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 * StrChrNW [SHLWAPI.@]
324 LPWSTR WINAPI StrChrNW(LPCWSTR lpszStr, WCHAR ch, UINT cchMax)
326 TRACE("(%s(%i),%i)\n", debugstr_wn(lpszStr,cchMax), cchMax, ch);
330 while (*lpszStr && cchMax-- > 0)
333 return (LPWSTR)lpszStr;
340 /*************************************************************************
341 * StrCmpIW [SHLWAPI.@]
343 * Compare two strings, ignoring case.
346 * lpszStr [I] First string to compare
347 * lpszComp [I] Second string to compare
350 * An integer less than, equal to or greater than 0, indicating that
351 * lpszStr is less than, the same, or greater than lpszComp.
353 int WINAPI StrCmpIW(LPCWSTR lpszStr, LPCWSTR lpszComp)
357 TRACE("(%s,%s)\n", debugstr_w(lpszStr),debugstr_w(lpszComp));
359 iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, -1, lpszComp, -1);
360 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
363 /*************************************************************************
364 * StrCmpNA [SHLWAPI.@]
366 * Compare two strings, up to a maximum length.
369 * lpszStr [I] First string to compare
370 * lpszComp [I] Second string to compare
371 * iLen [I] Maximum number of chars to compare.
374 * An integer less than, equal to or greater than 0, indicating that
375 * lpszStr is less than, the same, or greater than lpszComp.
377 INT WINAPI StrCmpNA(LPCSTR lpszStr, LPCSTR lpszComp, INT iLen)
381 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
383 iRet = CompareStringA(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
384 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
387 /*************************************************************************
388 * StrCmpNW [SHLWAPI.@]
392 INT WINAPI StrCmpNW(LPCWSTR lpszStr, LPCWSTR lpszComp, INT iLen)
396 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
398 iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
399 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
402 /*************************************************************************
403 * StrCmpNIA [SHLWAPI.@]
405 * Compare two strings, up to a maximum length, ignoring case.
408 * lpszStr [I] First string to compare
409 * lpszComp [I] Second string to compare
410 * iLen [I] Maximum number of chars to compare.
413 * An integer less than, equal to or greater than 0, indicating that
414 * lpszStr is less than, the same, or greater than lpszComp.
416 int WINAPI StrCmpNIA(LPCSTR lpszStr, LPCSTR lpszComp, int iLen)
420 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
422 iRet = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
423 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
426 /*************************************************************************
427 * StrCmpNIW [SHLWAPI.@]
431 INT WINAPI StrCmpNIW(LPCWSTR lpszStr, LPCWSTR lpszComp, int iLen)
435 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
437 iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
438 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
441 /*************************************************************************
442 * StrCmpW [SHLWAPI.@]
444 * Compare two strings.
447 * lpszStr [I] First string to compare
448 * lpszComp [I] Second string to compare
451 * An integer less than, equal to or greater than 0, indicating that
452 * lpszStr is less than, the same, or greater than lpszComp.
454 int WINAPI StrCmpW(LPCWSTR lpszStr, LPCWSTR lpszComp)
458 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
460 iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, -1, lpszComp, -1);
461 return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
464 /*************************************************************************
465 * StrCatW [SHLWAPI.@]
467 * Concatenate two strings.
470 * lpszStr [O] Initial string
471 * lpszSrc [I] String to concatenate
476 LPWSTR WINAPI StrCatW(LPWSTR lpszStr, LPCWSTR lpszSrc)
478 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSrc));
480 strcatW(lpszStr, lpszSrc);
484 /*************************************************************************
485 * StrCpyW [SHLWAPI.@]
487 * Copy a string to another string.
490 * lpszStr [O] Destination string
491 * lpszSrc [I] Source string
496 LPWSTR WINAPI StrCpyW(LPWSTR lpszStr, LPCWSTR lpszSrc)
498 TRACE("(%p,%s)\n", lpszStr, debugstr_w(lpszSrc));
500 strcpyW(lpszStr, lpszSrc);
504 /*************************************************************************
505 * StrCpyNW [SHLWAPI.@]
507 * Copy a string to another string, up to a maximum number of characters.
510 * dst [O] Destination string
511 * src [I] Source string
512 * count [I] Maximum number of chars to copy
517 LPWSTR WINAPI StrCpyNW(LPWSTR dst, LPCWSTR src, int count)
522 TRACE("(%p,%s,%i)\n", dst, debugstr_w(src), count);
526 while ((count > 1) && *s)
537 /*************************************************************************
538 * SHLWAPI_StrStrHelperA
540 * Internal implementation of StrStrA/StrStrIA
542 static LPSTR SHLWAPI_StrStrHelperA(LPCSTR lpszStr, LPCSTR lpszSearch,
543 INT (WINAPI *pStrCmpFn)(LPCSTR,LPCSTR,INT))
547 if (!lpszStr || !lpszSearch || !*lpszSearch)
550 iLen = strlen(lpszSearch);
554 if (!pStrCmpFn(lpszStr, lpszSearch, iLen))
555 return (LPSTR)lpszStr;
556 lpszStr = CharNextA(lpszStr);
561 /*************************************************************************
562 * StrStrA [SHLWAPI.@]
564 * Find a substring within a string.
567 * lpszStr [I] String to search in
568 * lpszSearch [I] String to look for
571 * The start of lpszSearch within lpszStr, or NULL if not found.
