CONST char *fmt, va_list ap) |
Write argument list to a stream using a given format. | |
int | vfprintf_P (FILE *stream, PGM_P fmt, va_list ap) |
Write argument list to a stream using a given format. | |
int | vfscanf (FILE *stream, CONST char *fmt, va_list ap) |
Read formatted data from a stream. | |
int | vfscanf_P (FILE *stream, PGM_P fmt, va_list ap) |
Read formatted data from a stream. | |
static int | _sputb (int fd, CONST void *buffer, size_t count) |
int | vsprintf (char *buffer, CONST char *fmt, va_list ap) |
Write argument list to a string using a given format. | |
int | vsprintf_P (char *buffer, PGM_P fmt, va_list ap) |
Write argument list to a string using a given format. | |
static int | _sgetb (int fd, void *buffer, size_t count) |
int | vsscanf (CONST char *string, CONST char *fmt, va_list ap) |
Read formatted data from a string. | |
int | vsscanf_P (CONST char *string, PGM_P fmt, va_list ap) |
Read formatted data from a string. | |
Variables | |
FILE * | __iob [] |
FILE * | __iob [FOPEN_MAX] = { (FILE *) 1, (FILE *) 2, (FILE *) 3 } |
static char | blanks [PADSIZE] |
static char | zeroes [PADSIZE] |
#define EOF (-1) |
End of file.
Returned by an input or output operation when the end of a file is encountered. Some routines return this value to indicate an error.
Definition at line 100 of file stdio.h.
Referenced by _fdopen(), _fmode(), _getf(), fclose(), fflush(), fgetc(), fgets(), fopen(), fpurge(), fputc(), freopen(), gets(), puts(), puts_P(), ungetc(), and wgetch().
#define stdin (__iob[0]) |
#define stdout (__iob[1]) |
FILE* _fdopen | ( | int | fd, | |
CONST char * | mode | |||
) |
Open a stream associated with a file, device or socket descriptor.
fd | Descriptor of a previously opened file, device or connected socket. | |
mode | Specifies the access mode.
|
Definition at line 74 of file fdopen.c.
References __iob, _fmode(), ENFILE, ENOMEM, EOF, errno, FCNTL_TEXT, FOPEN_MAX, __iobuf::iob_fd, __iobuf::iob_flags, __iobuf::iob_mode, __iobuf::iob_unget, and malloc.
int _fileno | ( | FILE * | stream | ) |
Get the file descriptor associated with a stream.
In contrast to other implementations, the standard streams stdin, stdout and stderr do not return 0, 1 and 2 resp.
stream | Pointer to a previously opened stream. |
Definition at line 66 of file fileno.c.
References __iobuf::iob_fd.
Referenced by kbhit(), vfscanf(), and vfscanf_P().
void _flushall | ( | void | ) |
int _fmode | ( | CONST char * | mode | ) |
Definition at line 63 of file fmode.c.
References EINVAL, EOF, errno, FCNTL_APPEND, FCNTL_BINARY, FCNTL_CREATE, FCNTL_RDONLY, FCNTL_TEXT, FCNTL_TRUNC, and FCNTL_WRONLY.
int _getf | ( | int | _getbint, void *, size_t, | |
int | fd, | |||
CONST char * | fmt, | |||
va_list | ap | |||
) |
Read formatted data using a given input function.
_getb | Input function for reading data. | |
fd | Descriptor of a previously opened file, device or connected socket. | |
fmt | Format string containing coversion specifications. | |
ap | List of pointer arguments. |
Definition at line 112 of file getf.c.
References CF_DPTOK, CF_EXPOK, CF_LONG, CF_NDIGITS, CF_NZDIGITS, CF_PFXOK, CF_SIGNOK, CF_SUPPRESS, CT_CHAR, CT_FLOAT, CT_INT, CT_STRING, EOF, isspace(), strtod(), and strtol().
Referenced by vfscanf(), vfscanf_P(), vsscanf(), and vsscanf_P().
int _putf | ( | int | _putbint, CONST void *, size_t, | |
int | fd, | |||
CONST char * | fmt, | |||
va_list | ap | |||
) |
Write formatted data using a given output function.
