reg.c 75.3 KB
Newer Older
1 2
/*
 * SHLWAPI registry functions
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
 *
 * Copyright 1998 Juergen Schmied
 * Copyright 2001 Guy Albertelli
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 21
 */

22
#include <stdarg.h>
23
#include <string.h>
24
#include "windef.h"
25 26
#include "winbase.h"
#include "winuser.h"
27
#include "winreg.h"
28
#include "wine/debug.h"
29
#define NO_SHLWAPI_STREAM
30
#include "shlwapi.h"
31
#include "wine/unicode.h"
32

33
WINE_DEFAULT_DEBUG_CHANNEL(shell);
34

35
/* Key/Value names for MIME content types */
36
static const char lpszContentTypeA[] = "Content Type";
37 38
static const WCHAR lpszContentTypeW[] = { 'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};

39
static const char szMimeDbContentA[] = "MIME\\Database\\Content Type\\";
40 41
static const WCHAR szMimeDbContentW[] = { 'M', 'I', 'M','E','\\',
  'D','a','t','a','b','a','s','e','\\','C','o','n','t','e','n','t',
42
  ' ','T','y','p','e','\\', 0 };
43 44
static const DWORD dwLenMimeDbContent = 27; /* strlen of szMimeDbContentA/W */

45
static const char szExtensionA[] = "Extension";
46 47
static const WCHAR szExtensionW[] = { 'E', 'x', 't','e','n','s','i','o','n','\0' };

48 49
/* internal structure of what the HUSKEY points to */
typedef struct {
50 51 52 53 54 55
    HKEY     HKCUstart; /* Start key in CU hive */
    HKEY     HKCUkey;   /* Opened key in CU hive */
    HKEY     HKLMstart; /* Start key in LM hive */
    HKEY     HKLMkey;   /* Opened key in LM hive */
    WCHAR    lpszPath[MAX_PATH];
} SHUSKEY, *LPSHUSKEY;
56

57
INT     WINAPI SHStringFromGUIDW(REFGUID,LPWSTR,INT);
58
HRESULT WINAPI SHRegGetCLSIDKeyW(REFGUID,LPCWSTR,BOOL,BOOL,PHKEY);
Jon Griffiths's avatar
Jon Griffiths committed
59

60

61 62 63 64 65 66 67 68
#define REG_HKCU  TRUE
#define REG_HKLM  FALSE
/*************************************************************************
 * REG_GetHKEYFromHUSKEY
 *
 * Function:  Return the proper registry key from the HUSKEY structure
 *            also allow special predefined values.
 */
Jon Griffiths's avatar
Jon Griffiths committed
69
static HKEY WINAPI REG_GetHKEYFromHUSKEY(HUSKEY hUSKey, BOOL which)
70 71
{
        HKEY test = (HKEY) hUSKey;
72
        LPSHUSKEY mihk = (LPSHUSKEY) hUSKey;
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89

	if ((test == HKEY_CLASSES_ROOT)        ||
	    (test == HKEY_CURRENT_CONFIG)      ||
	    (test == HKEY_CURRENT_USER)        ||
	    (test == HKEY_DYN_DATA)            ||
	    (test == HKEY_LOCAL_MACHINE)       ||
	    (test == HKEY_PERFORMANCE_DATA)    ||
/* FIXME:  need to define for Win2k, ME, XP
 *	    (test == HKEY_PERFORMANCE_TEXT)    ||
 *	    (test == HKEY_PERFORMANCE_NLSTEXT) ||
 */
	    (test == HKEY_USERS)) return test;
	if (which == REG_HKCU) return mihk->HKCUkey;
	return mihk->HKLMkey;
}


90 91 92
/*************************************************************************
 * SHRegOpenUSKeyA	[SHLWAPI.@]
 *
93 94 95 96 97 98 99 100
 * Open a user-specific registry key.
 *
 * PARAMS
 *  Path           [I] Key name to open
 *  AccessType     [I] Access type
 *  hRelativeUSKey [I] Relative user key
 *  phNewUSKey     [O] Destination for created key
 *  fIgnoreHKCU    [I] TRUE=Don't check HKEY_CURRENT_USER
Jon Griffiths's avatar
Jon Griffiths committed
101 102 103 104
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from RegOpenKeyExA().
105
 */
106 107
LONG WINAPI SHRegOpenUSKeyA(LPCSTR Path, REGSAM AccessType, HUSKEY hRelativeUSKey,
                            PHUSKEY phNewUSKey, BOOL fIgnoreHKCU)
108
{
109
    WCHAR szPath[MAX_PATH];
110

111 112
    if (Path)
      MultiByteToWideChar(CP_ACP, 0, Path, -1, szPath, MAX_PATH);
113

114 115
    return SHRegOpenUSKeyW(Path ? szPath : NULL, AccessType, hRelativeUSKey,
                           phNewUSKey, fIgnoreHKCU);
116 117 118 119 120
}

/*************************************************************************
 * SHRegOpenUSKeyW	[SHLWAPI.@]
 *
Jon Griffiths's avatar
Jon Griffiths committed
121
 * See SHRegOpenUSKeyA.
122
 */
123 124
LONG WINAPI SHRegOpenUSKeyW(LPCWSTR Path, REGSAM AccessType, HUSKEY hRelativeUSKey,
                            PHUSKEY phNewUSKey, BOOL fIgnoreHKCU)
125
{
126
    LONG ret2, ret1 = ~ERROR_SUCCESS;
127 128
    LPSHUSKEY hKey;

129
    TRACE("(%s,0x%x,%p,%p,%d)\n", debugstr_w(Path),(LONG)AccessType,
130
          hRelativeUSKey, phNewUSKey, fIgnoreHKCU);
131

132 133
    if (phNewUSKey)
        *phNewUSKey = NULL;
134

135
    /* Create internal HUSKEY */
136
    hKey = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*hKey));
137
    lstrcpynW(hKey->lpszPath, Path, sizeof(hKey->lpszPath)/sizeof(WCHAR));
138

139 140 141 142 143 144 145 146
    if (hRelativeUSKey)
    {
        hKey->HKCUstart = SHRegDuplicateHKey(REG_GetHKEYFromHUSKEY(hRelativeUSKey, REG_HKCU));
        hKey->HKLMstart = SHRegDuplicateHKey(REG_GetHKEYFromHUSKEY(hRelativeUSKey, REG_HKLM));

        /* FIXME: if either of these keys is NULL, create the start key from
         *        the relative keys start+path
         */
147
    }
148 149 150 151
    else
    {
        hKey->HKCUstart = HKEY_CURRENT_USER;
        hKey->HKLMstart = HKEY_LOCAL_MACHINE;
152 153
    }

154 155 156 157 158
    if (!fIgnoreHKCU)
    {
        ret1 = RegOpenKeyExW(hKey->HKCUstart, hKey->lpszPath, 0, AccessType, &hKey->HKCUkey);
        if (ret1)
            hKey->HKCUkey = 0;
159
    }
160 161 162 163 164 165

    ret2 = RegOpenKeyExW(hKey->HKLMstart, hKey->lpszPath, 0, AccessType, &hKey->HKLMkey);
    if (ret2)
        hKey->HKLMkey = 0;

    if (ret1 || ret2)
166
        TRACE("one or more opens failed: HKCU=%d HKLM=%d\n", ret1, ret2);
167 168 169 170 171 172

    if (ret1 && ret2)
    {
        /* Neither open succeeded: fail */
        SHRegCloseUSKey(hKey);
        return ret2;
173 174
    }

175
    TRACE("HUSKEY=%p\n", hKey);
176
    if (phNewUSKey)
177
        *phNewUSKey = (HUSKEY)hKey;
178 179 180 181 182 183
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegCloseUSKey	[SHLWAPI.@]
 *
Jon Griffiths's avatar
Jon Griffiths committed
184 185 186 187 188
 * Close a user-specific registry key
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from RegCloseKey().
189 190
 */
LONG WINAPI SHRegCloseUSKey(
Jon Griffiths's avatar
Jon Griffiths committed
191
        HUSKEY hUSKey) /* [I] Key to close */
192
{
193
    LPSHUSKEY hKey = (LPSHUSKEY)hUSKey;
194
    LONG ret = ERROR_SUCCESS;
195

196 197 198 199 200 201 202 203 204 205
    if (hKey->HKCUkey)
        ret = RegCloseKey(hKey->HKCUkey);
    if (hKey->HKCUstart && hKey->HKCUstart != HKEY_CURRENT_USER)
        ret = RegCloseKey(hKey->HKCUstart);
    if (hKey->HKLMkey)
        ret = RegCloseKey(hKey->HKLMkey);
    if (hKey->HKLMstart && hKey->HKLMstart != HKEY_LOCAL_MACHINE)
        ret = RegCloseKey(hKey->HKCUstart);

    HeapFree(GetProcessHeap(), 0, hKey);
206 207 208
    return ret;
}

209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227
/*************************************************************************
 * SHRegCreateUSKeyA  [SHLWAPI.@]
 *
 * Create or open a user-specific registry key.
 * 
 * PARAMS
 *  pszPath        [I] Key name to create or open.
 *  samDesired     [I] Wanted security access.
 *  hRelativeUSKey [I] Base path if pszPath is relative. NULL otherwise.
 *  phNewUSKey     [O] Receives a handle to the new or openened key.
 *  dwFlags        [I] Base key under which the key should be opened.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: Nonzero error code from winerror.h
 */
LONG WINAPI SHRegCreateUSKeyA(LPCSTR pszPath, REGSAM samDesired, HUSKEY hRelativeUSKey,
                              PHUSKEY phNewUSKey, DWORD dwFlags)
{
228
    FIXME("(%s, 0x%08x, %p, %p, 0x%08x) stub\n", debugstr_a(pszPath), samDesired,
229 230 231 232 233 234 235 236 237 238 239 240
          hRelativeUSKey, phNewUSKey, dwFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegCreateUSKeyW  [SHLWAPI.@]
 *
 * See SHRegCreateUSKeyA.
 */
LONG WINAPI SHRegCreateUSKeyW(LPCWSTR pszPath, REGSAM samDesired, HUSKEY hRelativeUSKey,
                              PHUSKEY phNewUSKey, DWORD dwFlags)
{
241
    FIXME("(%s, 0x%08x, %p, %p, 0x%08x) stub\n", debugstr_w(pszPath), samDesired,
242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
          hRelativeUSKey, phNewUSKey, dwFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegDeleteEmptyUSKeyA  [SHLWAPI.@]
 *
 * Delete an empty user-specific registry key.
 *
 * PARAMS
 *  hUSKey      [I] Handle to an open registry key.
 *  pszValue    [I] Empty key name.
 *  delRegFlags [I] Flag that specifies the base from which to delete 
 *                  the key.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: Nonzero error code from winerror.h
 */
LONG WINAPI SHRegDeleteEmptyUSKeyA(HUSKEY hUSKey, LPCSTR pszValue, SHREGDEL_FLAGS delRegFlags)
{
    FIXME("(%p, %s, 0x%08x) stub\n", hUSKey, debugstr_a(pszValue), delRegFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegDeleteEmptyUSKeyW  [SHLWAPI.@]
 *
 * See SHRegDeleteEmptyUSKeyA.
 */
LONG WINAPI SHRegDeleteEmptyUSKeyW(HUSKEY hUSKey, LPCWSTR pszValue, SHREGDEL_FLAGS delRegFlags)
{
    FIXME("(%p, %s, 0x%08x) stub\n", hUSKey, debugstr_w(pszValue), delRegFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegDeleteUSValueA  [SHLWAPI.@]
 *
 * Delete a user-specific registry value.
 *
 * PARAMS
 *  hUSKey      [I] Handle to an open registry key.
 *  pszValue    [I] Specifies the value to delete.
 *  delRegFlags [I] Flag that specifies the base of the key from which to
 *                  delete the value.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: Nonzero error code from winerror.h
 */
LONG WINAPI SHRegDeleteUSValueA(HUSKEY hUSKey, LPCSTR pszValue, SHREGDEL_FLAGS delRegFlags)
{
    FIXME("(%p, %s, 0x%08x) stub\n", hUSKey, debugstr_a(pszValue), delRegFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegDeleteUSValueW  [SHLWAPI.@]
 *
 * See SHRegDeleteUSValueA.
 */
LONG WINAPI SHRegDeleteUSValueW(HUSKEY hUSKey, LPCWSTR pszValue, SHREGDEL_FLAGS delRegFlags)
{
    FIXME("(%p, %s, 0x%08x) stub\n", hUSKey, debugstr_w(pszValue), delRegFlags);
    return ERROR_SUCCESS;
}

/*************************************************************************
 * SHRegEnumUSValueA  [SHLWAPI.@]
 *
 * Enumerate values of a specified registry key.
 *
 * PARAMS
 *  hUSKey           [I]   Handle to an open registry key.
 *  dwIndex          [I]   Index of the value to be retrieved.
 *  pszValueName     [O]   Buffer to receive the value name.
 *  pcchValueNameLen [I]   Size of pszValueName in characters.
 *  pdwType          [O]   Receives data type of the value.
 *  pvData           [O]   Receives value data. May be NULL.
 *  pcbData          [I/O] Size of pvData in bytes.
 *  enumRegFlags     [I]   Flag that specifies the base key under which to
 *                         enumerate values.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: Nonzero error code from winerror.h
 */
LONG WINAPI SHRegEnumUSValueA(HUSKEY hUSKey, DWORD dwIndex, LPSTR pszValueName,
                              LPDWORD pcchValueNameLen, LPDWORD pdwType, LPVOID pvData,
                              LPDWORD pcbData, SHREGENUM_FLAGS enumRegFlags)
{
334
    FIXME("(%p, 0x%08x, %s, %p, %p, %p, %p, 0x%08x) stub\n", hUSKey, dwIndex,
335 336 337 338 339 340 341 342 343 344 345 346 347
          debugstr_a(pszValueName), pcchValueNameLen, pdwType, pvData, pcbData, enumRegFlags);
    return ERROR_INVALID_FUNCTION;
}