573 LPSTR WINAPI StrStrA(LPCSTR lpszStr, LPCSTR lpszSearch)
575 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
577 return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, StrCmpNA);
580 /*************************************************************************
581 * StrStrW [SHLWAPI.@]
585 LPWSTR WINAPI StrStrW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
587 if (!lpszStr || !lpszSearch) return NULL;
588 return strstrW( lpszStr, lpszSearch );
591 /*************************************************************************
592 * StrRStrIA [SHLWAPI.@]
594 * Find the last occurrence of a substring within a string.
597 * lpszStr [I] String to search in
598 * lpszEnd [I] End of lpszStr
599 * lpszSearch [I] String to look for
602 * The last occurrence lpszSearch within lpszStr, or NULL if not found.
604 LPSTR WINAPI StrRStrIA(LPCSTR lpszStr, LPCSTR lpszEnd, LPCSTR lpszSearch)
609 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
611 if (!lpszStr || !lpszSearch || !*lpszSearch)
615 lpszEnd = lpszStr + lstrlenA(lpszStr);
616 if (lpszEnd == lpszStr)
619 if (IsDBCSLeadByte(*lpszSearch))
620 ch1 = *lpszSearch << 8 | (UCHAR)lpszSearch[1];
623 iLen = lstrlenA(lpszSearch);
627 lpszEnd = CharPrevA(lpszStr, lpszEnd);
628 ch2 = IsDBCSLeadByte(*lpszEnd)? *lpszEnd << 8 | (UCHAR)lpszEnd[1] : *lpszEnd;
629 if (!ChrCmpIA(ch1, ch2))
631 if (!StrCmpNIA(lpszEnd, lpszSearch, iLen))
632 return (LPSTR)lpszEnd;
634 } while (lpszEnd > lpszStr);
638 /*************************************************************************
639 * StrRStrIW [SHLWAPI.@]
643 LPWSTR WINAPI StrRStrIW(LPCWSTR lpszStr, LPCWSTR lpszEnd, LPCWSTR lpszSearch)
647 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
649 if (!lpszStr || !lpszSearch || !*lpszSearch)
653 lpszEnd = lpszStr + strlenW(lpszStr);
655 iLen = strlenW(lpszSearch);
657 while (lpszEnd > lpszStr)
660 if (!StrCmpNIW(lpszEnd, lpszSearch, iLen))
661 return (LPWSTR)lpszEnd;
666 /*************************************************************************
667 * StrStrIA [SHLWAPI.@]
669 * Find a substring within a string, ignoring case.
672 * lpszStr [I] String to search in
673 * lpszSearch [I] String to look for
676 * The start of lpszSearch within lpszStr, or NULL if not found.
678 LPSTR WINAPI StrStrIA(LPCSTR lpszStr, LPCSTR lpszSearch)
680 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
682 return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, StrCmpNIA);
685 /*************************************************************************
686 * StrStrIW [SHLWAPI.@]
690 LPWSTR WINAPI StrStrIW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
694 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
696 if (!lpszStr || !lpszSearch || !*lpszSearch)
699 iLen = strlenW(lpszSearch);
703 if (!StrCmpNIW(lpszStr, lpszSearch, iLen))
704 return (LPWSTR)lpszStr;
710 /*************************************************************************
711 * StrToIntA [SHLWAPI.@]
713 * Read a signed integer from a string.
716 * lpszStr [I] String to read integer from
719 * The signed integer value represented by the string, or 0 if no integer is
723 * No leading space is allowed before the number, although a leading '-' is.
725 int WINAPI StrToIntA(LPCSTR lpszStr)
729 TRACE("(%s)\n", debugstr_a(lpszStr));
733 WARN("Invalid lpszStr would crash under Win32!\n");
737 if (*lpszStr == '-' || isdigit(*lpszStr))
738 StrToIntExA(lpszStr, 0, &iRet);
742 /*************************************************************************
743 * StrToIntW [SHLWAPI.@]
747 int WINAPI StrToIntW(LPCWSTR lpszStr)
751 TRACE("(%s)\n", debugstr_w(lpszStr));
755 WARN("Invalid lpszStr would crash under Win32!\n");
759 if (*lpszStr == '-' || isdigitW(*lpszStr))
760 StrToIntExW(lpszStr, 0, &iRet);
764 /*************************************************************************
765 * StrToIntExA [SHLWAPI.@]
767 * Read an integer from a string.
770 * lpszStr [I] String to read integer from
771 * dwFlags [I] Flags controlling the conversion
772 * lpiRet [O] Destination for read integer.
775 * Success: TRUE. lpiRet contains the integer value represented by the string.
776 * Failure: FALSE, if the string is invalid, or no number is present.
779 * Leading whitespace, '-' and '+' are allowed before the number. If
780 * dwFlags includes STIF_SUPPORT_HEX, hexadecimal numbers are allowed, if
781 * preceded by '0x'. If this flag is not set, or there is no '0x' prefix,
782 * the string is treated as a decimal string. A leading '-' is ignored for
783 * hexadecimal numbers.
