console.c File Reference

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

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Classes
struct	vhprintf_aux

Functions
int	vprintf (const char *format, va_list args)
int	hprintf (int handle, const char *format,...)
int	puts (const char *s)
int	putchar (int c)
static void	add_char (char, void *)
static void	flush (struct vhprintf_aux *)
int	vhprintf (int handle, const char *format, va_list args)

Function Documentation

add_char()

static void add_char ( char  c, void *  aux_  )

static

                              {
    struct vhprintf_aux *aux = aux_;
    *aux->p++ = c;
    if (aux->p >= aux->buf + sizeof aux->buf)
        flush (aux);
    aux->char_cnt++;
}

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flush()

static void flush ( struct vhprintf_aux *  aux )

static

                                 {
    if (aux->p > aux->buf)
        write (aux->handle, aux->buf, aux->p - aux->buf);
    aux->p = aux->buf;
}

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hprintf()

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

                                              {
    va_list args;
    int retval;
 
    va_start (args, format);
    retval = vhprintf (handle, format, args);
    va_end (args);
 
    return retval;
}

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putchar()

int putchar

(

int

c

)

                {
    char c2 = c;
    write (STDOUT_FILENO, &c2, 1);
    return c;
}

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puts()

int puts

(

const char *

s

)

                     {
    write (STDOUT_FILENO, s, strlen (s));
    putchar ('\n');
 
    return 0;
}

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vhprintf()

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

                                                        {
    struct vhprintf_aux aux;
    aux.p = aux.buf;
    aux.char_cnt = 0;
    aux.handle = handle;
    __vprintf (format, args, add_char, &aux);
    flush (&aux);
    return aux.char_cnt;
}

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vprintf()

int vprintf	(	const char *	format,
		va_list	args
	)

                                           {
    return vhprintf (STDOUT_FILENO, format, args);
}

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