/*************************************************************************
 * SHRegEnumUSValueW  [SHLWAPI.@]
 *
 * See SHRegEnumUSValueA.
 */
LONG WINAPI SHRegEnumUSValueW(HUSKEY hUSKey, DWORD dwIndex, LPWSTR pszValueName,
                              LPDWORD pcchValueNameLen, LPDWORD pdwType, LPVOID pvData,
                              LPDWORD pcbData, SHREGENUM_FLAGS enumRegFlags)
{
348
    FIXME("(%p, 0x%08x, %s, %p, %p, %p, %p, 0x%08x) stub\n", hUSKey, dwIndex,
349 350 351 352
          debugstr_w(pszValueName), pcchValueNameLen, pdwType, pvData, pcbData, enumRegFlags);
    return ERROR_INVALID_FUNCTION;
}

353 354
/*************************************************************************
 *      SHRegQueryUSValueA	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
355 356 357 358 359 360
 *
 * Query a user-specific registry value.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from RegQueryValueExA().
361 362
 */
LONG WINAPI SHRegQueryUSValueA(
Jon Griffiths's avatar
Jon Griffiths committed
363 364 365 366 367 368 369 370
	HUSKEY hUSKey, /* [I] Key to query */
	LPCSTR pszValue, /* [I] Value name under hUSKey */
	LPDWORD pdwType, /* [O] Destination for value type */
	LPVOID pvData, /* [O] Destination for value data */
	LPDWORD pcbData, /* [O] Destination for value length */
	BOOL fIgnoreHKCU,  /* [I] TRUE=Don't check HKEY_CURRENT_USER */
	LPVOID pvDefaultData, /* [I] Default data if pszValue does not exist */
	DWORD dwDefaultDataSize) /* [I] Length of pvDefaultData */
371 372 373 374 375 376 377
{
	LONG ret = ~ERROR_SUCCESS;
	LONG i, maxmove;
	HKEY dokey;
	CHAR *src, *dst;

	/* if user wants HKCU, and it exists, then try it */
378
	if (!fIgnoreHKCU && (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
379
	    ret = RegQueryValueExA(dokey,
380
				   pszValue, 0, pdwType, pvData, pcbData);
381
	    TRACE("HKCU RegQueryValue returned %08x\n", ret);
382
	}
383 384 385

	/* if HKCU did not work and HKLM exists, then try it */
	if ((ret != ERROR_SUCCESS) &&
386
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
387 388
	    ret = RegQueryValueExA(dokey,
				   pszValue, 0, pdwType, pvData, pcbData);
389
	    TRACE("HKLM RegQueryValue returned %08x\n", ret);
390
	}
391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409

	/* if neither worked, and default data exists, then use it */
	if (ret != ERROR_SUCCESS) {
	    if (pvDefaultData && (dwDefaultDataSize != 0)) {
		maxmove = (dwDefaultDataSize >= *pcbData) ? *pcbData : dwDefaultDataSize;
		src = (CHAR*)pvDefaultData;
		dst = (CHAR*)pvData;
		for(i=0; i<maxmove; i++) *dst++ = *src++;
		*pcbData = maxmove;
		TRACE("setting default data\n");
		ret = ERROR_SUCCESS;
	    }
	}
	return ret;
}


/*************************************************************************
 *      SHRegQueryUSValueW	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
410 411
 *
 * See SHRegQueryUSValueA.
412 413
 */
LONG WINAPI SHRegQueryUSValueW(
Jon Griffiths's avatar
Jon Griffiths committed
414
	HUSKEY hUSKey,
415 416 417 418 419 420 421 422 423 424 425 426 427 428
	LPCWSTR pszValue,
	LPDWORD pdwType,
	LPVOID pvData,
	LPDWORD pcbData,
	BOOL fIgnoreHKCU,
	LPVOID pvDefaultData,
	DWORD dwDefaultDataSize)
{
	LONG ret = ~ERROR_SUCCESS;
	LONG i, maxmove;
	HKEY dokey;
	CHAR *src, *dst;

	/* if user wants HKCU, and it exists, then try it */
429
	if (!fIgnoreHKCU && (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
430
	    ret = RegQueryValueExW(dokey,
431
				   pszValue, 0, pdwType, pvData, pcbData);
432
	    TRACE("HKCU RegQueryValue returned %08x\n", ret);
433
	}
434 435 436

	/* if HKCU did not work and HKLM exists, then try it */
	if ((ret != ERROR_SUCCESS) &&
437
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
438 439
	    ret = RegQueryValueExW(dokey,
				   pszValue, 0, pdwType, pvData, pcbData);
440
	    TRACE("HKLM RegQueryValue returned %08x\n", ret);
441
	}
442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457

	/* if neither worked, and default data exists, then use it */
	if (ret != ERROR_SUCCESS) {
	    if (pvDefaultData && (dwDefaultDataSize != 0)) {
		maxmove = (dwDefaultDataSize >= *pcbData) ? *pcbData : dwDefaultDataSize;
		src = (CHAR*)pvDefaultData;
		dst = (CHAR*)pvData;
		for(i=0; i<maxmove; i++) *dst++ = *src++;
		*pcbData = maxmove;
		TRACE("setting default data\n");
		ret = ERROR_SUCCESS;
	    }
	}
	return ret;
}

458 459 460
/*************************************************************************
 * SHRegGetUSValueA	[SHLWAPI.@]
 *
Jon Griffiths's avatar
Jon Griffiths committed
461 462 463 464 465 466 467 468
 * Get a user-specific registry value.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from SHRegOpenUSKeyA() or SHRegQueryUSValueA().
 *
 * NOTES
 *   This function opens pSubKey, queries the value, and then closes the key.
469 470
 */
LONG WINAPI SHRegGetUSValueA(
Jon Griffiths's avatar
Jon Griffiths committed
471 472 473 474 475 476 477 478
	LPCSTR   pSubKey, /* [I] Key name to open */
	LPCSTR   pValue, /* [I] Value name to open */
	LPDWORD  pwType, /* [O] Destination for the type of the value */
	LPVOID   pvData, /* [O] Destination for the value */
	LPDWORD  pcbData, /* [I] Destination for the length of the value **/
	BOOL     flagIgnoreHKCU, /* [I] TRUE=Don't check HKEY_CURRENT_USER */
	LPVOID   pDefaultData, /* [I] Default value if it doesn't exist */
	DWORD    wDefaultDataSize) /* [I] Length of pDefaultData */
479
{
480
	HUSKEY myhuskey;
481
	LONG ret;
482 483

	if (!pvData || !pcbData) return ERROR_INVALID_FUNCTION; /* FIXME:wrong*/
484
	TRACE("key '%s', value '%s', datalen %d,  %s\n",
485
	      debugstr_a(pSubKey), debugstr_a(pValue), *pcbData,
486
	      (flagIgnoreHKCU) ? "Ignoring HKCU" : "Tries HKCU then HKLM");
487 488 489

	ret = SHRegOpenUSKeyA(pSubKey, 0x1, 0, &myhuskey, flagIgnoreHKCU);
	if (ret == ERROR_SUCCESS) {
490 491 492
	    ret = SHRegQueryUSValueA(myhuskey, pValue, pwType, pvData,
				     pcbData, flagIgnoreHKCU, pDefaultData,
				     wDefaultDataSize);
493 494 495
	    SHRegCloseUSKey(myhuskey);
	}
	return ret;
496 497 498 499 500
}

/*************************************************************************
 * SHRegGetUSValueW	[SHLWAPI.@]
 *
Jon Griffiths's avatar
Jon Griffiths committed
501
 * See SHRegGetUSValueA.
502 503 504 505 506 507
 */
LONG WINAPI SHRegGetUSValueW(
	LPCWSTR  pSubKey,
	LPCWSTR  pValue,
	LPDWORD  pwType,
	LPVOID   pvData,
508
	LPDWORD  pcbData,
509 510 511 512
	BOOL     flagIgnoreHKCU,
	LPVOID   pDefaultData,
	DWORD    wDefaultDataSize)
{
513
	HUSKEY myhuskey;
514
	LONG ret;
515

516
	if (!pvData || !pcbData) return ERROR_INVALID_FUNCTION; /* FIXME:wrong*/
517
	TRACE("key '%s', value '%s', datalen %d,  %s\n",
518
	      debugstr_w(pSubKey), debugstr_w(pValue), *pcbData,
519
	      (flagIgnoreHKCU) ? "Ignoring HKCU" : "Tries HKCU then HKLM");
520

521 522
	ret = SHRegOpenUSKeyW(pSubKey, 0x1, 0, &myhuskey, flagIgnoreHKCU);
	if (ret == ERROR_SUCCESS) {
523 524
	    ret = SHRegQueryUSValueW(myhuskey, pValue, pwType, pvData,
				     pcbData, flagIgnoreHKCU, pDefaultData,
Jon Griffiths's avatar
Jon Griffiths committed
525
				     wDefaultDataSize);
526 527 528 529 530 531 532
	    SHRegCloseUSKey(myhuskey);
	}
	return ret;
}

/*************************************************************************
 * SHRegSetUSValueA   [SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
533 534 535
 *
 * Set a user-specific registry value.
 *
536 537 538 539 540 541 542 543
 * PARAMS
 *  pszSubKey [I] Name of key to set the value in
 *  pszValue  [I] Name of value under pszSubKey to set the value in
 *  dwType    [I] Type of the value
 *  pvData    [I] Data to set as the value
 *  cbData    [I] length of pvData
 *  dwFlags   [I] SHREGSET_ flags from "shlwapi.h"
 *
Jon Griffiths's avatar
Jon Griffiths committed
544 545 546 547 548 549 550
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from SHRegOpenUSKeyA() or SHRegWriteUSValueA(), or
 *           ERROR_INVALID_FUNCTION if pvData is NULL.
 *
 * NOTES
 *   This function opens pszSubKey, sets the value, and then closes the key.
551
 */
552 553
LONG WINAPI SHRegSetUSValueA(LPCSTR pszSubKey, LPCSTR pszValue, DWORD dwType,
                             LPVOID pvData, DWORD cbData, DWORD dwFlags)
554
{
555 556 557 558
  BOOL ignoreHKCU = TRUE;
  HUSKEY hkey;
  LONG ret;

559
  TRACE("(%s,%s,%d,%p,%d,0x%08x\n", debugstr_a(pszSubKey), debugstr_a(pszValue),
560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
        dwType, pvData, cbData, dwFlags);

  if (!pvData)
    return ERROR_INVALID_FUNCTION;

  if (dwFlags & SHREGSET_HKCU || dwFlags & SHREGSET_FORCE_HKCU)
    ignoreHKCU = FALSE;

  ret = SHRegOpenUSKeyA(pszSubKey, KEY_ALL_ACCESS, 0, &hkey, ignoreHKCU);
  if (ret == ERROR_SUCCESS)
  {
    ret = SHRegWriteUSValueA(hkey, pszValue, dwType, pvData, cbData, dwFlags);
    SHRegCloseUSKey(hkey);
  }
  return ret;
575 576 577 578
}

/*************************************************************************
 * SHRegSetUSValueW   [SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
579 580
 *
 * See SHRegSetUSValueA.
581
 */
582 583
LONG WINAPI SHRegSetUSValueW(LPCWSTR pszSubKey, LPCWSTR pszValue, DWORD dwType,
                             LPVOID pvData, DWORD cbData, DWORD dwFlags)
584
{
585 586 587 588
  BOOL ignoreHKCU = TRUE;
  HUSKEY hkey;
  LONG ret;

589
  TRACE("(%s,%s,%d,%p,%d,0x%08x\n", debugstr_w(pszSubKey), debugstr_w(pszValue),
590 591 592 593 594 595 596 597 598 599 600 601 602 603 604
        dwType, pvData, cbData, dwFlags);

  if (!pvData)
    return ERROR_INVALID_FUNCTION;

  if (dwFlags & SHREGSET_HKCU || dwFlags & SHREGSET_FORCE_HKCU)
    ignoreHKCU = FALSE;

  ret = SHRegOpenUSKeyW(pszSubKey, KEY_ALL_ACCESS, 0, &hkey, ignoreHKCU);
  if (ret == ERROR_SUCCESS)
  {
    ret = SHRegWriteUSValueW(hkey, pszValue, dwType, pvData, cbData, dwFlags);
    SHRegCloseUSKey(hkey);
  }
  return ret;
605 606
}

607 608
/*************************************************************************
 * SHRegGetBoolUSValueA   [SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
609 610 611 612 613 614 615 616 617 618 619 620 621
 *
 * Get a user-specific registry boolean value.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from SHRegOpenUSKeyA() or SHRegQueryUSValueA().
 *
 * NOTES
 *   This function opens pszSubKey, queries the value, and then closes the key.
 *
 *   Boolean values are one of the following:
 *   True: YES,TRUE,non-zero
 *   False: NO,FALSE,0
622 623
 */
BOOL WINAPI SHRegGetBoolUSValueA(
Jon Griffiths's avatar
Jon Griffiths committed
624 625 626 627
	LPCSTR pszSubKey, /* [I] Key name to open */
	LPCSTR pszValue, /* [I] Value name to open */
	BOOL fIgnoreHKCU, /* [I] TRUE=Don't check HKEY_CURRENT_USER */
	BOOL fDefault) /* [I] Default value to use if pszValue is not present */
628
{
629 630 631 632 633 634 635
	LONG retvalue;
	DWORD type, datalen, work;
	BOOL ret = fDefault;
	CHAR data[10];

