console.c File Reference

#include <stdio.h>
#include <string.h>
#include <syscall.h>
#include <syscall-nr.h>

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Data Structures
struct	vhprintf_aux
	Auxiliary data for vhprintf_helper(). More...

Functions
int	vprintf (const char *format, va_list args)
	The standard vprintf() function, which is like printf() but uses a va_list. More...
int	hprintf (int handle, const char *format,...)
	Like printf(), but writes output to the given HANDLE. More...
int	puts (const char *s)
	Writes string S to the console, followed by a new-line character. More...
int	putchar (int c)
	Writes C to the console. More...
static void	add_char (char c, void *aux_)
	Adds C to the buffer in AUX, flushing it if the buffer fills up. More...
static void	flush (struct vhprintf_aux *aux)
	Flushes the buffer in AUX. More...
int	vhprintf (int handle, const char *format, va_list args)
	Formats the printf() format specification FORMAT with arguments given in ARGS and writes the output to the given HANDLE. More...

Function Documentation

add_char()

static void add_char ( char  c, void *  aux_  )

static

Adds C to the buffer in AUX, flushing it if the buffer fills up.

Definition at line 78 of file console.c.

References vhprintf_aux::buf, vhprintf_aux::char_cnt, flush(), and vhprintf_aux::p.

Referenced by vhprintf().

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flush()

static void flush ( struct vhprintf_aux *  aux )

static

Flushes the buffer in AUX.

Definition at line 89 of file console.c.

References vhprintf_aux::buf, vhprintf_aux::handle, vhprintf_aux::p, and write().

Referenced by add_char(), and vhprintf().

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hprintf()

int hprintf	(	int	handle,
		const char *	format,
			...
	)

Like printf(), but writes output to the given HANDLE.

Definition at line 16 of file console.c.

References va_end, va_start, and vhprintf().

Referenced by expand(), and main().

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putchar()

int putchar

(

int

c

)

Writes C to the console.

Writes C to the vga display and serial port.

Definition at line 41 of file console.c.

References acquire_console(), putchar_have_lock(), release_console(), STDOUT_FILENO, and write().

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puts()

int puts

(

const char *

s

)

Writes string S to the console, followed by a new-line character.

Definition at line 31 of file console.c.

References acquire_console(), putchar(), putchar_have_lock(), release_console(), s, STDOUT_FILENO, strlen(), and write().

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vhprintf()

int vhprintf	(	int	handle,
		const char *	format,
		va_list	args
	)

Formats the printf() format specification FORMAT with arguments given in ARGS and writes the output to the given HANDLE.

Definition at line 64 of file console.c.

References __vprintf(), add_char(), vhprintf_aux::buf, vhprintf_aux::char_cnt, flush(), vhprintf_aux::handle, and vhprintf_aux::p.

Referenced by hprintf(), and vprintf().

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vprintf()

int vprintf	(	const char *	format,
		va_list	args
	)

The standard vprintf() function, which is like printf() but uses a va_list.

Definition at line 9 of file console.c.

References STDOUT_FILENO, and vhprintf().

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