785 BOOL WINAPI StrToIntExA(LPCSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
787 BOOL bNegative = FALSE;
790 TRACE("(%s,%08X,%p)\n", debugstr_a(lpszStr), dwFlags, lpiRet);
792 if (!lpszStr || !lpiRet)
794 WARN("Invalid parameter would crash under Win32!\n");
797 if (dwFlags > STIF_SUPPORT_HEX)
799 WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
802 /* Skip leading space, '+', '-' */
803 while (isspace(*lpszStr))
804 lpszStr = CharNextA(lpszStr);
811 else if (*lpszStr == '+')
814 if (dwFlags & STIF_SUPPORT_HEX &&
815 *lpszStr == '0' && tolower(lpszStr[1]) == 'x')
817 /* Read hex number */
820 if (!isxdigit(*lpszStr))
823 while (isxdigit(*lpszStr))
826 if (isdigit(*lpszStr))
827 iRet += (*lpszStr - '0');
829 iRet += 10 + (tolower(*lpszStr) - 'a');
836 /* Read decimal number */
837 if (!isdigit(*lpszStr))
840 while (isdigit(*lpszStr))
843 iRet += (*lpszStr - '0');
846 *lpiRet = bNegative ? -iRet : iRet;
850 /*************************************************************************
851 * StrToIntExW [SHLWAPI.@]
855 BOOL WINAPI StrToIntExW(LPCWSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
857 BOOL bNegative = FALSE;
860 TRACE("(%s,%08X,%p)\n", debugstr_w(lpszStr), dwFlags, lpiRet);
862 if (!lpszStr || !lpiRet)
864 WARN("Invalid parameter would crash under Win32!\n");
867 if (dwFlags > STIF_SUPPORT_HEX)
869 WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
872 /* Skip leading space, '+', '-' */
873 while (isspaceW(*lpszStr)) lpszStr++;
880 else if (*lpszStr == '+')
883 if (dwFlags & STIF_SUPPORT_HEX &&
884 *lpszStr == '0' && tolowerW(lpszStr[1]) == 'x')
886 /* Read hex number */
889 if (!isxdigitW(*lpszStr))
892 while (isxdigitW(*lpszStr))
895 if (isdigitW(*lpszStr))
896 iRet += (*lpszStr - '0');
898 iRet += 10 + (tolowerW(*lpszStr) - 'a');
905 /* Read decimal number */
906 if (!isdigitW(*lpszStr))
909 while (isdigitW(*lpszStr))
912 iRet += (*lpszStr - '0');
915 *lpiRet = bNegative ? -iRet : iRet;
919 /*************************************************************************
920 * StrDupA [SHLWAPI.@]
922 * Duplicate a string.
925 * lpszStr [I] String to duplicate.
928 * Success: A pointer to a new string containing the contents of lpszStr
929 * Failure: NULL, if memory cannot be allocated
932 * The string memory is allocated with LocalAlloc(), and so should be released
933 * by calling LocalFree().
935 LPSTR WINAPI StrDupA(LPCSTR lpszStr)
940 TRACE("(%s)\n",debugstr_a(lpszStr));
942 iLen = lpszStr ? strlen(lpszStr) + 1 : 1;
943 lpszRet = LocalAlloc(LMEM_FIXED, iLen);
948 memcpy(lpszRet, lpszStr, iLen);
955 /*************************************************************************
956 * StrDupW [SHLWAPI.@]
960 LPWSTR WINAPI StrDupW(LPCWSTR lpszStr)
965 TRACE("(%s)\n",debugstr_w(lpszStr));
967 iLen = (lpszStr ? strlenW(lpszStr) + 1 : 1) * sizeof(WCHAR);
968 lpszRet = LocalAlloc(LMEM_FIXED, iLen);
973 memcpy(lpszRet, lpszStr, iLen);
980 /*************************************************************************
981 * SHLWAPI_StrSpnHelperA
983 * Internal implementation of StrSpnA/StrCSpnA/StrCSpnIA
985 static int SHLWAPI_StrSpnHelperA(LPCSTR lpszStr, LPCSTR lpszMatch,
986 LPSTR (WINAPI *pStrChrFn)(LPCSTR,WORD),
989 LPCSTR lpszRead = lpszStr;
990 if (lpszStr && *lpszStr && lpszMatch)
994 LPCSTR lpszTest = pStrChrFn(lpszMatch, *lpszRead);
996 if (!bInvert && !lpszTest)
998 if (bInvert && lpszTest)
1000 lpszRead = CharNextA(lpszRead);
1003 return lpszRead - lpszStr;
1006 /*************************************************************************
1007 * StrSpnA [SHLWAPI.@]
1009 * Find the length of the start of a string that contains only certain
1013 * lpszStr [I] String to search
1014 * lpszMatch [I] Characters that can be in the substring
1017 * The length of the part of lpszStr containing only chars from lpszMatch,
1018 * or 0 if any parameter is invalid.
1020 int WINAPI StrSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
1022 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1024 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, FALSE);
1027 /*************************************************************************
1028 * StrSpnW [SHLWAPI.@]
1032 int WINAPI StrSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1034 if (!lpszStr || !lpszMatch) return 0;
1035 return strspnW( lpszStr, lpszMatch );
1038 /*************************************************************************
1039 * StrCSpnA [SHLWAPI.@]
1041 * Find the length of the start of a string that does not contain certain
1045 * lpszStr [I] String to search
1046 * lpszMatch [I] Characters that cannot be in the substring
1049 * The length of the part of lpszStr containing only chars not in lpszMatch,
1050 * or 0 if any parameter is invalid.
1052 int WINAPI StrCSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
1054 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1056 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, TRUE);
1059 /*************************************************************************
1060 * StrCSpnW [SHLWAPI.@]
1064 int WINAPI StrCSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1066 if (!lpszStr || !lpszMatch) return 0;
1067 return strcspnW( lpszStr, lpszMatch );
1070 /*************************************************************************
1071 * StrCSpnIA [SHLWAPI.@]
1073 * Find the length of the start of a string that does not contain certain
1074 * characters, ignoring case.
1077 * lpszStr [I] String to search
1078 * lpszMatch [I] Characters that cannot be in the substring
1081 * The length of the part of lpszStr containing only chars not in lpszMatch,
1082 * or 0 if any parameter is invalid.