	TRACE("key '%s', value '%s', %s\n",
	      debugstr_a(pszSubKey), debugstr_a(pszValue),
636
	      (fIgnoreHKCU) ? "Ignoring HKCU" : "Tries HKCU then HKLM");
637 638

	datalen = sizeof(data)-1;
639
	if (!(retvalue = SHRegGetUSValueA( pszSubKey, pszValue, &type,
640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660
					   data, &datalen,
					   fIgnoreHKCU, 0, 0))) {
	    /* process returned data via type into bool */
	    switch (type) {
	    case REG_SZ:
		data[9] = '\0';     /* set end of string */
		if (lstrcmpiA(data, "YES") == 0) ret = TRUE;
		if (lstrcmpiA(data, "TRUE") == 0) ret = TRUE;
		if (lstrcmpiA(data, "NO") == 0) ret = FALSE;
		if (lstrcmpiA(data, "FALSE") == 0) ret = FALSE;
		break;
	    case REG_DWORD:
		work = *(LPDWORD)data;
		ret = (work != 0);
		break;
	    case REG_BINARY:
		if (datalen == 1) {
		    ret = (data[0] != '\0');
		    break;
		}
	    default:
661
		FIXME("Unsupported registry data type %d\n", type);
662 663
		ret = FALSE;
	    }
664
	    TRACE("got value (type=%d), returning <%s>\n", type,
665 666 667 668 669 670 671 672
		  (ret) ? "TRUE" : "FALSE");
	}
	else {
	    ret = fDefault;
	    TRACE("returning default data <%s>\n",
		  (ret) ? "TRUE" : "FALSE");
	}
	return ret;
673 674 675 676
}

/*************************************************************************
 * SHRegGetBoolUSValueW	  [SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
677 678
 *
 * See SHRegGetBoolUSValueA.
679 680 681 682 683 684 685
 */
BOOL WINAPI SHRegGetBoolUSValueW(
	LPCWSTR pszSubKey,
	LPCWSTR pszValue,
	BOOL fIgnoreHKCU,
	BOOL fDefault)
{
686 687 688 689
	static const WCHAR wYES[]=  {'Y','E','S','\0'};
	static const WCHAR wTRUE[]= {'T','R','U','E','\0'};
	static const WCHAR wNO[]=   {'N','O','\0'};
	static const WCHAR wFALSE[]={'F','A','L','S','E','\0'};
690 691 692 693 694 695 696
	LONG retvalue;
	DWORD type, datalen, work;
	BOOL ret = fDefault;
	WCHAR data[10];

	TRACE("key '%s', value '%s', %s\n",
	      debugstr_w(pszSubKey), debugstr_w(pszValue),
697
	      (fIgnoreHKCU) ? "Ignoring HKCU" : "Tries HKCU then HKLM");
698 699

	datalen = (sizeof(data)-1) * sizeof(WCHAR);
700
	if (!(retvalue = SHRegGetUSValueW( pszSubKey, pszValue, &type,
701 702 703 704 705
					   data, &datalen,
					   fIgnoreHKCU, 0, 0))) {
	    /* process returned data via type into bool */
	    switch (type) {
	    case REG_SZ:
706
		data[9] = '\0';     /* set end of string */
707 708 709 710
		if (lstrcmpiW(data, wYES)==0 || lstrcmpiW(data, wTRUE)==0)
		    ret = TRUE;
		else if (lstrcmpiW(data, wNO)==0 || lstrcmpiW(data, wFALSE)==0)
		    ret = FALSE;
711 712 713 714 715 716 717
		break;
	    case REG_DWORD:
		work = *(LPDWORD)data;
		ret = (work != 0);
		break;
	    case REG_BINARY:
		if (datalen == 1) {
718
		    ret = (data[0] != '\0');
719 720 721
		    break;
		}
	    default:
722
		FIXME("Unsupported registry data type %d\n", type);
723 724
		ret = FALSE;
	    }
725
	    TRACE("got value (type=%d), returning <%s>\n", type,
726 727 728 729 730 731 732 733
		  (ret) ? "TRUE" : "FALSE");
	}
	else {
	    ret = fDefault;
	    TRACE("returning default data <%s>\n",
		  (ret) ? "TRUE" : "FALSE");
	}
	return ret;
734 735
}

736 737
/*************************************************************************
 *      SHRegQueryInfoUSKeyA	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
738 739 740 741 742 743
 *
 * Get information about a user-specific registry key.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from RegQueryInfoKeyA().
744
 */
745
LONG WINAPI SHRegQueryInfoUSKeyA(
Jon Griffiths's avatar
Jon Griffiths committed
746 747 748 749 750 751
	HUSKEY hUSKey, /* [I] Key to query */
	LPDWORD pcSubKeys, /* [O] Destination for number of sub keys */
	LPDWORD pcchMaxSubKeyLen, /* [O] Destination for the length of the biggest sub key name */
	LPDWORD pcValues, /* [O] Destination for number of values */
	LPDWORD pcchMaxValueNameLen,/* [O] Destination for the length of the biggest value */
	SHREGENUM_FLAGS enumRegFlags)  /* [in] SHREGENUM_ flags from "shlwapi.h" */
752
{
753 754 755
	HKEY dokey;
	LONG ret;

Jon Griffiths's avatar
Jon Griffiths committed
756 757
	TRACE("(%p,%p,%p,%p,%p,%d)\n",
	      hUSKey,pcSubKeys,pcchMaxSubKeyLen,pcValues,
758 759 760 761
	      pcchMaxValueNameLen,enumRegFlags);

	/* if user wants HKCU, and it exists, then try it */
	if (((enumRegFlags == SHREGENUM_HKCU) ||
762
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
763 764 765 766 767
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
	    ret = RegQueryInfoKeyA(dokey, 0, 0, 0,
				   pcSubKeys, pcchMaxSubKeyLen, 0,
				   pcValues, pcchMaxValueNameLen, 0, 0, 0);
	    if ((ret == ERROR_SUCCESS) ||
768
		(enumRegFlags == SHREGENUM_HKCU))
769 770 771
		return ret;
	}
	if (((enumRegFlags == SHREGENUM_HKLM) ||
772
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
773 774 775 776 777 778
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
	    return RegQueryInfoKeyA(dokey, 0, 0, 0,
				    pcSubKeys, pcchMaxSubKeyLen, 0,
				    pcValues, pcchMaxValueNameLen, 0, 0, 0);
	}
	return ERROR_INVALID_FUNCTION;
779 780 781 782
}

/*************************************************************************
 *      SHRegQueryInfoUSKeyW	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
783 784
 *
 * See SHRegQueryInfoUSKeyA.
785
 */
786
LONG WINAPI SHRegQueryInfoUSKeyW(
Jon Griffiths's avatar
Jon Griffiths committed
787
	HUSKEY hUSKey,
788 789 790 791 792 793
	LPDWORD pcSubKeys,
	LPDWORD pcchMaxSubKeyLen,
	LPDWORD pcValues,
	LPDWORD pcchMaxValueNameLen,
	SHREGENUM_FLAGS enumRegFlags)
{
794 795 796
	HKEY dokey;
	LONG ret;

Jon Griffiths's avatar
Jon Griffiths committed
797 798
	TRACE("(%p,%p,%p,%p,%p,%d)\n",
	      hUSKey,pcSubKeys,pcchMaxSubKeyLen,pcValues,
799
	      pcchMaxValueNameLen,enumRegFlags);
800 801 802

	/* if user wants HKCU, and it exists, then try it */
	if (((enumRegFlags == SHREGENUM_HKCU) ||
803
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
804 805 806 807 808
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
	    ret = RegQueryInfoKeyW(dokey, 0, 0, 0,
				   pcSubKeys, pcchMaxSubKeyLen, 0,
				   pcValues, pcchMaxValueNameLen, 0, 0, 0);
	    if ((ret == ERROR_SUCCESS) ||
809
		(enumRegFlags == SHREGENUM_HKCU))
810 811 812
		return ret;
	}
	if (((enumRegFlags == SHREGENUM_HKLM) ||
813
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
814 815 816 817 818 819
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
	    return RegQueryInfoKeyW(dokey, 0, 0, 0,
				    pcSubKeys, pcchMaxSubKeyLen, 0,
				    pcValues, pcchMaxValueNameLen, 0, 0, 0);
	}
	return ERROR_INVALID_FUNCTION;
820 821
}

822 823
/*************************************************************************
 *      SHRegEnumUSKeyA   	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
824 825 826 827 828 829
 *
 * Enumerate a user-specific registry key.
 *
 * RETURNS
 *  Success: ERROR_SUCCESS
 *  Failure: An error code from RegEnumKeyExA().
830 831
 */
LONG WINAPI SHRegEnumUSKeyA(
Jon Griffiths's avatar
Jon Griffiths committed
832 833 834 835 836
	HUSKEY hUSKey,                 /* [in] Key to enumerate */
	DWORD dwIndex,                 /* [in] Index within hUSKey */
	LPSTR pszName,                 /* [out] Name of the enumerated value */
	LPDWORD pcchValueNameLen,      /* [in/out] Length of pszName */
	SHREGENUM_FLAGS enumRegFlags)  /* [in] SHREGENUM_ flags from "shlwapi.h" */
837
{
838 839
	HKEY dokey;

840
	TRACE("(%p,%d,%p,%p(%d),%d)\n",
Jon Griffiths's avatar
Jon Griffiths committed
841
	      hUSKey, dwIndex, pszName, pcchValueNameLen,
842 843 844
	      *pcchValueNameLen, enumRegFlags);

	if (((enumRegFlags == SHREGENUM_HKCU) ||
845
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
846
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
847
	    return RegEnumKeyExA(dokey, dwIndex, pszName, pcchValueNameLen,
848 849 850 851
				0, 0, 0, 0);
	}

	if (((enumRegFlags == SHREGENUM_HKLM) ||
852
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
853
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
854
	    return RegEnumKeyExA(dokey, dwIndex, pszName, pcchValueNameLen,
855 856
				0, 0, 0, 0);
	}
Andreas Mohr's avatar
Andreas Mohr committed
857
	FIXME("no support for SHREGENUM_BOTH\n");
858
	return ERROR_INVALID_FUNCTION;
859 860 861 862
}

/*************************************************************************
 *      SHRegEnumUSKeyW   	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
863 864
 *
 * See SHRegEnumUSKeyA.
865 866
 */
LONG WINAPI SHRegEnumUSKeyW(
Jon Griffiths's avatar
Jon Griffiths committed
867 868 869 870 871
	HUSKEY hUSKey,
	DWORD dwIndex,
	LPWSTR pszName,
	LPDWORD pcchValueNameLen,
	SHREGENUM_FLAGS enumRegFlags)
872
{
873 874
	HKEY dokey;

875
	TRACE("(%p,%d,%p,%p(%d),%d)\n",
Jon Griffiths's avatar
Jon Griffiths committed
876
	      hUSKey, dwIndex, pszName, pcchValueNameLen,
877 878 879
	      *pcchValueNameLen, enumRegFlags);

	if (((enumRegFlags == SHREGENUM_HKCU) ||
880
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
881
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKCU))) {
882
	    return RegEnumKeyExW(dokey, dwIndex, pszName, pcchValueNameLen,
883 884 885 886
				0, 0, 0, 0);
	}

	if (((enumRegFlags == SHREGENUM_HKLM) ||
887
	     (enumRegFlags == SHREGENUM_DEFAULT)) &&
888
	    (dokey = REG_GetHKEYFromHUSKEY(hUSKey,REG_HKLM))) {
889
	    return RegEnumKeyExW(dokey, dwIndex, pszName, pcchValueNameLen,
890 891
				0, 0, 0, 0);
	}
Andreas Mohr's avatar
Andreas Mohr committed
892
	FIXME("no support for SHREGENUM_BOTH\n");
893 894 895
	return ERROR_INVALID_FUNCTION;
}

Jon Griffiths's avatar
Jon Griffiths committed
896

897 898
/*************************************************************************
 *      SHRegWriteUSValueA   	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
899
 *
Jon Griffiths's avatar
Jon Griffiths committed
900
 * Write a user-specific registry value.
Jon Griffiths's avatar
Jon Griffiths committed
901
 *
Jon Griffiths's avatar
Jon Griffiths committed
902 903 904 905 906 907 908 909 910 911
 * PARAMS
 *  hUSKey   [I] Key to write the value to
 *  pszValue [I] Name of value under hUSKey to write the value as
 *  dwType   [I] Type of the value
 *  pvData   [I] Data to set as the value
 *  cbData   [I] length of pvData
 *  dwFlags  [I] SHREGSET_ flags from "shlwapi.h"
 *
 * RETURNS
 *  Success: ERROR_SUCCESS.
912 913 914 915 916
 *  Failure: ERROR_INVALID_PARAMETER, if any parameter is invalid, otherwise
 *           an error code from RegSetValueExA().
 *
 * NOTES
 *  dwFlags must have at least SHREGSET_FORCE_HKCU or SHREGSET_FORCE_HKLM set.
917 918
 */
LONG  WINAPI SHRegWriteUSValueA(HUSKEY hUSKey, LPCSTR pszValue, DWORD dwType,
919
                                LPVOID pvData, DWORD cbData, DWORD dwFlags)
920
{
921
    WCHAR szValue[MAX_PATH];
922