_putb | Output function for writing data. | |
fd | Descriptor of a previously opened file, device or connected socket. | |
fmt | Format string containing conversion specifications. | |
ap | List of arguments. |
Definition at line 143 of file putf.c.
References _putpad(), ALT, blanks, BUF, dtostre(), dtostrf(), free, LADJUST, LONGINT, malloc, memchr(), strcpy_P, strlen(), strlen_P, zeroes, and ZEROPAD.
Referenced by vfprintf(), vfprintf_P(), vsprintf(), and vsprintf_P().
static void _putpad | ( | int | _putbint fd, CONST void *, size_t, | |
int | fd, | |||
char * | padch, | |||
int | count | |||
) | [static] |
static int _sgetb | ( | int | fd, | |
void * | buffer, | |||
size_t | count | |||
) | [static] |
static int _sputb | ( | int | fd, | |
CONST void * | buffer, | |||
size_t | count | |||
) | [static] |
Definition at line 59 of file vsprintf.c.
References memcpy().
Referenced by vsprintf(), and vsprintf_P().
void clearerr | ( | FILE * | stream | ) |
int fclose | ( | FILE * | stream | ) |
Close a stream.
The calling thread may be suspended until all buffered output data has been written.
stream | Pointer to a previously opened stream. |
Definition at line 69 of file fclose.c.
References __iob, _close(), EBADF, EOF, errno, FOPEN_MAX, free, and __iobuf::iob_fd.
Referenced by fcloseall().
void fcloseall | ( | void | ) |
Close all open streams.
The standard streams stdin, stdout and stderr are not closed.
The calling thread may be suspended until all buffered output data has been written.
Definition at line 60 of file fcloseall.c.
int feof | ( | FILE * | stream | ) |
Test if a stream reached the end of file.
stream | Pointer to a previously opened stream. |
Definition at line 61 of file feof.c.
References _IOEOF, and __iobuf::iob_flags.
int ferror | ( | FILE * | stream | ) |
Test for an error on a stream.
stream | Pointer to a previously opened stream. |
Definition at line 62 of file ferror.c.
References _IOERR, and __iobuf::iob_flags.
int fflush | ( | FILE * | stream | ) |
Flush a stream.
The calling thread may be suspended until all buffered output data has been written.
stream | Pointer to a previously opened stream. |
Definition at line 67 of file fflush.c.
References _write(), EOF, and __iobuf::iob_fd.
Referenced by _flushall().
int fgetc | ( | FILE * | stream | ) |
Read a character from a stream.
stream | Pointer to a previously opened stream. |
Definition at line 71 of file fgetc.c.
References _IOEOF, _IOERR, _IOUNG, _read(), EOF, __iobuf::iob_fd, __iobuf::iob_flags, and __iobuf::iob_unget.
Referenced by fgets(), getc(), getchar(), gets(), and wgetch().
char* fgets | ( | char * | buffer, | |
int | count, | |||
FILE * | stream | |||
) |
Read a line from a stream.
Read at most one less than the specified number of characters from a stream or stop when a newline has been read.
buffer | Pointer to the buffer that receives the data including the linefeed character. | |
count | Maximum number of characters to read. | |
stream | Pointer to a previously opened stream. |
FILE* fopen | ( | CONST char * | name, | |
CONST char * | mode | |||
) |
Open a stream.
name | The name of a registered device, optionally followed by a colon and a filename. | |
mode | Specifies the access mode.
|
Definition at line 76 of file fopen.c.
References _fmode(), _open(), ENFILE, EOF, errno, FCNTL_TEXT, FOPEN_MAX, free, __iobuf::iob_flags, __iobuf::iob_mode, __iobuf::iob_unget, and malloc.
int fprintf | ( | FILE * | stream, | |
CONST char * | fmt, | |||
... | ||||
) |
Print formatted data to a stream.
stream | Pointer to a previously opened stream. | |
fmt | Format string containing conversion specifications. |
Definition at line 63 of file fprintf.c.
