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+1] =
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));
629 V_VT(pVarg) = VT_EMPTY;
634 /******************************************************************************
635 * Copy an IRecordInfo object contained in a variant.
637 static HRESULT VARIANT_CopyIRecordInfo(struct __tagBRECORD* pBr)
645 hres = IRecordInfo_GetSize(pBr->pRecInfo, &ulSize);
648 PVOID pvRecord = HeapAlloc(GetProcessHeap(), 0, ulSize);
650 hres = E_OUTOFMEMORY;
653 memcpy(pvRecord, pBr->pvRecord, ulSize);
654 pBr->pvRecord = pvRecord;
656 hres = IRecordInfo_RecordCopy(pBr->pRecInfo, pvRecord, pvRecord);
658 IRecordInfo_AddRef(pBr->pRecInfo);
662 else if (pBr->pvRecord)
667 /******************************************************************************
668 * VariantCopy [OLEAUT32.10]
673 * pvargDest [O] Destination for copy
674 * pvargSrc [I] Source variant to copy
677 * Success: S_OK. pvargDest contains a copy of pvargSrc.
678 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid type.
679 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
680 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
681 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
684 * - If pvargSrc == pvargDest, this function does nothing, and succeeds if
685 * pvargSrc is valid. Otherwise, pvargDest is always cleared using
686 * VariantClear() before pvargSrc is copied to it. If clearing pvargDest
687 * fails, so does this function.
688 * - VT_CLSID is a valid type type for pvargSrc, but not for pvargDest.
689 * - For by-value non-intrinsic types, a deep copy is made, i.e. The whole value
690 * is copied rather than just any pointers to it.
691 * - For by-value object types the object pointer is copied and the objects
692 * reference count increased using IUnknown_AddRef().
693 * - For all by-reference types, only the referencing pointer is copied.
695 HRESULT WINAPI VariantCopy(VARIANTARG* pvargDest, VARIANTARG* pvargSrc)
699 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
700 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
701 debugstr_VF(pvargSrc));
703 if (V_TYPE(pvargSrc) == VT_CLSID || /* VT_CLSID is a special case */
704 FAILED(VARIANT_ValidateType(V_VT(pvargSrc))))
705 return DISP_E_BADVARTYPE;
707 if (pvargSrc != pvargDest &&
708 SUCCEEDED(hres = VariantClear(pvargDest)))
710 *pvargDest = *pvargSrc; /* Shallow copy the value */
712 if (!V_ISBYREF(pvargSrc))
714 if (V_ISARRAY(pvargSrc))
716 if (V_ARRAY(pvargSrc))
717 hres = SafeArrayCopy(V_ARRAY(pvargSrc), &V_ARRAY(pvargDest));
719 else if (V_VT(pvargSrc) == VT_BSTR)
721 if (V_BSTR(pvargSrc))
723 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)V_BSTR(pvargSrc), SysStringByteLen(V_BSTR(pvargSrc)));
724 if (!V_BSTR(pvargDest))
726 TRACE("!V_BSTR(pvargDest), SysAllocStringByteLen() failed to allocate %d bytes\n", SysStringByteLen(V_BSTR(pvargSrc)));
727 hres = E_OUTOFMEMORY;
731 else if (V_VT(pvargSrc) == VT_RECORD)
733 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
735 else if (V_VT(pvargSrc) == VT_DISPATCH ||
736 V_VT(pvargSrc) == VT_UNKNOWN)
738 if (V_UNKNOWN(pvargSrc))
739 IUnknown_AddRef(V_UNKNOWN(pvargSrc));
746 /* Return the byte size of a variants data */
747 static inline size_t VARIANT_DataSize(const VARIANT* pv)
752 case VT_UI1: return sizeof(BYTE);
754 case VT_UI2: return sizeof(SHORT);
758 case VT_UI4: return sizeof(LONG);
760 case VT_UI8: return sizeof(LONGLONG);
761 case VT_R4: return sizeof(float);
762 case VT_R8: return sizeof(double);
763 case VT_DATE: return sizeof(DATE);
764 case VT_BOOL: return sizeof(VARIANT_BOOL);
767 case VT_BSTR: return sizeof(void*);
768 case VT_CY: return sizeof(CY);
769 case VT_ERROR: return sizeof(SCODE);
771 TRACE("Shouldn't be called for vt %s%s!\n", debugstr_VT(pv), debugstr_VF(pv));
775 /******************************************************************************
776 * VariantCopyInd [OLEAUT32.11]
778 * Copy a variant, dereferencing it it is by-reference.
781 * pvargDest [O] Destination for copy
782 * pvargSrc [I] Source variant to copy
785 * Success: S_OK. pvargDest contains a copy of pvargSrc.
786 * Failure: An HRESULT error code indicating the error.
789 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid by-value type.
790 * E_INVALIDARG, if pvargSrc is an invalid by-reference type.
791 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
792 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
793 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
796 * - If pvargSrc is by-value, this function behaves exactly as VariantCopy().
797 * - If pvargSrc is by-reference, the value copied to pvargDest is the pointed-to
799 * - if pvargSrc == pvargDest, this function dereferences in place. Otherwise,
800 * pvargDest is always cleared using VariantClear() before pvargSrc is copied
801 * to it. If clearing pvargDest fails, so does this function.
803 HRESULT WINAPI VariantCopyInd(VARIANT* pvargDest, VARIANTARG* pvargSrc)
805 VARIANTARG vTmp, *pSrc = pvargSrc;
809 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
810 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
811 debugstr_VF(pvargSrc));
813 if (!V_ISBYREF(pvargSrc))
814 return VariantCopy(pvargDest, pvargSrc);
816 /* Argument checking is more lax than VariantCopy()... */
817 vt = V_TYPE(pvargSrc);
818 if (V_ISARRAY(pvargSrc) ||
819 (vt > VT_NULL && vt != (VARTYPE)15 && vt < VT_VOID &&
820 !(V_VT(pvargSrc) & (VT_VECTOR|VT_RESERVED))))
825 return E_INVALIDARG; /* ...And the return value for invalid types differs too */
827 if (pvargSrc == pvargDest)
829 /* In place copy. Use a shallow copy of pvargSrc & init pvargDest.
830 * This avoids an expensive VariantCopy() call - e.g. SafeArrayCopy().
834 V_VT(pvargDest) = VT_EMPTY;
838 /* Copy into another variant. Free the variant in pvargDest */
839 if (FAILED(hres = VariantClear(pvargDest)))
841 TRACE("VariantClear() of destination failed\n");
848 /* Native doesn't check that *V_ARRAYREF(pSrc) is valid */
849 hres = SafeArrayCopy(*V_ARRAYREF(pSrc), &V_ARRAY(pvargDest));
851 else if (V_VT(pSrc) == (VT_BSTR|VT_BYREF))
853 /* Native doesn't check that *V_BSTRREF(pSrc) is valid */
854 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)*V_BSTRREF(pSrc), SysStringByteLen(*V_BSTRREF(pSrc)));
856 else if (V_VT(pSrc) == (VT_RECORD|VT_BYREF))
858 V_UNION(pvargDest,brecVal) = V_UNION(pvargSrc,brecVal);
859 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
861 else if (V_VT(pSrc) == (VT_DISPATCH|VT_BYREF) ||
862 V_VT(pSrc) == (VT_UNKNOWN|VT_BYREF))
864 /* Native doesn't check that *V_UNKNOWNREF(pSrc) is valid */
865 V_UNKNOWN(pvargDest) = *V_UNKNOWNREF(pSrc);
866 if (*V_UNKNOWNREF(pSrc))
867 IUnknown_AddRef(*V_UNKNOWNREF(pSrc));
869 else if (V_VT(pSrc) == (VT_VARIANT|VT_BYREF))
871 /* Native doesn't check that *V_VARIANTREF(pSrc) is valid */
872 if (V_VT(V_VARIANTREF(pSrc)) == (VT_VARIANT|VT_BYREF))
873 hres = E_INVALIDARG; /* Don't dereference more than one level */
875 hres = VariantCopyInd(pvargDest, V_VARIANTREF(pSrc));
877 /* Use the dereferenced variants type value, not VT_VARIANT */
878 goto VariantCopyInd_Return;
880 else if (V_VT(pSrc) == (VT_DECIMAL|VT_BYREF))
882 memcpy(&DEC_SCALE(&V_DECIMAL(pvargDest)), &DEC_SCALE(V_DECIMALREF(pSrc)),
883 sizeof(DECIMAL) - sizeof(USHORT));
887 /* Copy the pointed to data into this variant */
888 memcpy(&V_BYREF(pvargDest), V_BYREF(pSrc), VARIANT_DataSize(pSrc));
891 V_VT(pvargDest) = V_VT(pSrc) & ~VT_BYREF;
893 VariantCopyInd_Return:
895 if (pSrc != pvargSrc)
898 TRACE("returning 0x%08lx, %p->(%s%s)\n", hres, pvargDest,
899 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
903 /******************************************************************************
904 * VariantChangeType [OLEAUT32.12]
906 * Change the type of a variant.
909 * pvargDest [O] Destination for the converted variant
910 * pvargSrc [O] Source variant to change the type of
911 * wFlags [I] VARIANT_ flags from "oleauto.h"
912 * vt [I] Variant type to change pvargSrc into
915 * Success: S_OK. pvargDest contains the converted value.
916 * Failure: An HRESULT error code describing the failure.
919 * The LCID used for the conversion is LOCALE_USER_DEFAULT.
920 * See VariantChangeTypeEx.
922 HRESULT WINAPI VariantChangeType(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
923 USHORT wFlags, VARTYPE vt)
925 return VariantChangeTypeEx( pvargDest, pvargSrc, LOCALE_USER_DEFAULT, wFlags, vt );
928 /******************************************************************************
929 * VariantChangeTypeEx [OLEAUT32.147]
931 * Change the type of a variant.
934 * pvargDest [O] Destination for the converted variant
935 * pvargSrc [O] Source variant to change the type of
936 * lcid [I] LCID for the conversion
937 * wFlags [I] VARIANT_ flags from "oleauto.h"
938 * vt [I] Variant type to change pvargSrc into
941 * Success: S_OK. pvargDest contains the converted value.
942 * Failure: An HRESULT error code describing the failure.
945 * pvargDest and pvargSrc can point to the same variant to perform an in-place
946 * conversion. If the conversion is successful, pvargSrc will be freed.
948 HRESULT WINAPI VariantChangeTypeEx(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
949 LCID lcid, USHORT wFlags, VARTYPE vt)
953 TRACE("(%p->(%s%s),%p->(%s%s),0x%08lx,0x%04x,%s%s)\n", pvargDest,
954 debugstr_VT(pvargDest), debugstr_VF(pvargDest), pvargSrc,
955 debugstr_VT(pvargSrc), debugstr_VF(pvargSrc), lcid, wFlags,
956 debugstr_vt(vt), debugstr_vf(vt));
959 res = DISP_E_BADVARTYPE;
962 res = VARIANT_ValidateType(V_VT(pvargSrc));
966 res = VARIANT_ValidateType(vt);
970 VARIANTARG vTmp, vSrcDeref;
972 if(V_ISBYREF(pvargSrc) && !V_BYREF(pvargSrc))
973 res = DISP_E_TYPEMISMATCH;
976 V_VT(&vTmp) = VT_EMPTY;
977 V_VT(&vSrcDeref) = VT_EMPTY;
979 VariantClear(&vSrcDeref);
984 res = VariantCopyInd(&vSrcDeref, pvargSrc);
987 if (V_ISARRAY(&vSrcDeref) || (vt & VT_ARRAY))
988 res = VARIANT_CoerceArray(&vTmp, &vSrcDeref, vt);
990 res = VARIANT_Coerce(&vTmp, lcid, wFlags, &vSrcDeref, vt);
992 if (SUCCEEDED(res)) {
994 VariantCopy(pvargDest, &vTmp);
997 VariantClear(&vSrcDeref);
1004 TRACE("returning 0x%08lx, %p->(%s%s)\n", res, pvargDest,
1005 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
1009 /* Date Conversions */
1011 #define IsLeapYear(y) (((y % 4) == 0) && (((y % 100) != 0) || ((y % 400) == 0)))
1013 /* Convert a VT_DATE value to a Julian Date */
1014 static inline int VARIANT_JulianFromDate(int dateIn)
1016 int julianDays = dateIn;
1018 julianDays -= DATE_MIN; /* Convert to + days from 1 Jan 100 AD */
1019 julianDays += 1757585; /* Convert to + days from 23 Nov 4713 BC (Julian) */
1023 /* Convert a Julian Date to a VT_DATE value */
1024 static inline int VARIANT_DateFromJulian(int dateIn)
1026 int julianDays = dateIn;
1028 julianDays -= 1757585; /* Convert to + days from 1 Jan 100 AD */
1029 julianDays += DATE_MIN; /* Convert to +/- days from 1 Jan 1899 AD */
1033 /* Convert a Julian date to Day/Month/Year - from PostgreSQL */
1034 static inline void VARIANT_DMYFromJulian(int jd, USHORT *year, USHORT *month, USHORT *day)
1040 l -= (n * 146097 + 3) / 4;
1041 i = (4000 * (l + 1)) / 1461001;
1042 l += 31 - (i * 1461) / 4;
1043 j = (l * 80) / 2447;
1044 *day = l - (j * 2447) / 80;
1046 *month = (j + 2) - (12 * l);
1047 *year = 100 * (n - 49) + i + l;
1050 /* Convert Day/Month/Year to a Julian date - from PostgreSQL */
1051 static inline double VARIANT_JulianFromDMY(USHORT year, USHORT month, USHORT day)
1053 int m12 = (month - 14) / 12;
1055 return ((1461 * (year + 4800 + m12)) / 4 + (367 * (month - 2 - 12 * m12)) / 12 -
1056 (3 * ((year + 4900 + m12) / 100)) / 4 + day - 32075);
1059 /* Macros for accessing DOS format date/time fields */
1060 #define DOS_YEAR(x) (1980 + (x >> 9))
1061 #define DOS_MONTH(x) ((x >> 5) & 0xf)
1062 #define DOS_DAY(x) (x & 0x1f)
1063 #define DOS_HOUR(x) (x >> 11)
1064 #define DOS_MINUTE(x) ((x >> 5) & 0x3f)
1065 #define DOS_SECOND(x) ((x & 0x1f) << 1)
1066 /* Create a DOS format date/time */
1067 #define DOS_DATE(d,m,y) (d | (m << 5) | ((y-1980) << 9))
1068 #define DOS_TIME(h,m,s) ((s >> 1) | (m << 5) | (h << 11))
1070 /* Roll a date forwards or backwards to correct it */
1071 static HRESULT VARIANT_RollUdate(UDATE *lpUd)
1073 static const BYTE days[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
1075 TRACE("Raw date: %d/%d/%d %d:%d:%d\n", lpUd->st.wDay, lpUd->st.wMonth,
1076 lpUd->st.wYear, lpUd->st.wHour, lpUd->st.wMinute, lpUd->st.wSecond);
1078 /* Years < 100 are treated as 1900 + year */
1079 if (lpUd->st.wYear < 100)
1080 lpUd->st.wYear += 1900;
1082 if (!lpUd->st.wMonth)
1084 /* Roll back to December of the previous year */
1085 lpUd->st.wMonth = 12;
1088 else while (lpUd->st.wMonth > 12)
1090 /* Roll forward the correct number of months */
1092 lpUd->st.wMonth -= 12;
1095 if (lpUd->st.wYear > 9999 || lpUd->st.wHour > 23 ||
1096 lpUd->st.wMinute > 59 || lpUd->st.wSecond > 59)
1097 return E_INVALIDARG; /* Invalid values */
1101 /* Roll back the date one day */
1102 if (lpUd->st.wMonth == 1)
1104 /* Roll back to December 31 of the previous year */
1106 lpUd->st.wMonth = 12;
1111 lpUd->st.wMonth--; /* Previous month */
1112 if (lpUd->st.wMonth == 2 && IsLeapYear(lpUd->st.wYear))
1113 lpUd->st.wDay = 29; /* Februaury has 29 days on leap years */
1115 lpUd->st.wDay = days[lpUd->st.wMonth]; /* Last day of the month */
1118 else if (lpUd->st.wDay > 28)
1120 int rollForward = 0;
1122 /* Possibly need to roll the date forward */
1123 if (lpUd->st.wMonth == 2 && IsLeapYear(lpUd->st.wYear))
1124 rollForward = lpUd->st.wDay - 29; /* Februaury has 29 days on leap years */
1126 rollForward = lpUd->st.wDay - days[lpUd->st.wMonth];
1128 if (rollForward > 0)
1130 lpUd->st.wDay = rollForward;
1132 if (lpUd->st.wMonth > 12)
1134 lpUd->st.wMonth = 1; /* Roll forward into January of the next year */
1139 TRACE("Rolled date: %d/%d/%d %d:%d:%d\n", lpUd->st.wDay, lpUd->st.wMonth,
1140 lpUd->st.wYear, lpUd->st.wHour, lpUd->st.wMinute, lpUd->st.wSecond);
1144 /**********************************************************************
1145 * DosDateTimeToVariantTime [OLEAUT32.14]
1147 * Convert a Dos format date and time into variant VT_DATE format.
