oleaut32: Fixed VarBstrFromDate behavior on dates before year 1600.

This commit is contained in:
Piotr Caban 2013-02-22 18:46:32 +01:00 committed by Alexandre Julliard
parent 8f7d1ed520
commit 209b58c64e
2 changed files with 118 additions and 4 deletions

View file

@ -4952,7 +4952,7 @@ static void test_VarBstrFromDate(void)
BSTR_DATE(1461.0, "12/31/1903");
BSTR_DATE(1461.5, "12/31/1903 12:00:00 PM");
BSTR_DATE(-49192.24, "4/24/1765 5:45:36 AM");
todo_wine { BSTR_DATE(-657434.0, "1/1/100"); }
BSTR_DATE(-657434.0, "1/1/100");
BSTR_DATE(2958465.0, "12/31/9999");
#undef BSTR_DATE

View file

@ -6576,6 +6576,120 @@ HRESULT WINAPI VarBstrFromCy(CY cyIn, LCID lcid, ULONG dwFlags, BSTR *pbstrOut)
return *pbstrOut ? S_OK : E_OUTOFMEMORY;
}
static inline int output_int_len(int o, int min_len, WCHAR *date, int date_len)
{
int len, tmp;
if(min_len >= date_len)
return -1;
for(len=0, tmp=o; tmp; tmp/=10) len++;
if(!len) len++;
if(len >= date_len)
return -1;
for(tmp=min_len-len; tmp>0; tmp--)
*date++ = '0';
for(tmp=len; tmp>0; tmp--, o/=10)
date[tmp-1] = '0' + o%10;
return min_len>len ? min_len : len;
}
/* format date string, similar to GetDateFormatW function but works on bigger range of dates */
static BOOL get_date_format(LCID lcid, DWORD flags, const SYSTEMTIME *st,
const WCHAR *fmt, WCHAR *date, int date_len)
{
static const LCTYPE dayname[] = {
LOCALE_SDAYNAME7, LOCALE_SDAYNAME1, LOCALE_SDAYNAME2, LOCALE_SDAYNAME3,
LOCALE_SDAYNAME4, LOCALE_SDAYNAME5, LOCALE_SDAYNAME6
};
static const LCTYPE sdayname[] = {
LOCALE_SABBREVDAYNAME7, LOCALE_SABBREVDAYNAME1, LOCALE_SABBREVDAYNAME2,
LOCALE_SABBREVDAYNAME3, LOCALE_SABBREVDAYNAME4, LOCALE_SABBREVDAYNAME5,
LOCALE_SABBREVDAYNAME6
};
static const LCTYPE monthname[] = {
LOCALE_SMONTHNAME1, LOCALE_SMONTHNAME2, LOCALE_SMONTHNAME3, LOCALE_SMONTHNAME4,
LOCALE_SMONTHNAME5, LOCALE_SMONTHNAME6, LOCALE_SMONTHNAME7, LOCALE_SMONTHNAME8,
LOCALE_SMONTHNAME9, LOCALE_SMONTHNAME10, LOCALE_SMONTHNAME11, LOCALE_SMONTHNAME12
};
static const LCTYPE smonthname[] = {
LOCALE_SABBREVMONTHNAME1, LOCALE_SABBREVMONTHNAME2, LOCALE_SABBREVMONTHNAME3,
LOCALE_SABBREVMONTHNAME4, LOCALE_SABBREVMONTHNAME5, LOCALE_SABBREVMONTHNAME6,
LOCALE_SABBREVMONTHNAME7, LOCALE_SABBREVMONTHNAME8, LOCALE_SABBREVMONTHNAME9,
LOCALE_SABBREVMONTHNAME10, LOCALE_SABBREVMONTHNAME11, LOCALE_SABBREVMONTHNAME12
};
if(flags & ~(LOCALE_NOUSEROVERRIDE|VAR_DATEVALUEONLY))
FIXME("ignoring flags %x\n", flags);
flags &= LOCALE_NOUSEROVERRIDE;
while(*fmt && date_len) {
int count = 1;
switch(*fmt) {
case 'd':
case 'M':
case 'y':
case 'g':
while(*fmt == *(fmt+count))
count++;
fmt += count-1;
}
switch(*fmt) {
case 'd':
if(count >= 4)
count = GetLocaleInfoW(lcid, dayname[st->wDayOfWeek] | flags, date, date_len)-1;
else if(count == 3)
count = GetLocaleInfoW(lcid, sdayname[st->wDayOfWeek] | flags, date, date_len)-1;
else
count = output_int_len(st->wDay, count, date, date_len);
break;
case 'M':
if(count >= 4)
count = GetLocaleInfoW(lcid, monthname[st->wMonth-1] | flags, date, date_len)-1;
else if(count == 3)
count = GetLocaleInfoW(lcid, smonthname[st->wMonth-1] | flags, date, date_len)-1;
else
count = output_int_len(st->wMonth, count, date, date_len);
break;
case 'y':
if(count >= 3)
count = output_int_len(st->wYear, 0, date, date_len);
else
count = output_int_len(st->wYear%100, count, date, date_len);
break;
case 'g':
if(count == 2) {
FIXME("Should be using GetCalendarInfo(CAL_SERASTRING), defaulting to 'AD'\n");
*date++ = 'A';
date_len--;
if(date_len)
*date = 'D';
else
count = -1;
break;
}
/* fall through */
default:
*date = *fmt;
}
if(count < 0)
break;
fmt++;
date += count;
date_len -= count;
}
if(!date_len)
return FALSE;
*date++ = 0;
return TRUE;
}
/******************************************************************************
* VarBstrFromDate [OLEAUT32.114]
*
@ -6596,7 +6710,7 @@ HRESULT WINAPI VarBstrFromDate(DATE dateIn, LCID lcid, ULONG dwFlags, BSTR* pbst
{
SYSTEMTIME st;
DWORD dwFormatFlags = dwFlags & LOCALE_NOUSEROVERRIDE;
WCHAR date[128], *time;
WCHAR date[128], fmt_buff[80], *time;
TRACE("(%g,0x%08x,0x%08x,%p)\n", dateIn, lcid, dwFlags, pbstrOut);
@ -6626,8 +6740,8 @@ HRESULT WINAPI VarBstrFromDate(DATE dateIn, LCID lcid, ULONG dwFlags, BSTR* pbst
if (dwFlags & VAR_TIMEVALUEONLY)
date[0] = '\0';
else
if (!GetDateFormatW(lcid, dwFormatFlags|DATE_SHORTDATE, &st, NULL, date,
sizeof(date)/sizeof(WCHAR)))
if (!GetLocaleInfoW(lcid, LOCALE_SSHORTDATE, fmt_buff, sizeof(fmt_buff)/sizeof(WCHAR)) ||
!get_date_format(lcid, dwFlags, &st, fmt_buff, date, sizeof(date)/sizeof(WCHAR)))
return E_INVALIDARG;
if (!(dwFlags & VAR_DATEVALUEONLY))