1084 int WINAPI StrCSpnIA(LPCSTR lpszStr, LPCSTR lpszMatch)
1086 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1088 return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrIA, TRUE);
1091 /*************************************************************************
1092 * StrCSpnIW [SHLWAPI.@]
1096 int WINAPI StrCSpnIW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1098 LPCWSTR lpszRead = lpszStr;
1100 TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
1102 if (lpszStr && *lpszStr && lpszMatch)
1106 if (StrChrIW(lpszMatch, *lpszRead)) break;
1110 return lpszRead - lpszStr;
1113 /*************************************************************************
1114 * StrPBrkA [SHLWAPI.@]
1116 * Search a string for any of a group of characters.
1119 * lpszStr [I] String to search
1120 * lpszMatch [I] Characters to match
1123 * A pointer to the first matching character in lpszStr, or NULL if no
1126 LPSTR WINAPI StrPBrkA(LPCSTR lpszStr, LPCSTR lpszMatch)
1128 TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
1130 if (lpszStr && lpszMatch && *lpszMatch)
1134 if (StrChrA(lpszMatch, *lpszStr))
1135 return (LPSTR)lpszStr;
1136 lpszStr = CharNextA(lpszStr);
1142 /*************************************************************************
1143 * StrPBrkW [SHLWAPI.@]
1147 LPWSTR WINAPI StrPBrkW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
1149 if (!lpszStr || !lpszMatch) return NULL;
1150 return strpbrkW( lpszStr, lpszMatch );
1153 /*************************************************************************
1154 * SHLWAPI_StrRChrHelperA
1156 * Internal implementation of StrRChrA/StrRChrIA.
1158 static LPSTR SHLWAPI_StrRChrHelperA(LPCSTR lpszStr,
1159 LPCSTR lpszEnd, WORD ch,
1160 BOOL (WINAPI *pChrCmpFn)(WORD,WORD))
1162 LPCSTR lpszRet = NULL;
1169 lpszEnd = lpszStr + lstrlenA(lpszStr);
1171 while (*lpszStr && lpszStr <= lpszEnd)
1173 ch2 = IsDBCSLeadByte(*lpszStr)? *lpszStr << 8 | lpszStr[1] : *lpszStr;
1175 if (!pChrCmpFn(ch, ch2))
1177 lpszStr = CharNextA(lpszStr);
1180 return (LPSTR)lpszRet;
1183 /**************************************************************************
1184 * StrRChrA [SHLWAPI.@]
1186 * Find the last occurrence of a character in string.
1189 * lpszStr [I] String to search in
1190 * lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
1191 * ch [I] Character to search for.
1194 * Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
1195 * or NULL if not found.
1196 * Failure: NULL, if any arguments are invalid.
1198 LPSTR WINAPI StrRChrA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
1200 TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
1202 return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, SHLWAPI_ChrCmpA);
1205 /**************************************************************************
1206 * StrRChrW [SHLWAPI.@]
1210 LPWSTR WINAPI StrRChrW(LPCWSTR str, LPCWSTR end, WORD ch)
1214 if (!str) return NULL;
1215 if (!end) end = str + strlenW(str);
1218 if (*str == ch) ret = (WCHAR *)str;
1224 /**************************************************************************
1225 * StrRChrIA [SHLWAPI.@]
1227 * Find the last occurrence of a character in string, ignoring case.
1230 * lpszStr [I] String to search in
1231 * lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
1232 * ch [I] Character to search for.
1235 * Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
1236 * or NULL if not found.
1237 * Failure: NULL, if any arguments are invalid.
1239 LPSTR WINAPI StrRChrIA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
1241 TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
1243 return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, ChrCmpIA);
1246 /**************************************************************************
1247 * StrRChrIW [SHLWAPI.@]
1251 LPWSTR WINAPI StrRChrIW(LPCWSTR str, LPCWSTR end, WORD ch)
1255 if (!str) return NULL;
1256 if (!end) end = str + strlenW(str);
1259 if (!ChrCmpIW(*str, ch)) ret = (WCHAR *)str;
1265 /*************************************************************************
1266 * StrCatBuffA [SHLWAPI.@]
1268 * Concatenate two strings together.
1271 * lpszStr [O] String to concatenate to
1272 * lpszCat [I] String to add to lpszCat
1273 * cchMax [I] Maximum number of characters for the whole string
1279 * cchMax determines the number of characters in the final length of the
1280 * string, not the number appended to lpszStr from lpszCat.
1282 LPSTR WINAPI StrCatBuffA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
1286 TRACE("(%p,%s,%d)\n", lpszStr, debugstr_a(lpszCat), cchMax);
1290 WARN("Invalid lpszStr would crash under Win32!\n");
1294 iLen = strlen(lpszStr);
1298 StrCpyNA(lpszStr + iLen, lpszCat, cchMax);
1302 /*************************************************************************
1303 * StrCatBuffW [SHLWAPI.@]
1307 LPWSTR WINAPI StrCatBuffW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
1311 TRACE("(%p,%s,%d)\n", lpszStr, debugstr_w(lpszCat), cchMax);
1315 WARN("Invalid lpszStr would crash under Win32!\n");
1319 iLen = strlenW(lpszStr);
1323 StrCpyNW(lpszStr + iLen, lpszCat, cchMax);
1327 /*************************************************************************
1328 * StrRetToBufA [SHLWAPI.@]
1330 * Convert a STRRET to a normal string.
1333 * lpStrRet [O] STRRET to convert
1334 * pIdl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
1335 * lpszDest [O] Destination for normal string
1336 * dwLen [I] Length of lpszDest
1339 * Success: S_OK. lpszDest contains up to dwLen characters of the string.