1150 * wDosDate [I] Dos format date
1151 * wDosTime [I] Dos format time
1152 * pDateOut [O] Destination for VT_DATE format
1155 * Success: TRUE. pDateOut contains the converted time.
1156 * Failure: FALSE, if wDosDate or wDosTime are invalid (see notes).
1159 * - Dos format dates can only hold dates from 1-Jan-1980 to 31-Dec-2099.
1160 * - Dos format times are accurate to only 2 second precision.
1161 * - The format of a Dos Date is:
1162 *| Bits Values Meaning
1163 *| ---- ------ -------
1164 *| 0-4 1-31 Day of the week. 0 rolls back one day. A value greater than
1165 *| the days in the month rolls forward the extra days.
1166 *| 5-8 1-12 Month of the year. 0 rolls back to December of the previous
1167 *| year. 13-15 are invalid.
1168 *| 9-15 0-119 Year based from 1980 (Max 2099). 120-127 are invalid.
1169 * - The format of a Dos Time is:
1170 *| Bits Values Meaning
1171 *| ---- ------ -------
1172 *| 0-4 0-29 Seconds/2. 30 and 31 are invalid.
1173 *| 5-10 0-59 Minutes. 60-63 are invalid.
1174 *| 11-15 0-23 Hours (24 hour clock). 24-32 are invalid.
1176 INT WINAPI DosDateTimeToVariantTime(USHORT wDosDate, USHORT wDosTime,
1181 TRACE("(0x%x(%d/%d/%d),0x%x(%d:%d:%d),%p)\n",
1182 wDosDate, DOS_YEAR(wDosDate), DOS_MONTH(wDosDate), DOS_DAY(wDosDate),
1183 wDosTime, DOS_HOUR(wDosTime), DOS_MINUTE(wDosTime), DOS_SECOND(wDosTime),
1186 ud.st.wYear = DOS_YEAR(wDosDate);
1187 ud.st.wMonth = DOS_MONTH(wDosDate);
1188 if (ud.st.wYear > 2099 || ud.st.wMonth > 12)
1190 ud.st.wDay = DOS_DAY(wDosDate);
1191 ud.st.wHour = DOS_HOUR(wDosTime);
1192 ud.st.wMinute = DOS_MINUTE(wDosTime);
1193 ud.st.wSecond = DOS_SECOND(wDosTime);
1194 ud.st.wDayOfWeek = ud.st.wMilliseconds = 0;
1196 return !VarDateFromUdate(&ud, 0, pDateOut);
1199 /**********************************************************************
1200 * VariantTimeToDosDateTime [OLEAUT32.13]
1202 * Convert a variant format date into a Dos format date and time.
1204 * dateIn [I] VT_DATE time format
1205 * pwDosDate [O] Destination for Dos format date
1206 * pwDosTime [O] Destination for Dos format time
1209 * Success: TRUE. pwDosDate and pwDosTime contains the converted values.
1210 * Failure: FALSE, if dateIn cannot be represented in Dos format.
1213 * See DosDateTimeToVariantTime() for Dos format details and bugs.
1215 INT WINAPI VariantTimeToDosDateTime(double dateIn, USHORT *pwDosDate, USHORT *pwDosTime)
1219 TRACE("(%g,%p,%p)\n", dateIn, pwDosDate, pwDosTime);
1221 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1224 if (ud.st.wYear < 1980 || ud.st.wYear > 2099)
1227 *pwDosDate = DOS_DATE(ud.st.wDay, ud.st.wMonth, ud.st.wYear);
1228 *pwDosTime = DOS_TIME(ud.st.wHour, ud.st.wMinute, ud.st.wSecond);
1230 TRACE("Returning 0x%x(%d/%d/%d), 0x%x(%d:%d:%d)\n",
1231 *pwDosDate, DOS_YEAR(*pwDosDate), DOS_MONTH(*pwDosDate), DOS_DAY(*pwDosDate),
1232 *pwDosTime, DOS_HOUR(*pwDosTime), DOS_MINUTE(*pwDosTime), DOS_SECOND(*pwDosTime));
1236 /***********************************************************************
1237 * SystemTimeToVariantTime [OLEAUT32.184]
1239 * Convert a System format date and time into variant VT_DATE format.
1242 * lpSt [I] System format date and time
1243 * pDateOut [O] Destination for VT_DATE format date
1246 * Success: TRUE. *pDateOut contains the converted value.
1247 * Failure: FALSE, if lpSt cannot be represented in VT_DATE format.
1249 INT WINAPI SystemTimeToVariantTime(LPSYSTEMTIME lpSt, double *pDateOut)
1253 TRACE("(%p->%d/%d/%d %d:%d:%d,%p)\n", lpSt, lpSt->wDay, lpSt->wMonth,
1254 lpSt->wYear, lpSt->wHour, lpSt->wMinute, lpSt->wSecond, pDateOut);
1256 if (lpSt->wMonth > 12)
1259 memcpy(&ud.st, lpSt, sizeof(ud.st));
1260 return !VarDateFromUdate(&ud, 0, pDateOut);
1263 /***********************************************************************
1264 * VariantTimeToSystemTime [OLEAUT32.185]
1266 * Convert a variant VT_DATE into a System format date and time.
1269 * datein [I] Variant VT_DATE format date
1270 * lpSt [O] Destination for System format date and time
1273 * Success: TRUE. *lpSt contains the converted value.
1274 * Failure: FALSE, if dateIn is too large or small.
1276 INT WINAPI VariantTimeToSystemTime(double dateIn, LPSYSTEMTIME lpSt)
1280 TRACE("(%g,%p)\n", dateIn, lpSt);
1282 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1285 memcpy(lpSt, &ud.st, sizeof(ud.st));
1289 /***********************************************************************
1290 * VarDateFromUdateEx [OLEAUT32.319]
1292 * Convert an unpacked format date and time to a variant VT_DATE.
1295 * pUdateIn [I] Unpacked format date and time to convert
1296 * lcid [I] Locale identifier for the conversion
1297 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1298 * pDateOut [O] Destination for variant VT_DATE.
1301 * Success: S_OK. *pDateOut contains the converted value.
1302 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1304 HRESULT WINAPI VarDateFromUdateEx(UDATE *pUdateIn, LCID lcid, ULONG dwFlags, DATE *pDateOut)
1309 TRACE("(%p->%d/%d/%d %d:%d:%d:%d %d %d,0x%08lx,0x%08lx,%p)\n", pUdateIn,
1310 pUdateIn->st.wMonth, pUdateIn->st.wDay, pUdateIn->st.wYear,
1311 pUdateIn->st.wHour, pUdateIn->st.wMinute, pUdateIn->st.wSecond,
1312 pUdateIn->st.wMilliseconds, pUdateIn->st.wDayOfWeek,
1313 pUdateIn->wDayOfYear, lcid, dwFlags, pDateOut);
1315 if (lcid != MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT))
1316 FIXME("lcid possibly not handled, treating as en-us\n");
1318 memcpy(&ud, pUdateIn, sizeof(ud));
1320 if (dwFlags & VAR_VALIDDATE)
1321 WARN("Ignoring VAR_VALIDDATE\n");
1323 if (FAILED(VARIANT_RollUdate(&ud)))
1324 return E_INVALIDARG;
1327 dateVal = VARIANT_DateFromJulian(VARIANT_JulianFromDMY(ud.st.wYear, ud.st.wMonth, ud.st.wDay));
1330 dateVal += ud.st.wHour / 24.0;
1331 dateVal += ud.st.wMinute / 1440.0;
1332 dateVal += ud.st.wSecond / 86400.0;
1333 dateVal += ud.st.wMilliseconds / 86400000.0;
1335 TRACE("Returning %g\n", dateVal);
1336 *pDateOut = dateVal;
1340 /***********************************************************************
1341 * VarDateFromUdate [OLEAUT32.330]
1343 * Convert an unpacked format date and time to a variant VT_DATE.
1346 * pUdateIn [I] Unpacked format date and time to convert
1347 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1348 * pDateOut [O] Destination for variant VT_DATE.
1351 * Success: S_OK. *pDateOut contains the converted value.
1352 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1355 * This function uses the United States English locale for the conversion. Use
1356 * VarDateFromUdateEx() for alternate locales.
1358 HRESULT WINAPI VarDateFromUdate(UDATE *pUdateIn, ULONG dwFlags, DATE *pDateOut)
1360 LCID lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
1362 return VarDateFromUdateEx(pUdateIn, lcid, dwFlags, pDateOut);
1365 /***********************************************************************
1366 * VarUdateFromDate [OLEAUT32.331]
1368 * Convert a variant VT_DATE into an unpacked format date and time.
1371 * datein [I] Variant VT_DATE format date
1372 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1373 * lpUdate [O] Destination for unpacked format date and time
1376 * Success: S_OK. *lpUdate contains the converted value.
1377 * Failure: E_INVALIDARG, if dateIn is too large or small.
1379 HRESULT WINAPI VarUdateFromDate(DATE dateIn, ULONG dwFlags, UDATE *lpUdate)
1381 /* Cumulative totals of days per month */
1382 static const USHORT cumulativeDays[] =
1384 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
1386 double datePart, timePart;
1389 TRACE("(%g,0x%08lx,%p)\n", dateIn, dwFlags, lpUdate);
1391 if (dateIn <= (DATE_MIN - 1.0) || dateIn >= (DATE_MAX + 1.0))
1392 return E_INVALIDARG;
1394 datePart = dateIn < 0.0 ? ceil(dateIn) : floor(dateIn);
1395 /* Compensate for int truncation (always downwards) */
1396 timePart = dateIn - datePart + 0.00000000001;
1397 if (timePart >= 1.0)
1398 timePart -= 0.00000000001;
1401 julianDays = VARIANT_JulianFromDate(dateIn);
1402 VARIANT_DMYFromJulian(julianDays, &lpUdate->st.wYear, &lpUdate->st.wMonth,
1405 datePart = (datePart + 1.5) / 7.0;
1406 lpUdate->st.wDayOfWeek = (datePart - floor(datePart)) * 7;
1407 if (lpUdate->st.wDayOfWeek == 0)
1408 lpUdate->st.wDayOfWeek = 5;
1409 else if (lpUdate->st.wDayOfWeek == 1)
1410 lpUdate->st.wDayOfWeek = 6;
1412 lpUdate->st.wDayOfWeek -= 2;
1414 if (lpUdate->st.wMonth > 2 && IsLeapYear(lpUdate->st.wYear))
1415 lpUdate->wDayOfYear = 1; /* After February, in a leap year */
1417 lpUdate->wDayOfYear = 0;
1419 lpUdate->wDayOfYear += cumulativeDays[lpUdate->st.wMonth];
1420 lpUdate->wDayOfYear += lpUdate->st.wDay;
1424 lpUdate->st.wHour = timePart;
1425 timePart -= lpUdate->st.wHour;
1427 lpUdate->st.wMinute = timePart;
1428 timePart -= lpUdate->st.wMinute;
1430 lpUdate->st.wSecond = timePart;
1431 timePart -= lpUdate->st.wSecond;
1432 lpUdate->st.wMilliseconds = 0;
1435 /* Round the milliseconds, adjusting the time/date forward if needed */
1436 if (lpUdate->st.wSecond < 59)
1437 lpUdate->st.wSecond++;
1440 lpUdate->st.wSecond = 0;
1441 if (lpUdate->st.wMinute < 59)
1442 lpUdate->st.wMinute++;
1445 lpUdate->st.wMinute = 0;
1446 if (lpUdate->st.wHour < 23)
1447 lpUdate->st.wHour++;
1450 lpUdate->st.wHour = 0;
1451 /* Roll over a whole day */
1452 if (++lpUdate->st.wDay > 28)
1453 VARIANT_RollUdate(lpUdate);
1461 #define GET_NUMBER_TEXT(fld,name) \
1463 if (!GetLocaleInfoW(lcid, lctype|fld, buff, 2)) \
1464 WARN("buffer too small for " #fld "\n"); \
1466 if (buff[0]) lpChars->name = buff[0]; \
1467 TRACE("lcid 0x%lx, " #name "=%d '%c'\n", lcid, lpChars->name, lpChars->name)
1469 /* Get the valid number characters for an lcid */
1470 void VARIANT_GetLocalisedNumberChars(VARIANT_NUMBER_CHARS *lpChars, LCID lcid, DWORD dwFlags)
1472 static const VARIANT_NUMBER_CHARS defaultChars = { '-','+','.',',','$',0,'.',',' };
1473 LCTYPE lctype = dwFlags & LOCALE_NOUSEROVERRIDE;
1476 memcpy(lpChars, &defaultChars, sizeof(defaultChars));
1477 GET_NUMBER_TEXT(LOCALE_SNEGATIVESIGN, cNegativeSymbol);
1478 GET_NUMBER_TEXT(LOCALE_SPOSITIVESIGN, cPositiveSymbol);
1479 GET_NUMBER_TEXT(LOCALE_SDECIMAL, cDecimalPoint);
1480 GET_NUMBER_TEXT(LOCALE_STHOUSAND, cDigitSeperator);
1481 GET_NUMBER_TEXT(LOCALE_SMONDECIMALSEP, cCurrencyDecimalPoint);
1482 GET_NUMBER_TEXT(LOCALE_SMONTHOUSANDSEP, cCurrencyDigitSeperator);
1484 /* Local currency symbols are often 2 characters */
1485 lpChars->cCurrencyLocal2 = '\0';
1486 switch(GetLocaleInfoW(lcid, lctype|LOCALE_SCURRENCY, buff, sizeof(buff)/sizeof(WCHAR)))
1488 case 3: lpChars->cCurrencyLocal2 = buff[1]; /* Fall through */
1489 case 2: lpChars->cCurrencyLocal = buff[0];
1491 default: WARN("buffer too small for LOCALE_SCURRENCY\n");
1493 TRACE("lcid 0x%lx, cCurrencyLocal =%d,%d '%c','%c'\n", lcid, lpChars->cCurrencyLocal,
1494 lpChars->cCurrencyLocal2, lpChars->cCurrencyLocal, lpChars->cCurrencyLocal2);
1497 /* Number Parsing States */
1498 #define B_PROCESSING_EXPONENT 0x1
1499 #define B_NEGATIVE_EXPONENT 0x2
1500 #define B_EXPONENT_START 0x4
1501 #define B_INEXACT_ZEROS 0x8
1502 #define B_LEADING_ZERO 0x10
1503 #define B_PROCESSING_HEX 0x20
1504 #define B_PROCESSING_OCT 0x40
1506 /**********************************************************************
1507 * VarParseNumFromStr [OLEAUT32.46]
1509 * Parse a string containing a number into a NUMPARSE structure.
