2 * Shlwapi string functions
4 * Copyright 1998 Juergen Schmied
5 * Copyright 2002 Jon Griffiths
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * 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
23 #include "wine/port.h"
30 #define NONAMELESSUNION
31 #define NONAMELESSSTRUCT
34 #define NO_SHLWAPI_REG
35 #define NO_SHLWAPI_STREAM
42 #include "wine/unicode.h"
43 #include "wine/debug.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(shell);
49 extern HINSTANCE shlwapi_hInstance;
51 static HRESULT _SHStrDupAA(LPCSTR,LPSTR*);
52 static HRESULT _SHStrDupAW(LPCWSTR,LPSTR*);
55 static void FillNumberFmt(NUMBERFMTW *fmt, LPWSTR decimal_buffer, int decimal_bufwlen,
56 LPWSTR thousand_buffer, int thousand_bufwlen)
61 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_ILZERO|LOCALE_RETURN_NUMBER, (LPWSTR)&fmt->LeadingZero, sizeof(fmt->LeadingZero)/sizeof(WCHAR));
62 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_INEGNUMBER|LOCALE_RETURN_NUMBER, (LPWSTR)&fmt->LeadingZero, sizeof(fmt->NegativeOrder)/sizeof(WCHAR));
64 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, decimal_buffer, decimal_bufwlen);
65 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, thousand_buffer, thousand_bufwlen);
66 fmt->lpThousandSep = thousand_buffer;
67 fmt->lpDecimalSep = decimal_buffer;
70 * Converting grouping string to number as described on
71 * http://blogs.msdn.com/oldnewthing/archive/2006/04/18/578251.aspx
74 GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SGROUPING, grouping, sizeof(grouping)/sizeof(WCHAR));
75 for (c = grouping; *c; c++)
76 if (*c >= '0' && *c < '9')
79 fmt->Grouping += *c - '0';
82 if (fmt->Grouping % 10 == 0)
88 /*************************************************************************
89 * FormatInt [internal]
91 * Format an integer according to the current locale
94 * The number of bytes written on success or 0 on failure
96 static int FormatInt(LONGLONG qdwValue, LPWSTR pszBuf, int cchBuf)
99 WCHAR decimal[8], thousand[8];
102 BOOL neg = (qdwValue < 0);
104 FillNumberFmt(&fmt, decimal, sizeof decimal / sizeof (WCHAR),
105 thousand, sizeof thousand / sizeof (WCHAR));
111 *(--c) = '0' + (qdwValue%10);
113 } while (qdwValue > 0);
117 return GetNumberFormatW(LOCALE_USER_DEFAULT, 0, c, &fmt, pszBuf, cchBuf);
120 /*************************************************************************
121 * FormatDouble [internal]
123 * Format an integer according to the current locale. Prints the specified number of digits
124 * after the decimal point
127 * The number of bytes written on success or 0 on failure
129 static int FormatDouble(double value, int decimals, LPWSTR pszBuf, int cchBuf)
131 static const WCHAR flfmt[] = {'%','f',0};
134 WCHAR decimal[8], thousand[8];
136 snprintfW(buf, 64, flfmt, value);
138 FillNumberFmt(&fmt, decimal, sizeof decimal / sizeof (WCHAR),
139 thousand, sizeof thousand / sizeof (WCHAR));
140 fmt.NumDigits = decimals;
141 return GetNumberFormatW(LOCALE_USER_DEFAULT, 0, buf, &fmt, pszBuf, cchBuf);
144 /*************************************************************************
145 * SHLWAPI_ChrCmpHelperA
147 * Internal helper for SHLWAPI_ChrCmpA/ChrCMPIA.
150 * Both this function and its Unicode counterpart are very inefficient. To
151 * fix this, CompareString must be completely implemented and optimised
152 * first. Then the core character test can be taken out of that function and
153 * placed here, so that it need never be called at all. Until then, do not
154 * attempt to optimise this code unless you are willing to test that it
155 * still performs correctly.
157 static BOOL SHLWAPI_ChrCmpHelperA(WORD ch1, WORD ch2, DWORD dwFlags)
159 char str1[3], str2[3];
161 str1[0] = LOBYTE(ch1);
162 if (IsDBCSLeadByte(str1[0]))
164 str1[1] = HIBYTE(ch1);
170 str2[0] = LOBYTE(ch2);
171 if (IsDBCSLeadByte(str2[0]))
173 str2[1] = HIBYTE(ch2);
179 return CompareStringA(GetThreadLocale(), dwFlags, str1, -1, str2, -1) - 2;
182 /*************************************************************************
185 * Internal helper function.
187 static BOOL WINAPI SHLWAPI_ChrCmpA(WORD ch1, WORD ch2)
189 return SHLWAPI_ChrCmpHelperA(ch1, ch2, 0);
192 /*************************************************************************
193 * ChrCmpIA (SHLWAPI.385)
195 * Compare two characters, ignoring case.
198 * ch1 [I] First character to compare
199 * ch2 [I] Second character to compare
202 * FALSE, if the characters are equal.
203 * Non-zero otherwise.
205 BOOL WINAPI ChrCmpIA(WORD ch1, WORD ch2)
207 TRACE("(%d,%d)\n", ch1, ch2);
209 return SHLWAPI_ChrCmpHelperA(ch1, ch2, NORM_IGNORECASE);
212 /*************************************************************************
213 * ChrCmpIW [SHLWAPI.386]
217 BOOL WINAPI ChrCmpIW(WCHAR ch1, WCHAR ch2)
219 return CompareStringW(GetThreadLocale(), NORM_IGNORECASE, &ch1, 1, &ch2, 1) - 2;
222 /*************************************************************************
223 * StrChrA [SHLWAPI.@]
225 * Find a given character in a string.
228 * lpszStr [I] String to search in.
229 * ch [I] Character to search for.
232 * Success: A pointer to the first occurrence of ch in lpszStr, or NULL if
234 * Failure: NULL, if any arguments are invalid.
236 LPSTR WINAPI StrChrA(LPCSTR lpszStr, WORD ch)
238 TRACE("(%s,%i)\n", debugstr_a(lpszStr), ch);
244 if (!SHLWAPI_ChrCmpA(*lpszStr, ch))
245 return (LPSTR)lpszStr;
246 lpszStr = CharNextA(lpszStr);
252 /*************************************************************************
253 * StrChrW [SHLWAPI.@]
257 LPWSTR WINAPI StrChrW(LPCWSTR lpszStr, WCHAR ch)
259 LPWSTR lpszRet = NULL;
261 TRACE("(%s,%i)\n", debugstr_w(lpszStr), ch);
264 lpszRet = strchrW(lpszStr, ch);
268 /*************************************************************************
269 * StrChrIA [SHLWAPI.@]
271 * Find a given character in a string, ignoring case.
274 * lpszStr [I] String to search in.
275 * ch [I] Character to search for.
278 * Success: A pointer to the first occurrence of ch in lpszStr, or NULL if
280 * Failure: NULL, if any arguments are invalid.
282 LPSTR WINAPI StrChrIA(LPCSTR lpszStr, WORD ch)
284 TRACE("(%s,%i)\n", debugstr_a(lpszStr), ch);
290 if (!ChrCmpIA(*lpszStr, ch))
291 return (LPSTR)lpszStr;
292 lpszStr = CharNextA(lpszStr);
298 /*************************************************************************
299 * StrChrIW [SHLWAPI.@]
303 LPWSTR WINAPI StrChrIW(LPCWSTR lpszStr, WCHAR ch)
305 TRACE("(%s,%i)\n", debugstr_w(lpszStr), ch);
312 if (toupperW(*lpszStr) == ch)
313 return (LPWSTR)lpszStr;
318 return (LPWSTR)lpszStr;
321 /*************************************************************************
322 * StrCmpIW [SHLWAPI.@]
324 * Compare two strings, ignoring case.
327 * lpszStr [I] First string to compare
328 * lpszComp [I] Second string to compare
331 * An integer less than, equal to or greater than 0, indicating that
332 * lpszStr is less than, the same, or greater than lpszComp.