1340 * If lpStrRet is of type STRRET_WSTR, its memory is freed with
1341 * CoTaskMemFree() and its type set to STRRET_CSTRA.
1342 * Failure: E_FAIL, if any parameters are invalid.
1344 HRESULT WINAPI StrRetToBufA (LPSTRRET src, const ITEMIDLIST *pidl, LPSTR dest, UINT len)
1347 * This routine is identical to that in dlls/shell32/shellstring.c.
1348 * It was duplicated because not every version of Shlwapi.dll exports
1349 * StrRetToBufA. If you change one routine, change them both.
1351 TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
1355 WARN("Invalid lpStrRet would crash under Win32!\n");
1369 WideCharToMultiByte(CP_ACP, 0, src->u.pOleStr, -1, dest, len, NULL, NULL);
1370 CoTaskMemFree(src->u.pOleStr);
1374 lstrcpynA(dest, src->u.cStr, len);
1378 lstrcpynA((LPSTR)dest, ((LPCSTR)&pidl->mkid)+src->u.uOffset, len);
1382 FIXME("unknown type!\n");
1388 /*************************************************************************
1389 * StrRetToBufW [SHLWAPI.@]
1393 HRESULT WINAPI StrRetToBufW (LPSTRRET src, const ITEMIDLIST *pidl, LPWSTR dest, UINT len)
1395 TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
1399 WARN("Invalid lpStrRet would crash under Win32!\n");
1413 lstrcpynW(dest, src->u.pOleStr, len);
1414 CoTaskMemFree(src->u.pOleStr);
1418 if (!MultiByteToWideChar( CP_ACP, 0, src->u.cStr, -1, dest, len ) && len)
1425 if (!MultiByteToWideChar( CP_ACP, 0, ((LPCSTR)&pidl->mkid)+src->u.uOffset, -1,
1432 FIXME("unknown type!\n");
1438 /*************************************************************************
1439 * StrRetToStrA [SHLWAPI.@]
1441 * Converts a STRRET to a normal string.
1444 * lpStrRet [O] STRRET to convert
1445 * pidl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
1446 * ppszName [O] Destination for converted string
1449 * Success: S_OK. ppszName contains the new string, allocated with CoTaskMemAlloc().
1450 * Failure: E_FAIL, if any parameters are invalid.
1452 HRESULT WINAPI StrRetToStrA(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPSTR *ppszName)
1454 HRESULT hRet = E_FAIL;
1456 switch (lpStrRet->uType)
1459 hRet = _SHStrDupAW(lpStrRet->u.pOleStr, ppszName);
1460 CoTaskMemFree(lpStrRet->u.pOleStr);
1464 hRet = _SHStrDupAA(lpStrRet->u.cStr, ppszName);
1468 hRet = _SHStrDupAA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
1478 /*************************************************************************
1479 * StrRetToStrW [SHLWAPI.@]
1483 HRESULT WINAPI StrRetToStrW(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPWSTR *ppszName)
1485 HRESULT hRet = E_FAIL;
1487 switch (lpStrRet->uType)
1490 hRet = SHStrDupW(lpStrRet->u.pOleStr, ppszName);
1491 CoTaskMemFree(lpStrRet->u.pOleStr);
1495 hRet = SHStrDupA(lpStrRet->u.cStr, ppszName);
1499 hRet = SHStrDupA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
1509 /* Create an ASCII string copy using SysAllocString() */
1510 static HRESULT _SHStrDupAToBSTR(LPCSTR src, BSTR *pBstrOut)
1516 INT len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0);
1517 WCHAR* szTemp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1521 MultiByteToWideChar(CP_ACP, 0, src, -1, szTemp, len);
1522 *pBstrOut = SysAllocString(szTemp);
1523 HeapFree(GetProcessHeap(), 0, szTemp);
1529 return E_OUTOFMEMORY;
1532 /*************************************************************************
1533 * StrRetToBSTR [SHLWAPI.@]
1535 * Converts a STRRET to a BSTR.
1538 * lpStrRet [O] STRRET to convert
1539 * pidl [I] ITEMIDLIST for lpStrRet->uType = STRRET_OFFSET
1540 * pBstrOut [O] Destination for converted BSTR
1543 * Success: S_OK. pBstrOut contains the new string.
1544 * Failure: E_FAIL, if any parameters are invalid.
1546 HRESULT WINAPI StrRetToBSTR(STRRET *lpStrRet, LPCITEMIDLIST pidl, BSTR* pBstrOut)
1548 HRESULT hRet = E_FAIL;
1550 switch (lpStrRet->uType)
1553 *pBstrOut = SysAllocString(lpStrRet->u.pOleStr);
1556 CoTaskMemFree(lpStrRet->u.pOleStr);
1560 hRet = _SHStrDupAToBSTR(lpStrRet->u.cStr, pBstrOut);
1564 hRet = _SHStrDupAToBSTR(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, pBstrOut);
1574 /*************************************************************************
1575 * StrFormatKBSizeA [SHLWAPI.@]
1577 * Create a formatted string containing a byte count in Kilobytes.
1580 * llBytes [I] Byte size to format
1581 * lpszDest [I] Destination for formatted string
1582 * cchMax [I] Size of lpszDest
1587 LPSTR WINAPI StrFormatKBSizeA(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
1591 if (!StrFormatKBSizeW(llBytes, wszBuf, 256))
1593 if (!WideCharToMultiByte(CP_ACP, 0, wszBuf, -1, lpszDest, cchMax, NULL, NULL))
1598 /*************************************************************************
1599 * StrFormatKBSizeW [SHLWAPI.@]
1601 * See StrFormatKBSizeA.