1512 * lpszStr [I] String to parse number from
1513 * lcid [I] Locale Id for the conversion
1514 * dwFlags [I] 0, or LOCALE_NOUSEROVERRIDE to use system default number chars
1515 * pNumprs [I/O] Destination for parsed number
1516 * rgbDig [O] Destination for digits read in
1519 * Success: S_OK. pNumprs and rgbDig contain the parsed representation of
1521 * Failure: E_INVALIDARG, if any parameter is invalid.
1522 * DISP_E_TYPEMISMATCH, if the string is not a number or is formatted
1524 * DISP_E_OVERFLOW, if rgbDig is too small to hold the number.
1527 * pNumprs must have the following fields set:
1528 * cDig: Set to the size of rgbDig.
1529 * dwInFlags: Set to the allowable syntax of the number using NUMPRS_ flags
1533 * - I am unsure if this function should parse non-arabic (e.g. Thai)
1534 * numerals, so this has not been implemented.
1536 HRESULT WINAPI VarParseNumFromStr(OLECHAR *lpszStr, LCID lcid, ULONG dwFlags,
1537 NUMPARSE *pNumprs, BYTE *rgbDig)
1539 VARIANT_NUMBER_CHARS chars;
1541 DWORD dwState = B_EXPONENT_START|B_INEXACT_ZEROS;
1542 int iMaxDigits = sizeof(rgbTmp) / sizeof(BYTE);
1545 TRACE("(%s,%ld,0x%08lx,%p,%p)\n", debugstr_w(lpszStr), lcid, dwFlags, pNumprs, rgbDig);
1547 if (!pNumprs || !rgbDig)
1548 return E_INVALIDARG;
1550 if (pNumprs->cDig < iMaxDigits)
1551 iMaxDigits = pNumprs->cDig;
1554 pNumprs->dwOutFlags = 0;
1555 pNumprs->cchUsed = 0;
1556 pNumprs->nBaseShift = 0;
1557 pNumprs->nPwr10 = 0;
1560 return DISP_E_TYPEMISMATCH;
1562 VARIANT_GetLocalisedNumberChars(&chars, lcid, dwFlags);
1564 /* First consume all the leading symbols and space from the string */
1567 if (pNumprs->dwInFlags & NUMPRS_LEADING_WHITE && isspaceW(*lpszStr))
1569 pNumprs->dwOutFlags |= NUMPRS_LEADING_WHITE;
1574 } while (isspaceW(*lpszStr));
1576 else if (pNumprs->dwInFlags & NUMPRS_LEADING_PLUS &&
1577 *lpszStr == chars.cPositiveSymbol &&
1578 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS))
1580 pNumprs->dwOutFlags |= NUMPRS_LEADING_PLUS;
1584 else if (pNumprs->dwInFlags & NUMPRS_LEADING_MINUS &&
1585 *lpszStr == chars.cNegativeSymbol &&
1586 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS))
1588 pNumprs->dwOutFlags |= (NUMPRS_LEADING_MINUS|NUMPRS_NEG);
1592 else if (pNumprs->dwInFlags & NUMPRS_CURRENCY &&
1593 !(pNumprs->dwOutFlags & NUMPRS_CURRENCY) &&
1594 *lpszStr == chars.cCurrencyLocal &&
1595 (!chars.cCurrencyLocal2 || lpszStr[1] == chars.cCurrencyLocal2))
1597 pNumprs->dwOutFlags |= NUMPRS_CURRENCY;
1600 /* Only accept currency characters */
1601 chars.cDecimalPoint = chars.cCurrencyDecimalPoint;
1602 chars.cDigitSeperator = chars.cCurrencyDigitSeperator;
1604 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == '(' &&
1605 !(pNumprs->dwOutFlags & NUMPRS_PARENS))
1607 pNumprs->dwOutFlags |= NUMPRS_PARENS;
1615 if (!(pNumprs->dwOutFlags & NUMPRS_CURRENCY))
1617 /* Only accept non-currency characters */
1618 chars.cCurrencyDecimalPoint = chars.cDecimalPoint;
1619 chars.cCurrencyDigitSeperator = chars.cDigitSeperator;
1622 if ((*lpszStr == '&' && (*(lpszStr+1) == 'H' || *(lpszStr+1) == 'h')) &&
1623 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1625 dwState |= B_PROCESSING_HEX;
1626 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1630 else if ((*lpszStr == '&' && (*(lpszStr+1) == 'O' || *(lpszStr+1) == 'o')) &&
1631 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1633 dwState |= B_PROCESSING_OCT;
1634 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1639 /* Strip Leading zeros */
1640 while (*lpszStr == '0')
1642 dwState |= B_LEADING_ZERO;
1649 if (isdigitW(*lpszStr))
1651 if (dwState & B_PROCESSING_EXPONENT)
1653 int exponentSize = 0;
1654 if (dwState & B_EXPONENT_START)
1656 if (!isdigitW(*lpszStr))
1657 break; /* No exponent digits - invalid */
1658 while (*lpszStr == '0')
1660 /* Skip leading zero's in the exponent */
1666 while (isdigitW(*lpszStr))
1669 exponentSize += *lpszStr - '0';
1673 if (dwState & B_NEGATIVE_EXPONENT)
1674 exponentSize = -exponentSize;
1675 /* Add the exponent into the powers of 10 */
1676 pNumprs->nPwr10 += exponentSize;
1677 dwState &= ~(B_PROCESSING_EXPONENT|B_EXPONENT_START);
1678 lpszStr--; /* back up to allow processing of next char */
1682 if ((pNumprs->cDig >= iMaxDigits) && !(dwState & B_PROCESSING_HEX)
1683 && !(dwState & B_PROCESSING_OCT))
1685 pNumprs->dwOutFlags |= NUMPRS_INEXACT;
1687 if (*lpszStr != '0')
1688 dwState &= ~B_INEXACT_ZEROS; /* Inexact number with non-trailing zeros */
1690 /* This digit can't be represented, but count it in nPwr10 */
1691 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1698 if ((dwState & B_PROCESSING_OCT) && ((*lpszStr == '8') || (*lpszStr == '9'))) {
1699 return DISP_E_TYPEMISMATCH;
1702 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1703 pNumprs->nPwr10--; /* Count decimal points in nPwr10 */
1705 rgbTmp[pNumprs->cDig] = *lpszStr - '0';
1711 else if (*lpszStr == chars.cDigitSeperator && pNumprs->dwInFlags & NUMPRS_THOUSANDS)
1713 pNumprs->dwOutFlags |= NUMPRS_THOUSANDS;
1716 else if (*lpszStr == chars.cDecimalPoint &&
1717 pNumprs->dwInFlags & NUMPRS_DECIMAL &&
1718 !(pNumprs->dwOutFlags & (NUMPRS_DECIMAL|NUMPRS_EXPONENT)))
1720 pNumprs->dwOutFlags |= NUMPRS_DECIMAL;
1723 /* If we have no digits so far, skip leading zeros */
1726 while (lpszStr[1] == '0')
1728 dwState |= B_LEADING_ZERO;
1735 else if ((*lpszStr == 'e' || *lpszStr == 'E') &&
1736 pNumprs->dwInFlags & NUMPRS_EXPONENT &&
1737 !(pNumprs->dwOutFlags & NUMPRS_EXPONENT))
1739 dwState |= B_PROCESSING_EXPONENT;
1740 pNumprs->dwOutFlags |= NUMPRS_EXPONENT;
1743 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cPositiveSymbol)
1745 cchUsed++; /* Ignore positive exponent */
1747 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cNegativeSymbol)
1749 dwState |= B_NEGATIVE_EXPONENT;
1752 else if (((*lpszStr >= 'a' && *lpszStr <= 'f') ||
1753 (*lpszStr >= 'A' && *lpszStr <= 'F')) &&
1754 dwState & B_PROCESSING_HEX)
1756 if (pNumprs->cDig >= iMaxDigits)
1758 return DISP_E_OVERFLOW;
1762 if (*lpszStr >= 'a')
1763 rgbTmp[pNumprs->cDig] = *lpszStr - 'a' + 10;
1765 rgbTmp[pNumprs->cDig] = *lpszStr - 'A' + 10;
1771 break; /* Stop at an unrecognised character */
1776 if (!pNumprs->cDig && dwState & B_LEADING_ZERO)
1778 /* Ensure a 0 on its own gets stored */
1783 if (pNumprs->dwOutFlags & NUMPRS_EXPONENT && dwState & B_PROCESSING_EXPONENT)
1785 pNumprs->cchUsed = cchUsed;
1786 return DISP_E_TYPEMISMATCH; /* Failed to completely parse the exponent */
1789 if (pNumprs->dwOutFlags & NUMPRS_INEXACT)
1791 if (dwState & B_INEXACT_ZEROS)
1792 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* All zeros doesn't set NUMPRS_INEXACT */
1793 } else if(pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1795 /* copy all of the digits into the output digit buffer */
1796 /* this is exactly what windows does although it also returns */
1797 /* cDig of X and writes X+Y where Y>=0 number of digits to rgbDig */
1798 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1800 if (dwState & B_PROCESSING_HEX) {
1801 /* hex numbers have always the same format */
1803 pNumprs->nBaseShift=4;
1805 if (dwState & B_PROCESSING_OCT) {
1806 /* oct numbers have always the same format */
1808 pNumprs->nBaseShift=3;
1810 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1819 /* Remove trailing zeros from the last (whole number or decimal) part */
1820 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1827 if (pNumprs->cDig <= iMaxDigits)
1828 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* Ignore stripped zeros for NUMPRS_INEXACT */
1830 pNumprs->cDig = iMaxDigits; /* Only return iMaxDigits worth of digits */
1832 /* Copy the digits we processed into rgbDig */
1833 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1835 /* Consume any trailing symbols and space */
1838 if ((pNumprs->dwInFlags & NUMPRS_TRAILING_WHITE) && isspaceW(*lpszStr))
1840 pNumprs->dwOutFlags |= NUMPRS_TRAILING_WHITE;
1845 } while (isspaceW(*lpszStr));
1847 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_PLUS &&
1848 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS) &&
1849 *lpszStr == chars.cPositiveSymbol)
1851 pNumprs->dwOutFlags |= NUMPRS_TRAILING_PLUS;
1855 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_MINUS &&
1856 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS) &&
1857 *lpszStr == chars.cNegativeSymbol)
1859 pNumprs->dwOutFlags |= (NUMPRS_TRAILING_MINUS|NUMPRS_NEG);
1863 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == ')' &&
1864 pNumprs->dwOutFlags & NUMPRS_PARENS)
1868 pNumprs->dwOutFlags |= NUMPRS_NEG;
1874 if (pNumprs->dwOutFlags & NUMPRS_PARENS && !(pNumprs->dwOutFlags & NUMPRS_NEG))
1876 pNumprs->cchUsed = cchUsed;
1877 return DISP_E_TYPEMISMATCH; /* Opening parenthesis not matched */
1880 if (pNumprs->dwInFlags & NUMPRS_USE_ALL && *lpszStr != '\0')
1881 return DISP_E_TYPEMISMATCH; /* Not all chars were consumed */
1884 return DISP_E_TYPEMISMATCH; /* No Number found */
1886 pNumprs->cchUsed = cchUsed;
1890 /* VTBIT flags indicating an integer value */
1891 #define INTEGER_VTBITS (VTBIT_I1|VTBIT_UI1|VTBIT_I2|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_I8|VTBIT_UI8)
1892 /* VTBIT flags indicating a real number value */
1893 #define REAL_VTBITS (VTBIT_R4|VTBIT_R8|VTBIT_CY)
1895 /* Helper macros to check whether bit pattern fits in VARIANT (x is a ULONG64 ) */
1896 #define FITS_AS_I1(x) ((x) >> 8 == 0)
1897 #define FITS_AS_I2(x) ((x) >> 16 == 0)
1898 #define FITS_AS_I4(x) ((x) >> 32 == 0)
1900 /**********************************************************************
1901 * VarNumFromParseNum [OLEAUT32.47]
1903 * Convert a NUMPARSE structure into a numeric Variant type.
1906 * pNumprs [I] Source for parsed number. cDig must be set to the size of rgbDig
1907 * rgbDig [I] Source for the numbers digits
1908 * dwVtBits [I] VTBIT_ flags from "oleauto.h" indicating the acceptable dest types
1909 * pVarDst [O] Destination for the converted Variant value.
1912 * Success: S_OK. pVarDst contains the converted value.
1913 * Failure: E_INVALIDARG, if any parameter is invalid.
1914 * DISP_E_OVERFLOW, if the number is too big for the types set in dwVtBits.
1917 * - The smallest favoured type present in dwVtBits that can represent the
1918 * number in pNumprs without losing precision is used.
1919 * - Signed types are preferrred over unsigned types of the same size.
1920 * - Preferred types in order are: integer, float, double, currency then decimal.
1921 * - Rounding (dropping of decimal points) occurs without error. See VarI8FromR8()
1922 * for details of the rounding method.
1923 * - pVarDst is not cleared before the result is stored in it.
1924 * - WinXP and Win2003 support VTBIT_I8, VTBIT_UI8 but that's buggy (by
1925 * design?): If some other VTBIT's for integers are specified together
1926 * with VTBIT_I8 and the number will fit only in a VT_I8 Windows will "cast"
1927 * the number to the smallest requested integer truncating this way the
1928 * number. Wine dosn't implement this "feature" (yet?).