923 924
    if (pszValue)
      MultiByteToWideChar(CP_ACP, 0, pszValue, -1, szValue, MAX_PATH);
925

926 927
    return SHRegWriteUSValueW(hUSKey, pszValue ? szValue : NULL, dwType,
                               pvData, cbData, dwFlags);
928 929 930 931
}

/*************************************************************************
 *      SHRegWriteUSValueW   	[SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
932 933
 *
 * See SHRegWriteUSValueA.
934 935
 */
LONG  WINAPI SHRegWriteUSValueW(HUSKEY hUSKey, LPCWSTR pszValue, DWORD dwType,
936
                                LPVOID pvData, DWORD cbData, DWORD dwFlags)
937
{
938
    DWORD dummy;
939 940
    LPSHUSKEY hKey = (LPSHUSKEY)hUSKey;
    LONG ret = ERROR_SUCCESS;
941

942
    TRACE("(%p,%s,%d,%p,%d,%d)\n", hUSKey, debugstr_w(pszValue),
943 944 945 946 947 948 949 950 951 952 953 954
          dwType, pvData, cbData, dwFlags);

    if (!hUSKey || IsBadWritePtr(hUSKey, sizeof(SHUSKEY)) ||
        !(dwFlags & (SHREGSET_FORCE_HKCU|SHREGSET_FORCE_HKLM)))
        return ERROR_INVALID_PARAMETER;

    if (dwFlags & (SHREGSET_FORCE_HKCU|SHREGSET_HKCU))
    {
        if (!hKey->HKCUkey)
        {
            /* Create the key */
            ret = RegCreateKeyW(hKey->HKCUstart, hKey->lpszPath, &hKey->HKCUkey);
955
            TRACE("Creating HKCU key, ret = %d\n", ret);
956 957 958 959 960 961 962 963 964 965 966 967 968 969
            if (ret && (dwFlags & (SHREGSET_FORCE_HKCU)))
            {
                hKey->HKCUkey = 0;
                return ret;
            }
        }

        if (!ret)
        {
            if ((dwFlags & SHREGSET_FORCE_HKCU) ||
                RegQueryValueExW(hKey->HKCUkey, pszValue, NULL, NULL, NULL, &dummy))
            {
                /* Doesn't exist or we are forcing: Write value */
                ret = RegSetValueExW(hKey->HKCUkey, pszValue, 0, dwType, pvData, cbData);
970
                TRACE("Writing HKCU value, ret = %d\n", ret);
971 972
            }
        }
973 974
    }

975 976 977 978 979 980
    if (dwFlags & (SHREGSET_FORCE_HKLM|SHREGSET_HKLM))
    {
        if (!hKey->HKLMkey)
        {
            /* Create the key */
            ret = RegCreateKeyW(hKey->HKLMstart, hKey->lpszPath, &hKey->HKLMkey);
981
            TRACE("Creating HKLM key, ret = %d\n", ret);
982 983 984 985 986 987 988 989 990 991 992 993 994 995
            if (ret && (dwFlags & (SHREGSET_FORCE_HKLM)))
            {
                hKey->HKLMkey = 0;
                return ret;
            }
        }

        if (!ret)
        {
            if ((dwFlags & SHREGSET_FORCE_HKLM) ||
                RegQueryValueExW(hKey->HKLMkey, pszValue, NULL, NULL, NULL, &dummy))
            {
                /* Doesn't exist or we are forcing: Write value */
                ret = RegSetValueExW(hKey->HKLMkey, pszValue, 0, dwType, pvData, cbData);
996
                TRACE("Writing HKLM value, ret = %d\n", ret);
997 998
            }
        }
999 1000
    }

1001
    return ret;
1002 1003
}

1004 1005
/*************************************************************************
 * SHRegGetPathA   [SHLWAPI.@]
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
 *
 * Get a path from the registry.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key containing path to get
 *   lpszValue  [I] Name of value containing path to get
 *   lpszPath   [O] Buffer for returned path
 *   dwFlags    [I] Reserved
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. lpszPath contains the path.
Jon Griffiths's avatar
Jon Griffiths committed
1018
 *   Failure: An error code from RegOpenKeyExA() or SHQueryValueExA().
1019
 */
1020 1021
DWORD WINAPI SHRegGetPathA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue,
                           LPSTR lpszPath, DWORD dwFlags)
1022
{
1023
  DWORD dwSize = MAX_PATH;
1024

1025
  TRACE("(hkey=%p,%s,%s,%p,%d)\n", hKey, debugstr_a(lpszSubKey),
1026 1027
        debugstr_a(lpszValue), lpszPath, dwFlags);

1028
  return SHGetValueA(hKey, lpszSubKey, lpszValue, 0, lpszPath, &dwSize);
1029 1030 1031 1032
}

/*************************************************************************
 * SHRegGetPathW   [SHLWAPI.@]
1033 1034
 *
 * See SHRegGetPathA.
1035
 */
1036 1037
DWORD WINAPI SHRegGetPathW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue,
                           LPWSTR lpszPath, DWORD dwFlags)
1038
{
1039
  DWORD dwSize = MAX_PATH;
1040

1041
  TRACE("(hkey=%p,%s,%s,%p,%d)\n", hKey, debugstr_w(lpszSubKey),
1042 1043
        debugstr_w(lpszValue), lpszPath, dwFlags);

1044
  return SHGetValueW(hKey, lpszSubKey, lpszValue, 0, lpszPath, &dwSize);
1045 1046
}

1047

1048
/*************************************************************************
1049 1050 1051
 * SHRegSetPathA   [SHLWAPI.@]
 *
 * Write a path to the registry.
1052
 *
1053 1054 1055 1056 1057
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key containing path to set
 *   lpszValue  [I] Name of value containing path to set
 *   lpszPath   [O] Path to write
Jon Griffiths's avatar
Jon Griffiths committed
1058
 *   dwFlags    [I] Reserved, must be 0.
1059 1060 1061
 *
 * RETURNS
 *   Success: ERROR_SUCCESS.
Jon Griffiths's avatar
Jon Griffiths committed
1062
 *   Failure: An error code from SHSetValueA().
1063
 */
1064 1065 1066 1067 1068
DWORD WINAPI SHRegSetPathA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue,
                           LPCSTR lpszPath, DWORD dwFlags)
{
  char szBuff[MAX_PATH];

1069
  FIXME("(hkey=%p,%s,%s,%p,%d) - semi-stub\n",hKey, debugstr_a(lpszSubKey),
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086
        debugstr_a(lpszValue), lpszPath, dwFlags);

  lstrcpyA(szBuff, lpszPath);

  /* FIXME: PathUnExpandEnvStringsA(szBuff); */

  return SHSetValueA(hKey,lpszSubKey, lpszValue, REG_SZ, szBuff,
                     lstrlenA(szBuff));
}

/*************************************************************************
 * SHRegSetPathW   [SHLWAPI.@]
 *
 * See SHRegSetPathA.
 */
DWORD WINAPI SHRegSetPathW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue,
                           LPCWSTR lpszPath, DWORD dwFlags)
1087
{
1088 1089
  WCHAR szBuff[MAX_PATH];

1090
  FIXME("(hkey=%p,%s,%s,%p,%d) - semi-stub\n",hKey, debugstr_w(lpszSubKey),
1091 1092 1093 1094 1095
        debugstr_w(lpszValue), lpszPath, dwFlags);

  lstrcpyW(szBuff, lpszPath);

  /* FIXME: PathUnExpandEnvStringsW(szBuff); */
1096

1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115
  return SHSetValueW(hKey,lpszSubKey, lpszValue, REG_SZ, szBuff,
                     lstrlenW(szBuff));
}

/*************************************************************************
 * SHGetValueA   [SHLWAPI.@]
 *
 * Get a value from the registry.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key containing value to get
 *   lpszValue  [I] Name of value to get
 *   pwType     [O] Pointer to the values type
 *   pvData     [O] Pointer to the values data
 *   pcbData    [O] Pointer to the values size
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. Output parameters contain the details read.
Jon Griffiths's avatar
Jon Griffiths committed
1116
 *   Failure: An error code from RegOpenKeyExA() or SHQueryValueExA().
1117 1118 1119 1120
 */
DWORD WINAPI SHGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue,
                         LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
{
1121 1122
  DWORD dwRet = 0;
  HKEY hSubKey = 0;
1123

1124
  TRACE("(hkey=%p,%s,%s,%p,%p,%p)\n", hKey, debugstr_a(lpszSubKey),
1125
        debugstr_a(lpszValue), pwType, pvData, pcbData);
1126

1127 1128 1129
  /*   lpszSubKey can be 0. In this case the value is taken from the
   *   current key.
   */
1130
  if(lpszSubKey)
1131 1132 1133
    dwRet = RegOpenKeyExA(hKey, lpszSubKey, 0, KEY_QUERY_VALUE, &hSubKey);

  if (! dwRet)
1134
  {
1135 1136 1137
    /* SHQueryValueEx expands Environment strings */
    dwRet = SHQueryValueExA(hSubKey ? hSubKey : hKey, lpszValue, 0, pwType, pvData, pcbData);
    if (hSubKey) RegCloseKey(hSubKey);
1138 1139
  }
  return dwRet;
1140 1141
}

1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
/*************************************************************************
 * SHRegGetValueA   [SHLWAPI.@]
 *
 * Get a value from the registry.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key containing value to get
 *   lpszValue  [I] Name of value to get
 *   srrf       [I] Flags for restricting returned data
 *   pwType     [O] Pointer to the values type
 *   pvData     [O] Pointer to the values data
 *   pcbData    [O] Pointer to the values size
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. Output parameters contain the details read.
 *   Failure: An error code from RegOpenKeyExA() or SHQueryValueExA().
 */
DWORD WINAPI SHRegGetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue, DWORD srrfFlags,
                         LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
{
  DWORD dwRet = 0;
  HKEY hSubKey = 0;

  TRACE("(hkey=%p,%s,%s,%p,%p,%p)\n", hKey, debugstr_a(lpszSubKey),
        debugstr_a(lpszValue), pwType, pvData, pcbData);
1168
  FIXME("Semi-Stub: Find meaning and implement handling of SRFF Flags 0x%08x\n", srrfFlags);
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190

  dwRet = RegOpenKeyExA(hKey, lpszSubKey, 0, KEY_QUERY_VALUE, &hSubKey);
  if (! dwRet)
  {
    /* SHQueryValueEx expands Environment strings */
    dwRet = SHQueryValueExA(hSubKey, lpszValue, 0, pwType, pvData, pcbData);
    RegCloseKey(hSubKey);
  }
  return dwRet;
}

/*************************************************************************
 * SHReg GetRegValueW   [SHLWAPI.@]
 *
 * See SHGetValueA.
 */
DWORD WINAPI SHRegGetValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue, DWORD srrfFlags,
                         LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
{
  DWORD dwRet = 0;
  HKEY hSubKey = 0;

1191
  TRACE("(hkey=%p,%s,%s,0x%08x, %p,%p,%p)\n", hKey, debugstr_w(lpszSubKey),
1192
        debugstr_w(lpszValue), srrfFlags,pwType, pvData, pcbData);
1193
  FIXME("Semi-Stub: Find meaning and implement handling of SRFF Flags 0x%08x\n", srrfFlags);
1194 1195 1196 1197 1198 1199 1200 1201 1202 1203

  dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_QUERY_VALUE, &hSubKey);
  if (! dwRet)
  {
    dwRet = SHQueryValueExW(hSubKey, lpszValue, 0, pwType, pvData, pcbData);
    RegCloseKey(hSubKey);
  }
  return dwRet;
}

1204 1205 1206
/*************************************************************************
 * SHGetValueW   [SHLWAPI.@]
 *
1207
 * See SHGetValueA.
1208
 */
1209 1210
DWORD WINAPI SHGetValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue,
                         LPDWORD pwType, LPVOID pvData, LPDWORD pcbData)
1211
{
1212 1213
  DWORD dwRet = 0;
  HKEY hSubKey = 0;
1214

1215
  TRACE("(hkey=%p,%s,%s,%p,%p,%p)\n", hKey, debugstr_w(lpszSubKey),
1216
        debugstr_w(lpszValue), pwType, pvData, pcbData);
1217

1218
  if(lpszSubKey)
1219 1220 1221
    dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_QUERY_VALUE, &hSubKey);

  if (! dwRet)
1222
  {
1223 1224
    dwRet = SHQueryValueExW(hSubKey ? hSubKey : hKey, lpszValue, 0, pwType, pvData, pcbData);
    if (hSubKey) RegCloseKey(hSubKey);
1225 1226 1227
  }
  return dwRet;
}
1228

1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243
/*************************************************************************
 * SHSetValueA   [SHLWAPI.@]
 *
 * Set a value in the registry.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key under hKey
 *   lpszValue  [I] Name of value to set
 *   dwType     [I] Type of the value
 *   pvData     [I] Data of the value
 *   cbData     [I] Size of the value
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. The value is set with the data given.
Jon Griffiths's avatar
Jon Griffiths committed
1244
 *   Failure: An error code from RegCreateKeyExA() or RegSetValueExA()
1245 1246
 *
 * NOTES
Jon Griffiths's avatar
Jon Griffiths committed
1247 1248
 *   If lpszSubKey does not exist, it is created before the value is set. If
 *   lpszSubKey is NULL or an empty string, then the value is added directly
1249 1250 1251 1252 1253 1254 1255 1256
 *   to hKey instead.
 */
DWORD WINAPI SHSetValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue,
                         DWORD dwType, LPCVOID pvData, DWORD cbData)
{
  DWORD dwRet = ERROR_SUCCESS, dwDummy;
  HKEY  hSubKey;

