4 * Copyright 1998 Jean-Claude Cote
5 * Copyright 2003 Jon Griffiths
6 * Copyright 2005 Daniel Remenak
8 * The alorithm for conversion from Julian days to day/month/year is based on
9 * that devised by Henry Fliegel, as implemented in PostgreSQL, which is
10 * Copyright 1994-7 Regents of the University of California
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #define NONAMELESSUNION
35 #define NONAMELESSSTRUCT
39 #include "wine/unicode.h"
42 #include "wine/debug.h"
44 WINE_DEFAULT_DEBUG_CHANNEL(variant);
46 const char* wine_vtypes[VT_CLSID] =
48 "VT_EMPTY","VT_NULL","VT_I2","VT_I4","VT_R4","VT_R8","VT_CY","VT_DATE",
49 "VT_BSTR","VT_DISPATCH","VT_ERROR","VT_BOOL","VT_VARIANT","VT_UNKNOWN",
50 "VT_DECIMAL","15","VT_I1","VT_UI1","VT_UI2","VT_UI4","VT_I8","VT_UI8",
51 "VT_INT","VT_UINT","VT_VOID","VT_HRESULT","VT_PTR","VT_SAFEARRAY",
52 "VT_CARRAY","VT_USERDEFINED","VT_LPSTR","VT_LPWSTR""32","33","34","35",
53 "VT_RECORD","VT_INT_PTR","VT_UINT_PTR","39","40","41","42","43","44","45",
54 "46","47","48","49","50","51","52","53","54","55","56","57","58","59","60",
55 "61","62","63","VT_FILETIME","VT_BLOB","VT_STREAM","VT_STORAGE",
56 "VT_STREAMED_OBJECT","VT_STORED_OBJECT","VT_BLOB_OBJECT","VT_CF","VT_CLSID"
59 const char* wine_vflags[16] =
64 "|VT_VECTOR|VT_ARRAY",
66 "|VT_VECTOR|VT_ARRAY",
68 "|VT_VECTOR|VT_ARRAY|VT_BYREF",
70 "|VT_VECTOR|VT_HARDTYPE",
71 "|VT_ARRAY|VT_HARDTYPE",
72 "|VT_VECTOR|VT_ARRAY|VT_HARDTYPE",
73 "|VT_BYREF|VT_HARDTYPE",
74 "|VT_VECTOR|VT_ARRAY|VT_HARDTYPE",
75 "|VT_ARRAY|VT_BYREF|VT_HARDTYPE",
76 "|VT_VECTOR|VT_ARRAY|VT_BYREF|VT_HARDTYPE",
79 /* Convert a variant from one type to another */
80 static inline HRESULT VARIANT_Coerce(VARIANTARG* pd, LCID lcid, USHORT wFlags,
81 VARIANTARG* ps, VARTYPE vt)
83 HRESULT res = DISP_E_TYPEMISMATCH;
84 VARTYPE vtFrom = V_TYPE(ps);
87 TRACE("(%p->(%s%s),0x%08lx,0x%04x,%p->(%s%s),%s%s)\n", pd, debugstr_VT(pd),
88 debugstr_VF(pd), lcid, wFlags, ps, debugstr_VT(ps), debugstr_VF(ps),
89 debugstr_vt(vt), debugstr_vf(vt));
91 if (vt == VT_BSTR || vtFrom == VT_BSTR)
93 /* All flags passed to low level function are only used for
94 * changing to or from strings. Map these here.
96 if (wFlags & VARIANT_LOCALBOOL)
97 dwFlags |= VAR_LOCALBOOL;
98 if (wFlags & VARIANT_CALENDAR_HIJRI)
99 dwFlags |= VAR_CALENDAR_HIJRI;
100 if (wFlags & VARIANT_CALENDAR_THAI)
101 dwFlags |= VAR_CALENDAR_THAI;
102 if (wFlags & VARIANT_CALENDAR_GREGORIAN)
103 dwFlags |= VAR_CALENDAR_GREGORIAN;
104 if (wFlags & VARIANT_NOUSEROVERRIDE)
105 dwFlags |= LOCALE_NOUSEROVERRIDE;
106 if (wFlags & VARIANT_USE_NLS)
107 dwFlags |= LOCALE_USE_NLS;
110 /* Map int/uint to i4/ui4 */
113 else if (vt == VT_UINT)
116 if (vtFrom == VT_INT)
118 else if (vtFrom == VT_UINT)
122 return VariantCopy(pd, ps);
124 if (wFlags & VARIANT_NOVALUEPROP && vtFrom == VT_DISPATCH && vt != VT_UNKNOWN)
126 /* VARIANT_NOVALUEPROP prevents IDispatch objects from being coerced by
127 * accessing the default object property.
129 return DISP_E_TYPEMISMATCH;
135 if (vtFrom == VT_NULL)
136 return DISP_E_TYPEMISMATCH;
137 /* ... Fall through */
139 if (vtFrom <= VT_UINT && vtFrom != (VARTYPE)15 && vtFrom != VT_ERROR)
141 res = VariantClear( pd );
142 if (vt == VT_NULL && SUCCEEDED(res))
150 case VT_EMPTY: V_I1(pd) = 0; return S_OK;
151 case VT_I2: return VarI1FromI2(V_I2(ps), &V_I1(pd));
152 case VT_I4: return VarI1FromI4(V_I4(ps), &V_I1(pd));
153 case VT_UI1: V_I1(pd) = V_UI1(ps); return S_OK;
154 case VT_UI2: return VarI1FromUI2(V_UI2(ps), &V_I1(pd));
155 case VT_UI4: return VarI1FromUI4(V_UI4(ps), &V_I1(pd));
156 case VT_I8: return VarI1FromI8(V_I8(ps), &V_I1(pd));
157 case VT_UI8: return VarI1FromUI8(V_UI8(ps), &V_I1(pd));
158 case VT_R4: return VarI1FromR4(V_R4(ps), &V_I1(pd));
159 case VT_R8: return VarI1FromR8(V_R8(ps), &V_I1(pd));
160 case VT_DATE: return VarI1FromDate(V_DATE(ps), &V_I1(pd));
161 case VT_BOOL: return VarI1FromBool(V_BOOL(ps), &V_I1(pd));
162 case VT_CY: return VarI1FromCy(V_CY(ps), &V_I1(pd));
163 case VT_DECIMAL: return VarI1FromDec(&V_DECIMAL(ps), &V_I1(pd) );
164 case VT_DISPATCH: return VarI1FromDisp(V_DISPATCH(ps), lcid, &V_I1(pd) );
165 case VT_BSTR: return VarI1FromStr(V_BSTR(ps), lcid, dwFlags, &V_I1(pd) );
172 case VT_EMPTY: V_I2(pd) = 0; return S_OK;
173 case VT_I1: return VarI2FromI1(V_I1(ps), &V_I2(pd));
174 case VT_I4: return VarI2FromI4(V_I4(ps), &V_I2(pd));
175 case VT_UI1: return VarI2FromUI1(V_UI1(ps), &V_I2(pd));
176 case VT_UI2: V_I2(pd) = V_UI2(ps); return S_OK;
177 case VT_UI4: return VarI2FromUI4(V_UI4(ps), &V_I2(pd));
178 case VT_I8: return VarI2FromI8(V_I8(ps), &V_I2(pd));
179 case VT_UI8: return VarI2FromUI8(V_UI8(ps), &V_I2(pd));
180 case VT_R4: return VarI2FromR4(V_R4(ps), &V_I2(pd));
181 case VT_R8: return VarI2FromR8(V_R8(ps), &V_I2(pd));
182 case VT_DATE: return VarI2FromDate(V_DATE(ps), &V_I2(pd));
183 case VT_BOOL: return VarI2FromBool(V_BOOL(ps), &V_I2(pd));
184 case VT_CY: return VarI2FromCy(V_CY(ps), &V_I2(pd));
185 case VT_DECIMAL: return VarI2FromDec(&V_DECIMAL(ps), &V_I2(pd));
186 case VT_DISPATCH: return VarI2FromDisp(V_DISPATCH(ps), lcid, &V_I2(pd));
187 case VT_BSTR: return VarI2FromStr(V_BSTR(ps), lcid, dwFlags, &V_I2(pd));
194 case VT_EMPTY: V_I4(pd) = 0; return S_OK;
195 case VT_I1: return VarI4FromI1(V_I1(ps), &V_I4(pd));
196 case VT_I2: return VarI4FromI2(V_I2(ps), &V_I4(pd));
197 case VT_UI1: return VarI4FromUI1(V_UI1(ps), &V_I4(pd));
198 case VT_UI2: return VarI4FromUI2(V_UI2(ps), &V_I4(pd));
199 case VT_UI4: V_I4(pd) = V_UI4(ps); return S_OK;
200 case VT_I8: return VarI4FromI8(V_I8(ps), &V_I4(pd));
201 case VT_UI8: return VarI4FromUI8(V_UI8(ps), &V_I4(pd));
202 case VT_R4: return VarI4FromR4(V_R4(ps), &V_I4(pd));
203 case VT_R8: return VarI4FromR8(V_R8(ps), &V_I4(pd));
204 case VT_DATE: return VarI4FromDate(V_DATE(ps), &V_I4(pd));
205 case VT_BOOL: return VarI4FromBool(V_BOOL(ps), &V_I4(pd));
206 case VT_CY: return VarI4FromCy(V_CY(ps), &V_I4(pd));
207 case VT_DECIMAL: return VarI4FromDec(&V_DECIMAL(ps), &V_I4(pd));
208 case VT_DISPATCH: return VarI4FromDisp(V_DISPATCH(ps), lcid, &V_I4(pd));
209 case VT_BSTR: return VarI4FromStr(V_BSTR(ps), lcid, dwFlags, &V_I4(pd));
216 case VT_EMPTY: V_UI1(pd) = 0; return S_OK;
217 case VT_I1: V_UI1(pd) = V_I1(ps); return S_OK;
218 case VT_I2: return VarUI1FromI2(V_I2(ps), &V_UI1(pd));
219 case VT_I4: return VarUI1FromI4(V_I4(ps), &V_UI1(pd));
220 case VT_UI2: return VarUI1FromUI2(V_UI2(ps), &V_UI1(pd));
221 case VT_UI4: return VarUI1FromUI4(V_UI4(ps), &V_UI1(pd));
222 case VT_I8: return VarUI1FromI8(V_I8(ps), &V_UI1(pd));
223 case VT_UI8: return VarUI1FromUI8(V_UI8(ps), &V_UI1(pd));
224 case VT_R4: return VarUI1FromR4(V_R4(ps), &V_UI1(pd));
225 case VT_R8: return VarUI1FromR8(V_R8(ps), &V_UI1(pd));
226 case VT_DATE: return VarUI1FromDate(V_DATE(ps), &V_UI1(pd));
227 case VT_BOOL: return VarUI1FromBool(V_BOOL(ps), &V_UI1(pd));
228 case VT_CY: return VarUI1FromCy(V_CY(ps), &V_UI1(pd));
229 case VT_DECIMAL: return VarUI1FromDec(&V_DECIMAL(ps), &V_UI1(pd));
230 case VT_DISPATCH: return VarUI1FromDisp(V_DISPATCH(ps), lcid, &V_UI1(pd));
231 case VT_BSTR: return VarUI1FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI1(pd));
238 case VT_EMPTY: V_UI2(pd) = 0; return S_OK;
239 case VT_I1: return VarUI2FromI1(V_I1(ps), &V_UI2(pd));
240 case VT_I2: V_UI2(pd) = V_I2(ps); return S_OK;
241 case VT_I4: return VarUI2FromI4(V_I4(ps), &V_UI2(pd));
242 case VT_UI1: return VarUI2FromUI1(V_UI1(ps), &V_UI2(pd));
243 case VT_UI4: return VarUI2FromUI4(V_UI4(ps), &V_UI2(pd));
244 case VT_I8: return VarUI4FromI8(V_I8(ps), &V_UI4(pd));
245 case VT_UI8: return VarUI4FromUI8(V_UI8(ps), &V_UI4(pd));
246 case VT_R4: return VarUI2FromR4(V_R4(ps), &V_UI2(pd));
247 case VT_R8: return VarUI2FromR8(V_R8(ps), &V_UI2(pd));
248 case VT_DATE: return VarUI2FromDate(V_DATE(ps), &V_UI2(pd));
249 case VT_BOOL: return VarUI2FromBool(V_BOOL(ps), &V_UI2(pd));
250 case VT_CY: return VarUI2FromCy(V_CY(ps), &V_UI2(pd));
251 case VT_DECIMAL: return VarUI2FromDec(&V_DECIMAL(ps), &V_UI2(pd));
252 case VT_DISPATCH: return VarUI2FromDisp(V_DISPATCH(ps), lcid, &V_UI2(pd));
253 case VT_BSTR: return VarUI2FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI2(pd));
260 case VT_EMPTY: V_UI4(pd) = 0; return S_OK;
261 case VT_I1: return VarUI4FromI1(V_I1(ps), &V_UI4(pd));
262 case VT_I2: return VarUI4FromI2(V_I2(ps), &V_UI4(pd));
263 case VT_I4: V_UI4(pd) = V_I4(ps); return S_OK;
264 case VT_UI1: return VarUI4FromUI1(V_UI1(ps), &V_UI4(pd));
265 case VT_UI2: return VarUI4FromUI2(V_UI2(ps), &V_UI4(pd));
266 case VT_I8: return VarUI4FromI8(V_I8(ps), &V_UI4(pd));
267 case VT_UI8: return VarUI4FromUI8(V_UI8(ps), &V_UI4(pd));
268 case VT_R4: return VarUI4FromR4(V_R4(ps), &V_UI4(pd));
269 case VT_R8: return VarUI4FromR8(V_R8(ps), &V_UI4(pd));
270 case VT_DATE: return VarUI4FromDate(V_DATE(ps), &V_UI4(pd));
271 case VT_BOOL: return VarUI4FromBool(V_BOOL(ps), &V_UI4(pd));
272 case VT_CY: return VarUI4FromCy(V_CY(ps), &V_UI4(pd));
273 case VT_DECIMAL: return VarUI4FromDec(&V_DECIMAL(ps), &V_UI4(pd));
274 case VT_DISPATCH: return VarUI4FromDisp(V_DISPATCH(ps), lcid, &V_UI4(pd));
275 case VT_BSTR: return VarUI4FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI4(pd));
282 case VT_EMPTY: V_UI8(pd) = 0; return S_OK;
283 case VT_I4: if (V_I4(ps) < 0) return DISP_E_OVERFLOW; V_UI8(pd) = V_I4(ps); return S_OK;
284 case VT_I1: return VarUI8FromI1(V_I1(ps), &V_UI8(pd));
285 case VT_I2: return VarUI8FromI2(V_I2(ps), &V_UI8(pd));
286 case VT_UI1: return VarUI8FromUI1(V_UI1(ps), &V_UI8(pd));
287 case VT_UI2: return VarUI8FromUI2(V_UI2(ps), &V_UI8(pd));
288 case VT_UI4: return VarUI8FromUI4(V_UI4(ps), &V_UI8(pd));
289 case VT_I8: V_UI8(pd) = V_I8(ps); return S_OK;
290 case VT_R4: return VarUI8FromR4(V_R4(ps), &V_UI8(pd));
291 case VT_R8: return VarUI8FromR8(V_R8(ps), &V_UI8(pd));
292 case VT_DATE: return VarUI8FromDate(V_DATE(ps), &V_UI8(pd));
293 case VT_BOOL: return VarUI8FromBool(V_BOOL(ps), &V_UI8(pd));
294 case VT_CY: return VarUI8FromCy(V_CY(ps), &V_UI8(pd));
295 case VT_DECIMAL: return VarUI8FromDec(&V_DECIMAL(ps), &V_UI8(pd));
296 case VT_DISPATCH: return VarUI8FromDisp(V_DISPATCH(ps), lcid, &V_UI8(pd));
297 case VT_BSTR: return VarUI8FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI8(pd));
304 case VT_EMPTY: V_I8(pd) = 0; return S_OK;
305 case VT_I4: V_I8(pd) = V_I4(ps); return S_OK;
306 case VT_I1: return VarI8FromI1(V_I1(ps), &V_I8(pd));
307 case VT_I2: return VarI8FromI2(V_I2(ps), &V_I8(pd));
308 case VT_UI1: return VarI8FromUI1(V_UI1(ps), &V_I8(pd));
309 case VT_UI2: return VarI8FromUI2(V_UI2(ps), &V_I8(pd));
310 case VT_UI4: return VarI8FromUI4(V_UI4(ps), &V_I8(pd));
311 case VT_UI8: V_I8(pd) = V_UI8(ps); return S_OK;
312 case VT_R4: return VarI8FromR4(V_R4(ps), &V_I8(pd));
313 case VT_R8: return VarI8FromR8(V_R8(ps), &V_I8(pd));
314 case VT_DATE: return VarI8FromDate(V_DATE(ps), &V_I8(pd));
315 case VT_BOOL: return VarI8FromBool(V_BOOL(ps), &V_I8(pd));
316 case VT_CY: return VarI8FromCy(V_CY(ps), &V_I8(pd));
317 case VT_DECIMAL: return VarI8FromDec(&V_DECIMAL(ps), &V_I8(pd));
318 case VT_DISPATCH: return VarI8FromDisp(V_DISPATCH(ps), lcid, &V_I8(pd));
319 case VT_BSTR: return VarI8FromStr(V_BSTR(ps), lcid, dwFlags, &V_I8(pd));
326 case VT_EMPTY: V_R4(pd) = 0.0f; return S_OK;
327 case VT_I1: return VarR4FromI1(V_I1(ps), &V_R4(pd));
328 case VT_I2: return VarR4FromI2(V_I2(ps), &V_R4(pd));
329 case VT_I4: return VarR4FromI4(V_I4(ps), &V_R4(pd));
330 case VT_UI1: return VarR4FromUI1(V_UI1(ps), &V_R4(pd));
331 case VT_UI2: return VarR4FromUI2(V_UI2(ps), &V_R4(pd));
332 case VT_UI4: return VarR4FromUI4(V_UI4(ps), &V_R4(pd));
333 case VT_I8: return VarR4FromI8(V_I8(ps), &V_R4(pd));
334 case VT_UI8: return VarR4FromUI8(V_UI8(ps), &V_R4(pd));
335 case VT_R8: return VarR4FromR8(V_R8(ps), &V_R4(pd));
336 case VT_DATE: return VarR4FromDate(V_DATE(ps), &V_R4(pd));
337 case VT_BOOL: return VarR4FromBool(V_BOOL(ps), &V_R4(pd));
338 case VT_CY: return VarR4FromCy(V_CY(ps), &V_R4(pd));
339 case VT_DECIMAL: return VarR4FromDec(&V_DECIMAL(ps), &V_R4(pd));
340 case VT_DISPATCH: return VarR4FromDisp(V_DISPATCH(ps), lcid, &V_R4(pd));
341 case VT_BSTR: return VarR4FromStr(V_BSTR(ps), lcid, dwFlags, &V_R4(pd));
348 case VT_EMPTY: V_R8(pd) = 0.0; return S_OK;
349 case VT_I1: return VarR8FromI1(V_I1(ps), &V_R8(pd));
350 case VT_I2: return VarR8FromI2(V_I2(ps), &V_R8(pd));
351 case VT_I4: return VarR8FromI4(V_I4(ps), &V_R8(pd));
352 case VT_UI1: return VarR8FromUI1(V_UI1(ps), &V_R8(pd));
353 case VT_UI2: return VarR8FromUI2(V_UI2(ps), &V_R8(pd));
354 case VT_UI4: return VarR8FromUI4(V_UI4(ps), &V_R8(pd));
355 case VT_I8: return VarR8FromI8(V_I8(ps), &V_R8(pd));
356 case VT_UI8: return VarR8FromUI8(V_UI8(ps), &V_R8(pd));
357 case VT_R4: return VarR8FromR4(V_R4(ps), &V_R8(pd));