1930 HRESULT WINAPI VarNumFromParseNum(NUMPARSE *pNumprs, BYTE *rgbDig,
1931 ULONG dwVtBits, VARIANT *pVarDst)
1933 /* Scale factors and limits for double arithmetic */
1934 static const double dblMultipliers[11] = {
1935 1.0, 10.0, 100.0, 1000.0, 10000.0, 100000.0,
1936 1000000.0, 10000000.0, 100000000.0, 1000000000.0, 10000000000.0
1938 static const double dblMinimums[11] = {
1939 R8_MIN, R8_MIN*10.0, R8_MIN*100.0, R8_MIN*1000.0, R8_MIN*10000.0,
1940 R8_MIN*100000.0, R8_MIN*1000000.0, R8_MIN*10000000.0,
1941 R8_MIN*100000000.0, R8_MIN*1000000000.0, R8_MIN*10000000000.0
1943 static const double dblMaximums[11] = {
1944 R8_MAX, R8_MAX/10.0, R8_MAX/100.0, R8_MAX/1000.0, R8_MAX/10000.0,
1945 R8_MAX/100000.0, R8_MAX/1000000.0, R8_MAX/10000000.0,
1946 R8_MAX/100000000.0, R8_MAX/1000000000.0, R8_MAX/10000000000.0
1949 int wholeNumberDigits, fractionalDigits, divisor10 = 0, multiplier10 = 0;
1951 TRACE("(%p,%p,0x%lx,%p)\n", pNumprs, rgbDig, dwVtBits, pVarDst);
1953 if (pNumprs->nBaseShift)
1955 /* nBaseShift indicates a hex or octal number */
1960 /* Convert the hex or octal number string into a UI64 */
1961 for (i = 0; i < pNumprs->cDig; i++)
1963 if (ul64 > ((UI8_MAX>>pNumprs->nBaseShift) - rgbDig[i]))
1965 TRACE("Overflow multiplying digits\n");
1966 return DISP_E_OVERFLOW;
1968 ul64 = (ul64<<pNumprs->nBaseShift) + rgbDig[i];
1971 /* also make a negative representation */
1974 /* Try signed and unsigned types in size order */
1975 if (dwVtBits & VTBIT_I1 && FITS_AS_I1(ul64))
1977 V_VT(pVarDst) = VT_I1;
1978 V_I1(pVarDst) = ul64;
1981 else if (dwVtBits & VTBIT_UI1 && FITS_AS_I1(ul64))
1983 V_VT(pVarDst) = VT_UI1;
1984 V_UI1(pVarDst) = ul64;
1987 else if (dwVtBits & VTBIT_I2 && FITS_AS_I2(ul64))
1989 V_VT(pVarDst) = VT_I2;
1990 V_I2(pVarDst) = ul64;
1993 else if (dwVtBits & VTBIT_UI2 && FITS_AS_I2(ul64))
1995 V_VT(pVarDst) = VT_UI2;
1996 V_UI2(pVarDst) = ul64;
1999 else if (dwVtBits & VTBIT_I4 && FITS_AS_I4(ul64))
2001 V_VT(pVarDst) = VT_I4;
2002 V_I4(pVarDst) = ul64;
2005 else if (dwVtBits & VTBIT_UI4 && FITS_AS_I4(ul64))
2007 V_VT(pVarDst) = VT_UI4;
2008 V_UI4(pVarDst) = ul64;
2011 else if (dwVtBits & VTBIT_I8 && ((ul64 <= I8_MAX)||(l64>=I8_MIN)))
2013 V_VT(pVarDst) = VT_I8;
2014 V_I8(pVarDst) = ul64;
2017 else if (dwVtBits & VTBIT_UI8)
2019 V_VT(pVarDst) = VT_UI8;
2020 V_UI8(pVarDst) = ul64;
2023 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2025 V_VT(pVarDst) = VT_DECIMAL;
2026 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2027 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2028 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2031 else if (dwVtBits & VTBIT_R4 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2033 V_VT(pVarDst) = VT_R4;
2035 V_R4(pVarDst) = ul64;
2037 V_R4(pVarDst) = l64;
2040 else if (dwVtBits & VTBIT_R8 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2042 V_VT(pVarDst) = VT_R8;
2044 V_R8(pVarDst) = ul64;
2046 V_R8(pVarDst) = l64;
2050 TRACE("Overflow: possible return types: 0x%lx, value: %s\n", dwVtBits, wine_dbgstr_longlong(ul64));
2051 return DISP_E_OVERFLOW;
2054 /* Count the number of relevant fractional and whole digits stored,
2055 * And compute the divisor/multiplier to scale the number by.
2057 if (pNumprs->nPwr10 < 0)
2059 if (-pNumprs->nPwr10 >= pNumprs->cDig)
2061 /* A real number < +/- 1.0 e.g. 0.1024 or 0.01024 */
2062 wholeNumberDigits = 0;
2063 fractionalDigits = pNumprs->cDig;
2064 divisor10 = -pNumprs->nPwr10;
2068 /* An exactly represented real number e.g. 1.024 */
2069 wholeNumberDigits = pNumprs->cDig + pNumprs->nPwr10;
2070 fractionalDigits = pNumprs->cDig - wholeNumberDigits;
2071 divisor10 = pNumprs->cDig - wholeNumberDigits;
2074 else if (pNumprs->nPwr10 == 0)
2076 /* An exactly represented whole number e.g. 1024 */
2077 wholeNumberDigits = pNumprs->cDig;
2078 fractionalDigits = 0;
2080 else /* pNumprs->nPwr10 > 0 */
2082 /* A whole number followed by nPwr10 0's e.g. 102400 */
2083 wholeNumberDigits = pNumprs->cDig;
2084 fractionalDigits = 0;
2085 multiplier10 = pNumprs->nPwr10;
2088 TRACE("cDig %d; nPwr10 %d, whole %d, frac %d ", pNumprs->cDig,
2089 pNumprs->nPwr10, wholeNumberDigits, fractionalDigits);
2090 TRACE("mult %d; div %d\n", multiplier10, divisor10);
2092 if (dwVtBits & (INTEGER_VTBITS|VTBIT_DECIMAL) &&
2093 (!fractionalDigits || !(dwVtBits & (REAL_VTBITS|VTBIT_CY|VTBIT_DECIMAL))))
2095 /* We have one or more integer output choices, and either:
2096 * 1) An integer input value, or
2097 * 2) A real number input value but no floating output choices.
2098 * Alternately, we have a DECIMAL output available and an integer input.
2100 * So, place the integer value into pVarDst, using the smallest type
2101 * possible and preferring signed over unsigned types.
2103 BOOL bOverflow = FALSE, bNegative;
2107 /* Convert the integer part of the number into a UI8 */
2108 for (i = 0; i < wholeNumberDigits; i++)
2110 if (ul64 > (UI8_MAX / 10 - rgbDig[i]))
2112 TRACE("Overflow multiplying digits\n");
2116 ul64 = ul64 * 10 + rgbDig[i];
2119 /* Account for the scale of the number */
2120 if (!bOverflow && multiplier10)
2122 for (i = 0; i < multiplier10; i++)
2124 if (ul64 > (UI8_MAX / 10))
2126 TRACE("Overflow scaling number\n");
2134 /* If we have any fractional digits, round the value.
2135 * Note we don't have to do this if divisor10 is < 1,
2136 * because this means the fractional part must be < 0.5
2138 if (!bOverflow && fractionalDigits && divisor10 > 0)
2140 const BYTE* fracDig = rgbDig + wholeNumberDigits;
2141 BOOL bAdjust = FALSE;
2143 TRACE("first decimal value is %d\n", *fracDig);
2146 bAdjust = TRUE; /* > 0.5 */
2147 else if (*fracDig == 5)
2149 for (i = 1; i < fractionalDigits; i++)
2153 bAdjust = TRUE; /* > 0.5 */
2157 /* If exactly 0.5, round only odd values */
2158 if (i == fractionalDigits && (ul64 & 1))
2164 if (ul64 == UI8_MAX)
2166 TRACE("Overflow after rounding\n");
2173 /* Zero is not a negative number */
2174 bNegative = pNumprs->dwOutFlags & NUMPRS_NEG && ul64 ? TRUE : FALSE;
2176 TRACE("Integer value is %lld, bNeg %d\n", ul64, bNegative);
2178 /* For negative integers, try the signed types in size order */
2179 if (!bOverflow && bNegative)
2181 if (dwVtBits & (VTBIT_I1|VTBIT_I2|VTBIT_I4|VTBIT_I8))
2183 if (dwVtBits & VTBIT_I1 && ul64 <= -I1_MIN)
2185 V_VT(pVarDst) = VT_I1;
2186 V_I1(pVarDst) = -ul64;
2189 else if (dwVtBits & VTBIT_I2 && ul64 <= -I2_MIN)
2191 V_VT(pVarDst) = VT_I2;
2192 V_I2(pVarDst) = -ul64;
2195 else if (dwVtBits & VTBIT_I4 && ul64 <= -((LONGLONG)I4_MIN))
2197 V_VT(pVarDst) = VT_I4;
2198 V_I4(pVarDst) = -ul64;
2201 else if (dwVtBits & VTBIT_I8 && ul64 <= (ULONGLONG)I8_MAX + 1)
2203 V_VT(pVarDst) = VT_I8;
2204 V_I8(pVarDst) = -ul64;
2207 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2209 /* Decimal is only output choice left - fast path */
2210 V_VT(pVarDst) = VT_DECIMAL;
2211 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_NEG,0);
2212 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2213 DEC_LO64(&V_DECIMAL(pVarDst)) = -ul64;
2218 else if (!bOverflow)
2220 /* For positive integers, try signed then unsigned types in size order */
2221 if (dwVtBits & VTBIT_I1 && ul64 <= I1_MAX)
2223 V_VT(pVarDst) = VT_I1;
2224 V_I1(pVarDst) = ul64;
2227 else if (dwVtBits & VTBIT_UI1 && ul64 <= UI1_MAX)
2229 V_VT(pVarDst) = VT_UI1;
2230 V_UI1(pVarDst) = ul64;
2233 else if (dwVtBits & VTBIT_I2 && ul64 <= I2_MAX)
2235 V_VT(pVarDst) = VT_I2;
2236 V_I2(pVarDst) = ul64;
2239 else if (dwVtBits & VTBIT_UI2 && ul64 <= UI2_MAX)
2241 V_VT(pVarDst) = VT_UI2;
2242 V_UI2(pVarDst) = ul64;
2245 else if (dwVtBits & VTBIT_I4 && ul64 <= I4_MAX)
2247 V_VT(pVarDst) = VT_I4;
2248 V_I4(pVarDst) = ul64;
2251 else if (dwVtBits & VTBIT_UI4 && ul64 <= UI4_MAX)
2253 V_VT(pVarDst) = VT_UI4;
2254 V_UI4(pVarDst) = ul64;
2257 else if (dwVtBits & VTBIT_I8 && ul64 <= I8_MAX)
2259 V_VT(pVarDst) = VT_I8;
2260 V_I8(pVarDst) = ul64;
2263 else if (dwVtBits & VTBIT_UI8)
2265 V_VT(pVarDst) = VT_UI8;
2266 V_UI8(pVarDst) = ul64;
2269 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2271 /* Decimal is only output choice left - fast path */
2272 V_VT(pVarDst) = VT_DECIMAL;
2273 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2274 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2275 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2281 if (dwVtBits & REAL_VTBITS)
2283 /* Try to put the number into a float or real */
2284 BOOL bOverflow = FALSE, bNegative = pNumprs->dwOutFlags & NUMPRS_NEG;
2288 /* Convert the number into a double */
2289 for (i = 0; i < pNumprs->cDig; i++)
2290 whole = whole * 10.0 + rgbDig[i];
2292 TRACE("Whole double value is %16.16g\n", whole);
2294 /* Account for the scale */
2295 while (multiplier10 > 10)
2297 if (whole > dblMaximums[10])
2299 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2303 whole = whole * dblMultipliers[10];
2308 if (whole > dblMaximums[multiplier10])
2310 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2314 whole = whole * dblMultipliers[multiplier10];
2317 TRACE("Scaled double value is %16.16g\n", whole);
2319 while (divisor10 > 10)
2321 if (whole < dblMinimums[10] && whole != 0)
2323 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2327 whole = whole / dblMultipliers[10];
2332 if (whole < dblMinimums[divisor10] && whole != 0)
2334 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2338 whole = whole / dblMultipliers[divisor10];
2341 TRACE("Final double value is %16.16g\n", whole);
2343 if (dwVtBits & VTBIT_R4 &&
2344 ((whole <= R4_MAX && whole >= R4_MIN) || whole == 0.0))
2346 TRACE("Set R4 to final value\n");
2347 V_VT(pVarDst) = VT_R4; /* Fits into a float */
2348 V_R4(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2352 if (dwVtBits & VTBIT_R8)
2354 TRACE("Set R8 to final value\n");
2355 V_VT(pVarDst) = VT_R8; /* Fits into a double */
2356 V_R8(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2360 if (dwVtBits & VTBIT_CY)
2362 if (SUCCEEDED(VarCyFromR8(bNegative ? -whole : whole, &V_CY(pVarDst))))
2364 V_VT(pVarDst) = VT_CY; /* Fits into a currency */
2365 TRACE("Set CY to final value\n");
2368 TRACE("Value Overflows CY\n");
2372 if (dwVtBits & VTBIT_DECIMAL)
2377 DECIMAL* pDec = &V_DECIMAL(pVarDst);
2379 DECIMAL_SETZERO(*pDec);
2382 if (pNumprs->dwOutFlags & NUMPRS_NEG)
2383 DEC_SIGN(pDec) = DECIMAL_NEG;
2385 DEC_SIGN(pDec) = DECIMAL_POS;
2387 /* Factor the significant digits */
2388 for (i = 0; i < pNumprs->cDig; i++)
2390 tmp = (ULONG64)DEC_LO32(pDec) * 10 + rgbDig[i];
2391 carry = (ULONG)(tmp >> 32);
2392 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2393 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2394 carry = (ULONG)(tmp >> 32);
2395 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2396 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2397 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2399 if (tmp >> 32 & UI4_MAX)
2401 VarNumFromParseNum_DecOverflow:
2402 TRACE("Overflow\n");
2403 DEC_LO32(pDec) = DEC_MID32(pDec) = DEC_HI32(pDec) = UI4_MAX;
2404 return DISP_E_OVERFLOW;
2408 /* Account for the scale of the number */
2409 while (multiplier10 > 0)
2411 tmp = (ULONG64)DEC_LO32(pDec) * 10;
2412 carry = (ULONG)(tmp >> 32);
2413 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2414 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2415 carry = (ULONG)(tmp >> 32);
2416 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2417 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2418 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2420 if (tmp >> 32 & UI4_MAX)
2421 goto VarNumFromParseNum_DecOverflow;
2424 DEC_SCALE(pDec) = divisor10;
2426 V_VT(pVarDst) = VT_DECIMAL;
2429 return DISP_E_OVERFLOW; /* No more output choices */
2432 /**********************************************************************
2433 * VarCat [OLEAUT32.318]
2435 * Concatenates one variant onto another.