334 int WINAPI StrCmpIW(LPCWSTR lpszStr, LPCWSTR lpszComp)
338 TRACE("(%s,%s)\n", debugstr_w(lpszStr),debugstr_w(lpszComp));
340 iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, -1, lpszComp, -1);
341 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
344 /*************************************************************************
345 * StrCmpNA [SHLWAPI.@]
347 * Compare two strings, up to a maximum length.
350 * lpszStr [I] First string to compare
351 * lpszComp [I] Second string to compare
352 * iLen [I] Maximum number of chars to compare.
355 * An integer less than, equal to or greater than 0, indicating that
356 * lpszStr is less than, the same, or greater than lpszComp.
358 INT WINAPI StrCmpNA(LPCSTR lpszStr, LPCSTR lpszComp, INT iLen)
362 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
364 iRet = CompareStringA(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
365 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
368 /*************************************************************************
369 * StrCmpNW [SHLWAPI.@]
373 INT WINAPI StrCmpNW(LPCWSTR lpszStr, LPCWSTR lpszComp, INT iLen)
377 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
379 iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
380 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
383 /*************************************************************************
384 * StrCmpNIA [SHLWAPI.@]
386 * Compare two strings, up to a maximum length, ignoring case.
389 * lpszStr [I] First string to compare
390 * lpszComp [I] Second string to compare
391 * iLen [I] Maximum number of chars to compare.
394 * An integer less than, equal to or greater than 0, indicating that
395 * lpszStr is less than, the same, or greater than lpszComp.
397 int WINAPI StrCmpNIA(LPCSTR lpszStr, LPCSTR lpszComp, int iLen)
401 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
403 iRet = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
404 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
407 /*************************************************************************
408 * StrCmpNIW [SHLWAPI.@]
412 INT WINAPI StrCmpNIW(LPCWSTR lpszStr, LPCWSTR lpszComp, int iLen)
416 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
418 iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
419 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
422 /*************************************************************************
423 * StrCmpW [SHLWAPI.@]
425 * Compare two strings.
428 * lpszStr [I] First string to compare
429 * lpszComp [I] Second string to compare
432 * An integer less than, equal to or greater than 0, indicating that
433 * lpszStr is less than, the same, or greater than lpszComp.
435 int WINAPI StrCmpW(LPCWSTR lpszStr, LPCWSTR lpszComp)
439 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
441 iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, -1, lpszComp, -1);
442 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
445 /*************************************************************************
446 * StrCatW [SHLWAPI.@]
448 * Concatanate two strings.
451 * lpszStr [O] Initial string
452 * lpszSrc [I] String to concatanate
457 LPWSTR WINAPI StrCatW(LPWSTR lpszStr, LPCWSTR lpszSrc)
459 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSrc));
461 strcatW(lpszStr, lpszSrc);
465 /*************************************************************************
466 * StrCpyW [SHLWAPI.@]
468 * Copy a string to another string.
471 * lpszStr [O] Destination string
472 * lpszSrc [I] Source string
477 LPWSTR WINAPI StrCpyW(LPWSTR lpszStr, LPCWSTR lpszSrc)
479 TRACE("(%p,%s)\n", lpszStr, debugstr_w(lpszSrc));
481 strcpyW(lpszStr, lpszSrc);
485 /*************************************************************************
486 * StrCpyNW [SHLWAPI.@]
488 * Copy a string to another string, up to a maximum number of characters.
491 * lpszStr [O] Destination string
492 * lpszSrc [I] Source string
493 * iLen [I] Maximum number of chars to copy
498 LPWSTR WINAPI StrCpyNW(LPWSTR lpszStr, LPCWSTR lpszSrc, int iLen)
500 TRACE("(%p,%s,%i)\n", lpszStr, debugstr_w(lpszSrc), iLen);
502 lstrcpynW(lpszStr, lpszSrc, iLen);
508 /*************************************************************************
509 * SHLWAPI_StrStrHelperA
511 * Internal implementation of StrStrA/StrStrIA
513 static LPSTR SHLWAPI_StrStrHelperA(LPCSTR lpszStr, LPCSTR lpszSearch,
514 int (*pStrCmpFn)(LPCSTR,LPCSTR,size_t))
518 if (!lpszStr || !lpszSearch || !*lpszSearch)
521 iLen = strlen(lpszSearch);
525 if (!pStrCmpFn(lpszStr, lpszSearch, iLen))
526 return (LPSTR)lpszStr;
527 lpszStr = CharNextA(lpszStr);
532 /*************************************************************************
533 * StrStrA [SHLWAPI.@]
535 * Find a substring within a string.
538 * lpszStr [I] String to search in
539 * lpszSearch [I] String to look for
542 * The start of lpszSearch within lpszStr, or NULL if not found.
544 LPSTR WINAPI StrStrA(LPCSTR lpszStr, LPCSTR lpszSearch)
546 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
548 return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, strncmp);
551 /*************************************************************************
552 * StrStrW [SHLWAPI.@]
556 LPWSTR WINAPI StrStrW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
558 if (!lpszStr || !lpszSearch) return NULL;
559 return strstrW( lpszStr, lpszSearch );
562 /*************************************************************************
563 * StrRStrIA [SHLWAPI.@]
565 * Find the last occurrence of a substring within a string.
568 * lpszStr [I] String to search in
569 * lpszEnd [I] End of lpszStr
570 * lpszSearch [I] String to look for
573 * The last occurrence lpszSearch within lpszStr, or NULL if not found.
575 LPSTR WINAPI StrRStrIA(LPCSTR lpszStr, LPCSTR lpszEnd, LPCSTR lpszSearch)
580 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
582 if (!lpszStr || !lpszSearch || !*lpszSearch)
586 lpszEnd = lpszStr + lstrlenA(lpszStr);
587 if (lpszEnd == lpszStr)
590 if (IsDBCSLeadByte(*lpszSearch))
591 ch1 = *lpszSearch << 8 | (UCHAR)lpszSearch[1];
594 iLen = lstrlenA(lpszSearch);
598 lpszEnd = CharPrevA(lpszStr, lpszEnd);
599 ch2 = IsDBCSLeadByte(*lpszEnd)? *lpszEnd << 8 | (UCHAR)lpszEnd[1] : *lpszEnd;
600 if (!ChrCmpIA(ch1, ch2))
602 if (!StrCmpNIA(lpszEnd, lpszSearch, iLen))
603 return (LPSTR)lpszEnd;
605 } while (lpszEnd > lpszStr);
609 /*************************************************************************
610 * StrRStrIW [SHLWAPI.@]
614 LPWSTR WINAPI StrRStrIW(LPCWSTR lpszStr, LPCWSTR lpszEnd, LPCWSTR lpszSearch)
618 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
620 if (!lpszStr || !lpszSearch || !*lpszSearch)
624 lpszEnd = lpszStr + strlenW(lpszStr);
626 iLen = strlenW(lpszSearch);
628 while (lpszEnd > lpszStr)
631 if (!StrCmpNIW(lpszEnd, lpszSearch, iLen))
632 return (LPWSTR)lpszEnd;
637 /*************************************************************************
638 * StrStrIA [SHLWAPI.@]
640 * Find a substring within a string, ignoring case.
643 * lpszStr [I] String to search in
644 * lpszSearch [I] String to look for
647 * The start of lpszSearch within lpszStr, or NULL if not found.
649 LPSTR WINAPI StrStrIA(LPCSTR lpszStr, LPCSTR lpszSearch)
651 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
653 return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, strncasecmp);
656 /*************************************************************************
657 * StrStrIW [SHLWAPI.@]
661 LPWSTR WINAPI StrStrIW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
665 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
667 if (!lpszStr || !lpszSearch || !*lpszSearch)
670 iLen = strlenW(lpszSearch);
674 if (!StrCmpNIW(lpszStr, lpszSearch, iLen))
675 return (LPWSTR)lpszStr;
681 /*************************************************************************
682 * StrToIntA [SHLWAPI.@]
684 * Read a signed integer from a string.
687 * lpszStr [I] String to read integer from
690 * The signed integer value represented by the string, or 0 if no integer is
694 * No leading space is allowed before the number, although a leading '-' is.