358 case VT_DATE: return VarR8FromDate(V_DATE(ps), &V_R8(pd));
359 case VT_BOOL: return VarR8FromBool(V_BOOL(ps), &V_R8(pd));
360 case VT_CY: return VarR8FromCy(V_CY(ps), &V_R8(pd));
361 case VT_DECIMAL: return VarR8FromDec(&V_DECIMAL(ps), &V_R8(pd));
362 case VT_DISPATCH: return VarR8FromDisp(V_DISPATCH(ps), lcid, &V_R8(pd));
363 case VT_BSTR: return VarR8FromStr(V_BSTR(ps), lcid, dwFlags, &V_R8(pd));
370 case VT_EMPTY: V_DATE(pd) = 0.0; return S_OK;
371 case VT_I1: return VarDateFromI1(V_I1(ps), &V_DATE(pd));
372 case VT_I2: return VarDateFromI2(V_I2(ps), &V_DATE(pd));
373 case VT_I4: return VarDateFromI4(V_I4(ps), &V_DATE(pd));
374 case VT_UI1: return VarDateFromUI1(V_UI1(ps), &V_DATE(pd));
375 case VT_UI2: return VarDateFromUI2(V_UI2(ps), &V_DATE(pd));
376 case VT_UI4: return VarDateFromUI4(V_UI4(ps), &V_DATE(pd));
377 case VT_I8: return VarDateFromI8(V_I8(ps), &V_DATE(pd));
378 case VT_UI8: return VarDateFromUI8(V_UI8(ps), &V_DATE(pd));
379 case VT_R4: return VarDateFromR4(V_R4(ps), &V_DATE(pd));
380 case VT_R8: return VarDateFromR8(V_R8(ps), &V_DATE(pd));
381 case VT_BOOL: return VarDateFromBool(V_BOOL(ps), &V_DATE(pd));
382 case VT_CY: return VarDateFromCy(V_CY(ps), &V_DATE(pd));
383 case VT_DECIMAL: return VarDateFromDec(&V_DECIMAL(ps), &V_DATE(pd));
384 case VT_DISPATCH: return VarDateFromDisp(V_DISPATCH(ps), lcid, &V_DATE(pd));
385 case VT_BSTR: return VarDateFromStr(V_BSTR(ps), lcid, dwFlags, &V_DATE(pd));
392 case VT_EMPTY: V_BOOL(pd) = 0; return S_OK;
393 case VT_I1: return VarBoolFromI1(V_I1(ps), &V_BOOL(pd));
394 case VT_I2: return VarBoolFromI2(V_I2(ps), &V_BOOL(pd));
395 case VT_I4: return VarBoolFromI4(V_I4(ps), &V_BOOL(pd));
396 case VT_UI1: return VarBoolFromUI1(V_UI1(ps), &V_BOOL(pd));
397 case VT_UI2: return VarBoolFromUI2(V_UI2(ps), &V_BOOL(pd));
398 case VT_UI4: return VarBoolFromUI4(V_UI4(ps), &V_BOOL(pd));
399 case VT_I8: return VarBoolFromI8(V_I8(ps), &V_BOOL(pd));
400 case VT_UI8: return VarBoolFromUI8(V_UI8(ps), &V_BOOL(pd));
401 case VT_R4: return VarBoolFromR4(V_R4(ps), &V_BOOL(pd));
402 case VT_R8: return VarBoolFromR8(V_R8(ps), &V_BOOL(pd));
403 case VT_DATE: return VarBoolFromDate(V_DATE(ps), &V_BOOL(pd));
404 case VT_CY: return VarBoolFromCy(V_CY(ps), &V_BOOL(pd));
405 case VT_DECIMAL: return VarBoolFromDec(&V_DECIMAL(ps), &V_BOOL(pd));
406 case VT_DISPATCH: return VarBoolFromDisp(V_DISPATCH(ps), lcid, &V_BOOL(pd));
407 case VT_BSTR: return VarBoolFromStr(V_BSTR(ps), lcid, dwFlags, &V_BOOL(pd));
415 V_BSTR(pd) = SysAllocStringLen(NULL, 0);
416 return V_BSTR(pd) ? S_OK : E_OUTOFMEMORY;
418 if (wFlags & (VARIANT_ALPHABOOL|VARIANT_LOCALBOOL))
419 return VarBstrFromBool(V_BOOL(ps), lcid, dwFlags, &V_BSTR(pd));
420 return VarBstrFromI2(V_BOOL(ps), lcid, dwFlags, &V_BSTR(pd));
421 case VT_I1: return VarBstrFromI1(V_I1(ps), lcid, dwFlags, &V_BSTR(pd));
422 case VT_I2: return VarBstrFromI2(V_I2(ps), lcid, dwFlags, &V_BSTR(pd));
423 case VT_I4: return VarBstrFromI4(V_I4(ps), lcid, dwFlags, &V_BSTR(pd));
424 case VT_UI1: return VarBstrFromUI1(V_UI1(ps), lcid, dwFlags, &V_BSTR(pd));
425 case VT_UI2: return VarBstrFromUI2(V_UI2(ps), lcid, dwFlags, &V_BSTR(pd));
426 case VT_UI4: return VarBstrFromUI4(V_UI4(ps), lcid, dwFlags, &V_BSTR(pd));
427 case VT_I8: return VarBstrFromI8(V_I8(ps), lcid, dwFlags, &V_BSTR(pd));
428 case VT_UI8: return VarBstrFromUI8(V_UI8(ps), lcid, dwFlags, &V_BSTR(pd));
429 case VT_R4: return VarBstrFromR4(V_R4(ps), lcid, dwFlags, &V_BSTR(pd));
430 case VT_R8: return VarBstrFromR8(V_R8(ps), lcid, dwFlags, &V_BSTR(pd));
431 case VT_DATE: return VarBstrFromDate(V_DATE(ps), lcid, dwFlags, &V_BSTR(pd));
432 case VT_CY: return VarBstrFromCy(V_CY(ps), lcid, dwFlags, &V_BSTR(pd));
433 case VT_DECIMAL: return VarBstrFromDec(&V_DECIMAL(ps), lcid, dwFlags, &V_BSTR(pd));
434 /* case VT_DISPATCH: return VarBstrFromDisp(V_DISPATCH(ps), lcid, dwFlags, &V_BSTR(pd)); */
441 case VT_EMPTY: V_CY(pd).int64 = 0; return S_OK;
442 case VT_I1: return VarCyFromI1(V_I1(ps), &V_CY(pd));
443 case VT_I2: return VarCyFromI2(V_I2(ps), &V_CY(pd));
444 case VT_I4: return VarCyFromI4(V_I4(ps), &V_CY(pd));
445 case VT_UI1: return VarCyFromUI1(V_UI1(ps), &V_CY(pd));
446 case VT_UI2: return VarCyFromUI2(V_UI2(ps), &V_CY(pd));
447 case VT_UI4: return VarCyFromUI4(V_UI4(ps), &V_CY(pd));
448 case VT_I8: return VarCyFromI8(V_I8(ps), &V_CY(pd));
449 case VT_UI8: return VarCyFromUI8(V_UI8(ps), &V_CY(pd));
450 case VT_R4: return VarCyFromR4(V_R4(ps), &V_CY(pd));
451 case VT_R8: return VarCyFromR8(V_R8(ps), &V_CY(pd));
452 case VT_DATE: return VarCyFromDate(V_DATE(ps), &V_CY(pd));
453 case VT_BOOL: return VarCyFromBool(V_BOOL(ps), &V_CY(pd));
454 case VT_DECIMAL: return VarCyFromDec(&V_DECIMAL(ps), &V_CY(pd));
455 case VT_DISPATCH: return VarCyFromDisp(V_DISPATCH(ps), lcid, &V_CY(pd));
456 case VT_BSTR: return VarCyFromStr(V_BSTR(ps), lcid, dwFlags, &V_CY(pd));
465 DEC_SIGNSCALE(&V_DECIMAL(pd)) = SIGNSCALE(DECIMAL_POS,0);
466 DEC_HI32(&V_DECIMAL(pd)) = 0;
467 DEC_MID32(&V_DECIMAL(pd)) = 0;
468 /* VarDecFromBool() coerces to -1/0, ChangeTypeEx() coerces to 1/0.
469 * VT_NULL and VT_EMPTY always give a 0 value.
471 DEC_LO32(&V_DECIMAL(pd)) = vtFrom == VT_BOOL && V_BOOL(ps) ? 1 : 0;
473 case VT_I1: return VarDecFromI1(V_I1(ps), &V_DECIMAL(pd));
474 case VT_I2: return VarDecFromI2(V_I2(ps), &V_DECIMAL(pd));
475 case VT_I4: return VarDecFromI4(V_I4(ps), &V_DECIMAL(pd));
476 case VT_UI1: return VarDecFromUI1(V_UI1(ps), &V_DECIMAL(pd));
477 case VT_UI2: return VarDecFromUI2(V_UI2(ps), &V_DECIMAL(pd));
478 case VT_UI4: return VarDecFromUI4(V_UI4(ps), &V_DECIMAL(pd));
479 case VT_I8: return VarDecFromI8(V_I8(ps), &V_DECIMAL(pd));
480 case VT_UI8: return VarDecFromUI8(V_UI8(ps), &V_DECIMAL(pd));
481 case VT_R4: return VarDecFromR4(V_R4(ps), &V_DECIMAL(pd));
482 case VT_R8: return VarDecFromR8(V_R8(ps), &V_DECIMAL(pd));
483 case VT_DATE: return VarDecFromDate(V_DATE(ps), &V_DECIMAL(pd));
484 case VT_CY: return VarDecFromCy(V_CY(ps), &V_DECIMAL(pd));
485 case VT_DISPATCH: return VarDecFromDisp(V_DISPATCH(ps), lcid, &V_DECIMAL(pd));
486 case VT_BSTR: return VarDecFromStr(V_BSTR(ps), lcid, dwFlags, &V_DECIMAL(pd));
494 if (V_DISPATCH(ps) == NULL)
495 V_UNKNOWN(pd) = NULL;
497 res = IDispatch_QueryInterface(V_DISPATCH(ps), &IID_IUnknown, (LPVOID*)&V_UNKNOWN(pd));
506 if (V_UNKNOWN(ps) == NULL)
507 V_DISPATCH(pd) = NULL;
509 res = IUnknown_QueryInterface(V_UNKNOWN(ps), &IID_IDispatch, (LPVOID*)&V_DISPATCH(pd));
520 /* Coerce to/from an array */
521 static inline HRESULT VARIANT_CoerceArray(VARIANTARG* pd, VARIANTARG* ps, VARTYPE vt)
523 if (vt == VT_BSTR && V_VT(ps) == (VT_ARRAY|VT_UI1))
524 return BstrFromVector(V_ARRAY(ps), &V_BSTR(pd));
526 if (V_VT(ps) == VT_BSTR && vt == (VT_ARRAY|VT_UI1))
527 return VectorFromBstr(V_BSTR(ps), &V_ARRAY(ps));
530 return SafeArrayCopy(V_ARRAY(ps), &V_ARRAY(pd));
532 return DISP_E_TYPEMISMATCH;
535 /******************************************************************************
536 * Check if a variants type is valid.
538 static inline HRESULT VARIANT_ValidateType(VARTYPE vt)
540 VARTYPE vtExtra = vt & VT_EXTRA_TYPE;
544 if (!(vtExtra & (VT_VECTOR|VT_RESERVED)))
546 if (vt < VT_VOID || vt == VT_RECORD || vt == VT_CLSID)
548 if ((vtExtra & (VT_BYREF|VT_ARRAY)) && vt <= VT_NULL)
549 return DISP_E_BADVARTYPE;
550 if (vt != (VARTYPE)15)
554 return DISP_E_BADVARTYPE;
557 /******************************************************************************
558 * VariantInit [OLEAUT32.8]
560 * Initialise a variant.
563 * pVarg [O] Variant to initialise
569 * This function simply sets the type of the variant to VT_EMPTY. It does not
570 * free any existing value, use VariantClear() for that.
572 void WINAPI VariantInit(VARIANTARG* pVarg)
574 TRACE("(%p)\n", pVarg);
576 V_VT(pVarg) = VT_EMPTY; /* Native doesn't set any other fields */
579 /******************************************************************************
580 * VariantClear [OLEAUT32.9]
585 * pVarg [I/O] Variant to clear
588 * Success: S_OK. Any previous value in pVarg is freed and its type is set to VT_EMPTY.
589 * Failure: DISP_E_BADVARTYPE, if the variant is a not a valid variant type.
591 HRESULT WINAPI VariantClear(VARIANTARG* pVarg)
595 TRACE("(%p->(%s%s))\n", pVarg, debugstr_VT(pVarg), debugstr_VF(pVarg));
597 hres = VARIANT_ValidateType(V_VT(pVarg));
601 if (!V_ISBYREF(pVarg))
603 if (V_ISARRAY(pVarg) || V_VT(pVarg) == VT_SAFEARRAY)
606 hres = SafeArrayDestroy(V_ARRAY(pVarg));
608 else if (V_VT(pVarg) == VT_BSTR)
611 SysFreeString(V_BSTR(pVarg));
613 else if (V_VT(pVarg) == VT_RECORD)
615 struct __tagBRECORD* pBr = &V_UNION(pVarg,brecVal);
618 IRecordInfo_RecordClear(pBr->pRecInfo, pBr->pvRecord);
619 IRecordInfo_Release(pBr->pRecInfo);
622 else if (V_VT(pVarg) == VT_DISPATCH ||
623 V_VT(pVarg) == VT_UNKNOWN)
625 if (V_UNKNOWN(pVarg))
626 IUnknown_Release(V_UNKNOWN(pVarg));
628 else if (V_VT(pVarg) == VT_VARIANT)
630 if (V_VARIANTREF(pVarg))
631 VariantClear(V_VARIANTREF(pVarg));
634 V_VT(pVarg) = VT_EMPTY;
639 /******************************************************************************
640 * Copy an IRecordInfo object contained in a variant.
642 static HRESULT VARIANT_CopyIRecordInfo(struct __tagBRECORD* pBr)
650 hres = IRecordInfo_GetSize(pBr->pRecInfo, &ulSize);
653 PVOID pvRecord = HeapAlloc(GetProcessHeap(), 0, ulSize);
655 hres = E_OUTOFMEMORY;
658 memcpy(pvRecord, pBr->pvRecord, ulSize);
659 pBr->pvRecord = pvRecord;
661 hres = IRecordInfo_RecordCopy(pBr->pRecInfo, pvRecord, pvRecord);
663 IRecordInfo_AddRef(pBr->pRecInfo);
667 else if (pBr->pvRecord)
672 /******************************************************************************
673 * VariantCopy [OLEAUT32.10]
678 * pvargDest [O] Destination for copy
679 * pvargSrc [I] Source variant to copy
682 * Success: S_OK. pvargDest contains a copy of pvargSrc.
683 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid type.
684 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
685 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
686 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
689 * - If pvargSrc == pvargDest, this function does nothing, and succeeds if
690 * pvargSrc is valid. Otherwise, pvargDest is always cleared using
691 * VariantClear() before pvargSrc is copied to it. If clearing pvargDest
692 * fails, so does this function.
693 * - VT_CLSID is a valid type type for pvargSrc, but not for pvargDest.
694 * - For by-value non-intrinsic types, a deep copy is made, i.e. The whole value
695 * is copied rather than just any pointers to it.
696 * - For by-value object types the object pointer is copied and the objects
697 * reference count increased using IUnknown_AddRef().
698 * - For all by-reference types, only the referencing pointer is copied.
700 HRESULT WINAPI VariantCopy(VARIANTARG* pvargDest, VARIANTARG* pvargSrc)
704 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
705 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
706 debugstr_VF(pvargSrc));
708 if (V_TYPE(pvargSrc) == VT_CLSID || /* VT_CLSID is a special case */
709 FAILED(VARIANT_ValidateType(V_VT(pvargSrc))))
710 return DISP_E_BADVARTYPE;
712 if (pvargSrc != pvargDest &&
713 SUCCEEDED(hres = VariantClear(pvargDest)))
715 *pvargDest = *pvargSrc; /* Shallow copy the value */
717 if (!V_ISBYREF(pvargSrc))
719 if (V_ISARRAY(pvargSrc))
721 if (V_ARRAY(pvargSrc))
722 hres = SafeArrayCopy(V_ARRAY(pvargSrc), &V_ARRAY(pvargDest));
724 else if (V_VT(pvargSrc) == VT_BSTR)
726 if (V_BSTR(pvargSrc))
728 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)V_BSTR(pvargSrc), SysStringByteLen(V_BSTR(pvargSrc)));
729 if (!V_BSTR(pvargDest))
731 TRACE("!V_BSTR(pvargDest), SysAllocStringByteLen() failed to allocate %d bytes\n", SysStringByteLen(V_BSTR(pvargSrc)));
732 hres = E_OUTOFMEMORY;
736 else if (V_VT(pvargSrc) == VT_RECORD)
738 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
740 else if (V_VT(pvargSrc) == VT_DISPATCH ||
741 V_VT(pvargSrc) == VT_UNKNOWN)
743 if (V_UNKNOWN(pvargSrc))
744 IUnknown_AddRef(V_UNKNOWN(pvargSrc));
751 /* Return the byte size of a variants data */
752 static inline size_t VARIANT_DataSize(const VARIANT* pv)
757 case VT_UI1: return sizeof(BYTE);
759 case VT_UI2: return sizeof(SHORT);
763 case VT_UI4: return sizeof(LONG);
765 case VT_UI8: return sizeof(LONGLONG);
766 case VT_R4: return sizeof(float);
767 case VT_R8: return sizeof(double);
768 case VT_DATE: return sizeof(DATE);
769 case VT_BOOL: return sizeof(VARIANT_BOOL);
772 case VT_BSTR: return sizeof(void*);
773 case VT_CY: return sizeof(CY);
774 case VT_ERROR: return sizeof(SCODE);
776 TRACE("Shouldn't be called for vt %s%s!\n", debugstr_VT(pv), debugstr_VF(pv));
780 /******************************************************************************
781 * VariantCopyInd [OLEAUT32.11]
783 * Copy a variant, dereferencing it it is by-reference.
