apr_snprintf.c File Reference

#include "apr.h"
#include "apr_private.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_network_io.h"
#include "apr_portable.h"
#include "apr_errno.h"
#include <math.h>

Go to the source code of this file.

Macros
#define	NUL   '\0'
#define	S_NULL   ((char *)null_string)
#define	S_NULL_LEN   6
#define	FLOAT_DIGITS   6
#define	EXPONENT_LENGTH   10
#define	NUM_BUF_SIZE   512
#define	NDIG   80
#define	INS_CHAR(c, sp, bep, cc)
#define	NUM(c)   (c - '0')
#define	STR_TO_DEC(str, num)
#define	FIX_PRECISION(adjust, precision, s, s_len)
#define	PAD(width, len, ch)
#define	PREFIX(str, length, ch)

Enumerations
enum	boolean_e { NO = 0 , YES = 1 }

Functions
static char *	apr_cvt (double arg, int ndigits, int *decpt, int *sign, int eflag, char *buf)
static char *	apr_ecvt (double arg, int ndigits, int *decpt, int *sign, char *buf)
static char *	apr_fcvt (double arg, int ndigits, int *decpt, int *sign, char *buf)
static char *	apr_gcvt (double number, int ndigit, char *buf, boolean_e altform)
static char *	conv_10 (register apr_int32_t num, register int is_unsigned, register int *is_negative, char *buf_end, register apr_size_t *len)
static char *	conv_10_quad (apr_int64_t num, register int is_unsigned, register int *is_negative, char *buf_end, register apr_size_t *len)
static char *	conv_in_addr (struct in_addr *ia, char *buf_end, apr_size_t *len)
static char *	conv_apr_sockaddr (apr_sockaddr_t *sa, char *buf_end, apr_size_t *len)
static char *	conv_fp (register char format, register double num, boolean_e add_dp, int precision, int *is_negative, char *buf, apr_size_t *len)
static char *	conv_p2 (register apr_uint32_t num, register int nbits, char format, char *buf_end, register apr_size_t *len)
static char *	conv_p2_quad (apr_uint64_t num, register int nbits, char format, char *buf_end, register apr_size_t *len)
	APR_DECLARE (int)
static int	snprintf_flush (apr_vformatter_buff_t *vbuff)
	APR_DECLARE_NONSTD (int)

Variables
static const char	null_string [] = "(null)"

Macro Definition Documentation

EXPONENT_LENGTH

#define EXPONENT_LENGTH   10

Definition at line 62 of file apr_snprintf.c.

FIX_PRECISION

#define FIX_PRECISION	(		adjust,
			precision,
			s,
			s_len
	)

Value:

    if (adjust) {                                   \
        apr_size_t p = (precision + 1 < NUM_BUF_SIZE) \
                     ? precision : NUM_BUF_SIZE - 1;  \
        while (s_len < p)                           \
        {                                           \
            *--s = '0';                             \
            s_len++;                                \
        }                                           \
    }

Definition at line 279 of file apr_snprintf.c.

FLOAT_DIGITS

#define FLOAT_DIGITS   6

Definition at line 61 of file apr_snprintf.c.

INS_CHAR

#define INS_CHAR	(		c,
			sp,
			bep,
			cc
	)

Value:

{                                                   \
    if (sp) {                                       \
        if (sp >= bep) {                            \
            vbuff->curpos = sp;                     \
            if (flush_func(vbuff))                  \
                return -1;                          \
            sp = vbuff->curpos;                     \
            bep = vbuff->endpos;                    \
        }                                           \
        *sp++ = (c);                                \
    }                                               \
    cc++;                                           \
}

Definition at line 244 of file apr_snprintf.c.

NDIG

#define NDIG   80

Definition at line 83 of file apr_snprintf.c.

NUL

#define NUL   '\0'

Definition at line 55 of file apr_snprintf.c.

NUM

#define NUM

(

c

)

(c - '0')

Definition at line 259 of file apr_snprintf.c.

