Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-05 02:15:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

[CRT]

Browse source 
Fix several bugs in new printf implementation.

svn path=/trunk/; revision=50274
This commit is contained in:
Timo Kreuzer 2011-01-03 10:33:58 +00:00
parent 92487266d8
commit 6cdeeb6a1e
1 changed files with 22 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

29
reactos/lib/sdk/crt/printf/streamout.c
View file

@ -108,7 +108,17 @@ format_float(
case _T('G'): case _T('G'):
digits = digits_u; digits = digits_u;
case _T('g'): case _T('g'):
if (precision > 0) precision--;
if (exponent < -4 || exponent >= precision) goto case_e; if (exponent < -4 || exponent >= precision) goto case_e;
/* Skip trailing 0s */
val64 = (__int64)(fpval * pow(10., precision) + 0.5);
while (precision && val64 % 10 == 0)
{
precision--;
val64 /= 10;
}
break; break;
case _T('E'): case _T('E'):
@ -128,7 +138,7 @@ format_float(
} }
/* Sign for the exponent */ /* Sign for the exponent */
*--(*string) = exponent > 0 ? _T('+') : _T('-'); *--(*string) = exponent >= 0 ? _T('+') : _T('-');
/* Add 'e' or 'E' separator */ /* Add 'e' or 'E' separator */
*--(*string) = digits[0xe]; *--(*string) = digits[0xe];
@ -173,9 +183,8 @@ format_float(
} }
else else
{ {
fpval *= pow(10., precision); /* Digits after the decimal point */
val64 = (__int64)(fpval + 0.5); val64 = (__int64)(fpval * pow(10., precision) + 0.5);
while (num_digits-- > 0) while (num_digits-- > 0)
{ {
*--(*string) = digits[val64 % 10]; *--(*string) = digits[val64 % 10];
@ -183,7 +192,8 @@ format_float(
} }
} }
*--(*string) = _T('.'); if (precision > 0 || flags & FLAG_SPECIAL)
*--(*string) = _T('.');
/* Digits before the decimal point */ /* Digits before the decimal point */
do do
@ -372,6 +382,7 @@ streamout(FILE *stream, const TCHAR *format, va_list argptr)
if (chr == _T('h')) flags |= FLAG_SHORT; if (chr == _T('h')) flags |= FLAG_SHORT;
else if (chr == _T('w')) flags |= FLAG_WIDECHAR; else if (chr == _T('w')) flags |= FLAG_WIDECHAR;
else if (chr == _T('L')) flags |= 0; // FIXME: long double else if (chr == _T('L')) flags |= 0; // FIXME: long double
else if (chr == _T('F')) flags |= 0; // FIXME: what is that?
else if (chr == _T('l')) else if (chr == _T('l'))
{ {
flags |= FLAG_LONG; flags |= FLAG_LONG;
@ -483,6 +494,7 @@ streamout(FILE *stream, const TCHAR *format, va_list argptr)
else else
len = strlen((char*)string); len = strlen((char*)string);
if (precision >= 0 && len > precision) len = precision; if (precision >= 0 && len > precision) len = precision;
precision = 0;
break; break;
case _T('G'): case _T('G'):
@ -521,9 +533,12 @@ streamout(FILE *stream, const TCHAR *format, va_list argptr)
case _T('o'): case _T('o'):
base = 8; base = 8;
if (flags & FLAG_SPECIAL) prefix = _T("0"); if (flags & FLAG_SPECIAL)
{
prefix = _T("0");
if (precision > 0) precision--;
}
goto case_unsigned; goto case_unsigned;
/* Fall through */
case _T('p'): case _T('p'):
precision = 2 * sizeof(void*); precision = 2 * sizeof(void*);