References vfprintf().
int fprintf_P | ( | FILE * | stream, | |
PGM_P | fmt, | |||
... | ||||
) |
Print formatted data to a stream.
Similar to fprintf() except that the format string is located in program memory.
stream | Pointer to a previously opened stream. | |
fmt | Format string in program space containing conversion specifications. |
Do not use this function with a debug device while running in interrupt context.
Definition at line 73 of file fprintf_p.c.
References vfprintf_P.
int fpurge | ( | FILE * | stream | ) |
Purge a stream, i.e. discards the input buffer.
stream | Pointer to a previously opened stream. |
Definition at line 62 of file fpurge.c.
References _read(), EOF, and __iobuf::iob_fd.
int fputc | ( | int | c, | |
FILE * | stream | |||
) |
Write a character to a stream.
c | Character to write. | |
stream | Pointer to a previously opened stream. |
Definition at line 65 of file fputc.c.
References _write(), EOF, and __iobuf::iob_fd.
int fputs | ( | CONST char * | string, | |
FILE * | stream | |||
) |
Write a string to a stream.
stream | Pointer to a previously opened stream. | |
string | String to write. |
Definition at line 66 of file fputs.c.
References _write(), __iobuf::iob_fd, and strlen().
Referenced by puts().
int fputs_P | ( | PGM_P | string, | |
FILE * | stream | |||
) |
Write a string from progam memory to a stream.
Similar to fputs() except that the string is located in program space.
stream | Pointer to a previously opened stream. | |
string | String in program memory to write. |
Definition at line 69 of file fputs_p.c.
References _write_P(), __iobuf::iob_fd, and strlen_P.
size_t fread | ( | void * | buffer, | |
size_t | size, | |||
size_t | count, | |||
FILE * | stream | |||
) |
Read data from a stream.
buffer | Pointer to the buffer that receives the data. | |
size | Item size in bytes. | |
count | Maximum number of items to read. | |
stream | Pointer to a previously opened stream. |
Definition at line 71 of file fread.c.
References _IOEOF, _IOERR, _IOUNG, _read(), __iobuf::iob_fd, __iobuf::iob_flags, and __iobuf::iob_unget.
Reassign a stream.
name | The name of a registered device, optionally followed by a colon and a filename. | |
mode | Specifies the access mode.
| |
stream | Pointer to a previously opened stream. |
Definition at line 82 of file freopen.c.
References __iob, _fmode(), _open(), EBADF, EOF, errno, FCNTL_TEXT, FOPEN_MAX, free, __iobuf::iob_flags, __iobuf::iob_mode, __iobuf::iob_unget, and malloc.
int fscanf | ( | FILE * | stream, | |
CONST char * | fmt, | |||
... | ||||
) |
Read formatted data from a stream.
stream | Pointer to a previously opened stream. | |
fmt | Format string containing conversion specifications. |
Definition at line 64 of file fscanf.c.
References vfscanf().
int fscanf_P | ( | FILE * | stream, | |
PGM_P | fmt, | |||
... | ||||
) |
Read formatted data from a stream.
Similar to fscanf() except that the format string is expected in program space.
stream | Pointer to a previously opened stream. | |
fmt | Format string in program space containing conversion specifications. |
Definition at line 68 of file fscanf_p.c.
References vfscanf_P.
int fseek | ( | FILE * | stream, | |
long | offset, | |||
int | origin | |||
) |
Move read/write position of a stream.
stream | Pointer to a previously opened stream. | |
offset | Number of bytes from initial position. | |
origin | Initial position to seek from. |
Definition at line 65 of file fseek.c.
References _seek(), and __iobuf::iob_fd.
long ftell | ( | FILE * | stream | ) |
Return the read/write position of a stream.
stream | Pointer to a previously opened stream. |
Definition at line 63 of file ftell.c.