1257
  TRACE("(hkey=%p,%s,%s,%d,%p,%d)\n", hKey, debugstr_a(lpszSubKey),
1258 1259 1260
          debugstr_a(lpszValue), dwType, pvData, cbData);

  if (lpszSubKey && *lpszSubKey)
1261
    dwRet = RegCreateKeyExA(hKey, lpszSubKey, 0, NULL,
1262 1263 1264 1265 1266 1267 1268 1269 1270 1271
                            0, KEY_SET_VALUE, NULL, &hSubKey, &dwDummy);
  else
    hSubKey = hKey;
  if (!dwRet)
  {
    dwRet = RegSetValueExA(hSubKey, lpszValue, 0, dwType, pvData, cbData);
    if (hSubKey != hKey)
      RegCloseKey(hSubKey);
  }
  return dwRet;
1272 1273 1274
}

/*************************************************************************
1275 1276 1277
 * SHSetValueW   [SHLWAPI.@]
 *
 * See SHSetValueA.
1278
 */
1279 1280
DWORD WINAPI SHSetValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue,
                         DWORD dwType, LPCVOID pvData, DWORD cbData)
1281
{
1282 1283 1284
  DWORD dwRet = ERROR_SUCCESS, dwDummy;
  HKEY  hSubKey;

1285
  TRACE("(hkey=%p,%s,%s,%d,%p,%d)\n", hKey, debugstr_w(lpszSubKey),
1286 1287 1288
        debugstr_w(lpszValue), dwType, pvData, cbData);

  if (lpszSubKey && *lpszSubKey)
1289
    dwRet = RegCreateKeyExW(hKey, lpszSubKey, 0, NULL,
1290 1291 1292 1293 1294 1295 1296 1297 1298 1299
                            0, KEY_SET_VALUE, NULL, &hSubKey, &dwDummy);
  else
    hSubKey = hKey;
  if (!dwRet)
  {
    dwRet = RegSetValueExW(hSubKey, lpszValue, 0, dwType, pvData, cbData);
    if (hSubKey != hKey)
      RegCloseKey(hSubKey);
  }
  return dwRet;
1300 1301 1302
}

/*************************************************************************
1303 1304
 * SHQueryInfoKeyA   [SHLWAPI.@]
 *
Jon Griffiths's avatar
Jon Griffiths committed
1305
 * Get information about a registry key. See RegQueryInfoKeyA().
Jon Griffiths's avatar
Jon Griffiths committed
1306 1307 1308
 *
 * RETURNS
 *  The result of calling RegQueryInfoKeyA().
1309
 */
1310 1311
LONG WINAPI SHQueryInfoKeyA(HKEY hKey, LPDWORD pwSubKeys, LPDWORD pwSubKeyMax,
                            LPDWORD pwValues, LPDWORD pwValueMax)
1312
{
1313
  TRACE("(hkey=%p,%p,%p,%p,%p)\n", hKey, pwSubKeys, pwSubKeyMax,
1314 1315 1316
        pwValues, pwValueMax);
  return RegQueryInfoKeyA(hKey, NULL, NULL, NULL, pwSubKeys, pwSubKeyMax,
                          NULL, pwValues, pwValueMax, NULL, NULL, NULL);
1317 1318 1319
}

/*************************************************************************
1320
 * SHQueryInfoKeyW   [SHLWAPI.@]
1321
 *
Jon Griffiths's avatar
Jon Griffiths committed
1322
 * See SHQueryInfoKeyA.
1323
 */
1324 1325
LONG WINAPI SHQueryInfoKeyW(HKEY hKey, LPDWORD pwSubKeys, LPDWORD pwSubKeyMax,
                            LPDWORD pwValues, LPDWORD pwValueMax)
1326
{
1327
  TRACE("(hkey=%p,%p,%p,%p,%p)\n", hKey, pwSubKeys, pwSubKeyMax,
1328 1329 1330
        pwValues, pwValueMax);
  return RegQueryInfoKeyW(hKey, NULL, NULL, NULL, pwSubKeys, pwSubKeyMax,
                          NULL, pwValues, pwValueMax, NULL, NULL, NULL);
1331 1332
}

1333 1334 1335 1336 1337 1338 1339
/*************************************************************************
 * SHQueryValueExA   [SHLWAPI.@]
 *
 * Get a value from the registry, expanding environment variable strings.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
1340
 *   lpszValue  [I] Name of value to query
1341 1342 1343 1344 1345 1346
 *   lpReserved [O] Reserved for future use; must be NULL
 *   pwType     [O] Optional pointer updated with the values type
 *   pvData     [O] Optional pointer updated with the values data
 *   pcbData    [O] Optional pointer updated with the values size
 *
 * RETURNS
Jon Griffiths's avatar
Jon Griffiths committed
1347
 *   Success: ERROR_SUCCESS. Any non NULL output parameters are updated with
1348 1349 1350
 *            information about the value.
 *   Failure: ERROR_OUTOFMEMORY if memory allocation fails, or the type of the
 *            data is REG_EXPAND_SZ and pcbData is NULL. Otherwise an error
Jon Griffiths's avatar
Jon Griffiths committed
1351
 *            code from RegQueryValueExA() or ExpandEnvironmentStringsA().
1352 1353 1354 1355 1356 1357 1358 1359
 *
 * NOTES
 *   Either pwType, pvData or pcbData may be NULL if the caller doesn't want
 *   the type, data or size information for the value.
 *
 *   If the type of the data is REG_EXPAND_SZ, it is expanded to REG_SZ. The
 *   value returned will be truncated if it is of type REG_SZ and bigger than
 *   the buffer given to store it.
Juergen Schmied's avatar
Juergen Schmied committed
1360
 *
Jon Griffiths's avatar
Jon Griffiths committed
1361 1362
 *   REG_EXPAND_SZ:
 *     case-1: the unexpanded string is smaller than the expanded one
1363
 *       subcase-1: the buffer is too small to hold the unexpanded string:
Juergen Schmied's avatar
Juergen Schmied committed
1364 1365
 *          function fails and returns the size of the unexpanded string.
 *
1366
 *       subcase-2: buffer is too small to hold the expanded string:
Juergen Schmied's avatar
Juergen Schmied committed
1367
 *          the function return success (!!) and the result is truncated
1368
 *	    *** This is clearly an error in the native implementation. ***
Juergen Schmied's avatar
Juergen Schmied committed
1369
 *
Jon Griffiths's avatar
Jon Griffiths committed
1370
 *     case-2: the unexpanded string is bigger than the expanded one
Juergen Schmied's avatar
Juergen Schmied committed
1371 1372 1373
 *       The buffer must have enough space to hold the unexpanded
 *       string even if the result is smaller.
 *
1374
 */
1375 1376 1377
DWORD WINAPI SHQueryValueExA( HKEY hKey, LPCSTR lpszValue,
                              LPDWORD lpReserved, LPDWORD pwType,
                              LPVOID pvData, LPDWORD pcbData)
1378
{
1379 1380
  DWORD dwRet, dwType, dwUnExpDataLen = 0, dwExpDataLen;

1381
  TRACE("(hkey=%p,%s,%p,%p,%p,%p=%d)\n", hKey, debugstr_a(lpszValue),
1382 1383
        lpReserved, pwType, pvData, pcbData, pcbData ? *pcbData : 0);

1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394
  if (pcbData) dwUnExpDataLen = *pcbData;

  dwRet = RegQueryValueExA(hKey, lpszValue, lpReserved, &dwType, pvData, &dwUnExpDataLen);

  if (pcbData && (dwType == REG_EXPAND_SZ))
  {
    DWORD nBytesToAlloc;

    /* Expand type REG_EXPAND_SZ into REG_SZ */
    LPSTR szData;

1395
    /* If the caller didn't supply a buffer or the buffer is too small we have
1396 1397 1398
     * to allocate our own
     */
    if ((!pvData) || (dwRet == ERROR_MORE_DATA) )
1399
    {
1400
      char cNull = '\0';
1401
      nBytesToAlloc = dwUnExpDataLen;
1402

1403
      szData = (LPSTR) LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc);
1404 1405 1406 1407 1408 1409 1410
      RegQueryValueExA (hKey, lpszValue, lpReserved, NULL, (LPBYTE)szData, &nBytesToAlloc);
      dwExpDataLen = ExpandEnvironmentStringsA(szData, &cNull, 1);
      dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
      LocalFree((HLOCAL) szData);
    }
    else
    {
1411
      nBytesToAlloc = (lstrlenA(pvData)+1) * sizeof (CHAR);
1412
      szData = (LPSTR) LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc );
1413 1414
      lstrcpyA(szData, pvData);
      dwExpDataLen = ExpandEnvironmentStringsA(szData, pvData, *pcbData / sizeof(CHAR));
1415
      if (dwExpDataLen > *pcbData) dwRet = ERROR_MORE_DATA;
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
      dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
      LocalFree((HLOCAL) szData);
    }
  }

  /* Update the type and data size if the caller wanted them */
  if ( dwType == REG_EXPAND_SZ ) dwType = REG_SZ;
  if ( pwType ) *pwType = dwType;
  if ( pcbData ) *pcbData = dwUnExpDataLen;
  return dwRet;
1426
}
1427

1428

1429 1430 1431
/*************************************************************************
 * SHQueryValueExW   [SHLWAPI.@]
 *
1432
 * See SHQueryValueExA.
1433
 */
1434 1435 1436
DWORD WINAPI SHQueryValueExW(HKEY hKey, LPCWSTR lpszValue,
                             LPDWORD lpReserved, LPDWORD pwType,
                             LPVOID pvData, LPDWORD pcbData)
1437
{
1438 1439
  DWORD dwRet, dwType, dwUnExpDataLen = 0, dwExpDataLen;

1440
  TRACE("(hkey=%p,%s,%p,%p,%p,%p=%d)\n", hKey, debugstr_w(lpszValue),
1441 1442
        lpReserved, pwType, pvData, pcbData, pcbData ? *pcbData : 0);

1443 1444 1445
  if (pcbData) dwUnExpDataLen = *pcbData;

  dwRet = RegQueryValueExW(hKey, lpszValue, lpReserved, &dwType, pvData, &dwUnExpDataLen);
1446 1447
  if (dwRet!=ERROR_SUCCESS && dwRet!=ERROR_MORE_DATA)
      return dwRet;
1448 1449 1450 1451 1452 1453 1454 1455

  if (pcbData && (dwType == REG_EXPAND_SZ))
  {
    DWORD nBytesToAlloc;

    /* Expand type REG_EXPAND_SZ into REG_SZ */
    LPWSTR szData;

1456
    /* If the caller didn't supply a buffer or the buffer is too small we have
1457 1458 1459
     * to allocate our own
     */
    if ((!pvData) || (dwRet == ERROR_MORE_DATA) )
1460
    {
1461
      WCHAR cNull = '\0';
1462
      nBytesToAlloc = dwUnExpDataLen;
1463

1464
      szData = (LPWSTR) LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc);
1465 1466 1467 1468 1469 1470 1471
      RegQueryValueExW (hKey, lpszValue, lpReserved, NULL, (LPBYTE)szData, &nBytesToAlloc);
      dwExpDataLen = ExpandEnvironmentStringsW(szData, &cNull, 1);
      dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
      LocalFree((HLOCAL) szData);
    }
    else
    {
1472
      nBytesToAlloc = (lstrlenW(pvData) + 1) * sizeof(WCHAR);
1473
      szData = (LPWSTR) LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc );
1474 1475
      lstrcpyW(szData, pvData);
      dwExpDataLen = ExpandEnvironmentStringsW(szData, pvData, *pcbData/sizeof(WCHAR) );
1476
      if (dwExpDataLen > *pcbData) dwRet = ERROR_MORE_DATA;
1477 1478 1479 1480 1481 1482 1483 1484 1485 1486
      dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
      LocalFree((HLOCAL) szData);
    }
  }

  /* Update the type and data size if the caller wanted them */
  if ( dwType == REG_EXPAND_SZ ) dwType = REG_SZ;
  if ( pwType ) *pwType = dwType;
  if ( pcbData ) *pcbData = dwUnExpDataLen;
  return dwRet;
1487 1488 1489 1490
}

/*************************************************************************
 * SHDeleteKeyA   [SHLWAPI.@]
1491
 *
1492
 * Delete a registry key and any sub keys/values present
1493
 *
1494 1495 1496
 * This function forwards to the unicode version directly, to avoid
 * handling subkeys that are not representable in ASCII.
 *
1497 1498 1499 1500 1501 1502
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key to delete
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. The key is deleted.
Jon Griffiths's avatar
Jon Griffiths committed
1503 1504
 *   Failure: An error code from RegOpenKeyExA(), RegQueryInfoKeyA(),
 *            RegEnumKeyExA() or RegDeleteKeyA().
1505
 */
1506
DWORD WINAPI SHDeleteKeyA(HKEY hKey, LPCSTR lpszSubKey)
1507
{
1508
  WCHAR subkeyW[MAX_PATH];
1509

1510 1511
  MultiByteToWideChar (CP_ACP, 0, lpszSubKey, -1, subkeyW, sizeof(subkeyW)/sizeof(WCHAR));
  return SHDeleteKeyW(hKey, subkeyW);
1512 1513 1514 1515 1516 1517 1518 1519 1520
}