2438 * left [I] First variant
2439 * right [I] Second variant
2440 * result [O] Result variant
2444 * Failure: An HRESULT error code indicating the error.
2446 HRESULT WINAPI VarCat(LPVARIANT left, LPVARIANT right, LPVARIANT out)
2448 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2449 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), out);
2451 /* Should we VariantClear out? */
2452 /* Can we handle array, vector, by ref etc. */
2453 if ((V_VT(left)&VT_TYPEMASK) == VT_NULL &&
2454 (V_VT(right)&VT_TYPEMASK) == VT_NULL)
2456 V_VT(out) = VT_NULL;
2460 if (V_VT(left) == VT_BSTR && V_VT(right) == VT_BSTR)
2462 V_VT(out) = VT_BSTR;
2463 VarBstrCat (V_BSTR(left), V_BSTR(right), &V_BSTR(out));
2466 if (V_VT(left) == VT_BSTR) {
2470 V_VT(out) = VT_BSTR;
2471 VariantInit(&bstrvar);
2472 hres = VariantChangeTypeEx(&bstrvar,right,0,0,VT_BSTR);
2474 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
2477 VarBstrCat (V_BSTR(left), V_BSTR(&bstrvar), &V_BSTR(out));
2480 if (V_VT(right) == VT_BSTR) {
2484 V_VT(out) = VT_BSTR;
2485 VariantInit(&bstrvar);
2486 hres = VariantChangeTypeEx(&bstrvar,left,0,0,VT_BSTR);
2488 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
2491 VarBstrCat (V_BSTR(&bstrvar), V_BSTR(right), &V_BSTR(out));
2494 FIXME ("types %d / %d not supported\n",V_VT(left)&VT_TYPEMASK, V_VT(right)&VT_TYPEMASK);
2498 /* Wrapper around VariantChangeTypeEx() which permits changing a
2499 variant with VT_RESERVED flag set. Needed by VarCmp. */
2500 static HRESULT _VarChangeTypeExWrap (VARIANTARG* pvargDest,
2501 VARIANTARG* pvargSrc, LCID lcid, USHORT wFlags, VARTYPE vt)
2506 flags = V_VT(pvargSrc) & ~VT_TYPEMASK;
2507 V_VT(pvargSrc) &= ~VT_RESERVED;
2508 res = VariantChangeTypeEx(pvargDest,pvargSrc,lcid,wFlags,vt);
2509 V_VT(pvargSrc) |= flags;
2514 /**********************************************************************
2515 * VarCmp [OLEAUT32.176]
2517 * Compare two variants.
2520 * left [I] First variant
2521 * right [I] Second variant
2522 * lcid [I] LCID (locale identifier) for the comparison
2523 * flags [I] Flags to be used in the comparision:
2524 * NORM_IGNORECASE, NORM_IGNORENONSPACE, NORM_IGNORESYMBOLS,
2525 * NORM_IGNOREWIDTH, NORM_IGNOREKANATYPE, NORM_IGNOREKASHIDA
2528 * VARCMP_LT: left variant is less than right variant.
2529 * VARCMP_EQ: input variants are equal.
2530 * VARCMP_LT: left variant is greater than right variant.
2531 * VARCMP_NULL: either one of the input variants is NULL.
2532 * Failure: An HRESULT error code indicating the error.
2535 * Native VarCmp up to and including WinXP dosn't like as input variants
2536 * I1, UI2, VT_UI4, UI8 and UINT. INT is accepted only as left variant.
2538 * If both input variants are ERROR then VARCMP_EQ will be returned, else
2539 * an ERROR variant will trigger an error.
2541 * Both input variants can have VT_RESERVED flag set which is ignored
2542 * unless one and only one of the variants is a BSTR and the other one
2543 * is not an EMPTY variant. All four VT_RESERVED combinations have a
2544 * different meaning:
2545 * - BSTR and other: BSTR is always greater than the other variant.
2546 * - BSTR|VT_RESERVED and other: a string comparision is performed.
2547 * - BSTR and other|VT_RESERVED: If the BSTR is a number a numeric
2548 * comparision will take place else the BSTR is always greater.
2549 * - BSTR|VT_RESERVED and other|VT_RESERVED: It seems that the other
2550 * variant is ignored and the return value depends only on the sign
2551 * of the BSTR if it is a number else the BSTR is always greater. A
2552 * positive BSTR is greater, a negative one is smaller than the other
2556 * VarBstrCmp for the lcid and flags usage.
2558 HRESULT WINAPI VarCmp(LPVARIANT left, LPVARIANT right, LCID lcid, DWORD flags)
2560 VARTYPE lvt, rvt, vt;
2565 TRACE("(%p->(%s%s),%p->(%s%s),0x%08lx,0x%08lx)\n", left, debugstr_VT(left),
2566 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), lcid, flags);
2568 lvt = V_VT(left) & VT_TYPEMASK;
2569 rvt = V_VT(right) & VT_TYPEMASK;
2570 xmask = (1 << lvt) | (1 << rvt);
2572 /* If we have any flag set except VT_RESERVED bail out.
2573 Same for the left input variant type > VT_INT and for the
2574 right input variant type > VT_I8. Yes, VT_INT is only supported
2575 as left variant. Go figure */
2576 if (((V_VT(left) | V_VT(right)) & ~VT_TYPEMASK & ~VT_RESERVED) ||
2577 lvt > VT_INT || rvt > VT_I8) {
2578 return DISP_E_BADVARTYPE;
2581 /* Don't ask me why but native VarCmp cannot handle: VT_I1, VT_UI2, VT_UI4,
2582 VT_UINT and VT_UI8. Tested with DCOM98, Win2k, WinXP */
2583 if (rvt == VT_INT || xmask & (VTBIT_I1 | VTBIT_UI2 | VTBIT_UI4 | VTBIT_UI8 |
2584 VTBIT_DISPATCH | VTBIT_VARIANT | VTBIT_UNKNOWN | VTBIT_15))
2585 return DISP_E_TYPEMISMATCH;
2587 /* If both variants are VT_ERROR return VARCMP_EQ */
2588 if (xmask == VTBIT_ERROR)
2590 else if (xmask & VTBIT_ERROR)
2591 return DISP_E_TYPEMISMATCH;
2593 if (xmask & VTBIT_NULL)
2599 /* Two BSTRs, ignore VT_RESERVED */
2600 if (xmask == VTBIT_BSTR)
2601 return VarBstrCmp(V_BSTR(left), V_BSTR(right), lcid, flags);
2603 /* A BSTR and an other variant; we have to take care of VT_RESERVED */
2604 if (xmask & VTBIT_BSTR) {
2605 VARIANT *bstrv, *nonbv;
2609 /* Swap the variants so the BSTR is always on the left */
2610 if (lvt == VT_BSTR) {
2621 /* BSTR and EMPTY: ignore VT_RESERVED */
2622 if (nonbvt == VT_EMPTY)
2623 rc = (!V_BSTR(bstrv) || !*V_BSTR(bstrv)) ? VARCMP_EQ : VARCMP_GT;
2625 VARTYPE breserv = V_VT(bstrv) & ~VT_TYPEMASK;
2626 VARTYPE nreserv = V_VT(nonbv) & ~VT_TYPEMASK;
2628 if (!breserv && !nreserv)
2629 /* No VT_RESERVED set ==> BSTR always greater */
2631 else if (breserv && !nreserv) {
2632 /* BSTR has VT_RESERVED set. Do a string comparision */
2633 rc = VariantChangeTypeEx(&rv,nonbv,lcid,0,VT_BSTR);
2636 rc = VarBstrCmp(V_BSTR(bstrv), V_BSTR(&rv), lcid, flags);
2637 } else if (V_BSTR(bstrv) && *V_BSTR(bstrv)) {
2638 /* Non NULL nor empty BSTR */
2639 /* If the BSTR is not a number the BSTR is greater */
2640 rc = _VarChangeTypeExWrap(&lv,bstrv,lcid,0,VT_R8);
2643 else if (breserv && nreserv)
2644 /* FIXME: This is strange: with both VT_RESERVED set it
2645 looks like the result depends only on the sign of
2647 rc = (V_R8(&lv) >= 0) ? VARCMP_GT : VARCMP_LT;
2649 /* Numeric comparision, will be handled below.
2650 VARCMP_NULL used only to break out. */
2655 /* Empty or NULL BSTR */
2658 /* Fixup the return code if we swapped left and right */
2660 if (rc == VARCMP_GT)
2662 else if (rc == VARCMP_LT)
2665 if (rc != VARCMP_NULL)
2669 if (xmask & VTBIT_DECIMAL)
2671 else if (xmask & VTBIT_BSTR)
2673 else if (xmask & VTBIT_R4)
2675 else if (xmask & (VTBIT_R8 | VTBIT_DATE))
2677 else if (xmask & VTBIT_CY)
2683 /* Coerce the variants */
2684 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2685 if (rc == DISP_E_OVERFLOW && vt != VT_R8) {
2686 /* Overflow, change to R8 */
2688 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2692 rc = _VarChangeTypeExWrap(&rv,right,lcid,0,vt);
2693 if (rc == DISP_E_OVERFLOW && vt != VT_R8) {
2694 /* Overflow, change to R8 */
2696 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2699 rc = _VarChangeTypeExWrap(&rv,right,lcid,0,vt);
2704 #define _VARCMP(a,b) \
2705 (((a) == (b)) ? VARCMP_EQ : (((a) < (b)) ? VARCMP_LT : VARCMP_GT))
2709 return VarCyCmp(V_CY(&lv), V_CY(&rv));
2711 return VarDecCmp(&V_DECIMAL(&lv), &V_DECIMAL(&rv));
2713 return _VARCMP(V_I8(&lv), V_I8(&rv));
2715 return _VARCMP(V_R4(&lv), V_R4(&rv));
2717 return _VARCMP(V_R8(&lv), V_R8(&rv));
2719 /* We should never get here */
2725 /**********************************************************************
2726 * VarAnd [OLEAUT32.142]
2728 * Computes the logical AND of two variants.
2731 * left [I] First variant
2732 * right [I] Second variant
2733 * result [O] Result variant
2737 * Failure: An HRESULT error code indicating the error.
2739 HRESULT WINAPI VarAnd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2741 HRESULT rc = E_FAIL;
2743 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2744 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
2746 if ((V_VT(left)&VT_TYPEMASK) == VT_BOOL &&
2747 (V_VT(right)&VT_TYPEMASK) == VT_BOOL) {
2749 V_VT(result) = VT_BOOL;
2750 if (V_BOOL(left) && V_BOOL(right)) {
2751 V_BOOL(result) = VARIANT_TRUE;
2753 V_BOOL(result) = VARIANT_FALSE;
2764 int resT = 0; /* Testing has shown I2 & I2 == I2, all else
2765 becomes I4, even unsigned ints (incl. UI2) */
2768 switch (V_VT(left)&VT_TYPEMASK) {
2769 case VT_I1 : lVal = V_I1(left); resT=VT_I4; break;
2770 case VT_I2 : lVal = V_I2(left); resT=VT_I2; break;
2772 case VT_INT : lVal = V_I4(left); resT=VT_I4; break;
2773 case VT_UI1 : lVal = V_UI1(left); resT=VT_I4; break;
2774 case VT_UI2 : lVal = V_UI2(left); resT=VT_I4; break;
2776 case VT_UINT : lVal = V_UI4(left); resT=VT_I4; break;
2777 case VT_BOOL : rVal = V_BOOL(left); resT=VT_I4; break;
2778 default: lOk = FALSE;
2782 switch (V_VT(right)&VT_TYPEMASK) {
2783 case VT_I1 : rVal = V_I1(right); resT=VT_I4; break;
2784 case VT_I2 : rVal = V_I2(right); resT=max(VT_I2, resT); break;
2786 case VT_INT : rVal = V_I4(right); resT=VT_I4; break;
2787 case VT_UI1 : rVal = V_UI1(right); resT=VT_I4; break;
2788 case VT_UI2 : rVal = V_UI2(right); resT=VT_I4; break;
2790 case VT_UINT : rVal = V_UI4(right); resT=VT_I4; break;
2791 case VT_BOOL : rVal = V_BOOL(right); resT=VT_I4; break;
2792 default: rOk = FALSE;
2796 res = (lVal & rVal);
2797 V_VT(result) = resT;
2799 case VT_I2 : V_I2(result) = res; break;
2800 case VT_I4 : V_I4(result) = res; break;
2802 FIXME("Unexpected result variant type %x\n", resT);
2808 FIXME("VarAnd stub\n");
2812 TRACE("returning 0x%8lx (%s%s),%ld\n", rc, debugstr_VT(result),
2813 debugstr_VF(result), V_VT(result) == VT_I4 ? V_I4(result) : V_I2(result));
2817 /**********************************************************************
2818 * VarAdd [OLEAUT32.141]
2823 * left [I] First variant
2824 * right [I] Second variant
2825 * result [O] Result variant
2829 * Failure: An HRESULT error code indicating the error.
2832 * Native VarAdd up to and including WinXP dosn't like as input variants
2833 * I1, UI2, UI4, UI8, INT and UINT.
2835 * Native VarAdd dosn't check for NULL in/out pointers and crashes. We do the
2839 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
2842 HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2845 VARTYPE lvt, rvt, resvt, tvt;
2849 /* Variant priority for coercion. Sorted from lowest to highest.