References _tell(), and __iobuf::iob_fd.
size_t fwrite | ( | CONST void * | data, | |
size_t | size, | |||
size_t | count, | |||
FILE * | stream | |||
) |
Write data to a stream.
data | Pointer to items to be written. | |
size | Item size in bytes. | |
count | Number of items to write. | |
stream | Pointer to a previously opened stream. |
Definition at line 75 of file fwrite.c.
References _write(), and __iobuf::iob_fd.
size_t fwrite_P | ( | PGM_P | data, | |
size_t | size, | |||
size_t | count, | |||
FILE * | stream | |||
) |
Write data from program space to a stream.
Similar to fwrite() except that the data is located in program memory.
data | Pointer to items in program space to be written. | |
size | Item size in bytes. | |
count | Number of items to write. | |
stream | Pointer to a previously opened stream. |
Definition at line 69 of file fwrite_p.c.
References _write_P(), and __iobuf::iob_fd.
int getc | ( | FILE * | stream | ) |
Read a character from a stream.
Same as fgetc().
stream | Pointer to a previously opened stream. |
Definition at line 66 of file getc.c.
References fgetc().
int getchar | ( | void | ) |
char* gets | ( | char * | buffer | ) |
Get a line from the standard input stream.
Read characters from a stream until a newline has been read.
buffer | Pointer to the buffer that receives the line excluding the linefeed character. |
int printf | ( | CONST char * | fmt, | |
... | ||||
) |
Print formatted data to the standard output stream.
fmt | Format string containing conversion specifications. |
Definition at line 60 of file printf.c.
References stdout, and vfprintf().
int printf_P | ( | PGM_P | fmt, | |
... | ||||
) |
Print formatted output to the standard output stream.
Similar to printf() except that the format string is located in program memory.
fmt | Format string in program space containing conversion specifications. |
Definition at line 70 of file printf_p.c.
References stdout, and vfprintf_P.
int putc | ( | int | c, | |
FILE * | stream | |||
) |
Write a character to a stream.
Same as fputc().
c | Character to write. | |
stream | Pointer to a previously opened stream. |
Definition at line 67 of file putc.c.
References fputc().
int putchar | ( | int | c | ) |
int puts | ( | CONST char * | string | ) |
int puts_P | ( | PGM_P | string | ) |
int scanf | ( | CONST char * | fmt, | |
... | ||||
) |
Read formatted data from the standard input stream.
fmt | Format string containing conversion specifications. |
int scanf_P | ( | PGM_P | fmt, | |
... | ||||
) |
Read formatted data from the standard input stream.
Similar to scanf() except that the format string is located in program space.
fmt | Format string containing conversion specifications. |
int sprintf | ( | char * | buffer, | |
CONST char * | fmt, | |||
... | ||||
) |
Write formatted data to a string.
buffer | Pointer to a buffer that receives the output string. | |
fmt | Format string containing conversion specifications. |
Definition at line 61 of file sprintf.c.
References vsprintf().
int sprintf_P | ( | char * | buffer, | |
PGM_P | fmt, | |||
... | ||||
) |
Write formatted data to a string.
Similar to sprintf() except that the format string is located in program memory.
buffer | Pointer to a buffer that receives the output string. | |
fmt | Format string in program space containing conversion specifications. |
Definition at line 68 of file sprintf_p.c.
References vsprintf_P.
int sscanf | ( | CONST char * | string, | |
CONST char * | fmt, | |||
... | ||||
) |
Read formatted data from a string.
string | Pointer to the string that contains the data. | |
fmt | Format string containing conversion specifications. |
Definition at line 61 of file sscanf.c.
References vsscanf().
int sscanf_P | ( | CONST char * | string, | |
CONST char * | fmt, | |||
... | ||||
) |
Read formatted data from a string.
Similar to sscanf() except that the format string is located in program space.
string | Pointer to the string that contains the data. | |
fmt | Format string in program space containing conversion specifications. |
Definition at line 65 of file sscanf_p.c.
References vsscanf_P.
int ungetc | ( | int | c, | |
FILE * | stream | |||
) |
Push a character back onto a stream.
c | Character to push back. | |
stream | Pointer to a previously opened stream. |
Definition at line 60 of file ungetc.c.