NUM_BUF_SIZE

#define NUM_BUF_SIZE   512

Definition at line 69 of file apr_snprintf.c.

PAD

#define PAD	(		width,
			len,
			ch
	)

Value:

do                                                  \
{                                                   \
    INS_CHAR(ch, sp, bep, cc);                      \
    width--;                                        \
}                                                   \
while (width > len)

Definition at line 294 of file apr_snprintf.c.

PREFIX

#define PREFIX	(		str,
			length,
			ch
	)

Value:

    *--str = ch;                                    \
    length++;                                       \
    has_prefix=YES;

Definition at line 307 of file apr_snprintf.c.

S_NULL

#define S_NULL   ((char *)null_string)

Definition at line 58 of file apr_snprintf.c.

S_NULL_LEN

#define S_NULL_LEN   6

Definition at line 59 of file apr_snprintf.c.

STR_TO_DEC

#define STR_TO_DEC	(		str,
			num
	)

Value:

    num = NUM(*str++);                              \
    while (apr_isdigit(*str))                       \
    {                                               \
        num *= 10 ;                                 \
        num += NUM(*str++);                         \
    }

Definition at line 261 of file apr_snprintf.c.

Enumeration Type Documentation

boolean_e

enum boolean_e

Enumerator
NO
YES

Definition at line 45 of file apr_snprintf.c.

Function Documentation

apr_cvt()

static char * apr_cvt ( double  arg, int  ndigits, int *  decpt, int *  sign, int  eflag, char *  buf  )

static

Definition at line 86 of file apr_snprintf.c.

apr_ecvt()

static char * apr_ecvt ( double  arg, int  ndigits, int *  decpt, int *  sign, char *  buf  )

static

Definition at line 160 of file apr_snprintf.c.

apr_fcvt()

static char * apr_fcvt ( double  arg, int  ndigits, int *  decpt, int *  sign, char *  buf  )

static

Definition at line 165 of file apr_snprintf.c.

apr_gcvt()

static char * apr_gcvt ( double  number, int  ndigit, char *  buf, boolean_e  altform  )

static

Definition at line 175 of file apr_snprintf.c.

conv_10()

static char * conv_10 ( register apr_int32_t  num, register int  is_unsigned, register int *  is_negative, char *  buf_end, register apr_size_t *  len  )

static

Definition at line 329 of file apr_snprintf.c.

conv_10_quad()

static char * conv_10_quad ( apr_int64_t  num, register int  is_unsigned, register int *  is_negative, char *  buf_end, register apr_size_t *  len  )

static

Definition at line 372 of file apr_snprintf.c.

conv_apr_sockaddr()

static char * conv_apr_sockaddr ( apr_sockaddr_t *  sa, char *  buf_end, apr_size_t *  len  )

static

Definition at line 446 of file apr_snprintf.c.

conv_fp()

static char * conv_fp ( register char  format, register double  num, boolean_e  add_dp, int  precision, int *  is_negative, char *  buf, apr_size_t *  len  )

static

Definition at line 516 of file apr_snprintf.c.

conv_in_addr()

static char * conv_in_addr ( struct in_addr *  ia, char *  buf_end, apr_size_t *  len  )

static

Definition at line 424 of file apr_snprintf.c.

conv_p2()

static char * conv_p2 ( register apr_uint32_t  num, register int  nbits, char  format, char *  buf_end, register apr_size_t *  len  )

static

Definition at line 615 of file apr_snprintf.c.

conv_p2_quad()

static char * conv_p2_quad ( apr_uint64_t  num, register int  nbits, char  format, char *  buf_end, register apr_size_t *  len  )

static

Definition at line 634 of file apr_snprintf.c.

snprintf_flush()

static int snprintf_flush ( apr_vformatter_buff_t *  vbuff )

static

Definition at line 1346 of file apr_snprintf.c.

Variable Documentation

null_string

const char null_string[] = "(null)"

static

Definition at line 57 of file apr_snprintf.c.