2850 VT_ERROR shows an invalid input variant type. */
2851 enum coerceprio { vt_EMPTY, vt_UI1, vt_I2, vt_I4, vt_I8, vt_BSTR,vt_R4,
2852 vt_R8, vt_CY, vt_DATE, vt_DECIMAL, vt_DISPATCH, vt_NULL,
2854 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
2855 VARTYPE prio2vt[] = { VT_EMPTY, VT_UI1, VT_I2, VT_I4, VT_I8, VT_BSTR, VT_R4,
2856 VT_R8, VT_CY, VT_DATE, VT_DECIMAL, VT_DISPATCH,
2857 VT_NULL, VT_ERROR };
2859 /* Mapping for coercion from input variant to priority of result variant. */
2860 static VARTYPE coerce[] = {
2861 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
2862 vt_EMPTY, vt_NULL, vt_I2, vt_I4, vt_R4,
2863 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
2864 vt_R8, vt_CY, vt_DATE, vt_BSTR, vt_DISPATCH,
2865 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
2866 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
2867 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
2868 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
2871 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2872 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
2878 lvt = V_VT(left)&VT_TYPEMASK;
2879 rvt = V_VT(right)&VT_TYPEMASK;
2881 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
2882 Same for any input variant type > VT_I8 */
2883 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
2884 lvt > VT_I8 || rvt > VT_I8) {
2885 hres = DISP_E_BADVARTYPE;
2889 /* Determine the variant type to coerce to. */
2890 if (coerce[lvt] > coerce[rvt]) {
2891 resvt = prio2vt[coerce[lvt]];
2892 tvt = prio2vt[coerce[rvt]];
2894 resvt = prio2vt[coerce[rvt]];
2895 tvt = prio2vt[coerce[lvt]];
2898 /* Special cases where the result variant type is defined by both
2899 input variants and not only that with the highest priority */
2900 if (resvt == VT_BSTR) {
2901 if (tvt == VT_EMPTY || tvt == VT_BSTR)
2906 if (resvt == VT_R4 && (tvt == VT_BSTR || tvt == VT_I8 || tvt == VT_I4))
2909 /* For overflow detection use the biggest compatible type for the
2913 hres = DISP_E_BADVARTYPE;
2917 V_VT(result) = VT_NULL;
2920 FIXME("cannot handle variant type VT_DISPATCH\n");
2921 hres = DISP_E_TYPEMISMATCH;
2940 /* Now coerce the variants */
2941 hres = VariantChangeType(&lv, left, 0, tvt);
2944 hres = VariantChangeType(&rv, right, 0, tvt);
2950 V_VT(result) = resvt;
2953 hres = VarDecAdd(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
2954 &V_DECIMAL(result));
2957 hres = VarCyAdd(V_CY(&lv), V_CY(&rv), &V_CY(result));
2960 /* We do not add those, we concatenate them. */
2961 hres = VarBstrCat(V_BSTR(&lv), V_BSTR(&rv), &V_BSTR(result));
2964 /* Overflow detection */
2965 r8res = (double)V_I8(&lv) + (double)V_I8(&rv);
2966 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
2967 V_VT(result) = VT_R8;
2968 V_R8(result) = r8res;
2972 V_I8(&tv) = V_I8(&lv) + V_I8(&rv);
2977 /* FIXME: overflow detection */
2978 V_R8(&tv) = V_R8(&lv) + V_R8(&rv);
2981 ERR("We shouldn't get here! tvt = %d!\n", tvt);
2985 if ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
2986 /* Overflow! Change to the vartype with the next higher priority.
2987 With one exception: I4 ==> R8 even if it would fit in I8 */
2991 resvt = prio2vt[coerce[resvt] + 1];
2992 hres = VariantChangeType(result, &tv, 0, resvt);
2995 hres = VariantCopy(result, &tv);
2999 V_VT(result) = VT_EMPTY;
3000 V_I4(result) = 0; /* No V_EMPTY */
3005 TRACE("returning 0x%8lx (variant type %s)\n", hres, debugstr_VT(result));
3009 /**********************************************************************
3010 * VarMul [OLEAUT32.156]
3012 * Multiply two variants.
3015 * left [I] First variant
3016 * right [I] Second variant
3017 * result [O] Result variant
3021 * Failure: An HRESULT error code indicating the error.
3024 * Native VarMul up to and including WinXP dosn't like as input variants
3025 * I1, UI2, UI4, UI8, INT and UINT. But it can multiply apples with oranges.
3027 * Native VarMul dosn't check for NULL in/out pointers and crashes. We do the
3031 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
3034 HRESULT WINAPI VarMul(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3037 VARTYPE lvt, rvt, resvt, tvt;
3041 /* Variant priority for coercion. Sorted from lowest to highest.
3042 VT_ERROR shows an invalid input variant type. */
3043 enum coerceprio { vt_UI1 = 0, vt_I2, vt_I4, vt_I8, vt_CY, vt_R4, vt_R8,
3044 vt_DECIMAL, vt_NULL, vt_ERROR };
3045 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
3046 VARTYPE prio2vt[] = { VT_UI1, VT_I2, VT_I4, VT_I8, VT_CY, VT_R4, VT_R8,
3047 VT_DECIMAL, VT_NULL, VT_ERROR };
3049 /* Mapping for coercion from input variant to priority of result variant. */
3050 static VARTYPE coerce[] = {
3051 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
3052 vt_UI1, vt_NULL, vt_I2, vt_I4, vt_R4,
3053 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
3054 vt_R8, vt_CY, vt_R8, vt_R8, vt_ERROR,
3055 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
3056 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
3057 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
3058 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
3061 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3062 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
3068 lvt = V_VT(left)&VT_TYPEMASK;
3069 rvt = V_VT(right)&VT_TYPEMASK;
3071 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
3072 Same for any input variant type > VT_I8 */
3073 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
3074 lvt > VT_I8 || rvt > VT_I8) {
3075 hres = DISP_E_BADVARTYPE;
3079 /* Determine the variant type to coerce to. */
3080 if (coerce[lvt] > coerce[rvt]) {
3081 resvt = prio2vt[coerce[lvt]];
3082 tvt = prio2vt[coerce[rvt]];
3084 resvt = prio2vt[coerce[rvt]];
3085 tvt = prio2vt[coerce[lvt]];
3088 /* Special cases where the result variant type is defined by both
3089 input variants and not only that with the highest priority */
3090 if (resvt == VT_R4 && (tvt == VT_CY || tvt == VT_I8 || tvt == VT_I4))
3092 if (lvt == VT_EMPTY && rvt == VT_EMPTY)
3095 /* For overflow detection use the biggest compatible type for the
3099 hres = DISP_E_BADVARTYPE;
3103 V_VT(result) = VT_NULL;
3118 /* Now coerce the variants */
3119 hres = VariantChangeType(&lv, left, 0, tvt);
3122 hres = VariantChangeType(&rv, right, 0, tvt);
3129 V_VT(result) = resvt;
3132 hres = VarDecMul(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
3133 &V_DECIMAL(result));
3136 hres = VarCyMul(V_CY(&lv), V_CY(&rv), &V_CY(result));
3139 /* Overflow detection */
3140 r8res = (double)V_I8(&lv) * (double)V_I8(&rv);
3141 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
3142 V_VT(result) = VT_R8;
3143 V_R8(result) = r8res;
3146 V_I8(&tv) = V_I8(&lv) * V_I8(&rv);
3149 /* FIXME: overflow detection */
3150 V_R8(&tv) = V_R8(&lv) * V_R8(&rv);
3153 ERR("We shouldn't get here! tvt = %d!\n", tvt);
3157 while ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
3158 /* Overflow! Change to the vartype with the next higher priority.
3159 With one exception: I4 ==> R8 even if it would fit in I8 */
3163 resvt = prio2vt[coerce[resvt] + 1];
3166 hres = VariantCopy(result, &tv);
3170 V_VT(result) = VT_EMPTY;
3171 V_I4(result) = 0; /* No V_EMPTY */
3176 TRACE("returning 0x%8lx (variant type %s)\n", hres, debugstr_VT(result));
3180 /**********************************************************************
3181 * VarDiv [OLEAUT32.143]
3183 * Divides one variant with another.
3186 * left [I] First variant
3187 * right [I] Second variant
3188 * result [O] Result variant
3192 * Failure: An HRESULT error code indicating the error.
3194 HRESULT WINAPI VarDiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3196 HRESULT rc = E_FAIL;
3197 VARTYPE lvt,rvt,resvt;
3201 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3202 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3204 VariantInit(&lv);VariantInit(&rv);
3205 lvt = V_VT(left)&VT_TYPEMASK;
3206 rvt = V_VT(right)&VT_TYPEMASK;
3207 found = FALSE;resvt = VT_VOID;
3208 if (((1<<lvt) | (1<<rvt)) & (VTBIT_R4|VTBIT_R8|VTBIT_CY)) {
3212 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_DECIMAL))) {
3216 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_I1|VTBIT_I2|VTBIT_UI1|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_INT|VTBIT_UINT))) {
3221 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
3224 rc = VariantChangeType(&lv, left, 0, resvt);
3226 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
3229 rc = VariantChangeType(&rv, right, 0, resvt);
3231 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
3236 if (V_R8(&rv) == 0) return DISP_E_DIVBYZERO;
3237 V_VT(result) = resvt;
3238 V_R8(result) = V_R8(&lv) / V_R8(&rv);
3242 rc = VarDecDiv(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
3243 V_VT(result) = resvt;
3246 if (V_I4(&rv) == 0) return DISP_E_DIVBYZERO;
3247 V_VT(result) = resvt;
3248 V_I4(result) = V_I4(&lv) / V_I4(&rv);
3252 TRACE("returning 0x%8lx (%s%s),%g\n", rc, debugstr_VT(result),
3253 debugstr_VF(result), V_VT(result) == VT_R8 ? V_R8(result) : (double)V_I4(result));
3257 /**********************************************************************
3258 * VarSub [OLEAUT32.159]
3260 * Subtract two variants.
3263 * left [I] First variant
3264 * right [I] Second variant
3265 * result [O] Result variant
3269 * Failure: An HRESULT error code indicating the error.
3271 HRESULT WINAPI VarSub(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3273 HRESULT rc = E_FAIL;
3274 VARTYPE lvt,rvt,resvt;
3278 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3279 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3281 VariantInit(&lv);VariantInit(&rv);
3282 lvt = V_VT(left)&VT_TYPEMASK;
3283 rvt = V_VT(right)&VT_TYPEMASK;
3284 found = FALSE;resvt = VT_VOID;
3285 if (((1<<lvt) | (1<<rvt)) & (VTBIT_DATE|VTBIT_R4|VTBIT_R8)) {
3289 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_DECIMAL))) {
3293 if (!found && (((1<<lvt) | (1<<rvt)) & (VTBIT_I1|VTBIT_I2|VTBIT_UI1|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_INT|VTBIT_UINT))) {
3298 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
3301 rc = VariantChangeType(&lv, left, 0, resvt);
3303 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
3306 rc = VariantChangeType(&rv, right, 0, resvt);
3308 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
3313 V_VT(result) = resvt;
3314 V_R8(result) = V_R8(&lv) - V_R8(&rv);
3318 rc = VarDecSub(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
3319 V_VT(result) = resvt;
3322 V_VT(result) = resvt;
3323 V_I4(result) = V_I4(&lv) - V_I4(&rv);
3327 TRACE("returning 0x%8lx (%s%s),%g\n", rc, debugstr_VT(result),
3328 debugstr_VF(result), V_VT(result) == VT_R8 ? V_R8(result) : (double)V_I4(result));
3332 /**********************************************************************
3333 * VarOr [OLEAUT32.157]
3335 * Perform a logical or (OR) operation on two variants.
3338 * pVarLeft [I] First variant
3339 * pVarRight [I] Variant to OR with pVarLeft
3340 * pVarOut [O] Destination for OR result
3343 * Success: S_OK. pVarOut contains the result of the operation with its type
3344 * taken from the table listed under VarXor().
3345 * Failure: An HRESULT error code indicating the error.
3348 * See the Notes section of VarXor() for further information.
3350 HRESULT WINAPI VarOr(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
3353 VARIANT varLeft, varRight, varStr;
3356 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
3357 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
3358 debugstr_VF(pVarRight), pVarOut);
3360 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
3361 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
3362 V_VT(pVarLeft) == VT_DISPATCH || V_VT(pVarRight) == VT_DISPATCH ||
3363 V_VT(pVarLeft) == VT_RECORD || V_VT(pVarRight) == VT_RECORD)
3364 return DISP_E_BADVARTYPE;
3366 V_VT(&varLeft) = V_VT(&varRight) = V_VT(&varStr) = VT_EMPTY;
3368 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
3370 /* NULL OR Zero is NULL, NULL OR value is value */
3371 if (V_VT(pVarLeft) == VT_NULL)
3372 pVarLeft = pVarRight; /* point to the non-NULL var */
3374 V_VT(pVarOut) = VT_NULL;
3377 switch (V_VT(pVarLeft))
3379 case VT_DATE: case VT_R8:
3384 if (V_BOOL(pVarLeft))
3385 *pVarOut = *pVarLeft;
3387 case VT_I2: case VT_UI2:
3396 if (V_UI1(pVarLeft))
3397 *pVarOut = *pVarLeft;
3403 case VT_I4: case VT_UI4: case VT_INT: case VT_UINT:
3408 if (V_CY(pVarLeft).int64)
3411 case VT_I8: case VT_UI8:
3416 if (DEC_HI32(&V_DECIMAL(pVarLeft)) || DEC_LO64(&V_DECIMAL(pVarLeft)))
3423 if (!V_BSTR(pVarLeft))
3424 return DISP_E_BADVARTYPE;
3426 hRet = VarBoolFromStr(V_BSTR(pVarLeft), LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
3427 if (SUCCEEDED(hRet) && b)
3429 V_VT(pVarOut) = VT_BOOL;
3430 V_BOOL(pVarOut) = b;
3434 case VT_NULL: case VT_EMPTY:
3435 V_VT(pVarOut) = VT_NULL;
3438 return DISP_E_BADVARTYPE;
3442 if (V_VT(pVarLeft) == VT_EMPTY || V_VT(pVarRight) == VT_EMPTY)
3444 if (V_VT(pVarLeft) == VT_EMPTY)
3445 pVarLeft = pVarRight; /* point to the non-EMPTY var */
3448 /* Since one argument is empty (0), OR'ing it with the other simply
3449 * gives the others value (as 0|x => x). So just convert the other
3450 * argument to the required result type.
3452 switch (V_VT(pVarLeft))
3455 if (!V_BSTR(pVarLeft))
3456 return DISP_E_BADVARTYPE;
3458 hRet = VariantCopy(&varStr, pVarLeft);
3462 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
3465 /* Fall Through ... */
3466 case VT_EMPTY: case VT_UI1: case VT_BOOL: case VT_I2:
3467 V_VT(pVarOut) = VT_I2;
3469 case VT_DATE: case VT_CY: case VT_DECIMAL: case VT_R4: case VT_R8:
3470 case VT_I1: case VT_UI2: case VT_I4: case VT_UI4:
3471 case VT_INT: case VT_UINT: case VT_UI8:
3472 V_VT(pVarOut) = VT_I4;
3475 V_VT(pVarOut) = VT_I8;
3478 return DISP_E_BADVARTYPE;
3480 hRet = VariantCopy(&varLeft, pVarLeft);
3483 pVarLeft = &varLeft;
3484 hRet = VariantChangeType(pVarOut, pVarLeft, 0, V_VT(pVarOut));
3488 if (V_VT(pVarLeft) == VT_BOOL && V_VT(pVarRight) == VT_BOOL)
3490 V_VT(pVarOut) = VT_BOOL;
3491 V_BOOL(pVarOut) = V_BOOL(pVarLeft) | V_BOOL(pVarRight);
3495 if (V_VT(pVarLeft) == VT_UI1 && V_VT(pVarRight) == VT_UI1)
3497 V_VT(pVarOut) = VT_UI1;
3498 V_UI1(pVarOut) = V_UI1(pVarLeft) | V_UI1(pVarRight);
3502 if (V_VT(pVarLeft) == VT_BSTR)
3504 hRet = VariantCopy(&varStr, pVarLeft);
3508 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
3513 if (V_VT(pVarLeft) == VT_BOOL &&
3514 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_BSTR))
3518 else if ((V_VT(pVarLeft) == VT_BOOL || V_VT(pVarLeft) == VT_UI1 ||
3519 V_VT(pVarLeft) == VT_I2 || V_VT(pVarLeft) == VT_BSTR) &&
3520 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_UI1 ||
3521 V_VT(pVarRight) == VT_I2 || V_VT(pVarRight) == VT_BSTR))
3525 else if (V_VT(pVarLeft) == VT_I8 || V_VT(pVarRight) == VT_I8)
3527 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
3528 return DISP_E_TYPEMISMATCH;
3532 hRet = VariantCopy(&varLeft, pVarLeft);
3536 hRet = VariantCopy(&varRight, pVarRight);
3540 if (vt == VT_I4 && V_VT(&varLeft) == VT_UI4)
3541 V_VT(&varLeft) = VT_I4; /* Don't overflow */
3546 if (V_VT(&varLeft) == VT_BSTR &&
3547 FAILED(VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d)))
3548 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL, VT_BOOL);
3549 if (SUCCEEDED(hRet) && V_VT(&varLeft) != vt)
3550 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
3555 if (vt == VT_I4 && V_VT(&varRight) == VT_UI4)
3556 V_VT(&varRight) = VT_I4; /* Don't overflow */
3561 if (V_VT(&varRight) == VT_BSTR &&
3562 FAILED(VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d)))
3563 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL, VT_BOOL);
3564 if (SUCCEEDED(hRet) && V_VT(&varRight) != vt)
3565 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
3573 V_I8(pVarOut) = V_I8(&varLeft) | V_I8(&varRight);
3575 else if (vt == VT_I4)
3577 V_I4(pVarOut) = V_I4(&varLeft) | V_I4(&varRight);
3581 V_I2(pVarOut) = V_I2(&varLeft) | V_I2(&varRight);
3585 VariantClear(&varStr);
3586 VariantClear(&varLeft);
3587 VariantClear(&varRight);
3591 /**********************************************************************
3592 * VarAbs [OLEAUT32.168]
3594 * Convert a variant to its absolute value.