References _IOUNG, EOF, __iobuf::iob_flags, and __iobuf::iob_unget.
int vfprintf | ( | FILE * | stream, | |
CONST char * | fmt, | |||
va_list | ap | |||
) |
Write argument list to a stream using a given format.
stream | Pointer to a previously opened stream. | |
fmt | Format string containing conversion specifications. | |
ap | List of arguments. |
Definition at line 63 of file vfprintf.c.
References _putf(), _write(), and __iobuf::iob_fd.
int vfprintf_P | ( | FILE * | stream, | |
PGM_P | fmt, | |||
va_list | ap | |||
) |
Write argument list to a stream using a given format.
Similar to vfprintf() except that the format string is located in program memory.
stream | Pointer to a previously opened stream. | |
fmt | Format string in program space containing conversion specifications. | |
ap | List of arguments. |
Definition at line 70 of file vfprintf_p.c.
References _putf(), _write(), __iobuf::iob_fd, memcpy_P, NutHeapAlloc(), NutHeapFree(), and strlen_P.
int vfscanf | ( | FILE * | stream, | |
CONST char * | fmt, | |||
va_list | ap | |||
) |
Read formatted data from a stream.
stream | Pointer to a previously opened stream. | |
fmt | Format string containing conversion specifications. | |
ap | List of pointer arguments. |
Definition at line 66 of file vfscanf.c.
int vfscanf_P | ( | FILE * | stream, | |
PGM_P | fmt, | |||
va_list | ap | |||
) |
Read formatted data from a stream.
Similar to vfscanf() except that the format string is located in program space.
stream | Pointer to a previously opened stream. | |
fmt | Format string in program space containing conversion specifications. | |
ap | List of pointer arguments. |
Definition at line 73 of file vfscanf_p.c.
References _fileno(), _getf(), _read(), memcpy_P, NutHeapAlloc(), NutHeapFree(), and strlen_P.
int vsprintf | ( | char * | buffer, | |
CONST char * | fmt, | |||
va_list | ap | |||
) |
Write argument list to a string using a given format.
buffer | Pointer to a buffer that receives the output string. | |
fmt | Format string containing conversion specifications. | |
ap | List of arguments. |
Definition at line 79 of file vsprintf.c.
int vsprintf_P | ( | char * | buffer, | |
PGM_P | fmt, | |||
va_list | ap | |||
) |
Write argument list to a string using a given format.
Similar to vsprintf() except that the format string is located in program memory.
buffer | Pointer to a buffer that receives the output string. | |
fmt | Format string in program space containing conversion specifications. | |
ap | List of arguments. |
Definition at line 81 of file vsprintf_p.c.
References _putf(), _sputb(), memcpy_P, NutHeapAlloc(), NutHeapFree(), and strlen_P.
int vsscanf | ( | CONST char * | string, | |
CONST char * | fmt, | |||
va_list | ap | |||
) |
Read formatted data from a string.
string | Pointer to a string that contains the data. | |
fmt | Format string containing conversion specifications. | |
ap | List of pointer arguments. |
Definition at line 91 of file vsscanf.c.
References _getf(), _sgetb(), and CONST.
Referenced by sscanf().
int vsscanf_P | ( | CONST char * | string, | |
PGM_P | fmt, | |||
va_list | ap | |||
) |
Read formatted data from a string.
Similar to vsscanf() except that the format string is located in program space.
string | Pointer to a string that contains the data. | |
fmt | Format string in program space containing conversion specifications. | |
ap | List of pointer arguments. |
Definition at line 93 of file vsscanf_p.c.
References _getf(), _sgetb(), CONST, memcpy_P, NutHeapAlloc(), NutHeapFree(), and strlen_P.
Definition at line 56 of file fopen.c.
Referenced by _fdopen(), _flushall(), fclose(), fcloseall(), and freopen().
Definition at line 56 of file fopen.c.
Referenced by _fdopen(), _flushall(), fclose(), fcloseall(), and freopen().
char blanks[PADSIZE] [static] |
char zeroes[PADSIZE] [static] |