696 int WINAPI StrToIntA(LPCSTR lpszStr)
700 TRACE("(%s)\n", debugstr_a(lpszStr));
704 WARN("Invalid lpszStr would crash under Win32!\n");
708 if (*lpszStr == '-' || isdigit(*lpszStr))
709 StrToIntExA(lpszStr, 0, &iRet);
713 /*************************************************************************
714 * StrToIntW [SHLWAPI.@]
718 int WINAPI StrToIntW(LPCWSTR lpszStr)
722 TRACE("(%s)\n", debugstr_w(lpszStr));
726 WARN("Invalid lpszStr would crash under Win32!\n");
730 if (*lpszStr == '-' || isdigitW(*lpszStr))
731 StrToIntExW(lpszStr, 0, &iRet);
735 /*************************************************************************
736 * StrToIntExA [SHLWAPI.@]
738 * Read an integer from a string.
741 * lpszStr [I] String to read integer from
742 * dwFlags [I] Flags controlling the conversion
743 * lpiRet [O] Destination for read integer.
746 * Success: TRUE. lpiRet contains the integer value represented by the string.
747 * Failure: FALSE, if the string is invalid, or no number is present.
750 * Leading whitespace, '-' and '+' are allowed before the number. If
751 * dwFlags includes STIF_SUPPORT_HEX, hexadecimal numbers are allowed, if
752 * preceded by '0x'. If this flag is not set, or there is no '0x' prefix,
753 * the string is treated as a decimal string. A leading '-' is ignored for
754 * hexadecimal numbers.
756 BOOL WINAPI StrToIntExA(LPCSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
758 BOOL bNegative = FALSE;
761 TRACE("(%s,%08X,%p)\n", debugstr_a(lpszStr), dwFlags, lpiRet);
763 if (!lpszStr || !lpiRet)
765 WARN("Invalid parameter would crash under Win32!\n");
768 if (dwFlags > STIF_SUPPORT_HEX)
770 WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
773 /* Skip leading space, '+', '-' */
774 while (isspace(*lpszStr))
775 lpszStr = CharNextA(lpszStr);
782 else if (*lpszStr == '+')
785 if (dwFlags & STIF_SUPPORT_HEX &&
786 *lpszStr == '0' && tolower(lpszStr[1]) == 'x')
788 /* Read hex number */
791 if (!isxdigit(*lpszStr))
794 while (isxdigit(*lpszStr))
797 if (isdigit(*lpszStr))
798 iRet += (*lpszStr - '0');
800 iRet += 10 + (tolower(*lpszStr) - 'a');
807 /* Read decimal number */
808 if (!isdigit(*lpszStr))
811 while (isdigit(*lpszStr))
814 iRet += (*lpszStr - '0');
817 *lpiRet = bNegative ? -iRet : iRet;
821 /*************************************************************************
822 * StrToIntExW [SHLWAPI.@]
826 BOOL WINAPI StrToIntExW(LPCWSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
828 BOOL bNegative = FALSE;
831 TRACE("(%s,%08X,%p)\n", debugstr_w(lpszStr), dwFlags, lpiRet);
833 if (!lpszStr || !lpiRet)
835 WARN("Invalid parameter would crash under Win32!\n");
838 if (dwFlags > STIF_SUPPORT_HEX)
840 WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
843 /* Skip leading space, '+', '-' */
844 while (isspaceW(*lpszStr)) lpszStr++;
851 else if (*lpszStr == '+')
854 if (dwFlags & STIF_SUPPORT_HEX &&
855 *lpszStr == '0' && tolowerW(lpszStr[1]) == 'x')
857 /* Read hex number */
860 if (!isxdigitW(*lpszStr))
863 while (isxdigitW(*lpszStr))
866 if (isdigitW(*lpszStr))
867 iRet += (*lpszStr - '0');
869 iRet += 10 + (tolowerW(*lpszStr) - 'a');
876 /* Read decimal number */
877 if (!isdigitW(*lpszStr))
880 while (isdigitW(*lpszStr))
883 iRet += (*lpszStr - '0');
886 *lpiRet = bNegative ? -iRet : iRet;
890 /*************************************************************************
891 * StrDupA [SHLWAPI.@]
893 * Duplicate a string.
896 * lpszStr [I] String to duplicate.
899 * Success: A pointer to a new string containing the contents of lpszStr
900 * Failure: NULL, if memory cannot be allocated
903 * The string memory is allocated with LocalAlloc(), and so should be released
904 * by calling LocalFree().
906 LPSTR WINAPI StrDupA(LPCSTR lpszStr)
911 TRACE("(%s)\n",debugstr_a(lpszStr));
913 iLen = lpszStr ? strlen(lpszStr) + 1 : 1;
914 lpszRet = (LPSTR)LocalAlloc(LMEM_FIXED, iLen);
919 memcpy(lpszRet, lpszStr, iLen);
926 /*************************************************************************
927 * StrDupW [SHLWAPI.@]
931 LPWSTR WINAPI StrDupW(LPCWSTR lpszStr)
936 TRACE("(%s)\n",debugstr_w(lpszStr));
938 iLen = (lpszStr ? strlenW(lpszStr) + 1 : 1) * sizeof(WCHAR);
939 lpszRet = (LPWSTR)LocalAlloc(LMEM_FIXED, iLen);
944 memcpy(lpszRet, lpszStr, iLen);
951 /*************************************************************************
952 * SHLWAPI_StrSpnHelperA
954 * Internal implementation of StrSpnA/StrCSpnA/StrCSpnIA
956 static int SHLWAPI_StrSpnHelperA(LPCSTR lpszStr, LPCSTR lpszMatch,
957 LPSTR (WINAPI *pStrChrFn)(LPCSTR,WORD),
960 LPCSTR lpszRead = lpszStr;
961 if (lpszStr && *lpszStr && lpszMatch)
965 LPCSTR lpszTest = pStrChrFn(lpszMatch, *lpszRead);
967 if (!bInvert && !lpszTest)
969 if (bInvert && lpszTest)
971 lpszRead = CharNextA(lpszRead);
974 return lpszRead - lpszStr;
977 /*************************************************************************
978 * StrSpnA [SHLWAPI.@]
980 * Find the length of the start of a string that contains only certain
984 * lpszStr [I] String to search
985 * lpszMatch [I] Characters that can be in the substring
988 * The length of the part of lpszStr containing only chars from lpszMatch,
989 * or 0 if any parameter is invalid.
991 int WINAPI StrSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
993 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
995 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, FALSE);
998 /*************************************************************************
999 * StrSpnW [SHLWAPI.@]
1003 int WINAPI StrSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1005 if (!lpszStr || !lpszMatch) return 0;
1006 return strspnW( lpszStr, lpszMatch );
1009 /*************************************************************************
1010 * StrCSpnA [SHLWAPI.@]
1012 * Find the length of the start of a string that does not contain certain
1016 * lpszStr [I] String to search
1017 * lpszMatch [I] Characters that cannot be in the substring
1020 * The length of the part of lpszStr containing only chars not in lpszMatch,
1021 * or 0 if any parameter is invalid.
1023 int WINAPI StrCSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
1025 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1027 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, TRUE);
1030 /*************************************************************************
1031 * StrCSpnW [SHLWAPI.@]
1035 int WINAPI StrCSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1037 if (!lpszStr || !lpszMatch) return 0;
1038 return strcspnW( lpszStr, lpszMatch );
1041 /*************************************************************************
1042 * StrCSpnIA [SHLWAPI.@]
1044 * Find the length of the start of a string that does not contain certain
1045 * characters, ignoring case.
1048 * lpszStr [I] String to search
1049 * lpszMatch [I] Characters that cannot be in the substring
1052 * The length of the part of lpszStr containing only chars not in lpszMatch,
1053 * or 0 if any parameter is invalid.