3597 * pVarIn [I] Source variant
3598 * pVarOut [O] Destination for converted value
3601 * Success: S_OK. pVarOut contains the absolute value of pVarIn.
3602 * Failure: An HRESULT error code indicating the error.
3605 * - This function does not process by-reference variants.
3606 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3607 * according to the following table:
3608 *| Input Type Output Type
3609 *| ---------- -----------
3612 *| (All others) Unchanged
3614 HRESULT WINAPI VarAbs(LPVARIANT pVarIn, LPVARIANT pVarOut)
3617 HRESULT hRet = S_OK;
3619 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3620 debugstr_VF(pVarIn), pVarOut);
3622 if (V_ISARRAY(pVarIn) || V_VT(pVarIn) == VT_UNKNOWN ||
3623 V_VT(pVarIn) == VT_DISPATCH || V_VT(pVarIn) == VT_RECORD ||
3624 V_VT(pVarIn) == VT_ERROR)
3625 return DISP_E_TYPEMISMATCH;
3627 *pVarOut = *pVarIn; /* Shallow copy the value, and invert it if needed */
3629 #define ABS_CASE(typ,min) \
3630 case VT_##typ: if (V_##typ(pVarIn) == min) hRet = DISP_E_OVERFLOW; \
3631 else if (V_##typ(pVarIn) < 0) V_##typ(pVarOut) = -V_##typ(pVarIn); \
3634 switch (V_VT(pVarIn))
3636 ABS_CASE(I1,I1_MIN);
3638 V_VT(pVarOut) = VT_I2;
3639 /* BOOL->I2, Fall through ... */
3640 ABS_CASE(I2,I2_MIN);
3642 ABS_CASE(I4,I4_MIN);
3643 ABS_CASE(I8,I8_MIN);
3644 ABS_CASE(R4,R4_MIN);
3646 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
3649 V_VT(pVarOut) = VT_R8;
3651 /* Fall through ... */
3653 ABS_CASE(R8,R8_MIN);
3655 hRet = VarCyAbs(V_CY(pVarIn), & V_CY(pVarOut));
3658 DEC_SIGN(&V_DECIMAL(pVarOut)) &= ~DECIMAL_NEG;
3668 V_VT(pVarOut) = VT_I2;
3673 hRet = DISP_E_BADVARTYPE;
3679 /**********************************************************************
3680 * VarFix [OLEAUT32.169]
3682 * Truncate a variants value to a whole number.
3685 * pVarIn [I] Source variant
3686 * pVarOut [O] Destination for converted value
3689 * Success: S_OK. pVarOut contains the converted value.
3690 * Failure: An HRESULT error code indicating the error.
3693 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3694 * according to the following table:
3695 *| Input Type Output Type
3696 *| ---------- -----------
3700 *| All Others Unchanged
3701 * - The difference between this function and VarInt() is that VarInt() rounds
3702 * negative numbers away from 0, while this function rounds them towards zero.
3704 HRESULT WINAPI VarFix(LPVARIANT pVarIn, LPVARIANT pVarOut)
3706 HRESULT hRet = S_OK;
3708 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3709 debugstr_VF(pVarIn), pVarOut);
3711 V_VT(pVarOut) = V_VT(pVarIn);
3713 switch (V_VT(pVarIn))
3716 V_UI1(pVarOut) = V_UI1(pVarIn);
3719 V_VT(pVarOut) = VT_I2;
3722 V_I2(pVarOut) = V_I2(pVarIn);
3725 V_I4(pVarOut) = V_I4(pVarIn);
3728 V_I8(pVarOut) = V_I8(pVarIn);
3731 if (V_R4(pVarIn) < 0.0f)
3732 V_R4(pVarOut) = (float)ceil(V_R4(pVarIn));
3734 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
3737 V_VT(pVarOut) = VT_R8;
3738 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
3743 if (V_R8(pVarIn) < 0.0)
3744 V_R8(pVarOut) = ceil(V_R8(pVarIn));
3746 V_R8(pVarOut) = floor(V_R8(pVarIn));
3749 hRet = VarCyFix(V_CY(pVarIn), &V_CY(pVarOut));
3752 hRet = VarDecFix(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
3755 V_VT(pVarOut) = VT_I2;
3762 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
3763 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
3764 hRet = DISP_E_BADVARTYPE;
3766 hRet = DISP_E_TYPEMISMATCH;
3769 V_VT(pVarOut) = VT_EMPTY;
3774 /**********************************************************************
3775 * VarInt [OLEAUT32.172]
3777 * Truncate a variants value to a whole number.
3780 * pVarIn [I] Source variant
3781 * pVarOut [O] Destination for converted value
3784 * Success: S_OK. pVarOut contains the converted value.
3785 * Failure: An HRESULT error code indicating the error.
3788 * - The type of the value stored in pVarOut depends on the type of pVarIn,
3789 * according to the following table:
3790 *| Input Type Output Type
3791 *| ---------- -----------
3795 *| All Others Unchanged
3796 * - The difference between this function and VarFix() is that VarFix() rounds
3797 * negative numbers towards 0, while this function rounds them away from zero.
3799 HRESULT WINAPI VarInt(LPVARIANT pVarIn, LPVARIANT pVarOut)
3801 HRESULT hRet = S_OK;
3803 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
3804 debugstr_VF(pVarIn), pVarOut);
3806 V_VT(pVarOut) = V_VT(pVarIn);
3808 switch (V_VT(pVarIn))
3811 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
3814 V_VT(pVarOut) = VT_R8;
3815 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
3820 V_R8(pVarOut) = floor(V_R8(pVarIn));
3823 hRet = VarCyInt(V_CY(pVarIn), &V_CY(pVarOut));
3826 hRet = VarDecInt(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
3829 return VarFix(pVarIn, pVarOut);
3835 /**********************************************************************
3836 * VarXor [OLEAUT32.167]
3838 * Perform a logical exclusive-or (XOR) operation on two variants.
3841 * pVarLeft [I] First variant
3842 * pVarRight [I] Variant to XOR with pVarLeft
3843 * pVarOut [O] Destination for XOR result
3846 * Success: S_OK. pVarOut contains the result of the operation with its type
3847 * taken from the table below).
3848 * Failure: An HRESULT error code indicating the error.
3851 * - Neither pVarLeft or pVarRight are modified by this function.
3852 * - This function does not process by-reference variants.
3853 * - Input types of VT_BSTR may be numeric strings or boolean text.
3854 * - The type of result stored in pVarOut depends on the types of pVarLeft
3855 * and pVarRight, and will be one of VT_UI1, VT_I2, VT_I4, VT_I8, VT_BOOL,
3856 * or VT_NULL if the function succeeds.
3857 * - Type promotion is inconsistent and as a result certain combinations of
3858 * values will return DISP_E_OVERFLOW even when they could be represented.
3859 * This matches the behaviour of native oleaut32.
3861 HRESULT WINAPI VarXor(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
3864 VARIANT varLeft, varRight;
3868 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
3869 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
3870 debugstr_VF(pVarRight), pVarOut);
3872 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
3873 V_VT(pVarLeft) > VT_UINT || V_VT(pVarRight) > VT_UINT ||
3874 V_VT(pVarLeft) == VT_VARIANT || V_VT(pVarRight) == VT_VARIANT ||
3875 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
3876 V_VT(pVarLeft) == (VARTYPE)15 || V_VT(pVarRight) == (VARTYPE)15 ||
3877 V_VT(pVarLeft) == VT_ERROR || V_VT(pVarRight) == VT_ERROR)
3878 return DISP_E_BADVARTYPE;
3880 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
3882 /* NULL XOR anything valid is NULL */
3883 V_VT(pVarOut) = VT_NULL;
3887 /* Copy our inputs so we don't disturb anything */
3888 V_VT(&varLeft) = V_VT(&varRight) = VT_EMPTY;
3890 hRet = VariantCopy(&varLeft, pVarLeft);
3894 hRet = VariantCopy(&varRight, pVarRight);
3898 /* Try any strings first as numbers, then as VT_BOOL */
3899 if (V_VT(&varLeft) == VT_BSTR)
3901 hRet = VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d);
3902 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL,
3903 FAILED(hRet) ? VT_BOOL : VT_I4);
3908 if (V_VT(&varRight) == VT_BSTR)
3910 hRet = VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d);
3911 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL,
3912 FAILED(hRet) ? VT_BOOL : VT_I4);
3917 /* Determine the result type */
3918 if (V_VT(&varLeft) == VT_I8 || V_VT(&varRight) == VT_I8)
3920 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
3921 return DISP_E_TYPEMISMATCH;
3926 switch ((V_VT(&varLeft) << 16) | V_VT(&varRight))
3928 case (VT_BOOL << 16) | VT_BOOL:
3931 case (VT_UI1 << 16) | VT_UI1:
3934 case (VT_EMPTY << 16) | VT_EMPTY:
3935 case (VT_EMPTY << 16) | VT_UI1:
3936 case (VT_EMPTY << 16) | VT_I2:
3937 case (VT_EMPTY << 16) | VT_BOOL:
3938 case (VT_UI1 << 16) | VT_EMPTY:
3939 case (VT_UI1 << 16) | VT_I2:
3940 case (VT_UI1 << 16) | VT_BOOL:
3941 case (VT_I2 << 16) | VT_EMPTY:
3942 case (VT_I2 << 16) | VT_UI1:
3943 case (VT_I2 << 16) | VT_I2:
3944 case (VT_I2 << 16) | VT_BOOL:
3945 case (VT_BOOL << 16) | VT_EMPTY:
3946 case (VT_BOOL << 16) | VT_UI1:
3947 case (VT_BOOL << 16) | VT_I2:
3956 /* VT_UI4 does not overflow */
3959 if (V_VT(&varLeft) == VT_UI4)
3960 V_VT(&varLeft) = VT_I4;
3961 if (V_VT(&varRight) == VT_UI4)
3962 V_VT(&varRight) = VT_I4;
3965 /* Convert our input copies to the result type */
3966 if (V_VT(&varLeft) != vt)
3967 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
3971 if (V_VT(&varRight) != vt)
3972 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
3978 /* Calculate the result */
3982 V_I8(pVarOut) = V_I8(&varLeft) ^ V_I8(&varRight);
3985 V_I4(pVarOut) = V_I4(&varLeft) ^ V_I4(&varRight);
3989 V_I2(pVarOut) = V_I2(&varLeft) ^ V_I2(&varRight);
3992 V_UI1(pVarOut) = V_UI1(&varLeft) ^ V_UI1(&varRight);
3997 VariantClear(&varLeft);
3998 VariantClear(&varRight);
4002 /**********************************************************************
4003 * VarEqv [OLEAUT32.172]
4005 * Determine if two variants contain the same value.
4008 * pVarLeft [I] First variant to compare
4009 * pVarRight [I] Variant to compare to pVarLeft
4010 * pVarOut [O] Destination for comparison result
4013 * Success: S_OK. pVarOut contains the result of the comparison (VARIANT_TRUE
4014 * if equivalent or non-zero otherwise.
4015 * Failure: An HRESULT error code indicating the error.
4018 * - This function simply calls VarXor() on pVarLeft and pVarRight and inverts
4021 HRESULT WINAPI VarEqv(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
4025 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
4026 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
4027 debugstr_VF(pVarRight), pVarOut);
4029 hRet = VarXor(pVarLeft, pVarRight, pVarOut);
4030 if (SUCCEEDED(hRet))
4032 if (V_VT(pVarOut) == VT_I8)
4033 V_I8(pVarOut) = ~V_I8(pVarOut);
4035 V_UI4(pVarOut) = ~V_UI4(pVarOut);
4040 /**********************************************************************
4041 * VarNeg [OLEAUT32.173]
4043 * Negate the value of a variant.
4046 * pVarIn [I] Source variant
4047 * pVarOut [O] Destination for converted value
4050 * Success: S_OK. pVarOut contains the converted value.
4051 * Failure: An HRESULT error code indicating the error.
4054 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4055 * according to the following table:
4056 *| Input Type Output Type
4057 *| ---------- -----------
4062 *| All Others Unchanged (unless promoted)
4063 * - Where the negated value of a variant does not fit in its base type, the type
4064 * is promoted according to the following table:
4065 *| Input Type Promoted To
4066 *| ---------- -----------
4070 * - The native version of this function returns DISP_E_BADVARTYPE for valid
4071 * variant types that cannot be negated, and returns DISP_E_TYPEMISMATCH
4072 * for types which are not valid. Since this is in contravention of the
4073 * meaning of those error codes and unlikely to be relied on by applications,
4074 * this implementation returns errors consistent with the other high level
4075 * variant math functions.