786 * pvargDest [O] Destination for copy
787 * pvargSrc [I] Source variant to copy
790 * Success: S_OK. pvargDest contains a copy of pvargSrc.
791 * Failure: An HRESULT error code indicating the error.
794 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid by-value type.
795 * E_INVALIDARG, if pvargSrc is an invalid by-reference type.
796 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
797 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
798 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
801 * - If pvargSrc is by-value, this function behaves exactly as VariantCopy().
802 * - If pvargSrc is by-reference, the value copied to pvargDest is the pointed-to
804 * - if pvargSrc == pvargDest, this function dereferences in place. Otherwise,
805 * pvargDest is always cleared using VariantClear() before pvargSrc is copied
806 * to it. If clearing pvargDest fails, so does this function.
808 HRESULT WINAPI VariantCopyInd(VARIANT* pvargDest, VARIANTARG* pvargSrc)
810 VARIANTARG vTmp, *pSrc = pvargSrc;
814 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
815 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
816 debugstr_VF(pvargSrc));
818 if (!V_ISBYREF(pvargSrc))
819 return VariantCopy(pvargDest, pvargSrc);
821 /* Argument checking is more lax than VariantCopy()... */
822 vt = V_TYPE(pvargSrc);
823 if (V_ISARRAY(pvargSrc) ||
824 (vt > VT_NULL && vt != (VARTYPE)15 && vt < VT_VOID &&
825 !(V_VT(pvargSrc) & (VT_VECTOR|VT_RESERVED))))
830 return E_INVALIDARG; /* ...And the return value for invalid types differs too */
832 if (pvargSrc == pvargDest)
834 /* In place copy. Use a shallow copy of pvargSrc & init pvargDest.
835 * This avoids an expensive VariantCopy() call - e.g. SafeArrayCopy().
839 V_VT(pvargDest) = VT_EMPTY;
843 /* Copy into another variant. Free the variant in pvargDest */
844 if (FAILED(hres = VariantClear(pvargDest)))
846 TRACE("VariantClear() of destination failed\n");
853 /* Native doesn't check that *V_ARRAYREF(pSrc) is valid */
854 hres = SafeArrayCopy(*V_ARRAYREF(pSrc), &V_ARRAY(pvargDest));
856 else if (V_VT(pSrc) == (VT_BSTR|VT_BYREF))
858 /* Native doesn't check that *V_BSTRREF(pSrc) is valid */
859 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)*V_BSTRREF(pSrc), SysStringByteLen(*V_BSTRREF(pSrc)));
861 else if (V_VT(pSrc) == (VT_RECORD|VT_BYREF))
863 V_UNION(pvargDest,brecVal) = V_UNION(pvargSrc,brecVal);
864 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
866 else if (V_VT(pSrc) == (VT_DISPATCH|VT_BYREF) ||
867 V_VT(pSrc) == (VT_UNKNOWN|VT_BYREF))
869 /* Native doesn't check that *V_UNKNOWNREF(pSrc) is valid */
870 V_UNKNOWN(pvargDest) = *V_UNKNOWNREF(pSrc);
871 if (*V_UNKNOWNREF(pSrc))
872 IUnknown_AddRef(*V_UNKNOWNREF(pSrc));
874 else if (V_VT(pSrc) == (VT_VARIANT|VT_BYREF))
876 /* Native doesn't check that *V_VARIANTREF(pSrc) is valid */
877 if (V_VT(V_VARIANTREF(pSrc)) == (VT_VARIANT|VT_BYREF))
878 hres = E_INVALIDARG; /* Don't dereference more than one level */
880 hres = VariantCopyInd(pvargDest, V_VARIANTREF(pSrc));
882 /* Use the dereferenced variants type value, not VT_VARIANT */
883 goto VariantCopyInd_Return;
885 else if (V_VT(pSrc) == (VT_DECIMAL|VT_BYREF))
887 memcpy(&DEC_SCALE(&V_DECIMAL(pvargDest)), &DEC_SCALE(V_DECIMALREF(pSrc)),
888 sizeof(DECIMAL) - sizeof(USHORT));
892 /* Copy the pointed to data into this variant */
893 memcpy(&V_BYREF(pvargDest), V_BYREF(pSrc), VARIANT_DataSize(pSrc));
896 V_VT(pvargDest) = V_VT(pSrc) & ~VT_BYREF;
898 VariantCopyInd_Return:
900 if (pSrc != pvargSrc)
903 TRACE("returning 0x%08lx, %p->(%s%s)\n", hres, pvargDest,
904 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
908 /******************************************************************************
909 * VariantChangeType [OLEAUT32.12]
911 * Change the type of a variant.
914 * pvargDest [O] Destination for the converted variant
915 * pvargSrc [O] Source variant to change the type of
916 * wFlags [I] VARIANT_ flags from "oleauto.h"
917 * vt [I] Variant type to change pvargSrc into
920 * Success: S_OK. pvargDest contains the converted value.
921 * Failure: An HRESULT error code describing the failure.
924 * The LCID used for the conversion is LOCALE_USER_DEFAULT.
925 * See VariantChangeTypeEx.
927 HRESULT WINAPI VariantChangeType(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
928 USHORT wFlags, VARTYPE vt)
930 return VariantChangeTypeEx( pvargDest, pvargSrc, LOCALE_USER_DEFAULT, wFlags, vt );
933 /******************************************************************************
934 * VariantChangeTypeEx [OLEAUT32.147]
936 * Change the type of a variant.
939 * pvargDest [O] Destination for the converted variant
940 * pvargSrc [O] Source variant to change the type of
941 * lcid [I] LCID for the conversion
942 * wFlags [I] VARIANT_ flags from "oleauto.h"
943 * vt [I] Variant type to change pvargSrc into
946 * Success: S_OK. pvargDest contains the converted value.
947 * Failure: An HRESULT error code describing the failure.
950 * pvargDest and pvargSrc can point to the same variant to perform an in-place
951 * conversion. If the conversion is successful, pvargSrc will be freed.
953 HRESULT WINAPI VariantChangeTypeEx(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
954 LCID lcid, USHORT wFlags, VARTYPE vt)
958 TRACE("(%p->(%s%s),%p->(%s%s),0x%08lx,0x%04x,%s%s)\n", pvargDest,
959 debugstr_VT(pvargDest), debugstr_VF(pvargDest), pvargSrc,
960 debugstr_VT(pvargSrc), debugstr_VF(pvargSrc), lcid, wFlags,
961 debugstr_vt(vt), debugstr_vf(vt));
964 res = DISP_E_BADVARTYPE;
967 res = VARIANT_ValidateType(V_VT(pvargSrc));
971 res = VARIANT_ValidateType(vt);
975 VARIANTARG vTmp, vSrcDeref;
977 if(V_ISBYREF(pvargSrc) && !V_BYREF(pvargSrc))
978 res = DISP_E_TYPEMISMATCH;
981 V_VT(&vTmp) = VT_EMPTY;
982 V_VT(&vSrcDeref) = VT_EMPTY;
984 VariantClear(&vSrcDeref);
989 res = VariantCopyInd(&vSrcDeref, pvargSrc);
992 if (V_ISARRAY(&vSrcDeref) || (vt & VT_ARRAY))
993 res = VARIANT_CoerceArray(&vTmp, &vSrcDeref, vt);
995 res = VARIANT_Coerce(&vTmp, lcid, wFlags, &vSrcDeref, vt);
997 if (SUCCEEDED(res)) {
999 VariantCopy(pvargDest, &vTmp);
1001 VariantClear(&vTmp);
1002 VariantClear(&vSrcDeref);
1009 TRACE("returning 0x%08lx, %p->(%s%s)\n", res, pvargDest,
1010 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
1014 /* Date Conversions */
1016 #define IsLeapYear(y) (((y % 4) == 0) && (((y % 100) != 0) || ((y % 400) == 0)))
1018 /* Convert a VT_DATE value to a Julian Date */
1019 static inline int VARIANT_JulianFromDate(int dateIn)
1021 int julianDays = dateIn;
1023 julianDays -= DATE_MIN; /* Convert to + days from 1 Jan 100 AD */
1024 julianDays += 1757585; /* Convert to + days from 23 Nov 4713 BC (Julian) */
1028 /* Convert a Julian Date to a VT_DATE value */
1029 static inline int VARIANT_DateFromJulian(int dateIn)
1031 int julianDays = dateIn;
1033 julianDays -= 1757585; /* Convert to + days from 1 Jan 100 AD */
1034 julianDays += DATE_MIN; /* Convert to +/- days from 1 Jan 1899 AD */
1038 /* Convert a Julian date to Day/Month/Year - from PostgreSQL */
1039 static inline void VARIANT_DMYFromJulian(int jd, USHORT *year, USHORT *month, USHORT *day)
1045 l -= (n * 146097 + 3) / 4;
1046 i = (4000 * (l + 1)) / 1461001;
1047 l += 31 - (i * 1461) / 4;
1048 j = (l * 80) / 2447;
1049 *day = l - (j * 2447) / 80;
1051 *month = (j + 2) - (12 * l);
1052 *year = 100 * (n - 49) + i + l;
1055 /* Convert Day/Month/Year to a Julian date - from PostgreSQL */
1056 static inline double VARIANT_JulianFromDMY(USHORT year, USHORT month, USHORT day)
1058 int m12 = (month - 14) / 12;
1060 return ((1461 * (year + 4800 + m12)) / 4 + (367 * (month - 2 - 12 * m12)) / 12 -
1061 (3 * ((year + 4900 + m12) / 100)) / 4 + day - 32075);
1064 /* Macros for accessing DOS format date/time fields */
1065 #define DOS_YEAR(x) (1980 + (x >> 9))
1066 #define DOS_MONTH(x) ((x >> 5) & 0xf)
1067 #define DOS_DAY(x) (x & 0x1f)
1068 #define DOS_HOUR(x) (x >> 11)
1069 #define DOS_MINUTE(x) ((x >> 5) & 0x3f)
1070 #define DOS_SECOND(x) ((x & 0x1f) << 1)
1071 /* Create a DOS format date/time */
1072 #define DOS_DATE(d,m,y) (d | (m << 5) | ((y-1980) << 9))
1073 #define DOS_TIME(h,m,s) ((s >> 1) | (m << 5) | (h << 11))
1075 /* Roll a date forwards or backwards to correct it */
1076 static HRESULT VARIANT_RollUdate(UDATE *lpUd)
1078 static const BYTE days[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
1080 TRACE("Raw date: %d/%d/%d %d:%d:%d\n", lpUd->st.wDay, lpUd->st.wMonth,
1081 lpUd->st.wYear, lpUd->st.wHour, lpUd->st.wMinute, lpUd->st.wSecond);
1083 /* Years < 100 are treated as 1900 + year */
1084 if (lpUd->st.wYear < 100)
1085 lpUd->st.wYear += 1900;
1087 if (!lpUd->st.wMonth)
1089 /* Roll back to December of the previous year */
1090 lpUd->st.wMonth = 12;
1093 else while (lpUd->st.wMonth > 12)
1095 /* Roll forward the correct number of months */
1097 lpUd->st.wMonth -= 12;
1100 if (lpUd->st.wYear > 9999 || lpUd->st.wHour > 23 ||
1101 lpUd->st.wMinute > 59 || lpUd->st.wSecond > 59)
1102 return E_INVALIDARG; /* Invalid values */
1106 /* Roll back the date one day */
1107 if (lpUd->st.wMonth == 1)
1109 /* Roll back to December 31 of the previous year */
1111 lpUd->st.wMonth = 12;
1116 lpUd->st.wMonth--; /* Previous month */
1117 if (lpUd->st.wMonth == 2 && IsLeapYear(lpUd->st.wYear))
1118 lpUd->st.wDay = 29; /* Februaury has 29 days on leap years */
1120 lpUd->st.wDay = days[lpUd->st.wMonth]; /* Last day of the month */
1123 else if (lpUd->st.wDay > 28)
1125 int rollForward = 0;
1127 /* Possibly need to roll the date forward */
1128 if (lpUd->st.wMonth == 2 && IsLeapYear(lpUd->st.wYear))
1129 rollForward = lpUd->st.wDay - 29; /* Februaury has 29 days on leap years */
1131 rollForward = lpUd->st.wDay - days[lpUd->st.wMonth];
1133 if (rollForward > 0)
1135 lpUd->st.wDay = rollForward;
1137 if (lpUd->st.wMonth > 12)
1139 lpUd->st.wMonth = 1; /* Roll forward into January of the next year */
1144 TRACE("Rolled date: %d/%d/%d %d:%d:%d\n", lpUd->st.wDay, lpUd->st.wMonth,
1145 lpUd->st.wYear, lpUd->st.wHour, lpUd->st.wMinute, lpUd->st.wSecond);
1149 /**********************************************************************
1150 * DosDateTimeToVariantTime [OLEAUT32.14]
1152 * Convert a Dos format date and time into variant VT_DATE format.
1155 * wDosDate [I] Dos format date
1156 * wDosTime [I] Dos format time
1157 * pDateOut [O] Destination for VT_DATE format
1160 * Success: TRUE. pDateOut contains the converted time.
1161 * Failure: FALSE, if wDosDate or wDosTime are invalid (see notes).
1164 * - Dos format dates can only hold dates from 1-Jan-1980 to 31-Dec-2099.
1165 * - Dos format times are accurate to only 2 second precision.
1166 * - The format of a Dos Date is:
1167 *| Bits Values Meaning
1168 *| ---- ------ -------
1169 *| 0-4 1-31 Day of the week. 0 rolls back one day. A value greater than
1170 *| the days in the month rolls forward the extra days.
1171 *| 5-8 1-12 Month of the year. 0 rolls back to December of the previous
1172 *| year. 13-15 are invalid.
1173 *| 9-15 0-119 Year based from 1980 (Max 2099). 120-127 are invalid.
1174 * - The format of a Dos Time is:
1175 *| Bits Values Meaning
1176 *| ---- ------ -------
1177 *| 0-4 0-29 Seconds/2. 30 and 31 are invalid.
1178 *| 5-10 0-59 Minutes. 60-63 are invalid.
1179 *| 11-15 0-23 Hours (24 hour clock). 24-32 are invalid.
1181 INT WINAPI DosDateTimeToVariantTime(USHORT wDosDate, USHORT wDosTime,
1186 TRACE("(0x%x(%d/%d/%d),0x%x(%d:%d:%d),%p)\n",
1187 wDosDate, DOS_YEAR(wDosDate), DOS_MONTH(wDosDate), DOS_DAY(wDosDate),
1188 wDosTime, DOS_HOUR(wDosTime), DOS_MINUTE(wDosTime), DOS_SECOND(wDosTime),
1191 ud.st.wYear = DOS_YEAR(wDosDate);
1192 ud.st.wMonth = DOS_MONTH(wDosDate);
1193 if (ud.st.wYear > 2099 || ud.st.wMonth > 12)
1195 ud.st.wDay = DOS_DAY(wDosDate);
1196 ud.st.wHour = DOS_HOUR(wDosTime);
1197 ud.st.wMinute = DOS_MINUTE(wDosTime);
1198 ud.st.wSecond = DOS_SECOND(wDosTime);
1199 ud.st.wDayOfWeek = ud.st.wMilliseconds = 0;
1201 return !VarDateFromUdate(&ud, 0, pDateOut);
1204 /**********************************************************************
1205 * VariantTimeToDosDateTime [OLEAUT32.13]
1207 * Convert a variant format date into a Dos format date and time.
1209 * dateIn [I] VT_DATE time format
1210 * pwDosDate [O] Destination for Dos format date
1211 * pwDosTime [O] Destination for Dos format time
1214 * Success: TRUE. pwDosDate and pwDosTime contains the converted values.
1215 * Failure: FALSE, if dateIn cannot be represented in Dos format.
1218 * See DosDateTimeToVariantTime() for Dos format details and bugs.
1220 INT WINAPI VariantTimeToDosDateTime(double dateIn, USHORT *pwDosDate, USHORT *pwDosTime)
1224 TRACE("(%g,%p,%p)\n", dateIn, pwDosDate, pwDosTime);
1226 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1229 if (ud.st.wYear < 1980 || ud.st.wYear > 2099)
1232 *pwDosDate = DOS_DATE(ud.st.wDay, ud.st.wMonth, ud.st.wYear);
1233 *pwDosTime = DOS_TIME(ud.st.wHour, ud.st.wMinute, ud.st.wSecond);
1235 TRACE("Returning 0x%x(%d/%d/%d), 0x%x(%d:%d:%d)\n",
1236 *pwDosDate, DOS_YEAR(*pwDosDate), DOS_MONTH(*pwDosDate), DOS_DAY(*pwDosDate),
1237 *pwDosTime, DOS_HOUR(*pwDosTime), DOS_MINUTE(*pwDosTime), DOS_SECOND(*pwDosTime));
1241 /***********************************************************************
1242 * SystemTimeToVariantTime [OLEAUT32.184]
1244 * Convert a System format date and time into variant VT_DATE format.
1247 * lpSt [I] System format date and time
1248 * pDateOut [O] Destination for VT_DATE format date
1251 * Success: TRUE. *pDateOut contains the converted value.
1252 * Failure: FALSE, if lpSt cannot be represented in VT_DATE format.
1254 INT WINAPI SystemTimeToVariantTime(LPSYSTEMTIME lpSt, double *pDateOut)
1258 TRACE("(%p->%d/%d/%d %d:%d:%d,%p)\n", lpSt, lpSt->wDay, lpSt->wMonth,
1259 lpSt->wYear, lpSt->wHour, lpSt->wMinute, lpSt->wSecond, pDateOut);
1261 if (lpSt->wMonth > 12)
1264 memcpy(&ud.st, lpSt, sizeof(ud.st));
1265 return !VarDateFromUdate(&ud, 0, pDateOut);
1268 /***********************************************************************
1269 * VariantTimeToSystemTime [OLEAUT32.185]
1271 * Convert a variant VT_DATE into a System format date and time.
1274 * datein [I] Variant VT_DATE format date
1275 * lpSt [O] Destination for System format date and time
1278 * Success: TRUE. *lpSt contains the converted value.
1279 * Failure: FALSE, if dateIn is too large or small.
1281 INT WINAPI VariantTimeToSystemTime(double dateIn, LPSYSTEMTIME lpSt)
1285 TRACE("(%g,%p)\n", dateIn, lpSt);
1287 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1290 memcpy(lpSt, &ud.st, sizeof(ud.st));
1294 /***********************************************************************
1295 * VarDateFromUdateEx [OLEAUT32.319]
1297 * Convert an unpacked format date and time to a variant VT_DATE.