1603 LPWSTR WINAPI StrFormatKBSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
1605 static const WCHAR kb[] = {' ','K','B',0};
1606 LONGLONG llKB = (llBytes + 1023) >> 10;
1609 TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
1611 if (!FormatInt(llKB, lpszDest, cchMax))
1614 len = lstrlenW(lpszDest);
1615 if (cchMax - len < 4)
1617 lstrcatW(lpszDest, kb);
1621 /*************************************************************************
1622 * StrNCatA [SHLWAPI.@]
1624 * Concatenate two strings together.
1627 * lpszStr [O] String to concatenate to
1628 * lpszCat [I] String to add to lpszCat
1629 * cchMax [I] Maximum number of characters to concatenate
1635 * cchMax determines the number of characters that are appended to lpszStr,
1636 * not the total length of the string.
1638 LPSTR WINAPI StrNCatA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
1640 LPSTR lpszRet = lpszStr;
1642 TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszCat), cchMax);
1646 WARN("Invalid lpszStr would crash under Win32!\n");
1650 StrCpyNA(lpszStr + strlen(lpszStr), lpszCat, cchMax);
1654 /*************************************************************************
1655 * StrNCatW [SHLWAPI.@]
1659 LPWSTR WINAPI StrNCatW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
1661 LPWSTR lpszRet = lpszStr;
1663 TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszCat), cchMax);
1667 WARN("Invalid lpszStr would crash under Win32\n");
1671 StrCpyNW(lpszStr + strlenW(lpszStr), lpszCat, cchMax);
1675 /*************************************************************************
1676 * StrTrimA [SHLWAPI.@]
1678 * Remove characters from the start and end of a string.
1681 * lpszStr [O] String to remove characters from
1682 * lpszTrim [I] Characters to remove from lpszStr
1685 * TRUE If lpszStr was valid and modified
1688 BOOL WINAPI StrTrimA(LPSTR lpszStr, LPCSTR lpszTrim)
1691 LPSTR lpszRead = lpszStr;
1694 TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszTrim));
1696 if (lpszRead && *lpszRead)
1698 while (*lpszRead && StrChrA(lpszTrim, *lpszRead))
1699 lpszRead = CharNextA(lpszRead); /* Skip leading matches */
1701 dwLen = strlen(lpszRead);
1703 if (lpszRead != lpszStr)
1705 memmove(lpszStr, lpszRead, dwLen + 1);
1710 lpszRead = lpszStr + dwLen;
1711 while (StrChrA(lpszTrim, lpszRead[-1]))
1712 lpszRead = CharPrevA(lpszStr, lpszRead); /* Skip trailing matches */
1714 if (lpszRead != lpszStr + dwLen)
1724 /*************************************************************************
1725 * StrTrimW [SHLWAPI.@]
1729 BOOL WINAPI StrTrimW(LPWSTR lpszStr, LPCWSTR lpszTrim)
1732 LPWSTR lpszRead = lpszStr;
1735 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszTrim));
1737 if (lpszRead && *lpszRead)
1739 while (*lpszRead && StrChrW(lpszTrim, *lpszRead)) lpszRead++;
1741 dwLen = strlenW(lpszRead);
1743 if (lpszRead != lpszStr)
1745 memmove(lpszStr, lpszRead, (dwLen + 1) * sizeof(WCHAR));
1750 lpszRead = lpszStr + dwLen;
1751 while (StrChrW(lpszTrim, lpszRead[-1]))
1752 lpszRead--; /* Skip trailing matches */
1754 if (lpszRead != lpszStr + dwLen)
1764 /*************************************************************************
1765 * _SHStrDupAA [INTERNAL]
1767 * Duplicates a ASCII string to ASCII. The destination buffer is allocated.
1769 static HRESULT _SHStrDupAA(LPCSTR src, LPSTR * dest)
1775 len = lstrlenA(src) + 1;
1776 *dest = CoTaskMemAlloc(len);
1782 lstrcpynA(*dest,src, len);
1788 TRACE("%s->(%p)\n", debugstr_a(src), *dest);
1792 /*************************************************************************
1793 * SHStrDupA [SHLWAPI.@]
1795 * Return a Unicode copy of a string, in memory allocated by CoTaskMemAlloc().
1798 * lpszStr [I] String to copy
1799 * lppszDest [O] Destination for the new string copy
1802 * Success: S_OK. lppszDest contains the new string in Unicode format.
1803 * Failure: E_OUTOFMEMORY, If any arguments are invalid or memory allocation
1806 HRESULT WINAPI SHStrDupA(LPCSTR lpszStr, LPWSTR * lppszDest)
1813 len = MultiByteToWideChar(0, 0, lpszStr, -1, 0, 0) * sizeof(WCHAR);
1814 *lppszDest = CoTaskMemAlloc(len);
1821 MultiByteToWideChar(0, 0, lpszStr, -1, *lppszDest, len/sizeof(WCHAR));
1825 hRet = E_OUTOFMEMORY;
1827 TRACE("%s->(%p)\n", debugstr_a(lpszStr), *lppszDest);
1831 /*************************************************************************
1832 * _SHStrDupAW [INTERNAL]
1834 * Duplicates a UNICODE to a ASCII string. The destination buffer is allocated.