4077 HRESULT WINAPI VarNeg(LPVARIANT pVarIn, LPVARIANT pVarOut)
4079 HRESULT hRet = S_OK;
4081 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4082 debugstr_VF(pVarIn), pVarOut);
4084 V_VT(pVarOut) = V_VT(pVarIn);
4086 switch (V_VT(pVarIn))
4089 V_VT(pVarOut) = VT_I2;
4090 V_I2(pVarOut) = -V_UI1(pVarIn);
4093 V_VT(pVarOut) = VT_I2;
4096 if (V_I2(pVarIn) == I2_MIN)
4098 V_VT(pVarOut) = VT_I4;
4099 V_I4(pVarOut) = -(int)V_I2(pVarIn);
4102 V_I2(pVarOut) = -V_I2(pVarIn);
4105 if (V_I4(pVarIn) == I4_MIN)
4107 V_VT(pVarOut) = VT_R8;
4108 V_R8(pVarOut) = -(double)V_I4(pVarIn);
4111 V_I4(pVarOut) = -V_I4(pVarIn);
4114 if (V_I8(pVarIn) == I8_MIN)
4116 V_VT(pVarOut) = VT_R8;
4117 hRet = VarR8FromI8(V_I8(pVarIn), &V_R8(pVarOut));
4118 V_R8(pVarOut) *= -1.0;
4121 V_I8(pVarOut) = -V_I8(pVarIn);
4124 V_R4(pVarOut) = -V_R4(pVarIn);
4128 V_R8(pVarOut) = -V_R8(pVarIn);
4131 hRet = VarCyNeg(V_CY(pVarIn), &V_CY(pVarOut));
4134 hRet = VarDecNeg(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
4137 V_VT(pVarOut) = VT_R8;
4138 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
4139 V_R8(pVarOut) = -V_R8(pVarOut);
4142 V_VT(pVarOut) = VT_I2;
4149 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4150 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4151 hRet = DISP_E_BADVARTYPE;
4153 hRet = DISP_E_TYPEMISMATCH;
4156 V_VT(pVarOut) = VT_EMPTY;
4161 /**********************************************************************
4162 * VarNot [OLEAUT32.174]
4164 * Perform a not operation on a variant.
4167 * pVarIn [I] Source variant
4168 * pVarOut [O] Destination for converted value
4171 * Success: S_OK. pVarOut contains the converted value.
4172 * Failure: An HRESULT error code indicating the error.
4175 * - Strictly speaking, this function performs a bitwise ones complement
4176 * on the variants value (after possibly converting to VT_I4, see below).
4177 * This only behaves like a boolean not operation if the value in
4178 * pVarIn is either VARIANT_TRUE or VARIANT_FALSE and the type is signed.
4179 * - To perform a genuine not operation, convert the variant to a VT_BOOL
4180 * before calling this function.
4181 * - This function does not process by-reference variants.
4182 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4183 * according to the following table:
4184 *| Input Type Output Type
4185 *| ---------- -----------
4192 *| (All others) Unchanged
4194 HRESULT WINAPI VarNot(LPVARIANT pVarIn, LPVARIANT pVarOut)
4197 HRESULT hRet = S_OK;
4199 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4200 debugstr_VF(pVarIn), pVarOut);
4202 V_VT(pVarOut) = V_VT(pVarIn);
4204 switch (V_VT(pVarIn))
4207 V_I4(pVarOut) = ~V_I1(pVarIn);
4208 V_VT(pVarOut) = VT_I4;
4210 case VT_UI1: V_UI1(pVarOut) = ~V_UI1(pVarIn); break;
4212 case VT_I2: V_I2(pVarOut) = ~V_I2(pVarIn); break;
4214 V_I4(pVarOut) = ~V_UI2(pVarIn);
4215 V_VT(pVarOut) = VT_I4;
4218 hRet = VarI4FromDec(&V_DECIMAL(pVarIn), &V_I4(&varIn));
4222 /* Fall through ... */
4224 V_VT(pVarOut) = VT_I4;
4225 /* Fall through ... */
4226 case VT_I4: V_I4(pVarOut) = ~V_I4(pVarIn); break;
4229 V_I4(pVarOut) = ~V_UI4(pVarIn);
4230 V_VT(pVarOut) = VT_I4;
4232 case VT_I8: V_I8(pVarOut) = ~V_I8(pVarIn); break;
4234 V_I4(pVarOut) = ~V_UI8(pVarIn);
4235 V_VT(pVarOut) = VT_I4;
4238 hRet = VarI4FromR4(V_R4(pVarIn), &V_I4(pVarOut));
4239 V_I4(pVarOut) = ~V_I4(pVarOut);
4240 V_VT(pVarOut) = VT_I4;
4243 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
4247 /* Fall through ... */
4250 hRet = VarI4FromR8(V_R8(pVarIn), &V_I4(pVarOut));
4251 V_I4(pVarOut) = ~V_I4(pVarOut);
4252 V_VT(pVarOut) = VT_I4;
4255 hRet = VarI4FromCy(V_CY(pVarIn), &V_I4(pVarOut));
4256 V_I4(pVarOut) = ~V_I4(pVarOut);
4257 V_VT(pVarOut) = VT_I4;
4261 V_VT(pVarOut) = VT_I2;
4267 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4268 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4269 hRet = DISP_E_BADVARTYPE;
4271 hRet = DISP_E_TYPEMISMATCH;
4274 V_VT(pVarOut) = VT_EMPTY;
4279 /**********************************************************************
4280 * VarRound [OLEAUT32.175]
4282 * Perform a round operation on a variant.
4285 * pVarIn [I] Source variant
4286 * deci [I] Number of decimals to round to
4287 * pVarOut [O] Destination for converted value
4290 * Success: S_OK. pVarOut contains the converted value.
4291 * Failure: An HRESULT error code indicating the error.
4294 * - Floating point values are rounded to the desired number of decimals.
4295 * - Some integer types are just copied to the return variable.
4296 * - Some other integer types are not handled and fail.
4298 HRESULT WINAPI VarRound(LPVARIANT pVarIn, int deci, LPVARIANT pVarOut)
4301 HRESULT hRet = S_OK;
4304 TRACE("(%p->(%s%s),%d)\n", pVarIn, debugstr_VT(pVarIn), debugstr_VF(pVarIn), deci);
4306 switch (V_VT(pVarIn))
4308 /* cases that fail on windows */
4313 hRet = DISP_E_BADVARTYPE;
4316 /* cases just copying in to out */
4318 V_VT(pVarOut) = V_VT(pVarIn);
4319 V_UI1(pVarOut) = V_UI1(pVarIn);
4322 V_VT(pVarOut) = V_VT(pVarIn);
4323 V_I2(pVarOut) = V_I2(pVarIn);
4326 V_VT(pVarOut) = V_VT(pVarIn);
4327 V_I4(pVarOut) = V_I4(pVarIn);
4330 V_VT(pVarOut) = V_VT(pVarIn);
4331 /* value unchanged */
4334 /* cases that change type */
4336 V_VT(pVarOut) = VT_I2;
4340 V_VT(pVarOut) = VT_I2;
4341 V_I2(pVarOut) = V_BOOL(pVarIn);
4344 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
4349 /* Fall through ... */
4351 /* cases we need to do math */
4353 if (V_R8(pVarIn)>0) {
4354 V_R8(pVarOut)=floor(V_R8(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4356 V_R8(pVarOut)=ceil(V_R8(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4358 V_VT(pVarOut) = V_VT(pVarIn);
4361 if (V_R4(pVarIn)>0) {
4362 V_R4(pVarOut)=floor(V_R4(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4364 V_R4(pVarOut)=ceil(V_R4(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4366 V_VT(pVarOut) = V_VT(pVarIn);
4369 if (V_DATE(pVarIn)>0) {
4370 V_DATE(pVarOut)=floor(V_DATE(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
4372 V_DATE(pVarOut)=ceil(V_DATE(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
4374 V_VT(pVarOut) = V_VT(pVarIn);
4380 factor=pow(10, 4-deci);
4382 if (V_CY(pVarIn).int64>0) {
4383 V_CY(pVarOut).int64=floor(V_CY(pVarIn).int64/factor)*factor;
4385 V_CY(pVarOut).int64=ceil(V_CY(pVarIn).int64/factor)*factor;
4387 V_VT(pVarOut) = V_VT(pVarIn);
4390 /* cases we don't know yet */
4392 FIXME("unimplemented part, V_VT(pVarIn) == 0x%X, deci == %d\n",
4393 V_VT(pVarIn) & VT_TYPEMASK, deci);
4394 hRet = DISP_E_BADVARTYPE;
4398 V_VT(pVarOut) = VT_EMPTY;
4400 TRACE("returning 0x%08lx (%s%s),%f\n", hRet, debugstr_VT(pVarOut),
4401 debugstr_VF(pVarOut), (V_VT(pVarOut) == VT_R4) ? V_R4(pVarOut) :
4402 (V_VT(pVarOut) == VT_R8) ? V_R8(pVarOut) : 0);
4407 /**********************************************************************
4408 * VarIdiv [OLEAUT32.153]
4410 * Converts input variants to integers and divides them.
4413 * left [I] Left hand variant
4414 * right [I] Right hand variant
4415 * result [O] Destination for quotient
4418 * Success: S_OK. result contains the quotient.
4419 * Failure: An HRESULT error code indicating the error.
4422 * If either expression is null, null is returned, as per MSDN
4424 HRESULT WINAPI VarIdiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4432 if ((V_VT(left) == VT_NULL) || (V_VT(right) == VT_NULL)) {
4433 hr = VariantChangeType(result, result, 0, VT_NULL);
4435 /* This should never happen */
4436 FIXME("Failed to convert return value to VT_NULL.\n");
4442 hr = VariantChangeType(&lv, left, 0, VT_I4);
4446 hr = VariantChangeType(&rv, right, 0, VT_I4);
4451 hr = VarDiv(&lv, &rv, result);
4456 /**********************************************************************
4457 * VarMod [OLEAUT32.155]
4459 * Perform the modulus operation of the right hand variant on the left
4462 * left [I] Left hand variant
4463 * right [I] Right hand variant
4464 * result [O] Destination for converted value
4467 * Success: S_OK. result contains the remainder.
4468 * Failure: An HRESULT error code indicating the error.
4471 * If an error occurs the type of result will be modified but the value will not be.
4472 * Doesn't support arrays or any special flags yet.
4474 HRESULT WINAPI VarMod(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4478 HRESULT rc = E_FAIL;
4485 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
4486 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
4488 /* check for invalid inputs */
4490 switch (V_VT(left) & VT_TYPEMASK) {
4511 V_VT(result) = VT_EMPTY;
4512 return DISP_E_TYPEMISMATCH;
4514 V_VT(result) = VT_EMPTY;
4515 return DISP_E_OVERFLOW;
4517 return DISP_E_TYPEMISMATCH;
4519 V_VT(result) = VT_EMPTY;
4520 return DISP_E_TYPEMISMATCH;
4524 V_VT(result) = VT_EMPTY;
4525 return DISP_E_BADVARTYPE;
4530 switch (V_VT(right) & VT_TYPEMASK) {
4536 if((V_VT(left) == VT_INT) && (V_VT(right) == VT_I8))
4538 V_VT(result) = VT_EMPTY;
4539 return DISP_E_TYPEMISMATCH;
4542 if((V_VT(right) == VT_INT) && (V_VT(left) == VT_I8))
4544 V_VT(result) = VT_EMPTY;
4545 return DISP_E_TYPEMISMATCH;
4555 if(V_VT(left) == VT_EMPTY)
4557 V_VT(result) = VT_I4;
4563 if(V_VT(left) == VT_NULL)
4565 V_VT(result) = VT_NULL;
4571 V_VT(result) = VT_EMPTY;
4572 return DISP_E_BADVARTYPE;
4574 if(V_VT(left) == VT_VOID)
4576 V_VT(result) = VT_EMPTY;
4577 return DISP_E_BADVARTYPE;
4578 } else if((V_VT(left) == VT_NULL) || (V_VT(left) == VT_EMPTY) || (V_VT(left) == VT_ERROR) ||
4581 V_VT(result) = VT_NULL;
4585 V_VT(result) = VT_NULL;
4586 return DISP_E_BADVARTYPE;
4590 V_VT(result) = VT_EMPTY;
4591 return DISP_E_TYPEMISMATCH;
4593 if(V_VT(left) == VT_ERROR)
4595 V_VT(result) = VT_EMPTY;
4596 return DISP_E_TYPEMISMATCH;
4599 V_VT(result) = VT_EMPTY;
4600 return DISP_E_OVERFLOW;
4603 return DISP_E_TYPEMISMATCH;
4605 if((V_VT(left) == 15) || ((V_VT(left) >= 24) && (V_VT(left) <= 35)) || !lOk)
4607 V_VT(result) = VT_EMPTY;
4608 return DISP_E_BADVARTYPE;
4611 V_VT(result) = VT_EMPTY;
4612 return DISP_E_TYPEMISMATCH;
4615 V_VT(result) = VT_EMPTY;
4616 return DISP_E_BADVARTYPE;
4619 /* determine the result type */
4620 if((V_VT(left) == VT_I8) || (V_VT(right) == VT_I8)) resT = VT_I8;
4621 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4622 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_UI1)) resT = VT_UI1;
4623 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_I2)) resT = VT_I2;
4624 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4625 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_UI1)) resT = VT_I2;
4626 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_I2)) resT = VT_I2;
4627 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
4628 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_UI1)) resT = VT_I2;
4629 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_I2)) resT = VT_I2;
4630 else resT = VT_I4; /* most outputs are I4 */
4632 /* convert to I8 for the modulo */
4633 rc = VariantChangeType(&lv, left, 0, VT_I8);
4636 FIXME("Could not convert left type %d to %d? rc == 0x%lX\n", V_VT(left), VT_I8, rc);
4640 rc = VariantChangeType(&rv, right, 0, VT_I8);
4643 FIXME("Could not convert right type %d to %d? rc == 0x%lX\n", V_VT(right), VT_I8, rc);
4647 /* if right is zero set VT_EMPTY and return divide by zero */
4650 V_VT(result) = VT_EMPTY;
4651 return DISP_E_DIVBYZERO;
4654 /* perform the modulo operation */
4655 V_VT(result) = VT_I8;
4656 V_I8(result) = V_I8(&lv) % V_I8(&rv);
4658 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));
4660 /* convert left and right to the destination type */
4661 rc = VariantChangeType(result, result, 0, resT);
4664 FIXME("Could not convert 0x%x to %d?\n", V_VT(result), resT);
4671 /**********************************************************************
4672 * VarPow [OLEAUT32.158]
4674 * Computes the power of one variant to another variant.
4677 * left [I] First variant
4678 * right [I] Second variant
4679 * result [O] Result variant
4683 * Failure: An HRESULT error code indicating the error.
4685 HRESULT WINAPI VarPow(LPVARIANT left, LPVARIANT right, LPVARIANT result)
4690 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left), debugstr_VF(left),
4691 right, debugstr_VT(right), debugstr_VF(right), result);
4693 hr = VariantChangeType(&dl,left,0,VT_R8);
4694 if (!SUCCEEDED(hr)) {
4695 ERR("Could not change passed left argument to VT_R8, handle it differently.\n");
4698 hr = VariantChangeType(&dr,right,0,VT_R8);
4699 if (!SUCCEEDED(hr)) {
4700 ERR("Could not change passed right argument to VT_R8, handle it differently.\n");
4703 V_VT(result) = VT_R8;
4704 V_R8(result) = pow(V_R8(&dl),V_R8(&dr));