/*************************************************************************
 * SHDeleteKeyW   [SHLWAPI.@]
 *
 * See SHDeleteKeyA.
 */
DWORD WINAPI SHDeleteKeyW(HKEY hKey, LPCWSTR lpszSubKey)
{
1521
  DWORD dwRet, dwMaxSubkeyLen = 0, dwSize;
1522 1523 1524
  WCHAR szNameBuf[MAX_PATH], *lpszName = szNameBuf;
  HKEY hSubKey = 0;

1525
  TRACE("(hkey=%p,%s)\n", hKey, debugstr_w(lpszSubKey));
1526 1527 1528 1529

  dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
  if(!dwRet)
  {
1530 1531
    /* Find the maximum subkey length so that we can allocate a buffer */
    dwRet = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, NULL,
1532 1533
                             &dwMaxSubkeyLen, NULL, NULL, NULL, NULL, NULL, NULL);
    if(!dwRet)
1534
    {
1535 1536 1537 1538 1539 1540 1541 1542 1543
      dwMaxSubkeyLen++;
      if (dwMaxSubkeyLen > sizeof(szNameBuf)/sizeof(WCHAR))
        /* Name too big: alloc a buffer for it */
        lpszName = HeapAlloc(GetProcessHeap(), 0, dwMaxSubkeyLen*sizeof(WCHAR));

      if(!lpszName)
        dwRet = ERROR_NOT_ENOUGH_MEMORY;
      else
      {
1544
        while (dwRet == ERROR_SUCCESS)
1545 1546
        {
          dwSize = dwMaxSubkeyLen;
1547 1548
          dwRet = RegEnumKeyExW(hSubKey, 0, lpszName, &dwSize, NULL, NULL, NULL, NULL);
          if (dwRet == ERROR_SUCCESS || dwRet == ERROR_MORE_DATA)
1549 1550
            dwRet = SHDeleteKeyW(hSubKey, lpszName);
        }
1551 1552 1553
        if (dwRet == ERROR_NO_MORE_ITEMS)
          dwRet = ERROR_SUCCESS;
    
1554 1555 1556
        if (lpszName != szNameBuf)
          HeapFree(GetProcessHeap(), 0, lpszName); /* Free buffer if allocated */
      }
1557 1558
    }

1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577
    RegCloseKey(hSubKey);
    if(!dwRet)
      dwRet = RegDeleteKeyW(hKey, lpszSubKey);
  }
  return dwRet;
}

/*************************************************************************
 * SHDeleteEmptyKeyA   [SHLWAPI.@]
 *
 * Delete a registry key with no sub keys.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key to delete
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. The key is deleted.
 *   Failure: If the key is not empty, returns ERROR_KEY_HAS_CHILDREN. Otherwise
Jon Griffiths's avatar
Jon Griffiths committed
1578 1579
 *            returns an error code from RegOpenKeyExA(), RegQueryInfoKeyA() or
 *            RegDeleteKeyA().
1580 1581 1582 1583 1584 1585
 */
DWORD WINAPI SHDeleteEmptyKeyA(HKEY hKey, LPCSTR lpszSubKey)
{
  DWORD dwRet, dwKeyCount = 0;
  HKEY hSubKey = 0;

1586
  TRACE("(hkey=%p,%s)\n", hKey, debugstr_a(lpszSubKey));
1587 1588 1589 1590 1591 1592 1593 1594

  dwRet = RegOpenKeyExA(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
  if(!dwRet)
  {
    dwRet = RegQueryInfoKeyA(hSubKey, NULL, NULL, NULL, &dwKeyCount,
                             NULL, NULL, NULL, NULL, NULL, NULL, NULL);
    RegCloseKey(hSubKey);
    if(!dwRet)
1595
    {
1596 1597 1598 1599
      if (!dwKeyCount)
        dwRet = RegDeleteKeyA(hKey, lpszSubKey);
      else
        dwRet = ERROR_KEY_HAS_CHILDREN;
1600
    }
1601 1602 1603
  }
  return dwRet;
}
1604

1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
/*************************************************************************
 * SHDeleteEmptyKeyW   [SHLWAPI.@]
 *
 * See SHDeleteEmptyKeyA.
 */
DWORD WINAPI SHDeleteEmptyKeyW(HKEY hKey, LPCWSTR lpszSubKey)
{
  DWORD dwRet, dwKeyCount = 0;
  HKEY hSubKey = 0;

1615
  TRACE("(hkey=%p, %s)\n", hKey, debugstr_w(lpszSubKey));
1616

1617 1618 1619 1620 1621
  dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
  if(!dwRet)
  {
    dwRet = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, &dwKeyCount,
                             NULL, NULL, NULL, NULL, NULL, NULL, NULL);
1622
    RegCloseKey(hSubKey);
1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
    if(!dwRet)
    {
      if (!dwKeyCount)
        dwRet = RegDeleteKeyW(hKey, lpszSubKey);
      else
        dwRet = ERROR_KEY_HAS_CHILDREN;
    }
  }
  return dwRet;
}

/*************************************************************************
 * SHDeleteOrphanKeyA   [SHLWAPI.@]
 *
 * Delete a registry key with no sub keys or values.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key to possibly delete
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. The key has been deleted if it was an orphan.
Jon Griffiths's avatar
Jon Griffiths committed
1645
 *   Failure: An error from RegOpenKeyExA(), RegQueryValueExA(), or RegDeleteKeyA().
1646 1647 1648 1649 1650 1651
 */
DWORD WINAPI SHDeleteOrphanKeyA(HKEY hKey, LPCSTR lpszSubKey)
{
  HKEY hSubKey;
  DWORD dwKeyCount = 0, dwValueCount = 0, dwRet;

1652
  TRACE("(hkey=%p,%s)\n", hKey, debugstr_a(lpszSubKey));
1653 1654

  dwRet = RegOpenKeyExA(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
1655

1656 1657 1658 1659 1660
  if(!dwRet)
  {
    /* Get subkey and value count */
    dwRet = RegQueryInfoKeyA(hSubKey, NULL, NULL, NULL, &dwKeyCount,
                             NULL, NULL, &dwValueCount, NULL, NULL, NULL, NULL);
1661

1662 1663 1664 1665 1666 1667 1668
    if(!dwRet && !dwKeyCount && !dwValueCount)
    {
      dwRet = RegDeleteKeyA(hKey, lpszSubKey);
    }
    RegCloseKey(hSubKey);
  }
  return dwRet;
1669 1670 1671
}

/*************************************************************************
1672
 * SHDeleteOrphanKeyW   [SHLWAPI.@]
1673
 *
1674
 * See SHDeleteOrphanKeyA.
1675
 */
1676
DWORD WINAPI SHDeleteOrphanKeyW(HKEY hKey, LPCWSTR lpszSubKey)
1677
{
1678 1679 1680
  HKEY hSubKey;
  DWORD dwKeyCount = 0, dwValueCount = 0, dwRet;

1681
  TRACE("(hkey=%p,%s)\n", hKey, debugstr_w(lpszSubKey));
1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697

  dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);

  if(!dwRet)
  {
    /* Get subkey and value count */
    dwRet = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, &dwKeyCount,
                             NULL, NULL, &dwValueCount, NULL, NULL, NULL, NULL);

    if(!dwRet && !dwKeyCount && !dwValueCount)
    {
      dwRet = RegDeleteKeyW(hKey, lpszSubKey);
    }
    RegCloseKey(hSubKey);
  }
  return dwRet;
1698
}
1699

1700 1701 1702
/*************************************************************************
 * SHDeleteValueA   [SHLWAPI.@]
 *
1703 1704 1705 1706 1707 1708 1709 1710 1711
 * Delete a value from the registry.
 *
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   lpszSubKey [I] Name of sub key containing value to delete
 *   lpszValue  [I] Name of value to delete
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. The value is deleted.
Jon Griffiths's avatar
Jon Griffiths committed
1712
 *   Failure: An error code from RegOpenKeyExA() or RegDeleteValueA().
1713
 */
1714 1715 1716 1717 1718
DWORD WINAPI SHDeleteValueA(HKEY hKey, LPCSTR lpszSubKey, LPCSTR lpszValue)
{
  DWORD dwRet;
  HKEY hSubKey;

1719
  TRACE("(hkey=%p,%s,%s)\n", hKey, debugstr_a(lpszSubKey), debugstr_a(lpszValue));
1720 1721 1722 1723 1724 1725 1726 1727

  dwRet = RegOpenKeyExA(hKey, lpszSubKey, 0, KEY_SET_VALUE, &hSubKey);
  if (!dwRet)
  {
    dwRet = RegDeleteValueA(hSubKey, lpszValue);
    RegCloseKey(hSubKey);
  }
  return dwRet;
1728 1729 1730 1731 1732
}

/*************************************************************************
 * SHDeleteValueW   [SHLWAPI.@]
 *
1733
 * See SHDeleteValueA.
1734
 */
1735 1736 1737 1738 1739
DWORD WINAPI SHDeleteValueW(HKEY hKey, LPCWSTR lpszSubKey, LPCWSTR lpszValue)
{
  DWORD dwRet;
  HKEY hSubKey;

1740
  TRACE("(hkey=%p,%s,%s)\n", hKey, debugstr_w(lpszSubKey), debugstr_w(lpszValue));
1741 1742 1743 1744 1745 1746 1747 1748

  dwRet = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_SET_VALUE, &hSubKey);
  if (!dwRet)
  {
    dwRet = RegDeleteValueW(hSubKey, lpszValue);
    RegCloseKey(hSubKey);
  }
  return dwRet;
1749 1750
}

1751
/*************************************************************************
1752 1753 1754
 * SHEnumKeyExA   [SHLWAPI.@]
 *
 * Enumerate sub keys in a registry key.
1755
 *
1756 1757 1758 1759 1760
 * PARAMS
 *   hKey       [I] Handle to registry key
 *   dwIndex    [I] Index of key to enumerate
 *   lpszSubKey [O] Pointer updated with the subkey name
 *   pwLen      [O] Pointer updated with the subkey length
1761
 *
Jon Griffiths's avatar
Jon Griffiths committed
1762
 * RETURNS
1763
 *   Success: ERROR_SUCCESS. lpszSubKey and pwLen are updated.
Jon Griffiths's avatar
Jon Griffiths committed
1764
 *   Failure: An error code from RegEnumKeyExA().
1765
 */
1766 1767
LONG WINAPI SHEnumKeyExA(HKEY hKey, DWORD dwIndex, LPSTR lpszSubKey,
                         LPDWORD pwLen)
1768
{
1769
  TRACE("(hkey=%p,%d,%s,%p)\n", hKey, dwIndex, debugstr_a(lpszSubKey), pwLen);
1770

1771 1772
  return RegEnumKeyExA(hKey, dwIndex, lpszSubKey, pwLen, NULL, NULL, NULL, NULL);
}
1773

1774 1775 1776 1777 1778 1779 1780 1781
/*************************************************************************
 * SHEnumKeyExW   [SHLWAPI.@]
 *
 * See SHEnumKeyExA.
 */
LONG WINAPI SHEnumKeyExW(HKEY hKey, DWORD dwIndex, LPWSTR lpszSubKey,
                         LPDWORD pwLen)
{
1782
  TRACE("(hkey=%p,%d,%s,%p)\n", hKey, dwIndex, debugstr_w(lpszSubKey), pwLen);
1783

1784 1785
  return RegEnumKeyExW(hKey, dwIndex, lpszSubKey, pwLen, NULL, NULL, NULL, NULL);
}
1786

1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802
/*************************************************************************
 * SHEnumValueA   [SHLWAPI.@]
 *
 * Enumerate values in a registry key.
 *
 * PARAMS
 *   hKey      [I] Handle to registry key
 *   dwIndex   [I] Index of key to enumerate
 *   lpszValue [O] Pointer updated with the values name
 *   pwLen     [O] Pointer updated with the values length
 *   pwType    [O] Pointer updated with the values type
 *   pvData    [O] Pointer updated with the values data
 *   pcbData   [O] Pointer updated with the values size
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. Output parameters are updated.
Jon Griffiths's avatar
Jon Griffiths committed
1803
 *   Failure: An error code from RegEnumValueA().
1804 1805 1806 1807 1808
 */
LONG WINAPI SHEnumValueA(HKEY hKey, DWORD dwIndex, LPSTR lpszValue,
                         LPDWORD pwLen, LPDWORD pwType,
                         LPVOID pvData, LPDWORD pcbData)
{
1809
  TRACE("(hkey=%p,%d,%s,%p,%p,%p,%p)\n", hKey, dwIndex,
1810
        debugstr_a(lpszValue), pwLen, pwType, pvData, pcbData);
1811

1812 1813
  return RegEnumValueA(hKey, dwIndex, lpszValue, pwLen, NULL,
                       pwType, pvData, pcbData);
1814 1815 1816
}

/*************************************************************************
1817
 * SHEnumValueW   [SHLWAPI.@]
1818
 *
1819
 * See SHEnumValueA.
1820
 */
1821 1822 1823
LONG WINAPI SHEnumValueW(HKEY hKey, DWORD dwIndex, LPWSTR lpszValue,
                         LPDWORD pwLen, LPDWORD pwType,
                         LPVOID pvData, LPDWORD pcbData)
1824
{
1825
  TRACE("(hkey=%p,%d,%s,%p,%p,%p,%p)\n", hKey, dwIndex,
1826 1827 1828 1829
        debugstr_w(lpszValue), pwLen, pwType, pvData, pcbData);

  return RegEnumValueW(hKey, dwIndex, lpszValue, pwLen, NULL,
                       pwType, pvData, pcbData);
1830 1831
}

1832
/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1833
 * @   [SHLWAPI.205]
1834
 *
Jon Griffiths's avatar
Jon Griffiths committed
1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848
 * Get a value from the registry.
 *
 * PARAMS
 *   hKey    [I] Handle to registry key
 *   pSubKey [I] Name of sub key containing value to get
 *   pValue  [I] Name of value to get
 *   pwType  [O] Destination for the values type
 *   pvData  [O] Destination for the values data
 *   pbData  [O] Destination for the values size
 *
 * RETURNS
 *   Success: ERROR_SUCCESS. Output parameters contain the details read.
 *   Failure: An error code from RegOpenKeyExA() or SHQueryValueExA(),
 *            or ERROR_INVALID_FUNCTION in the machine is in safe mode.
1849
 */
1850
DWORD WINAPI SHGetValueGoodBootA(HKEY hkey, LPCSTR pSubKey, LPCSTR pValue,
1851 1852 1853 1854 1855 1856 1857 1858
                         LPDWORD pwType, LPVOID pvData, LPDWORD pbData)
{
  if (GetSystemMetrics(SM_CLEANBOOT))
    return ERROR_INVALID_FUNCTION;
  return SHGetValueA(hkey, pSubKey, pValue, pwType, pvData, pbData);
}

/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1859
 * @   [SHLWAPI.206]
1860
 *
1861
 * Unicode version of SHGetValueGoodBootW.
1862
 */
1863
DWORD WINAPI SHGetValueGoodBootW(HKEY hkey, LPCWSTR pSubKey, LPCWSTR pValue,
1864 1865 1866 1867 1868 1869 1870 1871
                         LPDWORD pwType, LPVOID pvData, LPDWORD pbData)
{
  if (GetSystemMetrics(SM_CLEANBOOT))
    return ERROR_INVALID_FUNCTION;
  return SHGetValueW(hkey, pSubKey, pValue, pwType, pvData, pbData);
}

/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1872
 * @   [SHLWAPI.320]
1873
 *
1874
 * Set a MIME content type in the registry.
1875 1876
 *
 * PARAMS
Jon Griffiths's avatar
Jon Griffiths committed
1877
 *   lpszSubKey [I] Name of key under HKEY_CLASSES_ROOT.
1878 1879 1880 1881 1882
 *   lpszValue  [I] Value to set
 *
 * RETURNS
 *   Success: TRUE
 *   Failure: FALSE
1883
 */
1884
BOOL WINAPI RegisterMIMETypeForExtensionA(LPCSTR lpszSubKey, LPCSTR lpszValue)
1885
{
1886 1887 1888 1889
  DWORD dwRet;

  if (!lpszValue)
  {
1890
    WARN("Invalid lpszValue would crash under Win32!\n");
1891 1892 1893 1894 1895 1896
    return FALSE;
  }

  dwRet = SHSetValueA(HKEY_CLASSES_ROOT, lpszSubKey, lpszContentTypeA,
                      REG_SZ, lpszValue, strlen(lpszValue));
  return dwRet ? FALSE : TRUE;
1897 1898 1899
}

/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1900
 * @   [SHLWAPI.321]
1901
 *
1902
 * Unicode version of RegisterMIMETypeForExtensionA.
1903
 */
1904
BOOL WINAPI RegisterMIMETypeForExtensionW(LPCWSTR lpszSubKey, LPCWSTR lpszValue)
1905
{
1906 1907 1908 1909
  DWORD dwRet;

  if (!lpszValue)
  {
1910
    WARN("Invalid lpszValue would crash under Win32!\n");
1911 1912 1913 1914 1915 1916
    return FALSE;
  }

  dwRet = SHSetValueW(HKEY_CLASSES_ROOT, lpszSubKey, lpszContentTypeW,
                      REG_SZ, lpszValue, strlenW(lpszValue));
  return dwRet ? FALSE : TRUE;
1917 1918 1919
}

/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1920
 * @   [SHLWAPI.322]
1921
 *
1922
 * Delete a MIME content type from the registry.
1923 1924 1925 1926 1927 1928 1929
 *
 * PARAMS
 *   lpszSubKey [I] Name of sub key
 *
 * RETURNS
 *   Success: TRUE
 *   Failure: FALSE
1930
 */
1931
BOOL WINAPI UnregisterMIMETypeForExtensionA(LPCSTR lpszSubKey)
1932 1933 1934 1935 1936 1937
{
  HRESULT ret = SHDeleteValueA(HKEY_CLASSES_ROOT, lpszSubKey, lpszContentTypeA);
  return ret ? FALSE : TRUE;
}

/*************************************************************************
Patrik Stridvall's avatar
Patrik Stridvall committed
1938
 * @   [SHLWAPI.323]
1939
 *
1940
 * Unicode version of UnregisterMIMETypeForExtensionA.
1941
 */
1942
BOOL WINAPI UnregisterMIMETypeForExtensionW(LPCWSTR lpszSubKey)
1943 1944 1945 1946 1947
{
  HRESULT ret = SHDeleteValueW(HKEY_CLASSES_ROOT, lpszSubKey, lpszContentTypeW);
  return ret ? FALSE : TRUE;
}

1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
/*************************************************************************
 * @   [SHLWAPI.328]
 *
 * Get the registry path to a MIME content key.
 *
 * PARAMS
 *   lpszType   [I] Content type to get the path for
 *   lpszBuffer [O] Destination for path
 *   dwLen      [I] Length of lpszBuffer
 *
 * RETURNS
 *   Success: TRUE. lpszBuffer contains the full path.
 *   Failure: FALSE.
 *
 * NOTES
 *   The base path for the key is "MIME\Database\Content Type\"
 */
1965
BOOL WINAPI GetMIMETypeSubKeyA(LPCSTR lpszType, LPSTR lpszBuffer, DWORD dwLen)
1966
{
1967
  TRACE("(%s,%p,%d)\n", debugstr_a(lpszType), lpszBuffer, dwLen);
1968 1969 1970

  if (dwLen > dwLenMimeDbContent && lpszType && lpszBuffer)
  {
Jon Griffiths's avatar
Jon Griffiths committed
1971
    size_t dwStrLen = strlen(lpszType);
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985

    if (dwStrLen < dwLen - dwLenMimeDbContent)
    {
      memcpy(lpszBuffer, szMimeDbContentA, dwLenMimeDbContent);
      memcpy(lpszBuffer + dwLenMimeDbContent, lpszType, dwStrLen + 1);
      return TRUE;
    }
  }
  return FALSE;
}

/*************************************************************************
 * @   [SHLWAPI.329]
 *
1986
 * Unicode version of GetMIMETypeSubKeyA.
1987
 */
1988
BOOL WINAPI GetMIMETypeSubKeyW(LPCWSTR lpszType, LPWSTR lpszBuffer, DWORD dwLen)
1989
{
1990
  TRACE("(%s,%p,%d)\n", debugstr_w(lpszType), lpszBuffer, dwLen);
1991 1992 1993 1994 1995 1996 1997

  if (dwLen > dwLenMimeDbContent && lpszType && lpszBuffer)
  {
    DWORD dwStrLen = strlenW(lpszType);

    if (dwStrLen < dwLen - dwLenMimeDbContent)
    {
1998
      memcpy(lpszBuffer, szMimeDbContentW, dwLenMimeDbContent * sizeof(WCHAR));
1999 2000 2001 2002 2003 2004 2005
      memcpy(lpszBuffer + dwLenMimeDbContent, lpszType, (dwStrLen + 1) * sizeof(WCHAR));
      return TRUE;
    }
  }
  return FALSE;
}

2006 2007 2008
/*************************************************************************
 * @   [SHLWAPI.330]
 *
2009
 * Get the file extension for a given Mime type.
2010 2011 2012
 *
 * PARAMS
 *  lpszType [I] Mime type to get the file extension for
2013 2014
 *  lpExt    [O] Destination for the resulting extension
 *  iLen     [I] Length of lpExt in characters
2015 2016 2017
 *
 * RETURNS
 *  Success: TRUE. lpExt contains the file extension.
2018
 *  Failure: FALSE, if any parameter is invalid or the extension cannot be
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076
 *           retrieved. If iLen > 0, lpExt is set to an empty string.
 *
 * NOTES
 *  - The extension returned in lpExt always has a leading '.' character, even
 *  if the registry Mime database entry does not.
 *  - iLen must be long enough for the file extension for this function to succeed.
 */
BOOL WINAPI MIME_GetExtensionA(LPCSTR lpszType, LPSTR lpExt, INT iLen)
{
  char szSubKey[MAX_PATH];
  DWORD dwlen = iLen - 1, dwType;
  BOOL bRet = FALSE;

  if (iLen > 0 && lpExt)
    *lpExt = '\0';

  if (lpszType && lpExt && iLen > 2 &&
      GetMIMETypeSubKeyA(lpszType, szSubKey, MAX_PATH) &&
      !SHGetValueA(HKEY_CLASSES_ROOT, szSubKey, szExtensionA, &dwType, lpExt + 1, &dwlen) &&
      lpExt[1])
  {
    if (lpExt[1] == '.')
      memmove(lpExt, lpExt + 1, strlen(lpExt + 1) + 1);
    else
      *lpExt = '.'; /* Supply a '.' */
    bRet = TRUE;
  }
  return bRet;
}

/*************************************************************************
 * @   [SHLWAPI.331]
 *
 * Unicode version of MIME_GetExtensionA.
 */
BOOL WINAPI MIME_GetExtensionW(LPCWSTR lpszType, LPWSTR lpExt, INT iLen)
{
  WCHAR szSubKey[MAX_PATH];
  DWORD dwlen = iLen - 1, dwType;
  BOOL bRet = FALSE;

  if (iLen > 0 && lpExt)
    *lpExt = '\0';

  if (lpszType && lpExt && iLen > 2 &&
      GetMIMETypeSubKeyW(lpszType, szSubKey, MAX_PATH) &&
      !SHGetValueW(HKEY_CLASSES_ROOT, szSubKey, szExtensionW, &dwType, lpExt + 1, &dwlen) &&
      lpExt[1])
  {
    if (lpExt[1] == '.')
      memmove(lpExt, lpExt + 1, (strlenW(lpExt + 1) + 1) * sizeof(WCHAR));
    else
      *lpExt = '.'; /* Supply a '.' */
    bRet = TRUE;
  }
  return bRet;
}

2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089
/*************************************************************************
 * @   [SHLWAPI.324]
 *
 * Set the file extension for a MIME content key.
 *
 * PARAMS
 *   lpszExt  [I] File extension to set
 *   lpszType [I] Content type to set the extension for
 *
 * RETURNS
 *   Success: TRUE. The file extension is set in the registry.
 *   Failure: FALSE.
 */
2090
BOOL WINAPI RegisterExtensionForMIMETypeA(LPCSTR lpszExt, LPCSTR lpszType)
2091 2092 2093 2094 2095 2096
{
  DWORD dwLen;
  char szKey[MAX_PATH];

  TRACE("(%s,%s)\n", debugstr_a(lpszExt), debugstr_a(lpszType));

2097
  if (!GetMIMETypeSubKeyA(lpszType, szKey, MAX_PATH)) /* Get full path to the key */
2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
    return FALSE;

  dwLen = strlen(lpszExt) + 1;

  if (SHSetValueA(HKEY_CLASSES_ROOT, szKey, szExtensionA, REG_SZ, lpszExt, dwLen))
    return FALSE;
  return TRUE;
}

/*************************************************************************
 * @   [SHLWAPI.325]
 *
2110
 * Unicode version of RegisterExtensionForMIMETypeA.
2111
 */
2112
BOOL WINAPI RegisterExtensionForMIMETypeW(LPCWSTR lpszExt, LPCWSTR lpszType)
2113 2114 2115 2116 2117 2118 2119
{
  DWORD dwLen;
  WCHAR szKey[MAX_PATH];

  TRACE("(%s,%s)\n", debugstr_w(lpszExt), debugstr_w(lpszType));

  /* Get the full path to the key */
2120
  if (!GetMIMETypeSubKeyW(lpszType, szKey, MAX_PATH)) /* Get full path to the key */
2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144
    return FALSE;

  dwLen = (lstrlenW(lpszExt) + 1) * sizeof(WCHAR);

  if (SHSetValueW(HKEY_CLASSES_ROOT, szKey, szExtensionW, REG_SZ, lpszExt, dwLen))
    return FALSE;
  return TRUE;
}

/*************************************************************************
 * @   [SHLWAPI.326]
 *
 * Delete a file extension from a MIME content type.
 *
 * PARAMS
 *   lpszType [I] Content type to delete the extension for
 *
 * RETURNS
 *   Success: TRUE. The file extension is deleted from the registry.
 *   Failure: FALSE. The extension may have been removed but the key remains.
 *
 * NOTES
 *   If deleting the extension leaves an orphan key, the key is removed also.
 */
2145
BOOL WINAPI UnregisterExtensionForMIMETypeA(LPCSTR lpszType)
2146 2147 2148 2149 2150
{
  char szKey[MAX_PATH];

  TRACE("(%s)\n", debugstr_a(lpszType));

2151
  if (!GetMIMETypeSubKeyA(lpszType, szKey, MAX_PATH)) /* Get full path to the key */
2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
    return FALSE;

  if (!SHDeleteValueA(HKEY_CLASSES_ROOT, szKey, szExtensionA))
    return FALSE;

  if (!SHDeleteOrphanKeyA(HKEY_CLASSES_ROOT, szKey))
    return FALSE;
  return TRUE;
}

