vsnprintf.c File Reference

#include <sys/types.h>
#include <varargs.h>
#include <stddef.h>
#include <math.h>
#include <float.h>

Data Structures
struct	__sbuf
struct	__sFILE
struct	__siov
struct	__suio
Defines
#define	u_long unsigned long
#define	u_short unsigned short
#define	u_int unsigned int
#define	__P(x) ()
#define	_BSD_VA_LIST_ va_list
#define	UNINITIALIZED_VAR(x) x
#define	__SLBF 0x0001
#define	__SNBF 0x0002
#define	__SRD 0x0004
#define	__SWR 0x0008
#define	__SRW 0x0010
#define	__SEOF 0x0020
#define	__SERR 0x0040
#define	__SMBF 0x0080
#define	__SAPP 0x0100
#define	__SSTR 0x0200
#define	__SOPT 0x0400
#define	__SNPT 0x0800
#define	__SOFF 0x1000
#define	__SMOD 0x2000
#define	EOF (-1)
#define	__sfeof(p) (((p)->_flags & __SEOF) != 0)
#define	__sferror(p) (((p)->_flags & __SERR) != 0)
#define	__sclearerr(p) ((void)((p)->_flags &= ~(__SERR\|__SEOF)))
#define	__sfileno(p) ((p)->_file)
#define	feof(p) __sfeof(p)
#define	ferror(p) __sferror(p)
#define	clearerr(p) __sclearerr(p)
#define	fileno(p) __sfileno(p)
#define	MIN(a, b) ((a) < (b) ? (a) : (b))
#define	COPY(n) (void)memcpy((void )fp->_p, (void )p, (size_t)(n))
#define	GETIOV(extra_work)
#define	to_digit(c) ((c) - '0')
#define	is_digit(c) ((unsigned)to_digit(c) <= 9)
#define	to_char(n) (char)((n) + '0')
#define	MAXEXP (DBL_MAX_10_EXP)
#define	MAXFRACT (MAXEXP*10/3)
#define	BUF (MAXEXP+MAXFRACT+1)
#define	DEFPREC 6
#define	ALT 0x001
#define	HEXPREFIX 0x002
#define	LADJUST 0x004
#define	LONGDBL 0x008
#define	LONGINT 0x010
#define	SHORTINT 0x040
#define	ZEROPAD 0x080
#define	FPT 0x100
#define	NIOV 8
#define	PADSIZE 16
#define	PRINT(ptr, len)
#define	PAD(howmany, with)
#define	PAD_L(howmany, with) PAD((howmany), (with))
#define	FLUSH()
#define	SARG()
#define	UARG()
Typedefs
typedef struct __sFILE	FILE
Functions
static int	BSD__sfvwrite (FILE fp, struct __suio uio)
static int	BSD__sprint (FILE fp, register struct __suio uio)
static int	BSD__sbprintf (register FILE fp, const char fmt, va_list ap)
static char *	BSD__ultoa (register u_long val, char endp, int base, int octzero, const char xdigs)
static char *cvt	__P ((double, int, int, char , int , int, int , char ))
static int exponent	__P ((char *, int, int))
static ssize_t	BSD_vfprintf (FILE fp, const char fmt0, va_list ap)
char *BSD__dtoa	__P ((double, int, int, int , int , char **))
char *	BSD__hdtoa (double, const char , int, int , int , char *)
static char *	cvt (double value, int ndigits, int flags, char sign, int decpt, int ch, int length, char buf)
static int	exponent (char *p0, int exp, int fmtch)
int	ruby_vsnprintf (char str, size_t n, const char fmt, va_list ap)
int	ruby_snprintf (char str, size_t n, char const fmt,...)

Define Documentation

#define __P ( x ) ()

Definition at line 81 of file vsnprintf.c.

#define __SAPP 0x0100

Definition at line 198 of file vsnprintf.c.

#define __sclearerr ( p ) ((void)((p)->_flags &= ~(__SERR|__SEOF)))

Definition at line 211 of file vsnprintf.c.

#define __SEOF 0x0020

Definition at line 195 of file vsnprintf.c.

#define __SERR 0x0040

Definition at line 196 of file vsnprintf.c.

#define __sfeof ( p ) (((p)->_flags & __SEOF) != 0)

Definition at line 209 of file vsnprintf.c.

#define __sferror ( p ) (((p)->_flags & __SERR) != 0)

Definition at line 210 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define __sfileno ( p ) ((p)->_file)

Definition at line 212 of file vsnprintf.c.

#define __SLBF 0x0001

Definition at line 189 of file vsnprintf.c.

Referenced by BSD__sfvwrite().

#define __SMBF 0x0080

Definition at line 197 of file vsnprintf.c.

#define __SMOD 0x2000

Definition at line 203 of file vsnprintf.c.

#define __SNBF 0x0002

Definition at line 190 of file vsnprintf.c.

Referenced by BSD__sfvwrite(), and BSD_vfprintf().

#define __SNPT 0x0800

Definition at line 201 of file vsnprintf.c.

#define __SOFF 0x1000

Definition at line 202 of file vsnprintf.c.

