int
printf_size (FILE *fp, const struct printf_info *info, const void *const *args)
{
/* Units for the both formats. */
#define BINARY_UNITS " kmgtpezy"
#define DECIMAL_UNITS " KMGTPEZY"
static const char units[2][sizeof (BINARY_UNITS)] =
{
BINARY_UNITS, /* For binary format. */
DECIMAL_UNITS /* For decimal format. */
};
const char *tag = units[isupper (info->spec) != 0];
int divisor = isupper (info->spec) ? 1000 : 1024;
/* The floating-point value to output. */
union
{
union ieee754_double dbl;
union ieee854_long_double ldbl;
}
fpnum;
const void *ptr = &fpnum;
int negative = 0;
/* "NaN" or "Inf" for the special cases. */
const char *special = NULL;
const wchar_t *wspecial = NULL;
struct printf_info fp_info;
int done = 0;
int wide = info->wide;
/* Fetch the argument value. */
#ifndef __NO_LONG_DOUBLE_MATH
if (info->is_long_double && sizeof (long double) > sizeof (double))
{
fpnum.ldbl.d = *(const long double *) args[0];
/* Check for special values: not a number or infinity. */
if (__isnanl (fpnum.ldbl.d))
{
special = "nan";
wspecial = L"nan";
negative = 0;
}
else if (__isinfl (fpnum.ldbl.d))
{
special = "inf";
wspecial = L"inf";
negative = fpnum.ldbl.d < 0;
}
else
while (fpnum.ldbl.d >= divisor && tag[1] != '\0')
{
fpnum.ldbl.d /= divisor;
++tag;
}
}
else
#endif /* no long double */
{
fpnum.dbl.d = *(const double *) args[0];
/* Check for special values: not a number or infinity. */
if (__isnan (fpnum.dbl.d))
{
special = "nan";
wspecial = L"nan";
negative = 0;
}
else if (__isinf (fpnum.dbl.d))
{
special = "inf";
wspecial = L"inf";
negative = fpnum.dbl.d < 0;
}
else
while (fpnum.dbl.d >= divisor && tag[1] != '\0')
{
fpnum.dbl.d /= divisor;
++tag;
}
}
if (special)
{
int width = info->prec > width ? info->prec : info->width;
if (negative || info->showsign || info->space)
--width;
width -= 3;
if (!info->left && width > 0)
PADN (' ', width);
if (negative)
outchar ('-');
else if (info->showsign)
outchar ('+');
else if (info->space)
outchar (' ');
PRINT (special, wspecial, 3);
if (info->left && width > 0)
PADN (' ', width);
return done;
}
/* Prepare to print the number. We want to use `__printf_fp' so we
have to prepare a `printf_info' structure. */
fp_info.spec = 'f';
fp_info.prec = info->prec < 0 ? 3 : info->prec;
fp_info.is_long_double = info->is_long_double;
fp_info.is_short = info->is_short;
fp_info.is_long = info->is_long;
fp_info.alt = info->alt;
fp_info.space = info->space;
fp_info.left = info->left;
fp_info.showsign = info->showsign;
fp_info.group = info->group;
fp_info.extra = info->extra;
fp_info.pad = info->pad;
fp_info.wide = wide;
if (fp_info.left && fp_info.pad == L' ')
{
/* We must do the padding ourself since the unit character must
be placed before the padding spaces. */
fp_info.width = 0;
done = __printf_fp (fp, &fp_info, &ptr);
if (done > 0)
{
outchar (*tag);
if (info->width > done)
PADN (' ', info->width - done);
}
}
else
{
/* We can let __printf_fp do all the printing and just add our
unit character afterwards. */
fp_info.width = info->width - 1;
done = __printf_fp (fp, &fp_info, &ptr);
if (done > 0)
outchar (*tag);
}
return done;
}
int
__printf_size (FILE *fp, const struct printf_info *info,
const void *const *args)
{
/* Units for the both formats. */
#define BINARY_UNITS " kmgtpezy"
#define DECIMAL_UNITS " KMGTPEZY"
static const char units[2][sizeof (BINARY_UNITS)] =
{
BINARY_UNITS, /* For binary format. */
DECIMAL_UNITS /* For decimal format. */
};
const char *tag = units[isupper (info->spec) != 0];
int divisor = isupper (info->spec) ? 1000 : 1024;
/* The floating-point value to output. */
union
{
union ieee754_double dbl;
union ieee854_long_double ldbl;
}
fpnum;
const void *ptr = &fpnum;
int fpnum_sign = 0;
/* "NaN" or "Inf" for the special cases. */
const char *special = NULL;
const wchar_t *wspecial = NULL;
struct printf_info fp_info;
int done = 0;
#if __OPTION_POSIX_C_LANG_WIDE_CHAR
int wide = info->wide;
#else
/* This should never be called on a wide-oriented stream when
OPTION_POSIX_C_LANG_WIDE_CHAR is disabled, but the compiler can't
be trusted to figure that out. */
const int wide = 0;
#endif
int res;
/* Fetch the argument value. */
#ifndef __NO_LONG_DOUBLE_MATH
if (info->is_long_double && sizeof (long double) > sizeof (double))
{
fpnum.ldbl.d = *(const long double *) args[0];
/* Check for special values: not a number or infinity. */
if (__isnanl (fpnum.ldbl.d))
{
special = "nan";
wspecial = L"nan";
// fpnum_sign = 0; Already zero
}
else if ((res = __isinfl (fpnum.ldbl.d)))
{
fpnum_sign = res;
special = "inf";
wspecial = L"inf";
}
else
while (fpnum.ldbl.d >= divisor && tag[1] != '\0')
{
fpnum.ldbl.d /= divisor;
++tag;
}
}
else
#endif /* no long double */
{
fpnum.dbl.d = *(const double *) args[0];
/* Check for special values: not a number or infinity. */
if (__isnan (fpnum.dbl.d))
{
special = "nan";
wspecial = L"nan";
// fpnum_sign = 0; Already zero
}
else if ((res = __isinf (fpnum.dbl.d)))
{
fpnum_sign = res;
special = "inf";
wspecial = L"inf";
}
else
while (fpnum.dbl.d >= divisor && tag[1] != '\0')
{
fpnum.dbl.d /= divisor;
++tag;
}
}
if (special)
{
int width = info->prec > info->width ? info->prec : info->width;
if (fpnum_sign < 0 || info->showsign || info->space)
--width;
width -= 3;
if (!info->left && width > 0)
PADN (' ', width);
if (fpnum_sign < 0)
outchar ('-');
else if (info->showsign)
outchar ('+');
else if (info->space)
outchar (' ');
PRINT (special, wspecial, 3);
if (info->left && width > 0)
PADN (' ', width);
return done;
}
/* Prepare to print the number. We want to use `__printf_fp' so we
have to prepare a `printf_info' structure. */
fp_info = *info;
fp_info.spec = 'f';
fp_info.prec = info->prec < 0 ? 3 : info->prec;
fp_info.wide = wide;
if (fp_info.left && fp_info.pad == L' ')
{
/* We must do the padding ourself since the unit character must
be placed before the padding spaces. */
fp_info.width = 0;
done = __printf_fp (fp, &fp_info, &ptr);
if (done > 0)
{
outchar (*tag);
if (info->width > done)
PADN (' ', info->width - done);
}
}
else
{
/* We can let __printf_fp do all the printing and just add our
unit character afterwards. */
fp_info.width = info->width - 1;
done = __printf_fp (fp, &fp_info, &ptr);
if (done > 0)
outchar (*tag);
}
return done;
}