1836 static HRESULT _SHStrDupAW(LPCWSTR src, LPSTR * dest)
1842 len = WideCharToMultiByte(CP_ACP, 0, src, -1, NULL, 0, NULL, NULL);
1843 *dest = CoTaskMemAlloc(len);
1849 WideCharToMultiByte(CP_ACP, 0, src, -1, *dest, len, NULL, NULL);
1855 TRACE("%s->(%p)\n", debugstr_w(src), *dest);
1859 /*************************************************************************
1860 * SHStrDupW [SHLWAPI.@]
1864 HRESULT WINAPI SHStrDupW(LPCWSTR src, LPWSTR * dest)
1870 len = (lstrlenW(src) + 1) * sizeof(WCHAR);
1871 *dest = CoTaskMemAlloc(len);
1877 memcpy(*dest, src, len);
1883 TRACE("%s->(%p)\n", debugstr_w(src), *dest);
1887 /*************************************************************************
1888 * SHLWAPI_WriteReverseNum
1890 * Internal helper for SHLWAPI_WriteTimeClass.
1892 static inline LPWSTR SHLWAPI_WriteReverseNum(LPWSTR lpszOut, DWORD dwNum)
1896 /* Write a decimal number to a string, backwards */
1899 DWORD dwNextDigit = dwNum % 10;
1900 *lpszOut-- = '0' + dwNextDigit;
1901 dwNum = (dwNum - dwNextDigit) / 10;
1902 } while (dwNum > 0);
1907 /*************************************************************************
1908 * SHLWAPI_FormatSignificant
1910 * Internal helper for SHLWAPI_WriteTimeClass.
1912 static inline int SHLWAPI_FormatSignificant(LPWSTR lpszNum, int dwDigits)
1914 /* Zero non significant digits, return remaining significant digits */
1918 if (--dwDigits == 0)
1928 /*************************************************************************
1929 * SHLWAPI_WriteTimeClass
1931 * Internal helper for StrFromTimeIntervalW.
1933 static int SHLWAPI_WriteTimeClass(LPWSTR lpszOut, DWORD dwValue,
1934 UINT uClassStringId, int iDigits)
1936 WCHAR szBuff[64], *szOut = szBuff + 32;
1938 szOut = SHLWAPI_WriteReverseNum(szOut, dwValue);
1939 iDigits = SHLWAPI_FormatSignificant(szOut + 1, iDigits);
1941 LoadStringW(shlwapi_hInstance, uClassStringId, szBuff + 32, 32);
1942 strcatW(lpszOut, szOut);
1946 /*************************************************************************
1947 * StrFromTimeIntervalA [SHLWAPI.@]
1949 * Format a millisecond time interval into a string
1952 * lpszStr [O] Output buffer for formatted time interval
1953 * cchMax [I] Size of lpszStr
1954 * dwMS [I] Number of milliseconds
1955 * iDigits [I] Number of digits to print
1958 * The length of the formatted string, or 0 if any parameter is invalid.
1961 * This implementation mimics the Win32 behaviour of always writing a leading
1962 * space before the time interval begins.
1964 * iDigits is used to provide approximate times if accuracy is not important.
1965 * This number of digits will be written of the first non-zero time class
1966 * (hours/minutes/seconds). If this does not complete the time classification,
1967 * the remaining digits are changed to zeros (i.e. The time is _not_ rounded).
1968 * If there are digits remaining following the writing of a time class, the
1969 * next time class will be written.
1971 * For example, given dwMS represents 138 hours,43 minutes and 15 seconds, the
1972 * following will result from the given values of iDigits:
1974 *| iDigits 1 2 3 4 5 ...
1975 *| lpszStr "100 hr" "130 hr" "138 hr" "138 hr 40 min" "138 hr 43 min" ...
1977 INT WINAPI StrFromTimeIntervalA(LPSTR lpszStr, UINT cchMax, DWORD dwMS,
1982 TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
1984 if (lpszStr && cchMax)
1987 StrFromTimeIntervalW(szBuff, sizeof(szBuff)/sizeof(WCHAR), dwMS, iDigits);
1988 WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszStr,cchMax,0,0);
1994 /*************************************************************************
1995 * StrFromTimeIntervalW [SHLWAPI.@]
1997 * See StrFromTimeIntervalA.
1999 INT WINAPI StrFromTimeIntervalW(LPWSTR lpszStr, UINT cchMax, DWORD dwMS,
2004 TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
2006 if (lpszStr && cchMax)
2009 DWORD dwHours, dwMinutes;
2011 if (!iDigits || cchMax == 1)
2017 /* Calculate the time classes */
2018 dwMS = (dwMS + 500) / 1000;
2019 dwHours = dwMS / 3600;
2020 dwMS -= dwHours * 3600;
2021 dwMinutes = dwMS / 60;
2022 dwMS -= dwMinutes * 60;
2027 iDigits = SHLWAPI_WriteTimeClass(szCopy, dwHours, IDS_TIME_INTERVAL_HOURS, iDigits);
2029 if (dwMinutes && iDigits)
2030 iDigits = SHLWAPI_WriteTimeClass(szCopy, dwMinutes, IDS_TIME_INTERVAL_MINUTES, iDigits);
2032 if (iDigits) /* Always write seconds if we have significant digits */
2033 SHLWAPI_WriteTimeClass(szCopy, dwMS, IDS_TIME_INTERVAL_SECONDS, iDigits);
2035 lstrcpynW(lpszStr, szCopy, cchMax);
2036 iRet = strlenW(lpszStr);
2041 /*************************************************************************
2042 * StrIsIntlEqualA [SHLWAPI.@]
2044 * Compare two strings.