#define __SOPT 0x0400

Definition at line 200 of file vsnprintf.c.

#define __SRD 0x0004

Definition at line 191 of file vsnprintf.c.

#define __SRW 0x0010

Definition at line 194 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define __SSTR 0x0200

Definition at line 199 of file vsnprintf.c.

Referenced by BSD__sfvwrite(), rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

#define __SWR 0x0008

Definition at line 192 of file vsnprintf.c.

Referenced by BSD_vfprintf(), rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

#define _BSD_VA_LIST_ va_list

Definition at line 88 of file vsnprintf.c.

#define ALT 0x001

Definition at line 523 of file vsnprintf.c.

Referenced by BSD_vfprintf(), and cvt().

#define BUF (MAXEXP+MAXFRACT+1)

Definition at line 507 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define clearerr ( p ) __sclearerr(p)

Definition at line 219 of file vsnprintf.c.

Referenced by rb_w32_getc().

#define COPY ( n ) (void)memcpy((void *)fp->_p, (void *)p, (size_t)(n))

Referenced by BSD__sfvwrite().

#define DEFPREC 6

Definition at line 508 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define EOF (-1)

Definition at line 206 of file vsnprintf.c.

Referenced by appendline(), BSD_vfprintf(), curses_getch(), e_iconv(), e_oconv(), eol_conv(), fold_conv(), h_conv(), j_oconv(), kanji_convert(), mime_begin(), mime_begin_strict(), mime_getc(), mime_integrity(), mime_prechar(), mime_putc(), nfc_getc(), nkf_iconv_utf_16(), nkf_iconv_utf_32(), noconvert(), parser_prepare(), print_guessed_code(), push_hold_buf(), qpencode(), rb_io_getline_1(), rb_w32_getc(), ruby_snprintf(), ruby_vsnprintf(), s_iconv(), s_oconv(), std_putc(), w_iconv(), w_oconv(), w_oconv16(), w_oconv32(), window_getch(), and z_conv().

#define feof ( p ) __sfeof(p)

Definition at line 217 of file vsnprintf.c.

Referenced by rb_vm_bugreport().

#define ferror ( p ) __sferror(p)

Definition at line 218 of file vsnprintf.c.

#define fileno ( p ) __sfileno(p)

Definition at line 222 of file vsnprintf.c.

Referenced by fseeko(), init_stdhandle(), main(), pipe_open(), prep_stdio(), rb_io_initialize(), rb_io_reopen(), rb_read_check(), rb_w32_fclose(), rb_w32_write(), and readline_readline().

#define FLUSH ( )

Value:

{ \
        if (uio.uio_resid && BSD__sprint(fp, &uio)) \
                goto error; \
        uio.uio_iovcnt = 0; \
        iovp = iov; \
}

Referenced by BSD_vfprintf().

#define FPT 0x100

Definition at line 535 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define GETIOV ( extra_work )

Value:

while (len == 0) { \
                extra_work; \
                p = iov->iov_base; \
                len = iov->iov_len; \
                iov++; \
        }

Referenced by BSD__sfvwrite().

#define HEXPREFIX 0x002

Definition at line 524 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define is_digit ( c ) ((unsigned)to_digit(c) <= 9)

Definition at line 357 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LADJUST 0x004

Definition at line 525 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LONGDBL 0x008

Definition at line 526 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define LONGINT 0x010

Definition at line 527 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define MAXEXP (DBL_MAX_10_EXP)

Definition at line 497 of file vsnprintf.c.

Referenced by exponent().

#define MAXFRACT (MAXEXP*10/3)

Definition at line 504 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define MIN	(	a,
		b		)	((a) < (b) ? (a) : (b))

#define NIOV 8

#define PAD	(	howmany,
		with		)

Value:

{ \
        if ((n = (howmany)) > 0) { \
                while (n > PADSIZE) { \
                        PRINT((with), PADSIZE); \
                        n -= PADSIZE; \
                } \
                PRINT((with), n); \
        } \
}

Referenced by BSD_vfprintf().

#define PAD_L	(	howmany,
		with		)	PAD((howmany), (with))

Referenced by BSD_vfprintf().

#define PADSIZE 16

Referenced by BSD_vfprintf().

#define PRINT	(	ptr,
		len		)

Value:

{ \
        iovp->iov_base = (ptr); \
        iovp->iov_len = (len); \
        uio.uio_resid += (len); \
        iovp++; \
        if (++uio.uio_iovcnt >= NIOV) { \
                if (BSD__sprint(fp, &uio)) \
                        goto error; \
                iovp = iov; \
        } \
}

#define SARG ( )

Value:

(flags&LONGINT ? va_arg(ap, long) : \
            flags&SHORTINT ? (long)(short)va_arg(ap, int) : \
            (long)va_arg(ap, int))

Referenced by BSD_vfprintf().

#define SHORTINT 0x040

Definition at line 533 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define to_char ( n ) (char)((n) + '0')

Definition at line 358 of file vsnprintf.c.

Referenced by BSD__ultoa(), and exponent().

#define to_digit ( c ) ((c) - '0')

Definition at line 356 of file vsnprintf.c.

