subr_scanf.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ctype.h>
#include <sys/limits.h>
#include <sys/stddef.h>
#include <machine/stdarg.h>

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Macros
#define	BUF   32 /* Maximum length of numeric string. */
#define	LONG   0x01 /* l: long or double */
#define	SHORT   0x04 /* h: short */
#define	SUPPRESS   0x08 /* suppress assignment */
#define	POINTER   0x10 /* weird %p pointer (`fake hex') */
#define	NOSKIP   0x20 /* do not skip blanks */
#define	QUAD   0x400
#define	INTMAXT   0x800 /* j: intmax_t */
#define	PTRDIFFT   0x1000 /* t: ptrdiff_t */
#define	SIZET   0x2000 /* z: size_t */
#define	SHORTSHORT   0x4000 /** hh: char */
#define	SIGNOK   0x40 /* +/- is (still) legal */
#define	NDIGITS   0x80 /* no digits detected */
#define	DPTOK   0x100 /* (float) decimal point is still legal */
#define	EXPOK   0x200 /* (float) exponent (e+3, etc) still legal */
#define	PFXOK   0x100 /* 0x prefix is (still) legal */
#define	NZDIGITS   0x200 /* no zero digits detected */
#define	CT_CHAR   0 /* %c conversion */
#define	CT_CCL   1 /* %[...] conversion */
#define	CT_STRING   2 /* %s conversion */
#define	CT_INT   3 /* integer, i.e., strtoq or strtouq */

Typedefs
typedef u_quad_t(*	ccfntype) (const char *, char **, int)

Functions
	__FBSDID ("$FreeBSD$")
static const u_char *	__sccl (char *, const u_char *)
int	sscanf (const char *ibuf, const char *fmt,...)
int	vsscanf (const char *inp, char const *fmt0, va_list ap)

Macro Definition Documentation

BUF

#define BUF   32 /* Maximum length of numeric string. */

Definition at line 54 of file subr_scanf.c.

CT_CCL

#define CT_CCL   1 /* %[...] conversion */

Definition at line 88 of file subr_scanf.c.

CT_CHAR

#define CT_CHAR   0 /* %c conversion */

Definition at line 87 of file subr_scanf.c.

CT_INT

#define CT_INT   3 /* integer, i.e., strtoq or strtouq */

Definition at line 90 of file subr_scanf.c.

CT_STRING

#define CT_STRING   2 /* %s conversion */

Definition at line 89 of file subr_scanf.c.

DPTOK

#define DPTOK   0x100 /* (float) decimal point is still legal */

Definition at line 78 of file subr_scanf.c.

EXPOK

#define EXPOK   0x200 /* (float) exponent (e+3, etc) still legal */

Definition at line 79 of file subr_scanf.c.

INTMAXT

#define INTMAXT   0x800 /* j: intmax_t */

Definition at line 65 of file subr_scanf.c.

LONG

#define LONG   0x01 /* l: long or double */

Definition at line 59 of file subr_scanf.c.

NDIGITS

#define NDIGITS   0x80 /* no digits detected */

Definition at line 76 of file subr_scanf.c.

NOSKIP

#define NOSKIP   0x20 /* do not skip blanks */

Definition at line 63 of file subr_scanf.c.

NZDIGITS

#define NZDIGITS   0x200 /* no zero digits detected */

Definition at line 82 of file subr_scanf.c.

PFXOK

#define PFXOK   0x100 /* 0x prefix is (still) legal */

Definition at line 81 of file subr_scanf.c.

POINTER

#define POINTER   0x10 /* weird %p pointer (`fake hex') */

Definition at line 62 of file subr_scanf.c.

PTRDIFFT

#define PTRDIFFT   0x1000 /* t: ptrdiff_t */

Definition at line 66 of file subr_scanf.c.

QUAD

#define QUAD   0x400

Definition at line 64 of file subr_scanf.c.

SHORT

#define SHORT   0x04 /* h: short */

Definition at line 60 of file subr_scanf.c.

SHORTSHORT

#define SHORTSHORT   0x4000 /** hh: char */

Definition at line 68 of file subr_scanf.c.

SIGNOK

#define SIGNOK   0x40 /* +/- is (still) legal */

Definition at line 75 of file subr_scanf.c.

SIZET

#define SIZET   0x2000 /* z: size_t */

Definition at line 67 of file subr_scanf.c.

SUPPRESS

#define SUPPRESS   0x08 /* suppress assignment */

Definition at line 61 of file subr_scanf.c.

Typedef Documentation

ccfntype

typedef u_quad_t(* ccfntype) (const char *, char **, int)

Definition at line 91 of file subr_scanf.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

__sccl()

static const u_char * __sccl ( char *  tab, const u_char *  fmt  )

static

Definition at line 581 of file subr_scanf.c.

Referenced by vsscanf().

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sscanf()

int sscanf	(	const char *	ibuf,
		const char *	fmt,
			...
	)

Definition at line 96 of file subr_scanf.c.

References vsscanf().

Referenced by bitset_strscan(), kern_unmount(), res_find(), stats_tpl_sample_rates(), sysctl_handle_domainset(), and validate_uuid().

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vsscanf()

int vsscanf	(	const char *	inp,
		char const *	fmt0,
		va_list	ap
	)

Definition at line 108 of file subr_scanf.c.

References __sccl(), BUF, buf, CT_CCL, CT_CHAR, CT_INT, CT_STRING, flags, INTMAXT, LONG, NDIGITS, NOSKIP, NZDIGITS, PFXOK, PTRDIFFT, QUAD, res, SHORT, SHORTSHORT, SIGNOK, SIZET, and SUPPRESS.

Referenced by sscanf(), and vfs_scanopt().

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