1055 int WINAPI StrCSpnIA(LPCSTR lpszStr, LPCSTR lpszMatch)
1057 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1059 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrIA, TRUE);
1062 /*************************************************************************
1063 * StrCSpnIW [SHLWAPI.@]
1067 int WINAPI StrCSpnIW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1069 LPCWSTR lpszRead = lpszStr;
1071 TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
1073 if (lpszStr && *lpszStr && lpszMatch)
1077 if (StrChrIW(lpszMatch, *lpszRead)) break;
1081 return lpszRead - lpszStr;
1084 /*************************************************************************
1085 * StrPBrkA [SHLWAPI.@]
1087 * Search a string for any of a group of characters.
1090 * lpszStr [I] String to search
1091 * lpszMatch [I] Characters to match
1094 * A pointer to the first matching character in lpszStr, or NULL if no
1097 LPSTR WINAPI StrPBrkA(LPCSTR lpszStr, LPCSTR lpszMatch)
1099 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1101 if (lpszStr && lpszMatch && *lpszMatch)
1105 if (StrChrA(lpszMatch, *lpszStr))
1106 return (LPSTR)lpszStr;
1107 lpszStr = CharNextA(lpszStr);
1113 /*************************************************************************
1114 * StrPBrkW [SHLWAPI.@]
1118 LPWSTR WINAPI StrPBrkW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1120 if (!lpszStr || !lpszMatch) return NULL;
1121 return strpbrkW( lpszStr, lpszMatch );
1124 /*************************************************************************
1125 * SHLWAPI_StrRChrHelperA
1127 * Internal implementation of StrRChrA/StrRChrIA.
1129 static LPSTR SHLWAPI_StrRChrHelperA(LPCSTR lpszStr,
1130 LPCSTR lpszEnd, WORD ch,
1131 BOOL (WINAPI *pChrCmpFn)(WORD,WORD))
1133 LPCSTR lpszRet = NULL;
1140 lpszEnd = lpszStr + lstrlenA(lpszStr);
1142 while (*lpszStr && lpszStr <= lpszEnd)
1144 ch2 = IsDBCSLeadByte(*lpszStr)? *lpszStr << 8 | lpszStr[1] : *lpszStr;
1146 if (!pChrCmpFn(ch, ch2))
1148 lpszStr = CharNextA(lpszStr);
1151 return (LPSTR)lpszRet;
1154 /**************************************************************************
1155 * StrRChrA [SHLWAPI.@]
1157 * Find the last occurrence of a character in string.
1160 * lpszStr [I] String to search in
1161 * lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
1162 * ch [I] Character to search for.
1165 * Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
1166 * or NULL if not found.
1167 * Failure: NULL, if any arguments are invalid.
1169 LPSTR WINAPI StrRChrA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
1171 TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
1173 return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, SHLWAPI_ChrCmpA);
1176 /**************************************************************************
1177 * StrRChrW [SHLWAPI.@]
1181 LPWSTR WINAPI StrRChrW(LPCWSTR str, LPCWSTR end, WORD ch)
1185 if (!str) return NULL;
1186 if (!end) end = str + strlenW(str);
1189 if (*str == ch) ret = (WCHAR *)str;
1195 /**************************************************************************
1196 * StrRChrIA [SHLWAPI.@]
1198 * Find the last occurrence of a character in string, ignoring case.
1201 * lpszStr [I] String to search in
1202 * lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
1203 * ch [I] Character to search for.
1206 * Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
1207 * or NULL if not found.
1208 * Failure: NULL, if any arguments are invalid.
1210 LPSTR WINAPI StrRChrIA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
1212 TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
1214 return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, ChrCmpIA);
1217 /**************************************************************************
1218 * StrRChrIW [SHLWAPI.@]
1222 LPWSTR WINAPI StrRChrIW(LPCWSTR str, LPCWSTR end, WORD ch)
1226 if (!str) return NULL;
1227 if (!end) end = str + strlenW(str);
1230 if (!ChrCmpIW(*str, ch)) ret = (WCHAR *)str;
1236 /*************************************************************************
1237 * StrCatBuffA [SHLWAPI.@]
1239 * Concatenate two strings together.
1242 * lpszStr [O] String to concatenate to
1243 * lpszCat [I] String to add to lpszCat
1244 * cchMax [I] Maximum number of characters for the whole string
1250 * cchMax determines the number of characters in the final length of the
1251 * string, not the number appended to lpszStr from lpszCat.
1253 LPSTR WINAPI StrCatBuffA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
1257 TRACE("(%p,%s,%d)\n", lpszStr, debugstr_a(lpszCat), cchMax);
1261 WARN("Invalid lpszStr would crash under Win32!\n");
1265 iLen = strlen(lpszStr);
1269 StrCpyNA(lpszStr + iLen, lpszCat, cchMax);
1273 /*************************************************************************
1274 * StrCatBuffW [SHLWAPI.@]
1278 LPWSTR WINAPI StrCatBuffW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
1282 TRACE("(%p,%s,%d)\n", lpszStr, debugstr_w(lpszCat), cchMax);
1286 WARN("Invalid lpszStr would crash under Win32!\n");
1290 iLen = strlenW(lpszStr);
1294 StrCpyNW(lpszStr + iLen, lpszCat, cchMax);
1298 /*************************************************************************
1299 * StrRetToBufA [SHLWAPI.@]
1301 * Convert a STRRET to a normal string.
1304 * lpStrRet [O] STRRET to convert
1305 * pIdl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
1306 * lpszDest [O] Destination for normal string
1307 * dwLen [I] Length of lpszDest
1310 * Success: S_OK. lpszDest contains up to dwLen characters of the string.
1311 * If lpStrRet is of type STRRET_WSTR, its memory is freed with
1312 * CoTaskMemFree() and its type set to STRRET_CSTRA.
1313 * Failure: E_FAIL, if any parameters are invalid.
1315 HRESULT WINAPI StrRetToBufA (LPSTRRET src, const ITEMIDLIST *pidl, LPSTR dest, UINT len)
1318 * This routine is identical to that in dlls/shell32/shellstring.c.
1319 * It was duplicated because not every version of Shlwapi.dll exports
1320 * StrRetToBufA. If you change one routine, change them both.
1322 TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
1326 WARN("Invalid lpStrRet would crash under Win32!\n");
1340 WideCharToMultiByte(CP_ACP, 0, src->u.pOleStr, -1, dest, len, NULL, NULL);
1341 CoTaskMemFree(src->u.pOleStr);
1345 lstrcpynA((LPSTR)dest, src->u.cStr, len);
1349 lstrcpynA((LPSTR)dest, ((LPCSTR)&pidl->mkid)+src->u.uOffset, len);
1353 FIXME("unknown type!\n");
1359 /*************************************************************************
1360 * StrRetToBufW [SHLWAPI.@]
1364 HRESULT WINAPI StrRetToBufW (LPSTRRET src, const ITEMIDLIST *pidl, LPWSTR dest, UINT len)
1366 TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
1370 WARN("Invalid lpStrRet would crash under Win32!\n");
1384 lstrcpynW((LPWSTR)dest, src->u.pOleStr, len);
1385 CoTaskMemFree(src->u.pOleStr);
1389 if (!MultiByteToWideChar( CP_ACP, 0, src->u.cStr, -1, dest, len ) && len)
1396 if (!MultiByteToWideChar( CP_ACP, 0, ((LPCSTR)&pidl->mkid)+src->u.uOffset, -1,
1403 FIXME("unknown type!\n");
1409 /*************************************************************************
1410 * StrRetToStrA [SHLWAPI.@]
1412 * Converts a STRRET to a normal string.
1415 * lpStrRet [O] STRRET to convert
1416 * pidl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
1417 * ppszName [O] Destination for converted string
1420 * Success: S_OK. ppszName contains the new string, allocated with CoTaskMemAlloc().
1421 * Failure: E_FAIL, if any parameters are invalid.
1423 HRESULT WINAPI StrRetToStrA(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPSTR *ppszName)
1425 HRESULT hRet = E_FAIL;
1427 switch (lpStrRet->uType)
1430 hRet = _SHStrDupAW(lpStrRet->u.pOleStr, ppszName);
1431 CoTaskMemFree(lpStrRet->u.pOleStr);
1435 hRet = _SHStrDupAA(lpStrRet->u.cStr, ppszName);
1439 hRet = _SHStrDupAA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
1449 /*************************************************************************
1450 * StrRetToStrW [SHLWAPI.@]
1454 HRESULT WINAPI StrRetToStrW(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPWSTR *ppszName)
1456 HRESULT hRet = E_FAIL;
1458 switch (lpStrRet->uType)
1461 hRet = SHStrDupW(lpStrRet->u.pOleStr, ppszName);
1462 CoTaskMemFree(lpStrRet->u.pOleStr);
1466 hRet = SHStrDupA(lpStrRet->u.cStr, ppszName);
1470 hRet = SHStrDupA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
1480 /* Create an ASCII string copy using SysAllocString() */
1481 static HRESULT _SHStrDupAToBSTR(LPCSTR src, BSTR *pBstrOut)
1487 INT len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0);
1488 WCHAR* szTemp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1492 MultiByteToWideChar(CP_ACP, 0, src, -1, szTemp, len);
1493 *pBstrOut = SysAllocString(szTemp);
1494 HeapFree(GetProcessHeap(), 0, szTemp);
1500 return E_OUTOFMEMORY;
1503 /*************************************************************************
1504 * StrRetToBSTR [SHLWAPI.@]
1506 * Converts a STRRET to a BSTR.
1509 * lpStrRet [O] STRRET to convert
1510 * pidl [I] ITEMIDLIST for lpStrRet->uType = STRRET_OFFSET
1511 * pBstrOut [O] Destination for converted BSTR
1514 * Success: S_OK. pBstrOut contains the new string.
1515 * Failure: E_FAIL, if any parameters are invalid.
1517 HRESULT WINAPI StrRetToBSTR(STRRET *lpStrRet, LPCITEMIDLIST pidl, BSTR* pBstrOut)
1519 HRESULT hRet = E_FAIL;
1521 switch (lpStrRet->uType)
1524 *pBstrOut = SysAllocString(lpStrRet->u.pOleStr);
1527 CoTaskMemFree(lpStrRet->u.pOleStr);
1531 hRet = _SHStrDupAToBSTR(lpStrRet->u.cStr, pBstrOut);
1535 hRet = _SHStrDupAToBSTR(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, pBstrOut);
1545 /*************************************************************************
1546 * StrFormatKBSizeA [SHLWAPI.@]
1548 * Create a formatted string containing a byte count in Kilobytes.
1551 * llBytes [I] Byte size to format
1552 * lpszDest [I] Destination for formatted string
1553 * cchMax [I] Size of lpszDest
1558 LPSTR WINAPI StrFormatKBSizeA(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
1562 if (!StrFormatKBSizeW(llBytes, wszBuf, 256))
1564 if (!WideCharToMultiByte(CP_ACP, 0, wszBuf, -1, lpszDest, cchMax, NULL, NULL))
1569 /*************************************************************************
1570 * StrFormatKBSizeW [SHLWAPI.@]
1572 * See StrFormatKBSizeA.
1574 LPWSTR WINAPI StrFormatKBSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
1576 static const WCHAR kb[] = {' ','K','B',0};
1577 LONGLONG llKB = (llBytes + 1023) >> 10;
1580 TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
1582 if (!FormatInt(llKB, lpszDest, cchMax))
1585 len = lstrlenW(lpszDest);
1586 if (cchMax - len < 4)
1588 lstrcatW(lpszDest, kb);
1592 /*************************************************************************
1593 * StrNCatA [SHLWAPI.@]
1595 * Concatenate two strings together.
1598 * lpszStr [O] String to concatenate to
1599 * lpszCat [I] String to add to lpszCat
1600 * cchMax [I] Maximum number of characters to concatenate
1606 * cchMax determines the number of characters that are appended to lpszStr,
1607 * not the total length of the string.
1609 LPSTR WINAPI StrNCatA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
1611 LPSTR lpszRet = lpszStr;
1613 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszCat), cchMax);
1617 WARN("Invalid lpszStr would crash under Win32!\n");
1621 StrCpyNA(lpszStr + strlen(lpszStr), lpszCat, cchMax);
1625 /*************************************************************************
1626 * StrNCatW [SHLWAPI.@]
1630 LPWSTR WINAPI StrNCatW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
1632 LPWSTR lpszRet = lpszStr;
1634 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszCat), cchMax);
1638 WARN("Invalid lpszStr would crash under Win32\n");
1642 StrCpyNW(lpszStr + strlenW(lpszStr), lpszCat, cchMax);
1646 /*************************************************************************
1647 * StrTrimA [SHLWAPI.@]
1649 * Remove characters from the start and end of a string.
1652 * lpszStr [O] String to remove characters from
1653 * lpszTrim [I] Characters to remove from lpszStr
1656 * TRUE If lpszStr was valid and modified
1659 BOOL WINAPI StrTrimA(LPSTR lpszStr, LPCSTR lpszTrim)
1662 LPSTR lpszRead = lpszStr;
1665 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszTrim));
1667 if (lpszRead && *lpszRead)
1669 while (*lpszRead && StrChrA(lpszTrim, *lpszRead))
1670 lpszRead = CharNextA(lpszRead); /* Skip leading matches */
1672 dwLen = strlen(lpszRead);
1674 if (lpszRead != lpszStr)
1676 memmove(lpszStr, lpszRead, dwLen + 1);
1681 lpszRead = lpszStr + dwLen;
1682 while (StrChrA(lpszTrim, lpszRead[-1]))
1683 lpszRead = CharPrevA(lpszStr, lpszRead); /* Skip trailing matches */
1685 if (lpszRead != lpszStr + dwLen)
1695 /*************************************************************************
1696 * StrTrimW [SHLWAPI.@]
1700 BOOL WINAPI StrTrimW(LPWSTR lpszStr, LPCWSTR lpszTrim)
1703 LPWSTR lpszRead = lpszStr;
1706 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszTrim));
1708 if (lpszRead && *lpszRead)
1710 while (*lpszRead && StrChrW(lpszTrim, *lpszRead)) lpszRead++;
1712 dwLen = strlenW(lpszRead);
1714 if (lpszRead != lpszStr)
1716 memmove(lpszStr, lpszRead, (dwLen + 1) * sizeof(WCHAR));
1721 lpszRead = lpszStr + dwLen;
1722 while (StrChrW(lpszTrim, lpszRead[-1]))
1723 lpszRead--; /* Skip trailing matches */
1725 if (lpszRead != lpszStr + dwLen)
1735 /*************************************************************************
1736 * _SHStrDupAA [INTERNAL]
1738 * Duplicates a ASCII string to ASCII. The destination buffer is allocated.
1740 static HRESULT _SHStrDupAA(LPCSTR src, LPSTR * dest)
1746 len = lstrlenA(src) + 1;
1747 *dest = CoTaskMemAlloc(len);
1753 lstrcpynA(*dest,src, len);
1759 TRACE("%s->(%p)\n", debugstr_a(src), *dest);
1763 /*************************************************************************
1764 * SHStrDupA [SHLWAPI.@]
1766 * Return a Unicode copy of a string, in memory allocated by CoTaskMemAlloc().
1769 * lpszStr [I] String to copy
1770 * lppszDest [O] Destination for the new string copy
1773 * Success: S_OK. lppszDest contains the new string in Unicode format.
1774 * Failure: E_OUTOFMEMORY, If any arguments are invalid or memory allocation
1777 HRESULT WINAPI SHStrDupA(LPCSTR lpszStr, LPWSTR * lppszDest)
1784 len = MultiByteToWideChar(0, 0, lpszStr, -1, 0, 0) * sizeof(WCHAR);
1785 *lppszDest = CoTaskMemAlloc(len);
1792 MultiByteToWideChar(0, 0, lpszStr, -1, *lppszDest, len/sizeof(WCHAR));
1796 hRet = E_OUTOFMEMORY;
1798 TRACE("%s->(%p)\n", debugstr_a(lpszStr), *lppszDest);
1802 /*************************************************************************
1803 * _SHStrDupAW [INTERNAL]
1805 * Duplicates a UNICODE to a ASCII string. The destination buffer is allocated.
1807 static HRESULT _SHStrDupAW(LPCWSTR src, LPSTR * dest)
1813 len = WideCharToMultiByte(CP_ACP, 0, src, -1, NULL, 0, NULL, NULL);
1814 *dest = CoTaskMemAlloc(len);
1820 WideCharToMultiByte(CP_ACP, 0, src, -1, *dest, len, NULL, NULL);
1826 TRACE("%s->(%p)\n", debugstr_w(src), *dest);
1830 /*************************************************************************
1831 * SHStrDupW [SHLWAPI.@]
1835 HRESULT WINAPI SHStrDupW(LPCWSTR src, LPWSTR * dest)
1841 len = (lstrlenW(src) + 1) * sizeof(WCHAR);
1842 *dest = CoTaskMemAlloc(len);
1848 memcpy(*dest, src, len);
1854 TRACE("%s->(%p)\n", debugstr_w(src), *dest);
1858 /*************************************************************************
1859 * SHLWAPI_WriteReverseNum
1861 * Internal helper for SHLWAPI_WriteTimeClass.
1863 static inline LPWSTR SHLWAPI_WriteReverseNum(LPWSTR lpszOut, DWORD dwNum)
1867 /* Write a decimal number to a string, backwards */
1870 DWORD dwNextDigit = dwNum % 10;
1871 *lpszOut-- = '0' + dwNextDigit;
1872 dwNum = (dwNum - dwNextDigit) / 10;
1873 } while (dwNum > 0);
1878 /*************************************************************************
1879 * SHLWAPI_FormatSignificant
1881 * Internal helper for SHLWAPI_WriteTimeClass.
1883 static inline int SHLWAPI_FormatSignificant(LPWSTR lpszNum, int dwDigits)
1885 /* Zero non significant digits, return remaining significant digits */
1889 if (--dwDigits == 0)
1899 /*************************************************************************
1900 * SHLWAPI_WriteTimeClass
1902 * Internal helper for StrFromTimeIntervalW.
1904 static int SHLWAPI_WriteTimeClass(LPWSTR lpszOut, DWORD dwValue,
1905 UINT uClassStringId, int iDigits)
1907 WCHAR szBuff[64], *szOut = szBuff + 32;
1909 szOut = SHLWAPI_WriteReverseNum(szOut, dwValue);
1910 iDigits = SHLWAPI_FormatSignificant(szOut + 1, iDigits);
1912 LoadStringW(shlwapi_hInstance, uClassStringId, szBuff + 32, 32);
1913 strcatW(lpszOut, szOut);
1917 /*************************************************************************
1918 * StrFromTimeIntervalA [SHLWAPI.@]
1920 * Format a millisecond time interval into a string
1923 * lpszStr [O] Output buffer for formatted time interval
1924 * cchMax [I] Size of lpszStr
1925 * dwMS [I] Number of milliseconds
1926 * iDigits [I] Number of digits to print
1929 * The length of the formatted string, or 0 if any parameter is invalid.
1932 * This implementation mimics the Win32 behaviour of always writing a leading
1933 * space before the time interval begins.
1935 * iDigits is used to provide approximate times if accuracy is not important.
1936 * This number of digits will be written of the first non-zero time class
1937 * (hours/minutes/seconds). If this does not complete the time classification,
1938 * the remaining digits are changed to zeros (i.e. The time is _not_ rounded).
1939 * If there are digits remaining following the writing of a time class, the
1940 * next time class will be written.
1942 * For example, given dwMS represents 138 hours,43 minutes and 15 seconds, the
1943 * following will result from the given values of iDigits:
1945 *| iDigits 1 2 3 4 5 ...
1946 *| lpszStr "100 hr" "130 hr" "138 hr" "138 hr 40 min" "138 hr 43 min" ...
1948 INT WINAPI StrFromTimeIntervalA(LPSTR lpszStr, UINT cchMax, DWORD dwMS,
1953 TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
1955 if (lpszStr && cchMax)
1958 StrFromTimeIntervalW(szBuff, sizeof(szBuff)/sizeof(WCHAR), dwMS, iDigits);
1959 WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszStr,cchMax,0,0);
1965 /*************************************************************************
1966 * StrFromTimeIntervalW [SHLWAPI.@]
1968 * See StrFromTimeIntervalA.
1970 INT WINAPI StrFromTimeIntervalW(LPWSTR lpszStr, UINT cchMax, DWORD dwMS,
1975 TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
1977 if (lpszStr && cchMax)
1980 DWORD dwHours, dwMinutes;
1982 if (!iDigits || cchMax == 1)
1988 /* Calculate the time classes */
1989 dwMS = (dwMS + 500) / 1000;
1990 dwHours = dwMS / 3600;
1991 dwMS -= dwHours * 3600;
1992 dwMinutes = dwMS / 60;
1993 dwMS -= dwMinutes * 60;
1998 iDigits = SHLWAPI_WriteTimeClass(szCopy, dwHours, IDS_TIME_INTERVAL_HOURS, iDigits);
2000 if (dwMinutes && iDigits)
2001 iDigits = SHLWAPI_WriteTimeClass(szCopy, dwMinutes, IDS_TIME_INTERVAL_MINUTES, iDigits);
2003 if (iDigits) /* Always write seconds if we have significant digits */
2004 SHLWAPI_WriteTimeClass(szCopy, dwMS, IDS_TIME_INTERVAL_SECONDS, iDigits);
2006 lstrcpynW(lpszStr, szCopy, cchMax);
2007 iRet = strlenW(lpszStr);
2012 /*************************************************************************
2013 * StrIsIntlEqualA [SHLWAPI.@]
2015 * Compare two strings.
2018 * bCase [I] Whether to compare case sensitively
2019 * lpszStr [I] First string to compare
2020 * lpszComp [I] Second string to compare
2021 * iLen [I] Length to compare
2024 * TRUE If the strings are equal.
2027 BOOL WINAPI StrIsIntlEqualA(BOOL bCase, LPCSTR lpszStr, LPCSTR lpszComp,
2032 TRACE("(%d,%s,%s,%d)\n", bCase,
2033 debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
2035 /* FIXME: This flag is undocumented and unknown by our CompareString.
2036 * We need a define for it.
2038 dwFlags = 0x10000000;
2039 if (!bCase) dwFlags |= NORM_IGNORECASE;
2041 return (CompareStringA(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
2044 /*************************************************************************
2045 * StrIsIntlEqualW [SHLWAPI.@]
2047 * See StrIsIntlEqualA.
2049 BOOL WINAPI StrIsIntlEqualW(BOOL bCase, LPCWSTR lpszStr, LPCWSTR lpszComp,
2054 TRACE("(%d,%s,%s,%d)\n", bCase,
2055 debugstr_w(lpszStr),debugstr_w(lpszComp), iLen);
2057 /* FIXME: This flag is undocumented and unknown by our CompareString.
2058 * We need a define for it.
2060 dwFlags = 0x10000000;
2061 if (!bCase) dwFlags |= NORM_IGNORECASE;
2063 return (CompareStringW(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
2066 /*************************************************************************
2069 * Copy a string to another string, up to a maximum number of characters.
2072 * lpszDest [O] Destination string
2073 * lpszSrc [I] Source string
2074 * iLen [I] Maximum number of chars to copy
2077 * Success: A pointer to the last character written to lpszDest.
2078 * Failure: lpszDest, if any arguments are invalid.
2080 LPSTR WINAPI StrCpyNXA(LPSTR lpszDest, LPCSTR lpszSrc, int iLen)
2082 TRACE("(%p,%s,%i)\n", lpszDest, debugstr_a(lpszSrc), iLen);
2084 if (lpszDest && lpszSrc && iLen > 0)
2086 while ((iLen-- > 1) && *lpszSrc)
2087 *lpszDest++ = *lpszSrc++;
2094 /*************************************************************************
2097 * Unicode version of StrCpyNXA.
2099 LPWSTR WINAPI StrCpyNXW(LPWSTR lpszDest, LPCWSTR lpszSrc, int iLen)
2101 TRACE("(%p,%s,%i)\n", lpszDest, debugstr_w(lpszSrc), iLen);
2103 if (lpszDest && lpszSrc && iLen > 0)
2105 while ((iLen-- > 1) && *lpszSrc)
2106 *lpszDest++ = *lpszSrc++;
2113 /*************************************************************************
2114 * StrCmpLogicalW [SHLWAPI.@]
2116 * Compare two strings, ignoring case and comparing digits as numbers.
2119 * lpszStr [I] First string to compare
2120 * lpszComp [I] Second string to compare
2121 * iLen [I] Length to compare
2124 * TRUE If the strings are equal.
2127 INT WINAPI StrCmpLogicalW(LPCWSTR lpszStr, LPCWSTR lpszComp)
2131 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
2133 if (lpszStr && lpszComp)
2139 else if (isdigitW(*lpszStr))
2143 if (!isdigitW(*lpszComp))
2146 /* Compare the numbers */
2147 StrToIntExW(lpszStr, 0, &iStr);
2148 StrToIntExW(lpszComp, 0, &iComp);
2152 else if (iStr > iComp)
2156 while (isdigitW(*lpszStr))
2158 while (isdigitW(*lpszComp))
2161 else if (isdigitW(*lpszComp))
2165 iDiff = ChrCmpIW(*lpszStr,*lpszComp);
2181 /* Structure for formatting byte strings */
2182 typedef struct tagSHLWAPI_BYTEFORMATS
2189 } SHLWAPI_BYTEFORMATS;
2191 /*************************************************************************
2192 * StrFormatByteSizeW [SHLWAPI.@]
2194 * Create a string containing an abbreviated byte count of up to 2^63-1.
2197 * llBytes [I] Byte size to format
2198 * lpszDest [I] Destination for formatted string
2199 * cchMax [I] Size of lpszDest
2205 * There is no StrFormatByteSize64W function, it is called StrFormatByteSizeW().
2207 LPWSTR WINAPI StrFormatByteSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
2209 #define KB ((ULONGLONG)1024)
2211 #define GB (KB*KB*KB)
2212 #define TB (KB*KB*KB*KB)
2213 #define PB (KB*KB*KB*KB*KB)
2215 static const SHLWAPI_BYTEFORMATS bfFormats[] =
2217 { 10*KB, 10.24, 100.0, 2, 'K' }, /* 10 KB */
2218 { 100*KB, 102.4, 10.0, 1, 'K' }, /* 100 KB */
2219 { 1000*KB, 1024.0, 1.0, 0, 'K' }, /* 1000 KB */
2220 { 10*MB, 10485.76, 100.0, 2, 'M' }, /* 10 MB */
2221 { 100*MB, 104857.6, 10.0, 1, 'M' }, /* 100 MB */
2222 { 1000*MB, 1048576.0, 1.0, 0, 'M' }, /* 1000 MB */
2223 { 10*GB, 10737418.24, 100.0, 2, 'G' }, /* 10 GB */
2224 { 100*GB, 107374182.4, 10.0, 1, 'G' }, /* 100 GB */
2225 { 1000*GB, 1073741824.0, 1.0, 0, 'G' }, /* 1000 GB */
2226 { 10*TB, 10485.76, 100.0, 2, 'T' }, /* 10 TB */
2227 { 100*TB, 104857.6, 10.0, 1, 'T' }, /* 100 TB */
2228 { 1000*TB, 1048576.0, 1.0, 0, 'T' }, /* 1000 TB */
2229 { 10*PB, 10737418.24, 100.00, 2, 'P' }, /* 10 PB */
2230 { 100*PB, 107374182.4, 10.00, 1, 'P' }, /* 100 PB */
2231 { 1000*PB, 1073741824.0, 1.00, 0, 'P' }, /* 1000 PB */
2232 { 0, 10995116277.76, 100.00, 2, 'E' } /* EB's, catch all */
2234 WCHAR wszAdd[] = {' ','?','B',0};
2238 TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
2240 if (!lpszDest || !cchMax)
2243 if (llBytes < 1024) /* 1K */
2245 WCHAR wszBytesFormat[64];
2246 LoadStringW(shlwapi_hInstance, IDS_BYTES_FORMAT, wszBytesFormat, 64);
2247 snprintfW(lpszDest, cchMax, wszBytesFormat, (long)llBytes);
2251 /* Note that if this loop completes without finding a match, i will be
2252 * pointing at the last entry, which is a catch all for > 1000 PB
2254 while (i < sizeof(bfFormats) / sizeof(SHLWAPI_BYTEFORMATS) - 1)
2256 if (llBytes < bfFormats[i].dLimit)
2260 /* Above 1 TB we encounter problems with FP accuracy. So for amounts above
2261 * this number we integer shift down by 1 MB first. The table above has
2262 * the divisors scaled down from the '< 10 TB' entry onwards, to account
2263 * for this. We also add a small fudge factor to get the correct result for
2264 * counts that lie exactly on a 1024 byte boundary.
2267 dBytes = (double)(llBytes >> 20) + 0.001; /* Scale down by I MB */
2269 dBytes = (double)llBytes + 0.00001;
2271 dBytes = floor(dBytes / bfFormats[i].dDivisor) / bfFormats[i].dNormaliser;
2273 if (!FormatDouble(dBytes, bfFormats[i].nDecimals, lpszDest, cchMax))
2275 wszAdd[1] = bfFormats[i].wPrefix;
2276 StrCatBuffW(lpszDest, wszAdd, cchMax);
2280 /*************************************************************************
2281 * StrFormatByteSize64A [SHLWAPI.@]
2283 * See StrFormatByteSizeW.
2285 LPSTR WINAPI StrFormatByteSize64A(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
2289 StrFormatByteSizeW(llBytes, wszBuff, sizeof(wszBuff)/sizeof(WCHAR));
2292 WideCharToMultiByte(CP_ACP, 0, wszBuff, -1, lpszDest, cchMax, 0, 0);
2296 /*************************************************************************
2297 * StrFormatByteSizeA [SHLWAPI.@]
2299 * Create a string containing an abbreviated byte count of up to 2^31-1.
2302 * dwBytes [I] Byte size to format
2303 * lpszDest [I] Destination for formatted string
2304 * cchMax [I] Size of lpszDest
2310 * The Ascii and Unicode versions of this function accept a different
2311 * integer type for dwBytes. See StrFormatByteSize64A().
2313 LPSTR WINAPI StrFormatByteSizeA(DWORD dwBytes, LPSTR lpszDest, UINT cchMax)
2315 TRACE("(%d,%p,%d)\n", dwBytes, lpszDest, cchMax);
2317 return StrFormatByteSize64A(dwBytes, lpszDest, cchMax);
2320 /*************************************************************************
2323 * Remove a hanging lead byte from the end of a string, if present.
2326 * lpStr [I] String to check for a hanging lead byte
2327 * size [I] Length of lpStr
2330 * Success: The new length of the string. Any hanging lead bytes are removed.
2331 * Failure: 0, if any parameters are invalid.
2333 DWORD WINAPI SHTruncateString(LPSTR lpStr, DWORD size)
2337 LPSTR lastByte = lpStr + size - 1;
2339 while(lpStr < lastByte)
2340 lpStr += IsDBCSLeadByte(*lpStr) ? 2 : 1;
2342 if(lpStr == lastByte && IsDBCSLeadByte(*lpStr))
2352 /*************************************************************************
2355 * Remove a single non-trailing ampersand ('&') from a string.
2358 * lpszStr [I/O] String to remove ampersand from.
2361 * The character after the first ampersand in lpszStr, or the first character
2362 * in lpszStr if there is no ampersand in the string.
2364 char WINAPI SHStripMneumonicA(LPCSTR lpszStr)
2366 LPSTR lpszIter, lpszTmp;
2369 TRACE("(%s)\n", debugstr_a(lpszStr));
2373 if ((lpszIter = StrChrA(lpszStr, '&')))
2375 lpszTmp = CharNextA(lpszIter);
2376 if (lpszTmp && *lpszTmp)
2378 if (*lpszTmp != '&')
2381 while (lpszIter && *lpszIter)
2383 lpszTmp = CharNextA(lpszIter);
2384 *lpszIter = *lpszTmp;
2393 /*************************************************************************
2396 * Unicode version of SHStripMneumonicA.
2398 WCHAR WINAPI SHStripMneumonicW(LPCWSTR lpszStr)
2400 LPWSTR lpszIter, lpszTmp;
2403 TRACE("(%s)\n", debugstr_w(lpszStr));
2407 if ((lpszIter = StrChrW(lpszStr, '&')))
2409 lpszTmp = lpszIter + 1;
2410 if (lpszTmp && *lpszTmp)
2412 if (*lpszTmp != '&')
2415 while (lpszIter && *lpszIter)
2417 lpszTmp = lpszIter + 1;
2418 *lpszIter = *lpszTmp;
2427 /*************************************************************************
2430 * Convert an Ascii string to Unicode.
2433 * dwCp [I] Code page for the conversion
2434 * lpSrcStr [I] Source Ascii string to convert
2435 * lpDstStr [O] Destination for converted Unicode string
2436 * iLen [I] Length of lpDstStr
2439 * The return value of the MultiByteToWideChar() function called on lpSrcStr.
2441 DWORD WINAPI SHAnsiToUnicodeCP(DWORD dwCp, LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
2445 dwRet = MultiByteToWideChar(dwCp, 0, lpSrcStr, -1, lpDstStr, iLen);
2446 TRACE("%s->%s,ret=%d\n", debugstr_a(lpSrcStr), debugstr_w(lpDstStr), dwRet);
2450 /*************************************************************************
2453 * Convert an Ascii string to Unicode.
2456 * lpSrcStr [I] Source Ascii string to convert
2457 * lpDstStr [O] Destination for converted Unicode string
2458 * iLen [I] Length of lpDstStr
2461 * The return value of the MultiByteToWideChar() function called on lpSrcStr.
2464 * This function simply calls SHAnsiToUnicodeCP with code page CP_ACP.
2466 DWORD WINAPI SHAnsiToUnicode(LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
2468 return SHAnsiToUnicodeCP(CP_ACP, lpSrcStr, lpDstStr, iLen);
2471 /*************************************************************************
2474 * Convert a Unicode string to Ascii.
2477 * CodePage [I] Code page to use for the conversion
2478 * lpSrcStr [I] Source Unicode string to convert
2479 * lpDstStr [O] Destination for converted Ascii string
2480 * lpiLen [I/O] Input length of lpDstStr/destination for length of lpDstStr
2483 * Success: The number of characters that result from the conversion.
2486 INT WINAPI SHUnicodeToAnsiCP(UINT CodePage, LPCWSTR lpSrcStr, LPSTR lpDstStr,
2489 static const WCHAR emptyW[] = { '\0' };
2493 if (!lpDstStr || !lpiLen)
2501 len = strlenW(lpSrcStr) + 1;
2506 CodePage = CP_UTF8; /* Fall through... */
2507 case 0x0000C350: /* FIXME: CP_ #define */
2512 INT nWideCharCount = len - 1;
2514 if (!ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &nWideCharCount, lpDstStr,
2518 if (nWideCharCount < len - 1)
2520 mem = HeapAlloc(GetProcessHeap(), 0, *lpiLen);
2526 if (ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &len, mem, lpiLen))
2528 SHTruncateString(mem, *lpiLen);
2529 lstrcpynA(lpDstStr, mem, *lpiLen + 1);
2530 HeapFree(GetProcessHeap(), 0, mem);
2533 HeapFree(GetProcessHeap(), 0, mem);
2536 lpDstStr[*lpiLen] = '\0';
2543 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, lpDstStr,
2544 *lpiLen, NULL, NULL);
2546 if (!reqLen && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
2548 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, NULL, 0, NULL, NULL);
2551 mem = HeapAlloc(GetProcessHeap(), 0, reqLen);
2554 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, mem,
2555 reqLen, NULL, NULL);
2557 reqLen = SHTruncateString(mem, *lpiLen);
2560 lstrcpynA(lpDstStr, mem, *lpiLen);
2562 HeapFree(GetProcessHeap(), 0, mem);
2569 /*************************************************************************
2572 * Convert a Unicode string to Ascii.
2575 * lpSrcStr [I] Source Unicode string to convert
2576 * lpDstStr [O] Destination for converted Ascii string
2577 * iLen [O] Length of lpDstStr in characters
2580 * See SHUnicodeToAnsiCP
2583 * This function simply calls SHUnicodeToAnsiCP() with CodePage = CP_ACP.
2585 INT WINAPI SHUnicodeToAnsi(LPCWSTR lpSrcStr, LPSTR lpDstStr, INT iLen)
2589 return SHUnicodeToAnsiCP(CP_ACP, lpSrcStr, lpDstStr, &myint);
2592 /*************************************************************************
2595 * Copy one string to another.
2598 * lpszSrc [I] Source string to copy
2599 * lpszDst [O] Destination for copy
2600 * iLen [I] Length of lpszDst in characters
2603 * The length of the copied string, including the terminating NUL. lpszDst
2604 * contains iLen characters of lpszSrc.
2606 DWORD WINAPI SHAnsiToAnsi(LPCSTR lpszSrc, LPSTR lpszDst, int iLen)
2610 TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszSrc), lpszDst, iLen);
2612 lpszRet = StrCpyNXA(lpszDst, lpszSrc, iLen);
2613 return lpszRet - lpszDst + 1;
2616 /*************************************************************************
2619 * Unicode version of SSHAnsiToAnsi.
2621 DWORD WINAPI SHUnicodeToUnicode(LPCWSTR lpszSrc, LPWSTR lpszDst, int iLen)
2625 TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszSrc), lpszDst, iLen);
2627 lpszRet = StrCpyNXW(lpszDst, lpszSrc, iLen);
2628 return lpszRet - lpszDst + 1;
2631 /*************************************************************************
2634 * Determine if an Ascii string converts to Unicode and back identically.
2637 * lpSrcStr [I] Source Unicode string to convert
2638 * lpDst [O] Destination for resulting Ascii string
2639 * iLen [I] Length of lpDst in characters
2642 * TRUE, since Ascii strings always convert identically.
2644 BOOL WINAPI DoesStringRoundTripA(LPCSTR lpSrcStr, LPSTR lpDst, INT iLen)
2646 lstrcpynA(lpDst, lpSrcStr, iLen);
2650 /*************************************************************************
2653 * Determine if a Unicode string converts to Ascii and back identically.
2656 * lpSrcStr [I] Source Unicode string to convert
2657 * lpDst [O] Destination for resulting Ascii string
2658 * iLen [I] Length of lpDst in characters
2661 * TRUE, if lpSrcStr converts to Ascii and back identically,
2664 BOOL WINAPI DoesStringRoundTripW(LPCWSTR lpSrcStr, LPSTR lpDst, INT iLen)
2666 WCHAR szBuff[MAX_PATH];
2668 SHUnicodeToAnsi(lpSrcStr, lpDst, iLen);
2669 SHAnsiToUnicode(lpDst, szBuff, MAX_PATH);
2670 return !strcmpW(lpSrcStr, szBuff);
2673 /*************************************************************************
2674 * SHLoadIndirectString [SHLWAPI.@]
2676 * If passed a string that begins with '@', extract the string from the
2677 * appropriate resource, otherwise do a straight copy.
2680 HRESULT WINAPI SHLoadIndirectString(LPCWSTR src, LPWSTR dst, UINT dst_len, void **reserved)
2682 WCHAR *dllname = NULL;
2683 HMODULE hmod = NULL;
2684 HRESULT hr = E_FAIL;
2686 TRACE("(%s %p %08x %p)\n", debugstr_w(src), dst, dst_len, reserved);
2694 dllname = StrDupW(src + 1);
2695 index_str = strchrW(dllname, ',');
2697 if(!index_str) goto end;
2701 index = atoiW(index_str);
2703 hmod = LoadLibraryW(dllname);
2708 if(LoadStringW(hmod, -index, dst, dst_len))
2712 FIXME("can't handle non-negative indices (%d)\n", index);
2717 lstrcpynW(dst, src, dst_len);
2721 TRACE("returning %s\n", debugstr_w(dst));
2723 if(hmod) FreeLibrary(hmod);
2724 HeapFree(GetProcessHeap(), 0, dllname);