Referenced by BSD_vfprintf().

#define u_int unsigned int

Definition at line 66 of file vsnprintf.c.

#define u_long unsigned long

Definition at line 64 of file vsnprintf.c.

Referenced by BSD_vfprintf(), fcntl(), getaddrinfo(), and getnameinfo().

#define u_short unsigned short

Definition at line 65 of file vsnprintf.c.

Referenced by get_addr(), get_name(), getaddrinfo(), and getnameinfo().

#define UARG ( )

Value:

(flags&LONGINT ? va_arg(ap, u_long) : \
            flags&SHORTINT ? (u_long)(u_short)va_arg(ap, int) : \
            (u_long)va_arg(ap, u_int))

Referenced by BSD_vfprintf().

#define UNINITIALIZED_VAR ( x ) x

Definition at line 133 of file vsnprintf.c.

#define ZEROPAD 0x080

Definition at line 534 of file vsnprintf.c.

Referenced by BSD_vfprintf().

Typedef Documentation

typedef struct __sFILE FILE

Function Documentation

char* BSD__dtoa __P ( (double, int, int, int *, int *, char **) )

static int exponent __P ( (char *, int, int) ) [static]

static char* cvt __P ( (double, int, int, char *, int *, int, int *, char *) ) [static]

char* BSD__hdtoa	(	double	,
		const char *	,
		int	,
		int *	,
		int *	,
		char **
	)

static int BSD__sbprintf	(	register FILE *	fp,
		const char *	fmt,
		va_list	ap
	)			`[static]`

Definition at line 346 of file vsnprintf.c.

Referenced by BSD_vfprintf().

static int BSD__sfvwrite	(	FILE *	fp,
		struct __suio *	uio
	)			`[static]`

Definition at line 245 of file vsnprintf.c.

References __SLBF, __SNBF, __SSTR, COPY, GETIOV, __siov::iov_base, __siov::iov_len, and len.

Referenced by ruby_snprintf(), and ruby_vsnprintf().

static int BSD__sprint	(	FILE *	fp,
		register struct __suio *	uio
	)			`[static]`

Definition at line 325 of file vsnprintf.c.

References err, __suio::uio_iovcnt, __suio::uio_resid, and __sFILE::vwrite.

static char* BSD__ultoa	(	register u_long	val,
		char *	endp,
		int	base,
		int	octzero,
		const char *	xdigs
	)			`[static]`

Definition at line 433 of file vsnprintf.c.

References LONG_MAX, and to_char.

Referenced by BSD_vfprintf().

static ssize_t BSD_vfprintf	(	FILE *	fp,
		const char *	fmt0,
		va_list	ap
	)			`[static]`

Definition at line 537 of file vsnprintf.c.

References __sferror, __SNBF, __SRW, __SWR, __sFILE::_file, __sFILE::_flags, ALT, BSD__sbprintf(), BSD__ultoa(), BUF, buf, CHAR_BIT, cvt(), DEFPREC, EOF, exponent(), FLUSH, FPT, HEXPREFIX, is_digit, isinf(), isnan, LADJUST, LONGDBL, LONGINT, MAXFRACT, NULL, PAD, PAD_L, PADSIZE, PRINT, SARG, SHORTINT, size, strlen(), to_digit, u_long, UARG, __suio::uio_iov, __suio::uio_iovcnt, __suio::uio_resid, UNINITIALIZED_VAR, and ZEROPAD.

Referenced by rb_enc_vsprintf(), rb_str_vcatf(), ruby_snprintf(), and ruby_vsnprintf().

static char* cvt	(	double	value,
		int	ndigits,
		int	flags,
		char *	sign,
		int *	decpt,
		int	ch,
		int *	length,
		char *	buf
	)			`[static]`

Definition at line 1187 of file vsnprintf.c.

References ALT, bp, BSD__dtoa, BSD__hdtoa, and xfree.

Referenced by BSD_vfprintf().

static int exponent	(	char *	p0,
		int	exp,
		int	fmtch
	)			`[static]`

Definition at line 1236 of file vsnprintf.c.

References MAXEXP, and to_char.

Referenced by BSD_vfprintf().

int ruby_snprintf	(	char *	str,
		size_t	n,
		char const *	fmt,
			...
	)

Definition at line 1285 of file vsnprintf.c.

References __SSTR, __SWR, __sbuf::_base, __sFILE::_bf, __sFILE::_flags, __sFILE::_p, __sbuf::_size, __sFILE::_w, BSD__sfvwrite(), BSD_vfprintf(), EOF, and __sFILE::vwrite.

int ruby_vsnprintf	(	char *	str,
		size_t	n,
		const char *	fmt,
		va_list	ap
	)

Definition at line 1268 of file vsnprintf.c.

References __SSTR, __SWR, __sbuf::_base, __sFILE::_bf, __sFILE::_flags, __sFILE::_p, __sbuf::_size, __sFILE::_w, BSD__sfvwrite(), BSD_vfprintf(), EOF, and __sFILE::vwrite.

vsnprintf.c File Reference

Data Structures

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation