kprintf.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 148 行

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1.5
date	97.09.21.19.29.30;	author dls;	state Dist;
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1.4
date	94.05.07.19.26.36;	author dls;	state Works;
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1.3
date	94.05.06.03.12.23;	author dls;	state Works;
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1.2
date	94.04.26.15.15.20;	author dls;	state Works;
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1.1
date	94.03.28.18.07.53;	author dls;	state Works;
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1.5
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@pre-3e code
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@/* kprintf.c - kprintf */

#include <conf.h>
#include <kernel.h>
#include <tty.h>

/*------------------------------------------------------------------------
 *  kprintf  --  kernel printf: formatted, unbuffered output to CONSOLE
 *------------------------------------------------------------------------
 */
int
kprintf(fmt, args)
char	*fmt;
int	args;
{
	STATWORD	ps;
	unsigned int	saveof;
        int		kputc();

	disable(ps);
	saveof = control(CONSOLE, TTC_GOF);
	control(CONSOLE, TTC_SYNC, 1);
        _doprnt(fmt, &args, kputc, CONSOLE);
	if ((saveof & TOF_SYNC) == 0)
		control(CONSOLE, TTC_SYNC, 0);
	restore(ps);
        return OK;
}
@


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@d1 1
a1 1
/* kprintf.c - kprintf, kputc, savestate, rststate */
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#include <io.h>
a6 2
#define prputchar(x) (romp->v_putchar)((unsigned char) x)

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kprintf(fmt, args)		/* Derived by Bob Brown, Purdue U.	*/
char *fmt;
int args;
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a18 2
	STATWORD ps;    
        int     kputc();
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a22 1
        disable(ps);
d24 2
d27 1
a27 1
        return(OK);
@


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a21 1
/*        disable(ps); */
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a23 1
/*	restore(ps); */
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1.2
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        disable(ps);
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a23 1
        restore(ps);
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1.1
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@Initial revision
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@a20 1
#ifdef notdef
a23 4
#else
	kputc('H'); kputc('e'); kputc('l'); kputc('l'); kputc('o');
	while (1) ;
#endif
@