1300 * pUdateIn [I] Unpacked format date and time to convert
1301 * lcid [I] Locale identifier for the conversion
1302 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1303 * pDateOut [O] Destination for variant VT_DATE.
1306 * Success: S_OK. *pDateOut contains the converted value.
1307 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1309 HRESULT WINAPI VarDateFromUdateEx(UDATE *pUdateIn, LCID lcid, ULONG dwFlags, DATE *pDateOut)
1314 TRACE("(%p->%d/%d/%d %d:%d:%d:%d %d %d,0x%08lx,0x%08lx,%p)\n", pUdateIn,
1315 pUdateIn->st.wMonth, pUdateIn->st.wDay, pUdateIn->st.wYear,
1316 pUdateIn->st.wHour, pUdateIn->st.wMinute, pUdateIn->st.wSecond,
1317 pUdateIn->st.wMilliseconds, pUdateIn->st.wDayOfWeek,
1318 pUdateIn->wDayOfYear, lcid, dwFlags, pDateOut);
1320 if (lcid != MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT))
1321 FIXME("lcid possibly not handled, treating as en-us\n");
1323 memcpy(&ud, pUdateIn, sizeof(ud));
1325 if (dwFlags & VAR_VALIDDATE)
1326 WARN("Ignoring VAR_VALIDDATE\n");
1328 if (FAILED(VARIANT_RollUdate(&ud)))
1329 return E_INVALIDARG;
1332 dateVal = VARIANT_DateFromJulian(VARIANT_JulianFromDMY(ud.st.wYear, ud.st.wMonth, ud.st.wDay));
1335 dateVal += ud.st.wHour / 24.0;
1336 dateVal += ud.st.wMinute / 1440.0;
1337 dateVal += ud.st.wSecond / 86400.0;
1338 dateVal += ud.st.wMilliseconds / 86400000.0;
1340 TRACE("Returning %g\n", dateVal);
1341 *pDateOut = dateVal;
1345 /***********************************************************************
1346 * VarDateFromUdate [OLEAUT32.330]
1348 * Convert an unpacked format date and time to a variant VT_DATE.
1351 * pUdateIn [I] Unpacked format date and time to convert
1352 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1353 * pDateOut [O] Destination for variant VT_DATE.
1356 * Success: S_OK. *pDateOut contains the converted value.
1357 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1360 * This function uses the United States English locale for the conversion. Use
1361 * VarDateFromUdateEx() for alternate locales.
1363 HRESULT WINAPI VarDateFromUdate(UDATE *pUdateIn, ULONG dwFlags, DATE *pDateOut)
1365 LCID lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
1367 return VarDateFromUdateEx(pUdateIn, lcid, dwFlags, pDateOut);
1370 /***********************************************************************
1371 * VarUdateFromDate [OLEAUT32.331]
1373 * Convert a variant VT_DATE into an unpacked format date and time.
1376 * datein [I] Variant VT_DATE format date
1377 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1378 * lpUdate [O] Destination for unpacked format date and time
1381 * Success: S_OK. *lpUdate contains the converted value.
1382 * Failure: E_INVALIDARG, if dateIn is too large or small.
1384 HRESULT WINAPI VarUdateFromDate(DATE dateIn, ULONG dwFlags, UDATE *lpUdate)
1386 /* Cumulative totals of days per month */
1387 static const USHORT cumulativeDays[] =
1389 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
1391 double datePart, timePart;
1394 TRACE("(%g,0x%08lx,%p)\n", dateIn, dwFlags, lpUdate);
1396 if (dateIn <= (DATE_MIN - 1.0) || dateIn >= (DATE_MAX + 1.0))
1397 return E_INVALIDARG;
1399 datePart = dateIn < 0.0 ? ceil(dateIn) : floor(dateIn);
1400 /* Compensate for int truncation (always downwards) */
1401 timePart = dateIn - datePart + 0.00000000001;
1402 if (timePart >= 1.0)
1403 timePart -= 0.00000000001;
1406 julianDays = VARIANT_JulianFromDate(dateIn);
1407 VARIANT_DMYFromJulian(julianDays, &lpUdate->st.wYear, &lpUdate->st.wMonth,
1410 datePart = (datePart + 1.5) / 7.0;
1411 lpUdate->st.wDayOfWeek = (datePart - floor(datePart)) * 7;
1412 if (lpUdate->st.wDayOfWeek == 0)
1413 lpUdate->st.wDayOfWeek = 5;
1414 else if (lpUdate->st.wDayOfWeek == 1)
1415 lpUdate->st.wDayOfWeek = 6;
1417 lpUdate->st.wDayOfWeek -= 2;
1419 if (lpUdate->st.wMonth > 2 && IsLeapYear(lpUdate->st.wYear))
1420 lpUdate->wDayOfYear = 1; /* After February, in a leap year */
1422 lpUdate->wDayOfYear = 0;
1424 lpUdate->wDayOfYear += cumulativeDays[lpUdate->st.wMonth];
1425 lpUdate->wDayOfYear += lpUdate->st.wDay;
1429 lpUdate->st.wHour = timePart;
1430 timePart -= lpUdate->st.wHour;
1432 lpUdate->st.wMinute = timePart;
1433 timePart -= lpUdate->st.wMinute;
1435 lpUdate->st.wSecond = timePart;
1436 timePart -= lpUdate->st.wSecond;
1437 lpUdate->st.wMilliseconds = 0;
1440 /* Round the milliseconds, adjusting the time/date forward if needed */
1441 if (lpUdate->st.wSecond < 59)
1442 lpUdate->st.wSecond++;
1445 lpUdate->st.wSecond = 0;
1446 if (lpUdate->st.wMinute < 59)
1447 lpUdate->st.wMinute++;
1450 lpUdate->st.wMinute = 0;
1451 if (lpUdate->st.wHour < 23)
1452 lpUdate->st.wHour++;
1455 lpUdate->st.wHour = 0;
1456 /* Roll over a whole day */
1457 if (++lpUdate->st.wDay > 28)
1458 VARIANT_RollUdate(lpUdate);
1466 #define GET_NUMBER_TEXT(fld,name) \
1468 if (!GetLocaleInfoW(lcid, lctype|fld, buff, 2)) \
1469 WARN("buffer too small for " #fld "\n"); \
1471 if (buff[0]) lpChars->name = buff[0]; \
1472 TRACE("lcid 0x%lx, " #name "=%d '%c'\n", lcid, lpChars->name, lpChars->name)
1474 /* Get the valid number characters for an lcid */
1475 void VARIANT_GetLocalisedNumberChars(VARIANT_NUMBER_CHARS *lpChars, LCID lcid, DWORD dwFlags)
1477 static const VARIANT_NUMBER_CHARS defaultChars = { '-','+','.',',','$',0,'.',',' };
1478 LCTYPE lctype = dwFlags & LOCALE_NOUSEROVERRIDE;
1481 memcpy(lpChars, &defaultChars, sizeof(defaultChars));
1482 GET_NUMBER_TEXT(LOCALE_SNEGATIVESIGN, cNegativeSymbol);
1483 GET_NUMBER_TEXT(LOCALE_SPOSITIVESIGN, cPositiveSymbol);
1484 GET_NUMBER_TEXT(LOCALE_SDECIMAL, cDecimalPoint);
1485 GET_NUMBER_TEXT(LOCALE_STHOUSAND, cDigitSeperator);
1486 GET_NUMBER_TEXT(LOCALE_SMONDECIMALSEP, cCurrencyDecimalPoint);
1487 GET_NUMBER_TEXT(LOCALE_SMONTHOUSANDSEP, cCurrencyDigitSeperator);
1489 /* Local currency symbols are often 2 characters */
1490 lpChars->cCurrencyLocal2 = '\0';
1491 switch(GetLocaleInfoW(lcid, lctype|LOCALE_SCURRENCY, buff, sizeof(buff)/sizeof(WCHAR)))
1493 case 3: lpChars->cCurrencyLocal2 = buff[1]; /* Fall through */
1494 case 2: lpChars->cCurrencyLocal = buff[0];
1496 default: WARN("buffer too small for LOCALE_SCURRENCY\n");
1498 TRACE("lcid 0x%lx, cCurrencyLocal =%d,%d '%c','%c'\n", lcid, lpChars->cCurrencyLocal,
1499 lpChars->cCurrencyLocal2, lpChars->cCurrencyLocal, lpChars->cCurrencyLocal2);
1502 /* Number Parsing States */
1503 #define B_PROCESSING_EXPONENT 0x1
1504 #define B_NEGATIVE_EXPONENT 0x2
1505 #define B_EXPONENT_START 0x4
1506 #define B_INEXACT_ZEROS 0x8
1507 #define B_LEADING_ZERO 0x10
1508 #define B_PROCESSING_HEX 0x20
1509 #define B_PROCESSING_OCT 0x40
1511 /**********************************************************************
1512 * VarParseNumFromStr [OLEAUT32.46]
1514 * Parse a string containing a number into a NUMPARSE structure.
1517 * lpszStr [I] String to parse number from
1518 * lcid [I] Locale Id for the conversion
1519 * dwFlags [I] 0, or LOCALE_NOUSEROVERRIDE to use system default number chars
1520 * pNumprs [I/O] Destination for parsed number
1521 * rgbDig [O] Destination for digits read in
1524 * Success: S_OK. pNumprs and rgbDig contain the parsed representation of
1526 * Failure: E_INVALIDARG, if any parameter is invalid.
1527 * DISP_E_TYPEMISMATCH, if the string is not a number or is formatted
1529 * DISP_E_OVERFLOW, if rgbDig is too small to hold the number.
1532 * pNumprs must have the following fields set:
1533 * cDig: Set to the size of rgbDig.
1534 * dwInFlags: Set to the allowable syntax of the number using NUMPRS_ flags
1538 * - I am unsure if this function should parse non-arabic (e.g. Thai)
1539 * numerals, so this has not been implemented.
1541 HRESULT WINAPI VarParseNumFromStr(OLECHAR *lpszStr, LCID lcid, ULONG dwFlags,
1542 NUMPARSE *pNumprs, BYTE *rgbDig)
1544 VARIANT_NUMBER_CHARS chars;
1546 DWORD dwState = B_EXPONENT_START|B_INEXACT_ZEROS;
1547 int iMaxDigits = sizeof(rgbTmp) / sizeof(BYTE);
1550 TRACE("(%s,%ld,0x%08lx,%p,%p)\n", debugstr_w(lpszStr), lcid, dwFlags, pNumprs, rgbDig);
1552 if (!pNumprs || !rgbDig)
1553 return E_INVALIDARG;
1555 if (pNumprs->cDig < iMaxDigits)
1556 iMaxDigits = pNumprs->cDig;
1559 pNumprs->dwOutFlags = 0;
1560 pNumprs->cchUsed = 0;
1561 pNumprs->nBaseShift = 0;
1562 pNumprs->nPwr10 = 0;
1565 return DISP_E_TYPEMISMATCH;
1567 VARIANT_GetLocalisedNumberChars(&chars, lcid, dwFlags);
1569 /* First consume all the leading symbols and space from the string */
1572 if (pNumprs->dwInFlags & NUMPRS_LEADING_WHITE && isspaceW(*lpszStr))
1574 pNumprs->dwOutFlags |= NUMPRS_LEADING_WHITE;
1579 } while (isspaceW(*lpszStr));
1581 else if (pNumprs->dwInFlags & NUMPRS_LEADING_PLUS &&
1582 *lpszStr == chars.cPositiveSymbol &&
1583 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS))
1585 pNumprs->dwOutFlags |= NUMPRS_LEADING_PLUS;
1589 else if (pNumprs->dwInFlags & NUMPRS_LEADING_MINUS &&
1590 *lpszStr == chars.cNegativeSymbol &&
1591 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS))
1593 pNumprs->dwOutFlags |= (NUMPRS_LEADING_MINUS|NUMPRS_NEG);
1597 else if (pNumprs->dwInFlags & NUMPRS_CURRENCY &&
1598 !(pNumprs->dwOutFlags & NUMPRS_CURRENCY) &&
1599 *lpszStr == chars.cCurrencyLocal &&
1600 (!chars.cCurrencyLocal2 || lpszStr[1] == chars.cCurrencyLocal2))
1602 pNumprs->dwOutFlags |= NUMPRS_CURRENCY;
1605 /* Only accept currency characters */
1606 chars.cDecimalPoint = chars.cCurrencyDecimalPoint;
1607 chars.cDigitSeperator = chars.cCurrencyDigitSeperator;
1609 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == '(' &&
1610 !(pNumprs->dwOutFlags & NUMPRS_PARENS))
1612 pNumprs->dwOutFlags |= NUMPRS_PARENS;
1620 if (!(pNumprs->dwOutFlags & NUMPRS_CURRENCY))
1622 /* Only accept non-currency characters */
1623 chars.cCurrencyDecimalPoint = chars.cDecimalPoint;
1624 chars.cCurrencyDigitSeperator = chars.cDigitSeperator;
1627 if ((*lpszStr == '&' && (*(lpszStr+1) == 'H' || *(lpszStr+1) == 'h')) &&
1628 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1630 dwState |= B_PROCESSING_HEX;
1631 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1635 else if ((*lpszStr == '&' && (*(lpszStr+1) == 'O' || *(lpszStr+1) == 'o')) &&
1636 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1638 dwState |= B_PROCESSING_OCT;
1639 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1644 /* Strip Leading zeros */
1645 while (*lpszStr == '0')
1647 dwState |= B_LEADING_ZERO;
1654 if (isdigitW(*lpszStr))
1656 if (dwState & B_PROCESSING_EXPONENT)
1658 int exponentSize = 0;
1659 if (dwState & B_EXPONENT_START)
1661 if (!isdigitW(*lpszStr))
1662 break; /* No exponent digits - invalid */
1663 while (*lpszStr == '0')
1665 /* Skip leading zero's in the exponent */
1671 while (isdigitW(*lpszStr))
1674 exponentSize += *lpszStr - '0';
1678 if (dwState & B_NEGATIVE_EXPONENT)
1679 exponentSize = -exponentSize;
1680 /* Add the exponent into the powers of 10 */
1681 pNumprs->nPwr10 += exponentSize;
1682 dwState &= ~(B_PROCESSING_EXPONENT|B_EXPONENT_START);
1683 lpszStr--; /* back up to allow processing of next char */
1687 if ((pNumprs->cDig >= iMaxDigits) && !(dwState & B_PROCESSING_HEX)
1688 && !(dwState & B_PROCESSING_OCT))
1690 pNumprs->dwOutFlags |= NUMPRS_INEXACT;
1692 if (*lpszStr != '0')
1693 dwState &= ~B_INEXACT_ZEROS; /* Inexact number with non-trailing zeros */
1695 /* This digit can't be represented, but count it in nPwr10 */
1696 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1703 if ((dwState & B_PROCESSING_OCT) && ((*lpszStr == '8') || (*lpszStr == '9'))) {
1704 return DISP_E_TYPEMISMATCH;
1707 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1708 pNumprs->nPwr10--; /* Count decimal points in nPwr10 */
1710 rgbTmp[pNumprs->cDig] = *lpszStr - '0';
1716 else if (*lpszStr == chars.cDigitSeperator && pNumprs->dwInFlags & NUMPRS_THOUSANDS)
1718 pNumprs->dwOutFlags |= NUMPRS_THOUSANDS;
1721 else if (*lpszStr == chars.cDecimalPoint &&
1722 pNumprs->dwInFlags & NUMPRS_DECIMAL &&
1723 !(pNumprs->dwOutFlags & (NUMPRS_DECIMAL|NUMPRS_EXPONENT)))
1725 pNumprs->dwOutFlags |= NUMPRS_DECIMAL;
1728 /* If we have no digits so far, skip leading zeros */
1731 while (lpszStr[1] == '0')
1733 dwState |= B_LEADING_ZERO;
1740 else if ((*lpszStr == 'e' || *lpszStr == 'E') &&
1741 pNumprs->dwInFlags & NUMPRS_EXPONENT &&
1742 !(pNumprs->dwOutFlags & NUMPRS_EXPONENT))
1744 dwState |= B_PROCESSING_EXPONENT;
1745 pNumprs->dwOutFlags |= NUMPRS_EXPONENT;
1748 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cPositiveSymbol)
1750 cchUsed++; /* Ignore positive exponent */
1752 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cNegativeSymbol)
1754 dwState |= B_NEGATIVE_EXPONENT;
1757 else if (((*lpszStr >= 'a' && *lpszStr <= 'f') ||
1758 (*lpszStr >= 'A' && *lpszStr <= 'F')) &&
1759 dwState & B_PROCESSING_HEX)
1761 if (pNumprs->cDig >= iMaxDigits)
1763 return DISP_E_OVERFLOW;
1767 if (*lpszStr >= 'a')
1768 rgbTmp[pNumprs->cDig] = *lpszStr - 'a' + 10;
1770 rgbTmp[pNumprs->cDig] = *lpszStr - 'A' + 10;
1776 break; /* Stop at an unrecognised character */
1781 if (!pNumprs->cDig && dwState & B_LEADING_ZERO)
1783 /* Ensure a 0 on its own gets stored */
1788 if (pNumprs->dwOutFlags & NUMPRS_EXPONENT && dwState & B_PROCESSING_EXPONENT)
1790 pNumprs->cchUsed = cchUsed;
1791 return DISP_E_TYPEMISMATCH; /* Failed to completely parse the exponent */
1794 if (pNumprs->dwOutFlags & NUMPRS_INEXACT)
1796 if (dwState & B_INEXACT_ZEROS)
1797 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* All zeros doesn't set NUMPRS_INEXACT */
1798 } else if(pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1800 /* copy all of the digits into the output digit buffer */
1801 /* this is exactly what windows does although it also returns */
1802 /* cDig of X and writes X+Y where Y>=0 number of digits to rgbDig */
1803 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1805 if (dwState & B_PROCESSING_HEX) {
1806 /* hex numbers have always the same format */
1808 pNumprs->nBaseShift=4;
1810 if (dwState & B_PROCESSING_OCT) {
1811 /* oct numbers have always the same format */
1813 pNumprs->nBaseShift=3;
1815 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1824 /* Remove trailing zeros from the last (whole number or decimal) part */
1825 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1832 if (pNumprs->cDig <= iMaxDigits)
1833 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* Ignore stripped zeros for NUMPRS_INEXACT */
1835 pNumprs->cDig = iMaxDigits; /* Only return iMaxDigits worth of digits */
1837 /* Copy the digits we processed into rgbDig */
1838 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1840 /* Consume any trailing symbols and space */
1843 if ((pNumprs->dwInFlags & NUMPRS_TRAILING_WHITE) && isspaceW(*lpszStr))
1845 pNumprs->dwOutFlags |= NUMPRS_TRAILING_WHITE;
1850 } while (isspaceW(*lpszStr));
1852 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_PLUS &&
1853 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS) &&
1854 *lpszStr == chars.cPositiveSymbol)
1856 pNumprs->dwOutFlags |= NUMPRS_TRAILING_PLUS;
1860 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_MINUS &&
1861 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS) &&
1862 *lpszStr == chars.cNegativeSymbol)
1864 pNumprs->dwOutFlags |= (NUMPRS_TRAILING_MINUS|NUMPRS_NEG);
1868 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == ')' &&
1869 pNumprs->dwOutFlags & NUMPRS_PARENS)
1873 pNumprs->dwOutFlags |= NUMPRS_NEG;
1879 if (pNumprs->dwOutFlags & NUMPRS_PARENS && !(pNumprs->dwOutFlags & NUMPRS_NEG))
1881 pNumprs->cchUsed = cchUsed;
1882 return DISP_E_TYPEMISMATCH; /* Opening parenthesis not matched */
1885 if (pNumprs->dwInFlags & NUMPRS_USE_ALL && *lpszStr != '\0')
1886 return DISP_E_TYPEMISMATCH; /* Not all chars were consumed */
1889 return DISP_E_TYPEMISMATCH; /* No Number found */
1891 pNumprs->cchUsed = cchUsed;
1895 /* VTBIT flags indicating an integer value */
1896 #define INTEGER_VTBITS (VTBIT_I1|VTBIT_UI1|VTBIT_I2|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_I8|VTBIT_UI8)
1897 /* VTBIT flags indicating a real number value */
1898 #define REAL_VTBITS (VTBIT_R4|VTBIT_R8|VTBIT_CY)
1900 /* Helper macros to check whether bit pattern fits in VARIANT (x is a ULONG64 ) */
1901 #define FITS_AS_I1(x) ((x) >> 8 == 0)
1902 #define FITS_AS_I2(x) ((x) >> 16 == 0)
1903 #define FITS_AS_I4(x) ((x) >> 32 == 0)
1905 /**********************************************************************
1906 * VarNumFromParseNum [OLEAUT32.47]
1908 * Convert a NUMPARSE structure into a numeric Variant type.
