printf.h File Reference

#include "kernel.h"

Macros
#define	va_start(ap, X)   __builtin_va_start(ap, X)
#define	va_arg(ap, type)   __builtin_va_arg(ap, type)
#define	va_end(ap)   __builtin_va_end(ap)
#define	PR_LJ   0x001 /* left justify */
#define	PR_CA   0x002 /* use A-F instead of a-f for hex */
#define	PR_SG   0x004 /* signed numeric conversion (%d vs. %u) */
#define	PR_32   0x008 /* long (32-bit) numeric conversion */
#define	PR_16   0x010 /* short (16-bit) numeric conversion */
#define	PR_WS   0x020 /* PR_SG set and num was < 0 */
#define	PR_LZ   0x040 /* pad left with '0' instead of ' ' */
#define	PR_FP   0x080 /* pointers are far */
#define	PR_64   0x100 /* long (32-bit) numeric conversion */
#define	PR_BUFLEN   26

Typedefs
typedef __builtin_va_list	va_list
typedef int(*	fnptr_t) (unsigned c, void **helper, const void *end)

Functions
int	vsprintf (char *buf, const char *fmt, va_list args)
int	vsnprintf (char *buf, size_t max, const char *fmt, va_list args)
int	sprintf (char *buf, const char *fmt,...)
int	snprintf (char *buf, size_t max, const char *fmt,...)
int	vprintf (const char *fmt, va_list args)
int	printf (const char *fmt,...)
int	dprintf (const char *fmt,...)
	Debug only to int 0xE9. More...

Detailed Description

Author

Craig Edwards (craig.nosp@m.edwa.nosp@m.rds@b.nosp@m.rain.nosp@m.box.c.nosp@m.c)

Copyright

Copyright (c) 2012-2023

Macro Definition Documentation

PR_16

#define PR_16   0x010 /* short (16-bit) numeric conversion */

PR_32

#define PR_32   0x008 /* long (32-bit) numeric conversion */

PR_64

#define PR_64   0x100 /* long (32-bit) numeric conversion */

PR_BUFLEN

#define PR_BUFLEN   26

PR_CA

#define PR_CA   0x002 /* use A-F instead of a-f for hex */

PR_FP

#define PR_FP   0x080 /* pointers are far */

PR_LJ

#define PR_LJ   0x001 /* left justify */

PR_LZ

#define PR_LZ   0x040 /* pad left with '0' instead of ' ' */

PR_SG

#define PR_SG   0x004 /* signed numeric conversion (%d vs. %u) */

PR_WS

#define PR_WS   0x020 /* PR_SG set and num was < 0 */

va_arg

#define va_arg	(		ap,
			type
	)		__builtin_va_arg(ap, type)

va_end

#define va_end

(

ap

)

__builtin_va_end(ap)

va_start

#define va_start	(		ap,
			X
	)		__builtin_va_start(ap, X)

Typedef Documentation

fnptr_t

typedef int(* fnptr_t) (unsigned c, void **helper, const void *end)

va_list

typedef __builtin_va_list va_list

Function Documentation

dprintf()

int dprintf	(	const char *	fmt,
			...
	)

Debug only to int 0xE9.

Parameters

fmt	format specifier
...	format args

Returns

int number of printed characters

printf()

int printf	(	const char *	fmt,
			...
	)

snprintf()

int snprintf	(	char *	buf,
		size_t	max,
		const char *	fmt,
			...
	)

sprintf()

int sprintf	(	char *	buf,
		const char *	fmt,
			...
	)

vprintf()

int vprintf	(	const char *	fmt,
		va_list	args
	)

vsnprintf()

int vsnprintf	(	char *	buf,
		size_t	max,
		const char *	fmt,
		va_list	args
	)

vsprintf()

int vsprintf	(	char *	buf,
		const char *	fmt,
		va_list	args
	)