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Correct handling of zero-padded negative numbers; transfer the sign 

BEFORE adding the zeroes.
This commit is contained in:
Bill Medland 2002-04-20 20:53:59 +00:00 committed by Alexandre Julliard
parent c31086870f
commit 28cbea801c
1 changed files with 31 additions and 7 deletions
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38
dlls/user/wsprintf.c
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@ -277,7 +277,7 @@ static INT16 wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
{
WPRINTF_FORMAT format;
LPSTR p = buffer;
UINT i, len;
UINT i, len, sign;
CHAR number[20];
WPRINTF_DATA cur_arg;
SEGPTR seg_str;
@ -318,6 +318,7 @@ static INT16 wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
continue;
}
len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
sign = 0;
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
@ -346,9 +347,16 @@ static INT16 wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
}
/* fall through */
case WPR_SIGNED:
/* Transfer the sign now, just in case it will be zero-padded*/
if (number[0] == '-')
{
*p++ = '-';
sign = 1;
}
/* fall through */
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
if (len) memcpy( p, number, len );
if (len > sign) memcpy( p, number + sign, len - sign );
p += len;
break;
case WPR_UNKNOWN:
@ -371,7 +379,7 @@ INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, va_list args )
{
WPRINTF_FORMAT format;
LPSTR p = buffer;
UINT i, len;
UINT i, len, sign;
CHAR number[20];
WPRINTF_DATA argData;
@ -409,6 +417,7 @@ INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, va_list args )
}
len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
sign = 0;
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
@ -440,10 +449,17 @@ INT WINAPI wvsnprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, va_list args )
}
/* fall through */
case WPR_SIGNED:
/* Transfer the sign now, just in case it will be zero-padded*/
if (number[0] == '-')
{
*p++ = '-';
sign = 1;
}
/* fall through */
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
memcpy( p, number, len );
p += len;
memcpy( p, number + sign, len - sign );
p += len - sign;
break;
case WPR_UNKNOWN:
continue;
@ -466,7 +482,7 @@ INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, va_list args )
{
WPRINTF_FORMAT format;
LPWSTR p = buffer;
UINT i, len;
UINT i, len, sign;
CHAR number[20];
WPRINTF_DATA argData;
@ -504,6 +520,7 @@ INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, va_list args )
}
len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
sign = 0;
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
@ -535,9 +552,16 @@ INT WINAPI wvsnprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, va_list args )
}
/* fall through */
case WPR_SIGNED:
/* Transfer the sign now, just in case it will be zero-padded*/
if (number[0] == '-')
{
*p++ = '-';
sign = 1;
}
/* fall through */
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
for (i = sign; i < len; i++) *p++ = (WCHAR)number[i];
break;
case WPR_UNKNOWN:
continue;