1911 * pNumprs [I] Source for parsed number. cDig must be set to the size of rgbDig
1912 * rgbDig [I] Source for the numbers digits
1913 * dwVtBits [I] VTBIT_ flags from "oleauto.h" indicating the acceptable dest types
1914 * pVarDst [O] Destination for the converted Variant value.
1917 * Success: S_OK. pVarDst contains the converted value.
1918 * Failure: E_INVALIDARG, if any parameter is invalid.
1919 * DISP_E_OVERFLOW, if the number is too big for the types set in dwVtBits.
1922 * - The smallest favoured type present in dwVtBits that can represent the
1923 * number in pNumprs without losing precision is used.
1924 * - Signed types are preferrred over unsigned types of the same size.
1925 * - Preferred types in order are: integer, float, double, currency then decimal.
1926 * - Rounding (dropping of decimal points) occurs without error. See VarI8FromR8()
1927 * for details of the rounding method.
1928 * - pVarDst is not cleared before the result is stored in it.
1929 * - WinXP and Win2003 support VTBIT_I8, VTBIT_UI8 but that's buggy (by
1930 * design?): If some other VTBIT's for integers are specified together
1931 * with VTBIT_I8 and the number will fit only in a VT_I8 Windows will "cast"
1932 * the number to the smallest requested integer truncating this way the
1933 * number. Wine dosn't implement this "feature" (yet?).
1935 HRESULT WINAPI VarNumFromParseNum(NUMPARSE *pNumprs, BYTE *rgbDig,
1936 ULONG dwVtBits, VARIANT *pVarDst)
1938 /* Scale factors and limits for double arithmetic */
1939 static const double dblMultipliers[11] = {
1940 1.0, 10.0, 100.0, 1000.0, 10000.0, 100000.0,
1941 1000000.0, 10000000.0, 100000000.0, 1000000000.0, 10000000000.0
1943 static const double dblMinimums[11] = {
1944 R8_MIN, R8_MIN*10.0, R8_MIN*100.0, R8_MIN*1000.0, R8_MIN*10000.0,
1945 R8_MIN*100000.0, R8_MIN*1000000.0, R8_MIN*10000000.0,
1946 R8_MIN*100000000.0, R8_MIN*1000000000.0, R8_MIN*10000000000.0
1948 static const double dblMaximums[11] = {
1949 R8_MAX, R8_MAX/10.0, R8_MAX/100.0, R8_MAX/1000.0, R8_MAX/10000.0,
1950 R8_MAX/100000.0, R8_MAX/1000000.0, R8_MAX/10000000.0,
1951 R8_MAX/100000000.0, R8_MAX/1000000000.0, R8_MAX/10000000000.0
1954 int wholeNumberDigits, fractionalDigits, divisor10 = 0, multiplier10 = 0;
1956 TRACE("(%p,%p,0x%lx,%p)\n", pNumprs, rgbDig, dwVtBits, pVarDst);
1958 if (pNumprs->nBaseShift)
1960 /* nBaseShift indicates a hex or octal number */
1965 /* Convert the hex or octal number string into a UI64 */
1966 for (i = 0; i < pNumprs->cDig; i++)
1968 if (ul64 > ((UI8_MAX>>pNumprs->nBaseShift) - rgbDig[i]))
1970 TRACE("Overflow multiplying digits\n");
1971 return DISP_E_OVERFLOW;
1973 ul64 = (ul64<<pNumprs->nBaseShift) + rgbDig[i];
1976 /* also make a negative representation */
1979 /* Try signed and unsigned types in size order */
1980 if (dwVtBits & VTBIT_I1 && FITS_AS_I1(ul64))
1982 V_VT(pVarDst) = VT_I1;
1983 V_I1(pVarDst) = ul64;
1986 else if (dwVtBits & VTBIT_UI1 && FITS_AS_I1(ul64))
1988 V_VT(pVarDst) = VT_UI1;
1989 V_UI1(pVarDst) = ul64;
1992 else if (dwVtBits & VTBIT_I2 && FITS_AS_I2(ul64))
1994 V_VT(pVarDst) = VT_I2;
1995 V_I2(pVarDst) = ul64;
1998 else if (dwVtBits & VTBIT_UI2 && FITS_AS_I2(ul64))
2000 V_VT(pVarDst) = VT_UI2;
2001 V_UI2(pVarDst) = ul64;
2004 else if (dwVtBits & VTBIT_I4 && FITS_AS_I4(ul64))
2006 V_VT(pVarDst) = VT_I4;
2007 V_I4(pVarDst) = ul64;
2010 else if (dwVtBits & VTBIT_UI4 && FITS_AS_I4(ul64))
2012 V_VT(pVarDst) = VT_UI4;
2013 V_UI4(pVarDst) = ul64;
2016 else if (dwVtBits & VTBIT_I8 && ((ul64 <= I8_MAX)||(l64>=I8_MIN)))
2018 V_VT(pVarDst) = VT_I8;
2019 V_I8(pVarDst) = ul64;
2022 else if (dwVtBits & VTBIT_UI8)
2024 V_VT(pVarDst) = VT_UI8;
2025 V_UI8(pVarDst) = ul64;
2028 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2030 V_VT(pVarDst) = VT_DECIMAL;
2031 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2032 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2033 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2036 else if (dwVtBits & VTBIT_R4 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2038 V_VT(pVarDst) = VT_R4;
2040 V_R4(pVarDst) = ul64;
2042 V_R4(pVarDst) = l64;
2045 else if (dwVtBits & VTBIT_R8 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2047 V_VT(pVarDst) = VT_R8;
2049 V_R8(pVarDst) = ul64;
2051 V_R8(pVarDst) = l64;
2055 TRACE("Overflow: possible return types: 0x%lx, value: %s\n", dwVtBits, wine_dbgstr_longlong(ul64));
2056 return DISP_E_OVERFLOW;
2059 /* Count the number of relevant fractional and whole digits stored,
2060 * And compute the divisor/multiplier to scale the number by.
2062 if (pNumprs->nPwr10 < 0)
2064 if (-pNumprs->nPwr10 >= pNumprs->cDig)
2066 /* A real number < +/- 1.0 e.g. 0.1024 or 0.01024 */
2067 wholeNumberDigits = 0;
2068 fractionalDigits = pNumprs->cDig;
2069 divisor10 = -pNumprs->nPwr10;
2073 /* An exactly represented real number e.g. 1.024 */
2074 wholeNumberDigits = pNumprs->cDig + pNumprs->nPwr10;
2075 fractionalDigits = pNumprs->cDig - wholeNumberDigits;
2076 divisor10 = pNumprs->cDig - wholeNumberDigits;
2079 else if (pNumprs->nPwr10 == 0)
2081 /* An exactly represented whole number e.g. 1024 */
2082 wholeNumberDigits = pNumprs->cDig;
2083 fractionalDigits = 0;
2085 else /* pNumprs->nPwr10 > 0 */
2087 /* A whole number followed by nPwr10 0's e.g. 102400 */
2088 wholeNumberDigits = pNumprs->cDig;
2089 fractionalDigits = 0;
2090 multiplier10 = pNumprs->nPwr10;
2093 TRACE("cDig %d; nPwr10 %d, whole %d, frac %d ", pNumprs->cDig,
2094 pNumprs->nPwr10, wholeNumberDigits, fractionalDigits);
2095 TRACE("mult %d; div %d\n", multiplier10, divisor10);
2097 if (dwVtBits & (INTEGER_VTBITS|VTBIT_DECIMAL) &&
2098 (!fractionalDigits || !(dwVtBits & (REAL_VTBITS|VTBIT_CY|VTBIT_DECIMAL))))
2100 /* We have one or more integer output choices, and either:
2101 * 1) An integer input value, or
2102 * 2) A real number input value but no floating output choices.
2103 * Alternately, we have a DECIMAL output available and an integer input.
2105 * So, place the integer value into pVarDst, using the smallest type
2106 * possible and preferring signed over unsigned types.
2108 BOOL bOverflow = FALSE, bNegative;
2112 /* Convert the integer part of the number into a UI8 */
2113 for (i = 0; i < wholeNumberDigits; i++)
2115 if (ul64 > (UI8_MAX / 10 - rgbDig[i]))
2117 TRACE("Overflow multiplying digits\n");
2121 ul64 = ul64 * 10 + rgbDig[i];
2124 /* Account for the scale of the number */
2125 if (!bOverflow && multiplier10)
2127 for (i = 0; i < multiplier10; i++)
2129 if (ul64 > (UI8_MAX / 10))
2131 TRACE("Overflow scaling number\n");
2139 /* If we have any fractional digits, round the value.
2140 * Note we don't have to do this if divisor10 is < 1,
2141 * because this means the fractional part must be < 0.5
2143 if (!bOverflow && fractionalDigits && divisor10 > 0)
2145 const BYTE* fracDig = rgbDig + wholeNumberDigits;
2146 BOOL bAdjust = FALSE;
2148 TRACE("first decimal value is %d\n", *fracDig);
2151 bAdjust = TRUE; /* > 0.5 */
2152 else if (*fracDig == 5)
2154 for (i = 1; i < fractionalDigits; i++)
2158 bAdjust = TRUE; /* > 0.5 */
2162 /* If exactly 0.5, round only odd values */
2163 if (i == fractionalDigits && (ul64 & 1))
2169 if (ul64 == UI8_MAX)
2171 TRACE("Overflow after rounding\n");
2178 /* Zero is not a negative number */
2179 bNegative = pNumprs->dwOutFlags & NUMPRS_NEG && ul64 ? TRUE : FALSE;
2181 TRACE("Integer value is %lld, bNeg %d\n", ul64, bNegative);
2183 /* For negative integers, try the signed types in size order */
2184 if (!bOverflow && bNegative)
2186 if (dwVtBits & (VTBIT_I1|VTBIT_I2|VTBIT_I4|VTBIT_I8))
2188 if (dwVtBits & VTBIT_I1 && ul64 <= -I1_MIN)
2190 V_VT(pVarDst) = VT_I1;
2191 V_I1(pVarDst) = -ul64;
2194 else if (dwVtBits & VTBIT_I2 && ul64 <= -I2_MIN)
2196 V_VT(pVarDst) = VT_I2;
2197 V_I2(pVarDst) = -ul64;
2200 else if (dwVtBits & VTBIT_I4 && ul64 <= -((LONGLONG)I4_MIN))
2202 V_VT(pVarDst) = VT_I4;
2203 V_I4(pVarDst) = -ul64;
2206 else if (dwVtBits & VTBIT_I8 && ul64 <= (ULONGLONG)I8_MAX + 1)
2208 V_VT(pVarDst) = VT_I8;
2209 V_I8(pVarDst) = -ul64;
2212 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2214 /* Decimal is only output choice left - fast path */
2215 V_VT(pVarDst) = VT_DECIMAL;
2216 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_NEG,0);
2217 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2218 DEC_LO64(&V_DECIMAL(pVarDst)) = -ul64;
2223 else if (!bOverflow)
2225 /* For positive integers, try signed then unsigned types in size order */
2226 if (dwVtBits & VTBIT_I1 && ul64 <= I1_MAX)
2228 V_VT(pVarDst) = VT_I1;
2229 V_I1(pVarDst) = ul64;
2232 else if (dwVtBits & VTBIT_UI1 && ul64 <= UI1_MAX)
2234 V_VT(pVarDst) = VT_UI1;
2235 V_UI1(pVarDst) = ul64;
2238 else if (dwVtBits & VTBIT_I2 && ul64 <= I2_MAX)
2240 V_VT(pVarDst) = VT_I2;
2241 V_I2(pVarDst) = ul64;
2244 else if (dwVtBits & VTBIT_UI2 && ul64 <= UI2_MAX)
2246 V_VT(pVarDst) = VT_UI2;
2247 V_UI2(pVarDst) = ul64;
2250 else if (dwVtBits & VTBIT_I4 && ul64 <= I4_MAX)
2252 V_VT(pVarDst) = VT_I4;
2253 V_I4(pVarDst) = ul64;
2256 else if (dwVtBits & VTBIT_UI4 && ul64 <= UI4_MAX)
2258 V_VT(pVarDst) = VT_UI4;
2259 V_UI4(pVarDst) = ul64;
2262 else if (dwVtBits & VTBIT_I8 && ul64 <= I8_MAX)
2264 V_VT(pVarDst) = VT_I8;
2265 V_I8(pVarDst) = ul64;
2268 else if (dwVtBits & VTBIT_UI8)
2270 V_VT(pVarDst) = VT_UI8;
2271 V_UI8(pVarDst) = ul64;
2274 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2276 /* Decimal is only output choice left - fast path */
2277 V_VT(pVarDst) = VT_DECIMAL;
2278 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2279 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2280 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2286 if (dwVtBits & REAL_VTBITS)
2288 /* Try to put the number into a float or real */
2289 BOOL bOverflow = FALSE, bNegative = pNumprs->dwOutFlags & NUMPRS_NEG;
2293 /* Convert the number into a double */
2294 for (i = 0; i < pNumprs->cDig; i++)
2295 whole = whole * 10.0 + rgbDig[i];
2297 TRACE("Whole double value is %16.16g\n", whole);
2299 /* Account for the scale */
2300 while (multiplier10 > 10)
2302 if (whole > dblMaximums[10])
2304 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2308 whole = whole * dblMultipliers[10];
2313 if (whole > dblMaximums[multiplier10])
2315 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2319 whole = whole * dblMultipliers[multiplier10];
2322 TRACE("Scaled double value is %16.16g\n", whole);
2324 while (divisor10 > 10)
2326 if (whole < dblMinimums[10] && whole != 0)
2328 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2332 whole = whole / dblMultipliers[10];
2337 if (whole < dblMinimums[divisor10] && whole != 0)
2339 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2343 whole = whole / dblMultipliers[divisor10];
2346 TRACE("Final double value is %16.16g\n", whole);
2348 if (dwVtBits & VTBIT_R4 &&
2349 ((whole <= R4_MAX && whole >= R4_MIN) || whole == 0.0))
2351 TRACE("Set R4 to final value\n");
2352 V_VT(pVarDst) = VT_R4; /* Fits into a float */
2353 V_R4(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2357 if (dwVtBits & VTBIT_R8)
2359 TRACE("Set R8 to final value\n");
2360 V_VT(pVarDst) = VT_R8; /* Fits into a double */
2361 V_R8(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2365 if (dwVtBits & VTBIT_CY)
2367 if (SUCCEEDED(VarCyFromR8(bNegative ? -whole : whole, &V_CY(pVarDst))))
2369 V_VT(pVarDst) = VT_CY; /* Fits into a currency */
2370 TRACE("Set CY to final value\n");
2373 TRACE("Value Overflows CY\n");
2377 if (dwVtBits & VTBIT_DECIMAL)
2382 DECIMAL* pDec = &V_DECIMAL(pVarDst);
2384 DECIMAL_SETZERO(*pDec);
2387 if (pNumprs->dwOutFlags & NUMPRS_NEG)
2388 DEC_SIGN(pDec) = DECIMAL_NEG;
2390 DEC_SIGN(pDec) = DECIMAL_POS;
2392 /* Factor the significant digits */
2393 for (i = 0; i < pNumprs->cDig; i++)
2395 tmp = (ULONG64)DEC_LO32(pDec) * 10 + rgbDig[i];
2396 carry = (ULONG)(tmp >> 32);
2397 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2398 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2399 carry = (ULONG)(tmp >> 32);
2400 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2401 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2402 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2404 if (tmp >> 32 & UI4_MAX)
2406 VarNumFromParseNum_DecOverflow:
2407 TRACE("Overflow\n");
2408 DEC_LO32(pDec) = DEC_MID32(pDec) = DEC_HI32(pDec) = UI4_MAX;
2409 return DISP_E_OVERFLOW;
2413 /* Account for the scale of the number */
2414 while (multiplier10 > 0)
2416 tmp = (ULONG64)DEC_LO32(pDec) * 10;
2417 carry = (ULONG)(tmp >> 32);
2418 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2419 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2420 carry = (ULONG)(tmp >> 32);
2421 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2422 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2423 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2425 if (tmp >> 32 & UI4_MAX)
2426 goto VarNumFromParseNum_DecOverflow;
2429 DEC_SCALE(pDec) = divisor10;
2431 V_VT(pVarDst) = VT_DECIMAL;
2434 return DISP_E_OVERFLOW; /* No more output choices */
2437 /**********************************************************************
2438 * VarCat [OLEAUT32.318]
2440 * Concatenates one variant onto another.
2443 * left [I] First variant
2444 * right [I] Second variant
2445 * result [O] Result variant
2449 * Failure: An HRESULT error code indicating the error.