/*************************************************************************
 * @   [SHLWAPI.327]
 *
2165
 * Unicode version of UnregisterExtensionForMIMETypeA.
2166
 */
2167
BOOL WINAPI UnregisterExtensionForMIMETypeW(LPCWSTR lpszType)
2168 2169 2170 2171 2172
{
  WCHAR szKey[MAX_PATH];

  TRACE("(%s)\n", debugstr_w(lpszType));

2173
  if (!GetMIMETypeSubKeyW(lpszType, szKey, MAX_PATH)) /* Get full path to the key */
2174 2175 2176 2177 2178 2179 2180 2181 2182
    return FALSE;

  if (!SHDeleteValueW(HKEY_CLASSES_ROOT, szKey, szExtensionW))
    return FALSE;

  if (!SHDeleteOrphanKeyW(HKEY_CLASSES_ROOT, szKey))
    return FALSE;
  return TRUE;
}
2183 2184 2185

/*************************************************************************
 * SHRegDuplicateHKey   [SHLWAPI.@]
Jon Griffiths's avatar
Jon Griffiths committed
2186 2187 2188 2189 2190 2191 2192 2193
 *
 * Create a duplicate of a registry handle.
 *
 * PARAMS
 *  hKey [I] key to duplicate.
 *
 * RETURNS
 *  A new handle pointing to the same key as hKey.
2194 2195 2196 2197 2198 2199
 */
HKEY WINAPI SHRegDuplicateHKey(HKEY hKey)
{
    HKEY newKey = 0;

    RegOpenKeyExA(hKey, 0, 0, MAXIMUM_ALLOWED, &newKey);
2200
    TRACE("new key is %p\n", newKey);
2201 2202
    return newKey;
}
2203 2204 2205 2206 2207 2208 2209 2210 2211


/*************************************************************************
 * SHCopyKeyA	[SHLWAPI.@]
 *
 * Copy a key and its values/sub keys to another location.
 *
 * PARAMS
 *  hKeySrc    [I] Source key to copy from
2212
 *  lpszSrcSubKey [I] Sub key under hKeySrc, or NULL to use hKeySrc directly
2213
 *  hKeyDst    [I] Destination key
2214 2215 2216 2217 2218 2219 2220 2221
 *  dwReserved [I] Reserved, must be 0
 *
 * RETURNS
 *  Success: ERROR_SUCCESS. The key is copied to the destination key.
 *  Failure: A standard windows error code.
 *
 * NOTES
 *  If hKeyDst is a key under hKeySrc, this function will misbehave
Jon Griffiths's avatar
Jon Griffiths committed
2222 2223
 *  (It will loop until out of stack, or the registry is full). This
 *  bug is present in Win32 also.
2224
 */
2225
DWORD WINAPI SHCopyKeyA(HKEY hKeySrc, LPCSTR lpszSrcSubKey, HKEY hKeyDst, DWORD dwReserved)
2226 2227 2228
{
  WCHAR szSubKeyW[MAX_PATH];

2229
  TRACE("(hkey=%p,%s,%p08x,%d)\n", hKeySrc, debugstr_a(lpszSrcSubKey), hKeyDst, dwReserved);
2230

2231 2232
  if (lpszSrcSubKey)
    MultiByteToWideChar(0, 0, lpszSrcSubKey, -1, szSubKeyW, MAX_PATH);
2233

2234
  return SHCopyKeyW(hKeySrc, lpszSrcSubKey ? szSubKeyW : NULL, hKeyDst, dwReserved);
2235 2236 2237 2238 2239 2240 2241
}

/*************************************************************************
 * SHCopyKeyW	[SHLWAPI.@]
 *
 * See SHCopyKeyA.
 */
2242
DWORD WINAPI SHCopyKeyW(HKEY hKeySrc, LPCWSTR lpszSrcSubKey, HKEY hKeyDst, DWORD dwReserved)
2243 2244 2245 2246 2247 2248 2249 2250
{
  DWORD dwKeyCount = 0, dwValueCount = 0, dwMaxKeyLen = 0;
  DWORD  dwMaxValueLen = 0, dwMaxDataLen = 0, i;
  BYTE buff[1024];
  LPVOID lpBuff = (LPVOID)buff;
  WCHAR szName[MAX_PATH], *lpszName = szName;
  DWORD dwRet = S_OK;

2251
  TRACE("hkey=%p,%s,%p08x,%d)\n", hKeySrc, debugstr_w(lpszSrcSubKey), hKeyDst, dwReserved);
2252 2253 2254 2255 2256

  if(!hKeyDst || !hKeySrc)
    dwRet = ERROR_INVALID_PARAMETER;
  else
  {
2257 2258 2259
    /* Open source key */
    if(lpszSrcSubKey)
      dwRet = RegOpenKeyExW(hKeySrc, lpszSrcSubKey, 0, KEY_ALL_ACCESS, &hKeySrc);
2260 2261

    if(dwRet)
2262
      hKeyDst = NULL; /* Don't close this key since we didn't open it */
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306
    else
    {
      /* Get details about sub keys and values */
      dwRet = RegQueryInfoKeyW(hKeySrc, NULL, NULL, NULL, &dwKeyCount, &dwMaxKeyLen,
                               NULL, &dwValueCount, &dwMaxValueLen, &dwMaxDataLen,
                               NULL, NULL);
      if(!dwRet)
      {
        if (dwMaxValueLen > dwMaxKeyLen)
          dwMaxKeyLen = dwMaxValueLen; /* Get max size for key/value names */

        if (dwMaxKeyLen++ > MAX_PATH - 1)
          lpszName = HeapAlloc(GetProcessHeap(), 0, dwMaxKeyLen * sizeof(WCHAR));

        if (dwMaxDataLen > sizeof(buff))
          lpBuff = HeapAlloc(GetProcessHeap(), 0, dwMaxDataLen);

        if (!lpszName || !lpBuff)
          dwRet = ERROR_NOT_ENOUGH_MEMORY;
      }
    }
  }

  /* Copy all the sub keys */
  for(i = 0; i < dwKeyCount && !dwRet; i++)
  {
    HKEY hSubKeySrc, hSubKeyDst;
    DWORD dwSize = dwMaxKeyLen;

    dwRet = RegEnumKeyExW(hKeySrc, i, lpszName, &dwSize, NULL, NULL, NULL, NULL);

    if(!dwRet)
    {
      /* Open source sub key */
      dwRet = RegOpenKeyExW(hKeySrc, lpszName, 0, KEY_READ, &hSubKeySrc);

      if(!dwRet)
      {
        /* Create destination sub key */
        dwRet = RegCreateKeyW(hKeyDst, lpszName, &hSubKeyDst);

        if(!dwRet)
        {
          /* Recursively copy keys and values from the sub key */
2307
          dwRet = SHCopyKeyW(hSubKeySrc, NULL, hSubKeyDst, 0);
2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319
          RegCloseKey(hSubKeyDst);
        }
      }
      RegCloseKey(hSubKeySrc);
    }
  }

  /* Copy all the values in this key */
  for (i = 0; i < dwValueCount && !dwRet; i++)
  {
    DWORD dwNameSize = dwMaxKeyLen, dwType, dwLen = dwMaxDataLen;

2320
    dwRet = RegEnumValueW(hKeySrc, i, lpszName, &dwNameSize, NULL, &dwType, lpBuff, &dwLen);
2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331

    if (!dwRet)
      dwRet = SHSetValueW(hKeyDst, NULL, lpszName, dwType, lpBuff, dwLen);
  }

  /* Free buffers if allocated */
  if (lpszName != szName)
    HeapFree(GetProcessHeap(), 0, lpszName);
  if (lpBuff != buff)
    HeapFree(GetProcessHeap(), 0, lpBuff);

2332
  if (lpszSrcSubKey && hKeyDst)
2333 2334 2335
    RegCloseKey(hKeyDst);
  return dwRet;
}
Jon Griffiths's avatar
Jon Griffiths committed
2336 2337 2338 2339 2340 2341

/*
 * The following functions are ORDINAL ONLY:
 */

/*************************************************************************
2342
 *      @     [SHLWAPI.280]
Jon Griffiths's avatar
Jon Griffiths committed
2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354
 *
 * Read an integer value from the registry, falling back to a default.
 *
 * PARAMS
 *  hKey      [I] Registry key to read from
 *  lpszValue [I] Value name to read
 *  iDefault  [I] Default value to return
 *
 * RETURNS
 *  The value contained in the given registry value if present, otherwise
 *  iDefault.
 */
2355
int WINAPI SHRegGetIntW(HKEY hKey, LPCWSTR lpszValue, int iDefault)
Jon Griffiths's avatar
Jon Griffiths committed
2356
{
2357
  TRACE("(%p,%s,%d)\n", hKey, debugstr_w(lpszValue), iDefault);
Jon Griffiths's avatar
Jon Griffiths committed
2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372

  if (hKey)
  {
    WCHAR szBuff[32];
    DWORD dwSize = sizeof(szBuff);
    szBuff[0] = '\0';
    SHQueryValueExW(hKey, lpszValue, 0, 0, szBuff, &dwSize);

    if(*szBuff >= '0' && *szBuff <= '9')
      return StrToIntW(szBuff);
  }
  return iDefault;
}

/*************************************************************************
2373
 *      @	[SHLWAPI.343]
Jon Griffiths's avatar
Jon Griffiths committed
2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
 *
 * Create or open an explorer ClassId Key.
 *
 * PARAMS
 *  guid      [I] Explorer ClassId key to open
 *  lpszValue [I] Value name under the ClassId Key
 *  bUseHKCU  [I] TRUE=Use HKEY_CURRENT_USER, FALSE=Use HKEY_CLASSES_ROOT
 *  bCreate   [I] TRUE=Create the key if it doesn't exist, FALSE=Don't
 *  phKey     [O] Destination for the resulting key handle
 *
 * RETURNS
 *  Success: S_OK. phKey contains the resulting registry handle.
 *  Failure: An HRESULT error code indicating the problem.
 */
2388
HRESULT WINAPI SHRegGetCLSIDKeyA(REFGUID guid, LPCSTR lpszValue, BOOL bUseHKCU, BOOL bCreate, PHKEY phKey)
Jon Griffiths's avatar
Jon Griffiths committed
2389 2390 2391 2392 2393 2394
{
  WCHAR szValue[MAX_PATH];

  if (lpszValue)
    MultiByteToWideChar(CP_ACP, 0, lpszValue, -1, szValue, sizeof(szValue)/sizeof(WCHAR));

2395
  return SHRegGetCLSIDKeyW(guid, lpszValue ? szValue : NULL, bUseHKCU, bCreate, phKey);
Jon Griffiths's avatar
Jon Griffiths committed
2396 2397 2398
}

/*************************************************************************
2399
 *      @	[SHLWAPI.344]
Jon Griffiths's avatar
Jon Griffiths committed
2400
 *
2401
 * Unicode version of SHRegGetCLSIDKeyA.
Jon Griffiths's avatar
Jon Griffiths committed
2402
 */
2403
HRESULT WINAPI SHRegGetCLSIDKeyW(REFGUID guid, LPCWSTR lpszValue, BOOL bUseHKCU,
Jon Griffiths's avatar
Jon Griffiths committed
2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416
                           BOOL bCreate, PHKEY phKey)
{
  static const WCHAR szClassIdKey[] = { 'S','o','f','t','w','a','r','e','\\',
    'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
    'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
    'E','x','p','l','o','r','e','r','\\','C','L','S','I','D','\\' };
#define szClassIdKeyLen (sizeof(szClassIdKey)/sizeof(WCHAR))
  WCHAR szKey[MAX_PATH];
  DWORD dwRet;
  HKEY hkey;

  /* Create the key string */
  memcpy(szKey, szClassIdKey, sizeof(szClassIdKey));
2417
  SHStringFromGUIDW(guid, szKey + szClassIdKeyLen, 39); /* Append guid */
Jon Griffiths's avatar
Jon Griffiths committed
2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433

  if(lpszValue)
  {
    szKey[szClassIdKeyLen + 39] = '\\';
    strcpyW(szKey + szClassIdKeyLen + 40, lpszValue); /* Append value name */
  }

  hkey = bUseHKCU ? HKEY_CURRENT_USER : HKEY_CLASSES_ROOT;

  if(bCreate)
    dwRet = RegCreateKeyW(hkey, szKey, phKey);
  else
    dwRet = RegOpenKeyExW(hkey, szKey, 0, KEY_READ, phKey);

  return dwRet ? HRESULT_FROM_WIN32(dwRet) : S_OK;
}
2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464

/*************************************************************************
 * SHRegisterValidateTemplate	[SHLWAPI.@]
 *
 * observed from the ie 5.5 installer:
 *  - allocates a buffer with the size of the given file
 *  - read the file content into the buffer
 *  - creates the key szTemplateKey
 *  - sets "205523652929647911071668590831910975402"=dword:00002e37 at
 *    the key
 *
 * PARAMS
 *  filename [I] An existing file its content is read into an allocated
 *               buffer
 *  unknown  [I]
 *
 * RETURNS
 *  Success: ERROR_SUCCESS.
 */
HRESULT WINAPI SHRegisterValidateTemplate(LPCWSTR filename, BOOL unknown)
{
/* static const WCHAR szTemplateKey[] = { 'S','o','f','t','w','a','r','e','\\',
 *  'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
 *  'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
 *  'E','x','p','l','o','r','e','r','\\',
 *  'T','e','m','p','l','a','t','e','R','e','g','i','s','t','r','y',0 };
 */
  FIXME("stub: %s, %08x\n", debugstr_w(filename), unknown);

  return S_OK;
}