Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/include/stdio.h File Reference

#include <kernel.h>
#include <device.h>
#include <vararg.h>

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Defines
#define	puts(s)   fputs(CONSOLE, s)
#define	printf(...)   fprintf (CONSOLE, __VA_ARGS__)
#define	scanf(fmt, args)   fscanf(CONSOLE, fmt, args)
Functions
syscall	kprintf (char *,...)
syscall	kputc (device *, unsigned char)
int	_doscan (register char *, register int **, int(*)(void), int(*)(char), int, int)
int	fscanf (int, char *, int)
int	sscanf (char *, char *, int)
char *	fgets (int, char *, int)
void	_doprnt (char *, va_list, int(*)(int, int), int)
int	fprintf (int, char *,...)
int	sprintf (char *, char *,...)
int	fputs (int, char *)

---

Detailed Description

puts, printf, scanf

Id

stdio.h 232 2007-07-12 19:03:52Z brylow

Definition in file stdio.h.

---

Define Documentation

#define printf

(

...

)

fprintf (CONSOLE, __VA_ARGS__)

Definition at line 42 of file stdio.h.

Referenced by test_bigargs(), test_deltaQueue(), test_procQueue(), test_recursion(), test_schedule(), test_semaphore(), test_semaphore2(), test_semaphore3(), test_semaphore4(), testFail(), and testPass().

#define puts

(

s

)

fputs(CONSOLE, s)

CONSOLE input and output

Definition at line 41 of file stdio.h.

#define scanf	(	fmt,
		args		)	fscanf(CONSOLE, fmt, args)

Definition at line 43 of file stdio.h.

---

Function Documentation

void _doprnt	(	char *	,
		va_list	,
		int(*)(int, int)	,
		int
	)

Formatted output

Referenced by fprintf(), kprintf(), and sprintf().

int _doscan	(	register char *	,
		register int **	,
		int(*)(void)	,
		int(*)(char)	,
		int	,
		int
	)

Formatted input

Referenced by fscanf(), and sscanf().

char* fgets	(	int	dev,
		char *	s,
		int	n
	)

Read a newline-terminated string from device (file) dev

Parameters:

	dev	device to read from
	*s	buffer for result
	n	maximum read length

Definition at line 18 of file fgets.c.

References getc(), and NULL.

int fprintf	(	int	dev,
		char *	fmt,
			...
	)

Print a formatted message on specified device (file)

Parameters:

	dev	device to write to
	*fmt	format string

Definition at line 20 of file fprintf.c.

References _doprnt(), OK, putc(), va_end, and va_start.

Referenced by shell(), testItem(), uartStat(), xsh_exit(), xsh_gpiostat(), xsh_help(), xsh_kill(), xsh_led(), xsh_memstat(), xsh_ps(), xsh_reset(), xsh_sleep(), xsh_testsuite(), and xsh_uartstat().

int fputs	(	int	dev,
		char *	s
	)

Write a null-terminated string to a device (file)

Parameters:

	dev	device to write to
	*s	string to write

Returns:

result of last putc

Definition at line 17 of file fputs.c.

References putc().

int fscanf	(	int	dev,
		char *	fmt,
		int	args
	)

Read from a device (file) according to a format.

Parameters:

	dev	device to read from
	*fmt	format string
	args	number of arguments in format string

Returns:

result of _doscan

Definition at line 24 of file fscanf.c.

References _doscan(), EMPTY, getch(), and ungetch().

syscall kprintf	(	char *	fmt,
			...
	)

Kernel output (for debugging use only)

kprintf - kernel printf: formatted, unbuffered output to CONSOLE

Parameters:

*fmt

pointer to string being printed

Returns:

OK on success

Definition at line 55 of file kprintf.c.

References _doprnt(), devtab, kputc(), OK, SERIAL0, va_end, and va_start.

syscall kputc	(	device *	pdev,
		unsigned char	c
	)

kputc - perform a synchronous kernel write to the console tty

Parameters:

	*pdev	pointer to device on which to write character
	c	character to write

Returns:

c on success, SYSERR on failure

Definition at line 21 of file kprintf.c.

References dentry::controlblk, uart::cout, dentry::csr, uart::csr, uart_csreg::ier, uart_csreg::lsr, NULL, SYSERR, UART_LSR_TEMT, and uarttab.

Referenced by kprintf().

int sprintf	(	char *	str,
		char *	fmt,
			...
	)

Format arguments and place output in a string

Parameters:

	*str	output string
	*fmt	format string

Definition at line 19 of file sprintf.c.

References _doprnt(), sprntf(), va_end, and va_start.

Referenced by test_checkProcState(), test_checkResult(), test_checkSemCount(), test_deltaQueue(), test_procQueue(), test_semaphore(), test_semaphore2(), test_semaphore3(), and test_semaphore4().

int sscanf	(	char *	str,
		char *	fmt,
		int	args
	)

Read from a string according to a format.

Parameters:

	*str	string to read from
	*fmt	format string
	args	number of arguments in format string

Returns:

result of _doscan

Definition at line 22 of file sscanf.c.

References _doscan(), sgetch(), and sungetch().