2451 HRESULT WINAPI VarCat(LPVARIANT left, LPVARIANT right, LPVARIANT out)
2453 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2454 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), out);
2456 /* Should we VariantClear out? */
2457 /* Can we handle array, vector, by ref etc. */
2458 if ((V_VT(left)&VT_TYPEMASK) == VT_NULL &&
2459 (V_VT(right)&VT_TYPEMASK) == VT_NULL)
2461 V_VT(out) = VT_NULL;
2465 if (V_VT(left) == VT_BSTR && V_VT(right) == VT_BSTR)
2467 V_VT(out) = VT_BSTR;
2468 VarBstrCat (V_BSTR(left), V_BSTR(right), &V_BSTR(out));
2471 if (V_VT(left) == VT_BSTR) {
2475 V_VT(out) = VT_BSTR;
2476 VariantInit(&bstrvar);
2477 hres = VariantChangeTypeEx(&bstrvar,right,0,0,VT_BSTR);
2479 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
2482 VarBstrCat (V_BSTR(left), V_BSTR(&bstrvar), &V_BSTR(out));
2485 if (V_VT(right) == VT_BSTR) {
2489 V_VT(out) = VT_BSTR;
2490 VariantInit(&bstrvar);
2491 hres = VariantChangeTypeEx(&bstrvar,left,0,0,VT_BSTR);
2493 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
2496 VarBstrCat (V_BSTR(&bstrvar), V_BSTR(right), &V_BSTR(out));
2499 FIXME ("types %d / %d not supported\n",V_VT(left)&VT_TYPEMASK, V_VT(right)&VT_TYPEMASK);
2503 /**********************************************************************
2504 * VarCmp [OLEAUT32.176]
2507 * NORM_IGNORECASE, NORM_IGNORENONSPACE, NORM_IGNORESYMBOLS
2508 * NORM_IGNOREWIDTH, NORM_IGNOREKANATYPE, NORM_IGNOREKASHIDA
2511 HRESULT WINAPI VarCmp(LPVARIANT left, LPVARIANT right, LCID lcid, DWORD flags)
2521 TRACE("(%p->(%s%s),%p->(%s%s),0x%08lx,0x%08lx)\n", left, debugstr_VT(left),
2522 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), lcid, flags);
2524 VariantInit(&lv);VariantInit(&rv);
2525 V_VT(right) &= ~0x8000; /* hack since we sometime get this flag. */
2526 V_VT(left) &= ~0x8000; /* hack since we sometime get this flag. */
2528 /* If either are null, then return VARCMP_NULL */
2529 if ((V_VT(left)&VT_TYPEMASK) == VT_NULL ||
2530 (V_VT(right)&VT_TYPEMASK) == VT_NULL)
2533 /* Strings - use VarBstrCmp */
2534 if ((V_VT(left)&VT_TYPEMASK) == VT_BSTR &&
2535 (V_VT(right)&VT_TYPEMASK) == VT_BSTR) {
2536 return VarBstrCmp(V_BSTR(left), V_BSTR(right), lcid, flags);
2539 xmask = (1<<(V_VT(left)&VT_TYPEMASK))|(1<<(V_VT(right)&VT_TYPEMASK));
2540 if (xmask & VTBIT_R8) {
2541 rc = VariantChangeType(&lv,left,0,VT_R8);
2542 if (FAILED(rc)) return rc;
2543 rc = VariantChangeType(&rv,right,0,VT_R8);
2544 if (FAILED(rc)) return rc;
2546 if (V_R8(&lv) == V_R8(&rv)) return VARCMP_EQ;
2547 if (V_R8(&lv) < V_R8(&rv)) return VARCMP_LT;
2548 if (V_R8(&lv) > V_R8(&rv)) return VARCMP_GT;
2549 return E_FAIL; /* can't get here */
2551 if (xmask & VTBIT_R4) {
2552 rc = VariantChangeType(&lv,left,0,VT_R4);
2553 if (FAILED(rc)) return rc;
2554 rc = VariantChangeType(&rv,right,0,VT_R4);
2555 if (FAILED(rc)) return rc;
2557 if (V_R4(&lv) == V_R4(&rv)) return VARCMP_EQ;
2558 if (V_R4(&lv) < V_R4(&rv)) return VARCMP_LT;
2559 if (V_R4(&lv) > V_R4(&rv)) return VARCMP_GT;
2560 return E_FAIL; /* can't get here */
2563 /* Integers - Ideally like to use VarDecCmp, but no Dec support yet
2564 Use LONGLONG to maximize ranges */
2566 switch (V_VT(left)&VT_TYPEMASK) {
2567 case VT_I1 : lVal = V_I1(left); break;
2568 case VT_I2 : lVal = V_I2(left); break;
2570 case VT_INT : lVal = V_I4(left); break;
2571 case VT_UI1 : lVal = V_UI1(left); break;
2572 case VT_UI2 : lVal = V_UI2(left); break;
2574 case VT_UINT : lVal = V_UI4(left); break;
2575 case VT_BOOL : lVal = V_BOOL(left); break;
2576 case VT_EMPTY : lVal = 0; break;
2577 default: lOk = FALSE;
2581 switch (V_VT(right)&VT_TYPEMASK) {
2582 case VT_I1 : rVal = V_I1(right); break;
2583 case VT_I2 : rVal = V_I2(right); break;
2585 case VT_INT : rVal = V_I4(right); break;
2586 case VT_UI1 : rVal = V_UI1(right); break;
2587 case VT_UI2 : rVal = V_UI2(right); break;
2589 case VT_UINT : rVal = V_UI4(right); break;
2590 case VT_BOOL : rVal = V_BOOL(right); break;
2591 case VT_EMPTY : rVal = 0; break;
2592 default: rOk = FALSE;
2598 } else if (lVal > rVal) {
2606 if ((V_VT(left)&VT_TYPEMASK) == VT_DATE &&
2607 (V_VT(right)&VT_TYPEMASK) == VT_DATE) {
2609 if (floor(V_DATE(left)) == floor(V_DATE(right))) {
2610 /* Due to floating point rounding errors, calculate varDate in whole numbers) */
2611 double wholePart = 0.0;
2615 /* Get the fraction * 24*60*60 to make it into whole seconds */
2616 wholePart = (double) floor( V_DATE(left) );
2617 if (wholePart == 0) wholePart = 1;
2618 leftR = floor(fmod( V_DATE(left), wholePart ) * (24*60*60));
2620 wholePart = (double) floor( V_DATE(right) );
2621 if (wholePart == 0) wholePart = 1;
2622 rightR = floor(fmod( V_DATE(right), wholePart ) * (24*60*60));
2624 if (leftR < rightR) {
2626 } else if (leftR > rightR) {
2632 } else if (V_DATE(left) < V_DATE(right)) {
2634 } else if (V_DATE(left) > V_DATE(right)) {
2638 FIXME("VarCmp partial implementation, doesn't support vt 0x%x / 0x%x\n",V_VT(left), V_VT(right));
2642 /**********************************************************************
2643 * VarAnd [OLEAUT32.142]
2645 * Computes the logical AND of two variants.
2648 * left [I] First variant
2649 * right [I] Second variant
2650 * result [O] Result variant
2654 * Failure: An HRESULT error code indicating the error.
2656 HRESULT WINAPI VarAnd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2658 HRESULT rc = E_FAIL;
2660 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2661 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
2663 if ((V_VT(left)&VT_TYPEMASK) == VT_BOOL &&
2664 (V_VT(right)&VT_TYPEMASK) == VT_BOOL) {
2666 V_VT(result) = VT_BOOL;
2667 if (V_BOOL(left) && V_BOOL(right)) {
2668 V_BOOL(result) = VARIANT_TRUE;
2670 V_BOOL(result) = VARIANT_FALSE;
2681 int resT = 0; /* Testing has shown I2 & I2 == I2, all else
2682 becomes I4, even unsigned ints (incl. UI2) */
2685 switch (V_VT(left)&VT_TYPEMASK) {
2686 case VT_I1 : lVal = V_I1(left); resT=VT_I4; break;
2687 case VT_I2 : lVal = V_I2(left); resT=VT_I2; break;
2689 case VT_INT : lVal = V_I4(left); resT=VT_I4; break;
2690 case VT_UI1 : lVal = V_UI1(left); resT=VT_I4; break;
2691 case VT_UI2 : lVal = V_UI2(left); resT=VT_I4; break;
2693 case VT_UINT : lVal = V_UI4(left); resT=VT_I4; break;
2694 case VT_BOOL : rVal = V_BOOL(left); resT=VT_I4; break;
2695 default: lOk = FALSE;
2699 switch (V_VT(right)&VT_TYPEMASK) {
2700 case VT_I1 : rVal = V_I1(right); resT=VT_I4; break;
2701 case VT_I2 : rVal = V_I2(right); resT=max(VT_I2, resT); break;
2703 case VT_INT : rVal = V_I4(right); resT=VT_I4; break;
2704 case VT_UI1 : rVal = V_UI1(right); resT=VT_I4; break;
2705 case VT_UI2 : rVal = V_UI2(right); resT=VT_I4; break;
2707 case VT_UINT : rVal = V_UI4(right); resT=VT_I4; break;
2708 case VT_BOOL : rVal = V_BOOL(right); resT=VT_I4; break;
2709 default: rOk = FALSE;
2713 res = (lVal & rVal);
2714 V_VT(result) = resT;
2716 case VT_I2 : V_I2(result) = res; break;
2717 case VT_I4 : V_I4(result) = res; break;
2719 FIXME("Unexpected result variant type %x\n", resT);
2725 FIXME("VarAnd stub\n");
2729 TRACE("returning 0x%8lx (%s%s),%ld\n", rc, debugstr_VT(result),
2730 debugstr_VF(result), V_VT(result) == VT_I4 ? V_I4(result) : V_I2(result));
2734 /**********************************************************************
2735 * VarAdd [OLEAUT32.141]
2740 * left [I] First variant
2741 * right [I] Second variant
2742 * result [O] Result variant
2746 * Failure: An HRESULT error code indicating the error.
2749 * Native VarAdd up to and including WinXP dosn't like as input variants
2750 * I1, UI2, UI4, UI8, INT and UINT.
2752 * Native VarAdd dosn't check for NULL in/out pointers and crashes. We do the
2756 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
2759 HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2762 VARTYPE lvt, rvt, resvt, tvt;
2766 /* Variant priority for coercion. Sorted from lowest to highest.
2767 VT_ERROR shows an invalid input variant type. */
2768 enum coerceprio { vt_EMPTY, vt_UI1, vt_I2, vt_I4, vt_I8, vt_BSTR,vt_R4,
2769 vt_R8, vt_CY, vt_DATE, vt_DECIMAL, vt_DISPATCH, vt_NULL,
2771 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
2772 VARTYPE prio2vt[] = { VT_EMPTY, VT_UI1, VT_I2, VT_I4, VT_I8, VT_BSTR, VT_R4,
2773 VT_R8, VT_CY, VT_DATE, VT_DECIMAL, VT_DISPATCH,
2774 VT_NULL, VT_ERROR };
2776 /* Mapping for coercion from input variant to priority of result variant. */
2777 static VARTYPE coerce[] = {
2778 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
2779 vt_EMPTY, vt_NULL, vt_I2, vt_I4, vt_R4,
2780 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
2781 vt_R8, vt_CY, vt_DATE, vt_BSTR, vt_DISPATCH,
2782 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
2783 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
2784 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
2785 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
2788 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2789 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
2795 lvt = V_VT(left)&VT_TYPEMASK;
2796 rvt = V_VT(right)&VT_TYPEMASK;
2798 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
2799 Same for any input variant type > VT_I8 */
2800 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
2801 lvt > VT_I8 || rvt > VT_I8) {
2802 hres = DISP_E_BADVARTYPE;
2806 /* Determine the variant type to coerce to. */
2807 if (coerce[lvt] > coerce[rvt]) {
2808 resvt = prio2vt[coerce[lvt]];
2809 tvt = prio2vt[coerce[rvt]];
2811 resvt = prio2vt[coerce[rvt]];
2812 tvt = prio2vt[coerce[lvt]];
2815 /* Special cases where the result variant type is defined by both
2816 input variants and not only that with the highest priority */
2817 if (resvt == VT_BSTR) {
2818 if (tvt == VT_EMPTY || tvt == VT_BSTR)
2823 if (resvt == VT_R4 && (tvt == VT_BSTR || tvt == VT_I8 || tvt == VT_I4))
2826 /* For overflow detection use the biggest compatible type for the
2830 hres = DISP_E_BADVARTYPE;
2834 V_VT(result) = VT_NULL;
2837 FIXME("cannot handle variant type VT_DISPATCH\n");
2838 hres = DISP_E_TYPEMISMATCH;
2857 /* Now coerce the variants */
2858 hres = VariantChangeType(&lv, left, 0, tvt);
2861 hres = VariantChangeType(&rv, right, 0, tvt);
2868 V_VT(result) = resvt;
2871 hres = VarDecAdd(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
2872 &V_DECIMAL(result));
2875 hres = VarCyAdd(V_CY(&lv), V_CY(&rv), &V_CY(result));
2878 /* We do not add those, we concatenate them. */
2879 hres = VarBstrCat(V_BSTR(&lv), V_BSTR(&rv), &V_BSTR(result));
2882 /* Overflow detection */
2883 r8res = (double)V_I8(&lv) + (double)V_I8(&rv);
2884 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
2885 V_VT(result) = VT_R8;
2886 V_R8(result) = r8res;
2889 V_I8(&tv) = V_I8(&lv) + V_I8(&rv);
2892 /* FIXME: overflow detection */
2893 V_R8(&tv) = V_R8(&lv) + V_R8(&rv);
2896 ERR("We shouldn't get here! tvt = %d!\n", tvt);
2900 if ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
2901 /* Overflow! Change to the vartype with the next higher priority.
2902 With one exception: I4 ==> R8 even if it would fit in I8 */
2906 resvt = prio2vt[coerce[resvt] + 1];
2907 hres = VariantChangeType(result, &tv, 0, resvt);
2910 hres = VariantCopy(result, &tv);
2914 V_VT(result) = VT_EMPTY;
2915 V_I4(result) = 0; /* No V_EMPTY */
2920 TRACE("returning 0x%8lx (variant type %s)\n", hres, debugstr_VT(result));
2924 /**********************************************************************
2925 * VarMul [OLEAUT32.156]
2927 * Multiply two variants.
2930 * left [I] First variant
2931 * right [I] Second variant
2932 * result [O] Result variant
2936 * Failure: An HRESULT error code indicating the error.
2939 * Native VarMul up to and including WinXP dosn't like as input variants
2940 * I1, UI2, UI4, UI8, INT and UINT. But it can multiply apples with oranges.
2942 * Native VarMul dosn't check for NULL in/out pointers and crashes. We do the
2946 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
2949 HRESULT WINAPI VarMul(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2952 VARTYPE lvt, rvt, resvt, tvt;
2956 /* Variant priority for coercion. Sorted from lowest to highest.
2957 VT_ERROR shows an invalid input variant type. */
2958 enum coerceprio { vt_UI1 = 0, vt_I2, vt_I4, vt_I8, vt_CY, vt_R4, vt_R8,
2959 vt_DECIMAL, vt_NULL, vt_ERROR };
2960 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
2961 VARTYPE prio2vt[] = { VT_UI1, VT_I2, VT_I4, VT_I8, VT_CY, VT_R4, VT_R8,
2962 VT_DECIMAL, VT_NULL, VT_ERROR };
2964 /* Mapping for coercion from input variant to priority of result variant. */
2965 static VARTYPE coerce[] = {
2966 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
2967 vt_UI1, vt_NULL, vt_I2, vt_I4, vt_R4,
2968 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
2969 vt_R8, vt_CY, vt_R8, vt_R8, vt_ERROR,
2970 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
2971 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
2972 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
2973 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
2976 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2977 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
2983 lvt = V_VT(left)&VT_TYPEMASK;
2984 rvt = V_VT(right)&VT_TYPEMASK;
2986 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
2987 Same for any input variant type > VT_I8 */
2988 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
2989 lvt > VT_I8 || rvt > VT_I8) {
2990 hres = DISP_E_BADVARTYPE;
2994 /* Determine the variant type to coerce to. */
2995 if (coerce[lvt] > coerce[rvt]) {
2996 resvt = prio2vt[coerce[lvt]];
2997 tvt = prio2vt[coerce[rvt]];
2999 resvt = prio2vt[coerce[rvt]];
3000 tvt = prio2vt[coerce[lvt]];
3003 /* Special cases where the result variant type is defined by both
3004 input variants and not only that with the highest priority */
3005 if (resvt == VT_R4 && (tvt == VT_CY || tvt == VT_I8 || tvt == VT_I4))
3007 if (lvt == VT_EMPTY && rvt == VT_EMPTY)
3010 /* For overflow detection use the biggest compatible type for the
3014 hres = DISP_E_BADVARTYPE;
3018 V_VT(result) = VT_NULL;
3033 /* Now coerce the variants */
3034 hres = VariantChangeType(&lv, left, 0, tvt);
3037 hres = VariantChangeType(&rv, right, 0, tvt);
3044 V_VT(result) = resvt;
3047 hres = VarDecMul(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
3048 &V_DECIMAL(result));
3051 hres = VarCyMul(V_CY(&lv), V_CY(&rv), &V_CY(result));
3054 /* Overflow detection */
3055 r8res = (double)V_I8(&lv) * (double)V_I8(&rv);
3056 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
3057 V_VT(result) = VT_R8;
3058 V_R8(result) = r8res;
3061 V_I8(&tv) = V_I8(&lv) * V_I8(&rv);
3064 /* FIXME: overflow detection */
3065 V_R8(&tv) = V_R8(&lv) * V_R8(&rv);
3068 ERR("We shouldn't get here! tvt = %d!\n", tvt);
3072 while ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
3073 /* Overflow! Change to the vartype with the next higher priority.
3074 With one exception: I4 ==> R8 even if it would fit in I8 */
3078 resvt = prio2vt[coerce[resvt] + 1];
3081 hres = VariantCopy(result, &tv);
3085 V_VT(result) = VT_EMPTY;
3086 V_I4(result) = 0; /* No V_EMPTY */
3091 TRACE("returning 0x%8lx (variant type %s)\n", hres, debugstr_VT(result));
3095 /**********************************************************************
3096 * VarDiv [OLEAUT32.143]
3098 * Divides one variant with another.
3101 * left [I] First variant
3102 * right [I] Second variant
3103 * result [O] Result variant
3107 * Failure: An HRESULT error code indicating the error.
3109 HRESULT WINAPI VarDiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3111 HRESULT rc = E_FAIL;
3112 VARTYPE lvt,rvt,resvt;
3116 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3117 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3119 VariantInit(&lv);VariantInit(&rv);
3120 lvt = V_VT(left)&VT_TYPEMASK;
3121 rvt = V_VT(right)&VT_TYPEMASK;
3122 found = FALSE;resvt = VT_VOID;
3123 if (((1<<lvt) | (1<<rvt)) & (VTBIT_R4|VTBIT_R8|VTBIT_CY)) {
3127 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_DECIMAL))) {
3131 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_I1|VTBIT_I2|VTBIT_UI1|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|(1<<VT_INT)|(1<<VT_UINT)))) {
3136 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
3139 rc = VariantChangeType(&lv, left, 0, resvt);
3141 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
3144 rc = VariantChangeType(&rv, right, 0, resvt);
3146 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
3151 if (V_R8(&rv) == 0) return DISP_E_DIVBYZERO;
3152 V_VT(result) = resvt;
3153 V_R8(result) = V_R8(&lv) / V_R8(&rv);
3157 rc = VarDecDiv(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
3158 V_VT(result) = resvt;
3161 if (V_I4(&rv) == 0) return DISP_E_DIVBYZERO;
3162 V_VT(result) = resvt;
3163 V_I4(result) = V_I4(&lv) / V_I4(&rv);
3167 TRACE("returning 0x%8lx (%s%s),%g\n", rc, debugstr_VT(result),
3168 debugstr_VF(result), V_VT(result) == VT_R8 ? V_R8(result) : (double)V_I4(result));
3172 /**********************************************************************
3173 * VarSub [OLEAUT32.159]
3175 * Subtract two variants.
3178 * left [I] First variant
3179 * right [I] Second variant
3180 * result [O] Result variant
3184 * Failure: An HRESULT error code indicating the error.
3186 HRESULT WINAPI VarSub(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3188 HRESULT rc = E_FAIL;
3189 VARTYPE lvt,rvt,resvt;
3193 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3194 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3196 VariantInit(&lv);VariantInit(&rv);
3197 lvt = V_VT(left)&VT_TYPEMASK;
3198 rvt = V_VT(right)&VT_TYPEMASK;
3199 found = FALSE;resvt = VT_VOID;
3200 if (((1<<lvt) | (1<<rvt)) & ((1<<VT_DATE)|(1<<VT_R4)|(1<<VT_R8))) {
3204 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_DECIMAL))) {
3208 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_I1|VTBIT_I2|VTBIT_UI1|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|(1<<VT_INT)|(1<<VT_UINT)))) {
3213 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
3216 rc = VariantChangeType(&lv, left, 0, resvt);
3218 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
3221 rc = VariantChangeType(&rv, right, 0, resvt);
3223 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
3228 V_VT(result) = resvt;
3229 V_R8(result) = V_R8(&lv) - V_R8(&rv);
3233 rc = VarDecSub(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
3234 V_VT(result) = resvt;
3237 V_VT(result) = resvt;
3238 V_I4(result) = V_I4(&lv) - V_I4(&rv);
3242 TRACE("returning 0x%8lx (%s%s),%g\n", rc, debugstr_VT(result),
3243 debugstr_VF(result), V_VT(result) == VT_R8 ? V_R8(result) : (double)V_I4(result));
3247 /**********************************************************************
3248 * VarOr [OLEAUT32.157]
3250 * Perform a logical or (OR) operation on two variants.
3253 * pVarLeft [I] First variant
3254 * pVarRight [I] Variant to OR with pVarLeft
3255 * pVarOut [O] Destination for OR result
3258 * Success: S_OK. pVarOut contains the result of the operation with its type
3259 * taken from the table listed under VarXor().
3260 * Failure: An HRESULT error code indicating the error.
3263 * See the Notes section of VarXor() for further information.
3265 HRESULT WINAPI VarOr(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
3268 VARIANT varLeft, varRight, varStr;
3271 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
3272 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
3273 debugstr_VF(pVarRight), pVarOut);
3275 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
3276 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
3277 V_VT(pVarLeft) == VT_DISPATCH || V_VT(pVarRight) == VT_DISPATCH ||
3278 V_VT(pVarLeft) == VT_RECORD || V_VT(pVarRight) == VT_RECORD)
3279 return DISP_E_BADVARTYPE;
3281 V_VT(&varLeft) = V_VT(&varRight) = V_VT(&varStr) = VT_EMPTY;
3283 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
3285 /* NULL OR Zero is NULL, NULL OR value is value */
3286 if (V_VT(pVarLeft) == VT_NULL)
3287 pVarLeft = pVarRight; /* point to the non-NULL var */
3289 V_VT(pVarOut) = VT_NULL;
3292 switch (V_VT(pVarLeft))
3294 case VT_DATE: case VT_R8:
3299 if (V_BOOL(pVarLeft))
3300 *pVarOut = *pVarLeft;
3302 case VT_I2: case VT_UI2:
3311 if (V_UI1(pVarLeft))
3312 *pVarOut = *pVarLeft;
3318 case VT_I4: case VT_UI4: case VT_INT: case VT_UINT:
3323 if (V_CY(pVarLeft).int64)
3326 case VT_I8: case VT_UI8:
3331 if (DEC_HI32(&V_DECIMAL(pVarLeft)) || DEC_LO64(&V_DECIMAL(pVarLeft)))
3338 if (!V_BSTR(pVarLeft))
3339 return DISP_E_BADVARTYPE;
3341 hRet = VarBoolFromStr(V_BSTR(pVarLeft), LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
3342 if (SUCCEEDED(hRet) && b)
3344 V_VT(pVarOut) = VT_BOOL;
3345 V_BOOL(pVarOut) = b;
3349 case VT_NULL: case VT_EMPTY:
3350 V_VT(pVarOut) = VT_NULL;
3353 return DISP_E_BADVARTYPE;
3357 if (V_VT(pVarLeft) == VT_EMPTY || V_VT(pVarRight) == VT_EMPTY)
3359 if (V_VT(pVarLeft) == VT_EMPTY)
3360 pVarLeft = pVarRight; /* point to the non-EMPTY var */
3363 /* Since one argument is empty (0), OR'ing it with the other simply
3364 * gives the others value (as 0|x => x). So just convert the other
3365 * argument to the required result type.
3367 switch (V_VT(pVarLeft))
3370 if (!V_BSTR(pVarLeft))
3371 return DISP_E_BADVARTYPE;
3373 hRet = VariantCopy(&varStr, pVarLeft);
3377 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
3380 /* Fall Through ... */
3381 case VT_EMPTY: case VT_UI1: case VT_BOOL: case VT_I2:
3382 V_VT(pVarOut) = VT_I2;
3384 case VT_DATE: case VT_CY: case VT_DECIMAL: case VT_R4: case VT_R8:
3385 case VT_I1: case VT_UI2: case VT_I4: case VT_UI4:
3386 case VT_INT: case VT_UINT: case VT_UI8:
3387 V_VT(pVarOut) = VT_I4;
3390 V_VT(pVarOut) = VT_I8;
3393 return DISP_E_BADVARTYPE;
3395 hRet = VariantCopy(&varLeft, pVarLeft);
3398 pVarLeft = &varLeft;
3399 hRet = VariantChangeType(pVarOut, pVarLeft, 0, V_VT(pVarOut));
3403 if (V_VT(pVarLeft) == VT_BOOL && V_VT(pVarRight) == VT_BOOL)
3405 V_VT(pVarOut) = VT_BOOL;
3406 V_BOOL(pVarOut) = V_BOOL(pVarLeft) | V_BOOL(pVarRight);
3410 if (V_VT(pVarLeft) == VT_UI1 && V_VT(pVarRight) == VT_UI1)
3412 V_VT(pVarOut) = VT_UI1;
3413 V_UI1(pVarOut) = V_UI1(pVarLeft) | V_UI1(pVarRight);
3417 if (V_VT(pVarLeft) == VT_BSTR)
3419 hRet = VariantCopy(&varStr, pVarLeft);
3423 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
3428 if (V_VT(pVarLeft) == VT_BOOL &&
3429 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_BSTR))
3433 else if ((V_VT(pVarLeft) == VT_BOOL || V_VT(pVarLeft) == VT_UI1 ||
3434 V_VT(pVarLeft) == VT_I2 || V_VT(pVarLeft) == VT_BSTR) &&
3435 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_UI1 ||
3436 V_VT(pVarRight) == VT_I2 || V_VT(pVarRight) == VT_BSTR))
3440 else if (V_VT(pVarLeft) == VT_I8 || V_VT(pVarRight) == VT_I8)
3442 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
3443 return DISP_E_TYPEMISMATCH;
3447 hRet = VariantCopy(&varLeft, pVarLeft);
3451 hRet = VariantCopy(&varRight, pVarRight);
3455 if (vt == VT_I4 && V_VT(&varLeft) == VT_UI4)
3456 V_VT(&varLeft) = VT_I4; /* Don't overflow */
3461 if (V_VT(&varLeft) == VT_BSTR &&
3462 FAILED(VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d)))
3463 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL, VT_BOOL);
3464 if (SUCCEEDED(hRet) && V_VT(&varLeft) != vt)
3465 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
3470 if (vt == VT_I4 && V_VT(&varRight) == VT_UI4)
3471 V_VT(&varRight) = VT_I4; /* Don't overflow */
3476 if (V_VT(&varRight) == VT_BSTR &&
3477 FAILED(VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d)))
3478 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL, VT_BOOL);
3479 if (SUCCEEDED(hRet) && V_VT(&varRight) != vt)
3480 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
3488 V_I8(pVarOut) = V_I8(&varLeft) | V_I8(&varRight);
3490 else if (vt == VT_I4)
3492 V_I4(pVarOut) = V_I4(&varLeft) | V_I4(&varRight);
3496 V_I2(pVarOut) = V_I2(&varLeft) | V_I2(&varRight);
3500 VariantClear(&varStr);
3501 VariantClear(&varLeft);
3502 VariantClear(&varRight);
3506 /**********************************************************************
3507 * VarAbs [OLEAUT32.168]
3509 * Convert a variant to its absolute value.
3512 * pVarIn [I] Source variant
3513 * pVarOut [O] Destination for converted value
3516 * Success: S_OK. pVarOut contains the absolute value of pVarIn.
3517 * Failure: An HRESULT error code indicating the error.
3520 * - This function does not process by-reference variants.
3521 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3522 * according to the following table:
3523 *| Input Type Output Type
3524 *| ---------- -----------
3527 *| (All others) Unchanged
3529 HRESULT WINAPI VarAbs(LPVARIANT pVarIn, LPVARIANT pVarOut)
3532 HRESULT hRet = S_OK;
3534 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3535 debugstr_VF(pVarIn), pVarOut);
3537 if (V_ISARRAY(pVarIn) || V_VT(pVarIn) == VT_UNKNOWN ||
3538 V_VT(pVarIn) == VT_DISPATCH || V_VT(pVarIn) == VT_RECORD ||
3539 V_VT(pVarIn) == VT_ERROR)
3540 return DISP_E_TYPEMISMATCH;
3542 *pVarOut = *pVarIn; /* Shallow copy the value, and invert it if needed */
3544 #define ABS_CASE(typ,min) \
3545 case VT_##typ: if (V_##typ(pVarIn) == min) hRet = DISP_E_OVERFLOW; \
3546 else if (V_##typ(pVarIn) < 0) V_##typ(pVarOut) = -V_##typ(pVarIn); \
3549 switch (V_VT(pVarIn))
3551 ABS_CASE(I1,I1_MIN);
3553 V_VT(pVarOut) = VT_I2;
3554 /* BOOL->I2, Fall through ... */
3555 ABS_CASE(I2,I2_MIN);
3557 ABS_CASE(I4,I4_MIN);
3558 ABS_CASE(I8,I8_MIN);
3559 ABS_CASE(R4,R4_MIN);
3561 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
3564 V_VT(pVarOut) = VT_R8;
3566 /* Fall through ... */
3568 ABS_CASE(R8,R8_MIN);
3570 hRet = VarCyAbs(V_CY(pVarIn), & V_CY(pVarOut));
3573 DEC_SIGN(&V_DECIMAL(pVarOut)) &= ~DECIMAL_NEG;
3583 V_VT(pVarOut) = VT_I2;
3588 hRet = DISP_E_BADVARTYPE;
3594 /**********************************************************************
3595 * VarFix [OLEAUT32.169]
3597 * Truncate a variants value to a whole number.
3600 * pVarIn [I] Source variant
3601 * pVarOut [O] Destination for converted value
3604 * Success: S_OK. pVarOut contains the converted value.
3605 * Failure: An HRESULT error code indicating the error.
3608 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3609 * according to the following table:
3610 *| Input Type Output Type
3611 *| ---------- -----------
3615 *| All Others Unchanged
3616 * - The difference between this function and VarInt() is that VarInt() rounds
3617 * negative numbers away from 0, while this function rounds them towards zero.
3619 HRESULT WINAPI VarFix(LPVARIANT pVarIn, LPVARIANT pVarOut)
3621 HRESULT hRet = S_OK;
3623 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3624 debugstr_VF(pVarIn), pVarOut);
3626 V_VT(pVarOut) = V_VT(pVarIn);
3628 switch (V_VT(pVarIn))
3631 V_UI1(pVarOut) = V_UI1(pVarIn);
3634 V_VT(pVarOut) = VT_I2;
3637 V_I2(pVarOut) = V_I2(pVarIn);
3640 V_I4(pVarOut) = V_I4(pVarIn);
3643 V_I8(pVarOut) = V_I8(pVarIn);
3646 if (V_R4(pVarIn) < 0.0f)
3647 V_R4(pVarOut) = (float)ceil(V_R4(pVarIn));
3649 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
3652 V_VT(pVarOut) = VT_R8;
3653 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
3658 if (V_R8(pVarIn) < 0.0)
3659 V_R8(pVarOut) = ceil(V_R8(pVarIn));
3661 V_R8(pVarOut) = floor(V_R8(pVarIn));
3664 hRet = VarCyFix(V_CY(pVarIn), &V_CY(pVarOut));
3667 hRet = VarDecFix(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
3670 V_VT(pVarOut) = VT_I2;
3677 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
3678 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
3679 hRet = DISP_E_BADVARTYPE;
3681 hRet = DISP_E_TYPEMISMATCH;
3684 V_VT(pVarOut) = VT_EMPTY;
3689 /**********************************************************************
3690 * VarInt [OLEAUT32.172]
3692 * Truncate a variants value to a whole number.
3695 * pVarIn [I] Source variant
3696 * pVarOut [O] Destination for converted value
3699 * Success: S_OK. pVarOut contains the converted value.
3700 * Failure: An HRESULT error code indicating the error.
3703 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3704 * according to the following table:
3705 *| Input Type Output Type
3706 *| ---------- -----------
3710 *| All Others Unchanged
3711 * - The difference between this function and VarFix() is that VarFix() rounds
3712 * negative numbers towards 0, while this function rounds them away from zero.
3714 HRESULT WINAPI VarInt(LPVARIANT pVarIn, LPVARIANT pVarOut)
3716 HRESULT hRet = S_OK;
3718 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3719 debugstr_VF(pVarIn), pVarOut);
3721 V_VT(pVarOut) = V_VT(pVarIn);
3723 switch (V_VT(pVarIn))
3726 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
3729 V_VT(pVarOut) = VT_R8;
3730 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
3735 V_R8(pVarOut) = floor(V_R8(pVarIn));
3738 hRet = VarCyInt(V_CY(pVarIn), &V_CY(pVarOut));
3741 hRet = VarDecInt(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
3744 return VarFix(pVarIn, pVarOut);
3750 /**********************************************************************
3751 * VarXor [OLEAUT32.167]
3753 * Perform a logical exclusive-or (XOR) operation on two variants.
3756 * pVarLeft [I] First variant
3757 * pVarRight [I] Variant to XOR with pVarLeft
3758 * pVarOut [O] Destination for XOR result
3761 * Success: S_OK. pVarOut contains the result of the operation with its type
3762 * taken from the table below).
3763 * Failure: An HRESULT error code indicating the error.
3766 * - Neither pVarLeft or pVarRight are modified by this function.
3767 * - This function does not process by-reference variants.
3768 * - Input types of VT_BSTR may be numeric strings or boolean text.
3769 * - The type of result stored in pVarOut depends on the types of pVarLeft
3770 * and pVarRight, and will be one of VT_UI1, VT_I2, VT_I4, VT_I8, VT_BOOL,
3771 * or VT_NULL if the function succeeds.
3772 * - Type promotion is inconsistent and as a result certain combinations of
3773 * values will return DISP_E_OVERFLOW even when they could be represented.
3774 * This matches the behaviour of native oleaut32.
3776 HRESULT WINAPI VarXor(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
3779 VARIANT varLeft, varRight;
3783 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
3784 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
3785 debugstr_VF(pVarRight), pVarOut);
3787 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
3788 V_VT(pVarLeft) > VT_UINT || V_VT(pVarRight) > VT_UINT ||
3789 V_VT(pVarLeft) == VT_VARIANT || V_VT(pVarRight) == VT_VARIANT ||
3790 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
3791 V_VT(pVarLeft) == (VARTYPE)15 || V_VT(pVarRight) == (VARTYPE)15 ||
3792 V_VT(pVarLeft) == VT_ERROR || V_VT(pVarRight) == VT_ERROR)
3793 return DISP_E_BADVARTYPE;
3795 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
3797 /* NULL XOR anything valid is NULL */
3798 V_VT(pVarOut) = VT_NULL;
3802 /* Copy our inputs so we don't disturb anything */
3803 V_VT(&varLeft) = V_VT(&varRight) = VT_EMPTY;
3805 hRet = VariantCopy(&varLeft, pVarLeft);
3809 hRet = VariantCopy(&varRight, pVarRight);
3813 /* Try any strings first as numbers, then as VT_BOOL */
3814 if (V_VT(&varLeft) == VT_BSTR)
3816 hRet = VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d);
3817 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL,
3818 FAILED(hRet) ? VT_BOOL : VT_I4);
3823 if (V_VT(&varRight) == VT_BSTR)
3825 hRet = VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d);
3826 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL,
3827 FAILED(hRet) ? VT_BOOL : VT_I4);
3832 /* Determine the result type */
3833 if (V_VT(&varLeft) == VT_I8 || V_VT(&varRight) == VT_I8)
3835 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
3836 return DISP_E_TYPEMISMATCH;
3841 switch ((V_VT(&varLeft) << 16) | V_VT(&varRight))
3843 case (VT_BOOL << 16) | VT_BOOL:
3846 case (VT_UI1 << 16) | VT_UI1:
3849 case (VT_EMPTY << 16) | VT_EMPTY:
3850 case (VT_EMPTY << 16) | VT_UI1:
3851 case (VT_EMPTY << 16) | VT_I2:
3852 case (VT_EMPTY << 16) | VT_BOOL:
3853 case (VT_UI1 << 16) | VT_EMPTY:
3854 case (VT_UI1 << 16) | VT_I2:
3855 case (VT_UI1 << 16) | VT_BOOL:
3856 case (VT_I2 << 16) | VT_EMPTY:
3857 case (VT_I2 << 16) | VT_UI1:
3858 case (VT_I2 << 16) | VT_I2:
3859 case (VT_I2 << 16) | VT_BOOL:
3860 case (VT_BOOL << 16) | VT_EMPTY:
3861 case (VT_BOOL << 16) | VT_UI1:
3862 case (VT_BOOL << 16) | VT_I2:
3871 /* VT_UI4 does not overflow */
3874 if (V_VT(&varLeft) == VT_UI4)
3875 V_VT(&varLeft) = VT_I4;
3876 if (V_VT(&varRight) == VT_UI4)
3877 V_VT(&varRight) = VT_I4;
3880 /* Convert our input copies to the result type */
3881 if (V_VT(&varLeft) != vt)
3882 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
3886 if (V_VT(&varRight) != vt)
3887 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
3893 /* Calculate the result */
3897 V_I8(pVarOut) = V_I8(&varLeft) ^ V_I8(&varRight);
3900 V_I4(pVarOut) = V_I4(&varLeft) ^ V_I4(&varRight);
3904 V_I2(pVarOut) = V_I2(&varLeft) ^ V_I2(&varRight);
3907 V_UI1(pVarOut) = V_UI1(&varLeft) ^ V_UI1(&varRight);
3912 VariantClear(&varLeft);
3913 VariantClear(&varRight);
3917 /**********************************************************************
3918 * VarEqv [OLEAUT32.172]
3920 * Determine if two variants contain the same value.
3923 * pVarLeft [I] First variant to compare
3924 * pVarRight [I] Variant to compare to pVarLeft
3925 * pVarOut [O] Destination for comparison result
3928 * Success: S_OK. pVarOut contains the result of the comparison (VARIANT_TRUE
3929 * if equivalent or non-zero otherwise.
3930 * Failure: An HRESULT error code indicating the error.
3933 * - This function simply calls VarXor() on pVarLeft and pVarRight and inverts
3936 HRESULT WINAPI VarEqv(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
3940 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
3941 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
3942 debugstr_VF(pVarRight), pVarOut);
3944 hRet = VarXor(pVarLeft, pVarRight, pVarOut);
3945 if (SUCCEEDED(hRet))
3947 if (V_VT(pVarOut) == VT_I8)
3948 V_I8(pVarOut) = ~V_I8(pVarOut);
3950 V_UI4(pVarOut) = ~V_UI4(pVarOut);
3955 /**********************************************************************
3956 * VarNeg [OLEAUT32.173]
3958 * Negate the value of a variant.
3961 * pVarIn [I] Source variant
3962 * pVarOut [O] Destination for converted value
3965 * Success: S_OK. pVarOut contains the converted value.
3966 * Failure: An HRESULT error code indicating the error.
3969 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3970 * according to the following table:
3971 *| Input Type Output Type
3972 *| ---------- -----------
3977 *| All Others Unchanged (unless promoted)
3978 * - Where the negated value of a variant does not fit in its base type, the type
3979 * is promoted according to the following table:
3980 *| Input Type Promoted To
3981 *| ---------- -----------
3985 * - The native version of this function returns DISP_E_BADVARTYPE for valid
3986 * variant types that cannot be negated, and returns DISP_E_TYPEMISMATCH
3987 * for types which are not valid. Since this is in contravention of the
3988 * meaning of those error codes and unlikely to be relied on by applications,
3989 * this implementation returns errors consistent with the other high level
3990 * variant math functions.
3992 HRESULT WINAPI VarNeg(LPVARIANT pVarIn, LPVARIANT pVarOut)
3994 HRESULT hRet = S_OK;
3996 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3997 debugstr_VF(pVarIn), pVarOut);
3999 V_VT(pVarOut) = V_VT(pVarIn);
4001 switch (V_VT(pVarIn))
4004 V_VT(pVarOut) = VT_I2;
4005 V_I2(pVarOut) = -V_UI1(pVarIn);
4008 V_VT(pVarOut) = VT_I2;
4011 if (V_I2(pVarIn) == I2_MIN)
4013 V_VT(pVarOut) = VT_I4;
4014 V_I4(pVarOut) = -(int)V_I2(pVarIn);
4017 V_I2(pVarOut) = -V_I2(pVarIn);
4020 if (V_I4(pVarIn) == I4_MIN)
4022 V_VT(pVarOut) = VT_R8;
4023 V_R8(pVarOut) = -(double)V_I4(pVarIn);
4026 V_I4(pVarOut) = -V_I4(pVarIn);
4029 if (V_I8(pVarIn) == I8_MIN)
4031 V_VT(pVarOut) = VT_R8;
4032 hRet = VarR8FromI8(V_I8(pVarIn), &V_R8(pVarOut));
4033 V_R8(pVarOut) *= -1.0;
4036 V_I8(pVarOut) = -V_I8(pVarIn);
4039 V_R4(pVarOut) = -V_R4(pVarIn);
4043 V_R8(pVarOut) = -V_R8(pVarIn);
4046 hRet = VarCyNeg(V_CY(pVarIn), &V_CY(pVarOut));
4049 hRet = VarDecNeg(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
4052 V_VT(pVarOut) = VT_R8;
4053 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
4054 V_R8(pVarOut) = -V_R8(pVarOut);
4057 V_VT(pVarOut) = VT_I2;
4064 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4065 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4066 hRet = DISP_E_BADVARTYPE;
4068 hRet = DISP_E_TYPEMISMATCH;
4071 V_VT(pVarOut) = VT_EMPTY;
4076 /**********************************************************************
4077 * VarNot [OLEAUT32.174]
4079 * Perform a not operation on a variant.
4082 * pVarIn [I] Source variant
4083 * pVarOut [O] Destination for converted value
4086 * Success: S_OK. pVarOut contains the converted value.
4087 * Failure: An HRESULT error code indicating the error.
4090 * - Strictly speaking, this function performs a bitwise ones complement
4091 * on the variants value (after possibly converting to VT_I4, see below).
4092 * This only behaves like a boolean not operation if the value in
4093 * pVarIn is either VARIANT_TRUE or VARIANT_FALSE and the type is signed.
4094 * - To perform a genuine not operation, convert the variant to a VT_BOOL
4095 * before calling this function.
4096 * - This function does not process by-reference variants.
4097 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4098 * according to the following table:
4099 *| Input Type Output Type
4100 *| ---------- -----------
4107 *| (All others) Unchanged
4109 HRESULT WINAPI VarNot(LPVARIANT pVarIn, LPVARIANT pVarOut)
4112 HRESULT hRet = S_OK;
4114 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4115 debugstr_VF(pVarIn), pVarOut);
4117 V_VT(pVarOut) = V_VT(pVarIn);
4119 switch (V_VT(pVarIn))
4122 V_I4(pVarOut) = ~V_I1(pVarIn);
4123 V_VT(pVarOut) = VT_I4;
4125 case VT_UI1: V_UI1(pVarOut) = ~V_UI1(pVarIn); break;
4127 case VT_I2: V_I2(pVarOut) = ~V_I2(pVarIn); break;
4129 V_I4(pVarOut) = ~V_UI2(pVarIn);
4130 V_VT(pVarOut) = VT_I4;
4133 hRet = VarI4FromDec(&V_DECIMAL(pVarIn), &V_I4(&varIn));
4137 /* Fall through ... */
4139 V_VT(pVarOut) = VT_I4;
4140 /* Fall through ... */
4141 case VT_I4: V_I4(pVarOut) = ~V_I4(pVarIn); break;
4144 V_I4(pVarOut) = ~V_UI4(pVarIn);
4145 V_VT(pVarOut) = VT_I4;
4147 case VT_I8: V_I8(pVarOut) = ~V_I8(pVarIn); break;
4149 V_I4(pVarOut) = ~V_UI8(pVarIn);
4150 V_VT(pVarOut) = VT_I4;
4153 hRet = VarI4FromR4(V_R4(pVarIn), &V_I4(pVarOut));
4154 V_I4(pVarOut) = ~V_I4(pVarOut);
4155 V_VT(pVarOut) = VT_I4;
4158 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
4162 /* Fall through ... */
4165 hRet = VarI4FromR8(V_R8(pVarIn), &V_I4(pVarOut));
4166 V_I4(pVarOut) = ~V_I4(pVarOut);
4167 V_VT(pVarOut) = VT_I4;
4170 hRet = VarI4FromCy(V_CY(pVarIn), &V_I4(pVarOut));
4171 V_I4(pVarOut) = ~V_I4(pVarOut);
4172 V_VT(pVarOut) = VT_I4;
4176 V_VT(pVarOut) = VT_I2;
4182 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4183 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4184 hRet = DISP_E_BADVARTYPE;
4186 hRet = DISP_E_TYPEMISMATCH;
4189 V_VT(pVarOut) = VT_EMPTY;
4194 /**********************************************************************
4195 * VarRound [OLEAUT32.175]
4197 * Perform a round operation on a variant.
4200 * pVarIn [I] Source variant
4201 * deci [I] Number of decimals to round to
4202 * pVarOut [O] Destination for converted value
4205 * Success: S_OK. pVarOut contains the converted value.
4206 * Failure: An HRESULT error code indicating the error.
4209 * - Floating point values are rounded to the desired number of decimals.
4210 * - Some integer types are just copied to the return variable.
4211 * - Some other integer types are not handled and fail.
4213 HRESULT WINAPI VarRound(LPVARIANT pVarIn, int deci, LPVARIANT pVarOut)
4216 HRESULT hRet = S_OK;
4219 TRACE("(%p->(%s%s),%d)\n", pVarIn, debugstr_VT(pVarIn), debugstr_VF(pVarIn), deci);
4221 switch (V_VT(pVarIn))
4223 /* cases that fail on windows */
4228 hRet = DISP_E_BADVARTYPE;
4231 /* cases just copying in to out */
4233 V_VT(pVarOut) = V_VT(pVarIn);
4234 V_UI1(pVarOut) = V_UI1(pVarIn);
4237 V_VT(pVarOut) = V_VT(pVarIn);
4238 V_I2(pVarOut) = V_I2(pVarIn);
4241 V_VT(pVarOut) = V_VT(pVarIn);
4242 V_I4(pVarOut) = V_I4(pVarIn);
4245 V_VT(pVarOut) = V_VT(pVarIn);
4246 /* value unchanged */
4249 /* cases that change type */
4251 V_VT(pVarOut) = VT_I2;
4255 V_VT(pVarOut) = VT_I2;
4256 V_I2(pVarOut) = V_BOOL(pVarIn);
4259 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
4264 /* Fall through ... */
4266 /* cases we need to do math */
4268 if (V_R8(pVarIn)>0) {
4269 V_R8(pVarOut)=floor(V_R8(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4271 V_R8(pVarOut)=ceil(V_R8(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4273 V_VT(pVarOut) = V_VT(pVarIn);
4276 if (V_R4(pVarIn)>0) {
4277 V_R4(pVarOut)=floor(V_R4(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4279 V_R4(pVarOut)=ceil(V_R4(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4281 V_VT(pVarOut) = V_VT(pVarIn);
4284 if (V_DATE(pVarIn)>0) {
4285 V_DATE(pVarOut)=floor(V_DATE(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4287 V_DATE(pVarOut)=ceil(V_DATE(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4289 V_VT(pVarOut) = V_VT(pVarIn);
4295 factor=pow(10, 4-deci);
4297 if (V_CY(pVarIn).int64>0) {
4298 V_CY(pVarOut).int64=floor(V_CY(pVarIn).int64/factor)*factor;
4300 V_CY(pVarOut).int64=ceil(V_CY(pVarIn).int64/factor)*factor;
4302 V_VT(pVarOut) = V_VT(pVarIn);
4305 /* cases we don't know yet */
4307 FIXME("unimplemented part, V_VT(pVarIn) == 0x%X, deci == %d\n",
4308 V_VT(pVarIn) & VT_TYPEMASK, deci);
4309 hRet = DISP_E_BADVARTYPE;
4313 V_VT(pVarOut) = VT_EMPTY;
4315 TRACE("returning 0x%08lx (%s%s),%f\n", hRet, debugstr_VT(pVarOut),
4316 debugstr_VF(pVarOut), (V_VT(pVarOut) == VT_R4) ? V_R4(pVarOut) :
4317 (V_VT(pVarOut) == VT_R8) ? V_R8(pVarOut) : 0);
4322 /**********************************************************************
4323 * VarIdiv [OLEAUT32.153]
4325 * Converts input variants to integers and divides them.
4328 * left [I] Left hand variant
4329 * right [I] Right hand variant
4330 * result [O] Destination for quotient
4333 * Success: S_OK. result contains the quotient.
4334 * Failure: An HRESULT error code indicating the error.
4337 * If either expression is null, null is returned, as per MSDN
4339 HRESULT WINAPI VarIdiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4347 if ((V_VT(left) == VT_NULL) || (V_VT(right) == VT_NULL)) {
4348 hr = VariantChangeType(result, result, 0, VT_NULL);
4350 /* This should never happen */
4351 FIXME("Failed to convert return value to VT_NULL.\n");
4357 hr = VariantChangeType(&lv, left, 0, VT_I4);
4361 hr = VariantChangeType(&rv, right, 0, VT_I4);
4366 hr = VarDiv(&lv, &rv, result);
4371 /**********************************************************************
4372 * VarMod [OLEAUT32.155]
4374 * Perform the modulus operation of the right hand variant on the left
4377 * left [I] Left hand variant
4378 * right [I] Right hand variant
4379 * result [O] Destination for converted value
4382 * Success: S_OK. result contains the remainder.
4383 * Failure: An HRESULT error code indicating the error.
4386 * If an error occurs the type of result will be modified but the value will not be.
4387 * Doesn't support arrays or any special flags yet.
4389 HRESULT WINAPI VarMod(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4393 HRESULT rc = E_FAIL;
4400 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
4401 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
4403 /* check for invalid inputs */
4405 switch (V_VT(left) & VT_TYPEMASK) {
4426 V_VT(result) = VT_EMPTY;
4427 return DISP_E_TYPEMISMATCH;
4429 V_VT(result) = VT_EMPTY;
4430 return DISP_E_OVERFLOW;
4432 return DISP_E_TYPEMISMATCH;
4434 V_VT(result) = VT_EMPTY;
4435 return DISP_E_TYPEMISMATCH;
4439 V_VT(result) = VT_EMPTY;
4440 return DISP_E_BADVARTYPE;
4445 switch (V_VT(right) & VT_TYPEMASK) {
4451 if((V_VT(left) == VT_INT) && (V_VT(right) == VT_I8))
4453 V_VT(result) = VT_EMPTY;
4454 return DISP_E_TYPEMISMATCH;
4457 if((V_VT(right) == VT_INT) && (V_VT(left) == VT_I8))
4459 V_VT(result) = VT_EMPTY;
4460 return DISP_E_TYPEMISMATCH;
4470 if(V_VT(left) == VT_EMPTY)
4472 V_VT(result) = VT_I4;
4478 if(V_VT(left) == VT_NULL)
4480 V_VT(result) = VT_NULL;
4486 V_VT(result) = VT_EMPTY;
4487 return DISP_E_BADVARTYPE;
4489 if(V_VT(left) == VT_VOID)
4491 V_VT(result) = VT_EMPTY;
4492 return DISP_E_BADVARTYPE;
4493 } else if((V_VT(left) == VT_NULL) || (V_VT(left) == VT_EMPTY) || (V_VT(left) == VT_ERROR) ||
4496 V_VT(result) = VT_NULL;
4500 V_VT(result) = VT_NULL;
4501 return DISP_E_BADVARTYPE;
4505 V_VT(result) = VT_EMPTY;
4506 return DISP_E_TYPEMISMATCH;
4508 if(V_VT(left) == VT_ERROR)
4510 V_VT(result) = VT_EMPTY;
4511 return DISP_E_TYPEMISMATCH;
4514 V_VT(result) = VT_EMPTY;
4515 return DISP_E_OVERFLOW;
4518 return DISP_E_TYPEMISMATCH;
4520 if((V_VT(left) == 15) || ((V_VT(left) >= 24) && (V_VT(left) <= 35)) || !lOk)
4522 V_VT(result) = VT_EMPTY;
4523 return DISP_E_BADVARTYPE;
4526 V_VT(result) = VT_EMPTY;
4527 return DISP_E_TYPEMISMATCH;
4530 V_VT(result) = VT_EMPTY;
4531 return DISP_E_BADVARTYPE;
4534 /* determine the result type */
4535 if((V_VT(left) == VT_I8) || (V_VT(right) == VT_I8)) resT = VT_I8;
4536 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4537 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_UI1)) resT = VT_UI1;
4538 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_I2)) resT = VT_I2;
4539 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4540 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_UI1)) resT = VT_I2;
4541 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_I2)) resT = VT_I2;
4542 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4543 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_UI1)) resT = VT_I2;
4544 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_I2)) resT = VT_I2;
4545 else resT = VT_I4; /* most outputs are I4 */
4547 /* convert to I8 for the modulo */
4548 rc = VariantChangeType(&lv, left, 0, VT_I8);
4551 FIXME("Could not convert left type %d to %d? rc == 0x%lX\n", V_VT(left), VT_I8, rc);
4555 rc = VariantChangeType(&rv, right, 0, VT_I8);
4558 FIXME("Could not convert right type %d to %d? rc == 0x%lX\n", V_VT(right), VT_I8, rc);
4562 /* if right is zero set VT_EMPTY and return divide by zero */
4565 V_VT(result) = VT_EMPTY;
4566 return DISP_E_DIVBYZERO;
4569 /* perform the modulo operation */
4570 V_VT(result) = VT_I8;
4571 V_I8(result) = V_I8(&lv) % V_I8(&rv);
4573 TRACE("V_I8(left) == %ld, V_I8(right) == %ld, V_I8(result) == %ld\n", (long)V_I8(&lv), (long)V_I8(&rv), (long)V_I8(result));
4575 /* convert left and right to the destination type */
4576 rc = VariantChangeType(result, result, 0, resT);
4579 FIXME("Could not convert 0x%x to %d?\n", V_VT(result), resT);
4586 /**********************************************************************
4587 * VarPow [OLEAUT32.158]
4589 * Computes the power of one variant to another variant.
4592 * left [I] First variant
4593 * right [I] Second variant
4594 * result [O] Result variant
4598 * Failure: An HRESULT error code indicating the error.
4600 HRESULT WINAPI VarPow(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4605 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left), debugstr_VF(left),
4606 right, debugstr_VT(right), debugstr_VF(right), result);
4608 hr = VariantChangeType(&dl,left,0,VT_R8);
4609 if (!SUCCEEDED(hr)) {
4610 ERR("Could not change passed left argument to VT_R8, handle it differently.\n");
4613 hr = VariantChangeType(&dr,right,0,VT_R8);
4614 if (!SUCCEEDED(hr)) {
4615 ERR("Could not change passed right argument to VT_R8, handle it differently.\n");
4618 V_VT(result) = VT_R8;
4619 V_R8(result) = pow(V_R8(&dl),V_R8(&dr));