2047 * bCase [I] Whether to compare case sensitively
2048 * lpszStr [I] First string to compare
2049 * lpszComp [I] Second string to compare
2050 * iLen [I] Length to compare
2053 * TRUE If the strings are equal.
2056 BOOL WINAPI StrIsIntlEqualA(BOOL bCase, LPCSTR lpszStr, LPCSTR lpszComp,
2061 TRACE("(%d,%s,%s,%d)\n", bCase,
2062 debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
2064 /* FIXME: This flag is undocumented and unknown by our CompareString.
2065 * We need a define for it.
2067 dwFlags = 0x10000000;
2068 if (!bCase) dwFlags |= NORM_IGNORECASE;
2070 return (CompareStringA(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
2073 /*************************************************************************
2074 * StrIsIntlEqualW [SHLWAPI.@]
2076 * See StrIsIntlEqualA.
2078 BOOL WINAPI StrIsIntlEqualW(BOOL bCase, LPCWSTR lpszStr, LPCWSTR lpszComp,
2083 TRACE("(%d,%s,%s,%d)\n", bCase,
2084 debugstr_w(lpszStr),debugstr_w(lpszComp), iLen);
2086 /* FIXME: This flag is undocumented and unknown by our CompareString.
2087 * We need a define for it.
2089 dwFlags = 0x10000000;
2090 if (!bCase) dwFlags |= NORM_IGNORECASE;
2092 return (CompareStringW(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
2095 /*************************************************************************
2098 * Copy a string to another string, up to a maximum number of characters.
2101 * lpszDest [O] Destination string
2102 * lpszSrc [I] Source string
2103 * iLen [I] Maximum number of chars to copy
2106 * Success: A pointer to the last character written to lpszDest.
2107 * Failure: lpszDest, if any arguments are invalid.
2109 LPSTR WINAPI StrCpyNXA(LPSTR lpszDest, LPCSTR lpszSrc, int iLen)
2111 TRACE("(%p,%s,%i)\n", lpszDest, debugstr_a(lpszSrc), iLen);
2113 if (lpszDest && lpszSrc && iLen > 0)
2115 while ((iLen-- > 1) && *lpszSrc)
2116 *lpszDest++ = *lpszSrc++;
2123 /*************************************************************************
2126 * Unicode version of StrCpyNXA.
2128 LPWSTR WINAPI StrCpyNXW(LPWSTR lpszDest, LPCWSTR lpszSrc, int iLen)
2130 TRACE("(%p,%s,%i)\n", lpszDest, debugstr_w(lpszSrc), iLen);
2132 if (lpszDest && lpszSrc && iLen > 0)
2134 while ((iLen-- > 1) && *lpszSrc)
2135 *lpszDest++ = *lpszSrc++;
2142 /*************************************************************************
2143 * StrCmpLogicalW [SHLWAPI.@]
2145 * Compare two strings, ignoring case and comparing digits as numbers.
2148 * lpszStr [I] First string to compare
2149 * lpszComp [I] Second string to compare
2150 * iLen [I] Length to compare
2153 * TRUE If the strings are equal.
2156 INT WINAPI StrCmpLogicalW(LPCWSTR lpszStr, LPCWSTR lpszComp)
2160 TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
2162 if (lpszStr && lpszComp)
2168 else if (isdigitW(*lpszStr))
2172 if (!isdigitW(*lpszComp))
2175 /* Compare the numbers */
2176 StrToIntExW(lpszStr, 0, &iStr);
2177 StrToIntExW(lpszComp, 0, &iComp);
2181 else if (iStr > iComp)
2185 while (isdigitW(*lpszStr))
2187 while (isdigitW(*lpszComp))
2190 else if (isdigitW(*lpszComp))
2194 iDiff = ChrCmpIW(*lpszStr,*lpszComp);
2210 /* Structure for formatting byte strings */
2211 typedef struct tagSHLWAPI_BYTEFORMATS
2218 } SHLWAPI_BYTEFORMATS;
2220 /*************************************************************************
2221 * StrFormatByteSizeW [SHLWAPI.@]
2223 * Create a string containing an abbreviated byte count of up to 2^63-1.
2226 * llBytes [I] Byte size to format
2227 * lpszDest [I] Destination for formatted string
2228 * cchMax [I] Size of lpszDest
2234 * There is no StrFormatByteSize64W function, it is called StrFormatByteSizeW().
2236 LPWSTR WINAPI StrFormatByteSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
2238 #define KB ((ULONGLONG)1024)
2240 #define GB (KB*KB*KB)
2241 #define TB (KB*KB*KB*KB)
2242 #define PB (KB*KB*KB*KB*KB)
2244 static const SHLWAPI_BYTEFORMATS bfFormats[] =
2246 { 10*KB, 10.24, 100.0, 2, 'K' }, /* 10 KB */
2247 { 100*KB, 102.4, 10.0, 1, 'K' }, /* 100 KB */
2248 { 1000*KB, 1024.0, 1.0, 0, 'K' }, /* 1000 KB */
2249 { 10*MB, 10485.76, 100.0, 2, 'M' }, /* 10 MB */
2250 { 100*MB, 104857.6, 10.0, 1, 'M' }, /* 100 MB */
2251 { 1000*MB, 1048576.0, 1.0, 0, 'M' }, /* 1000 MB */
2252 { 10*GB, 10737418.24, 100.0, 2, 'G' }, /* 10 GB */
2253 { 100*GB, 107374182.4, 10.0, 1, 'G' }, /* 100 GB */
2254 { 1000*GB, 1073741824.0, 1.0, 0, 'G' }, /* 1000 GB */
2255 { 10*TB, 10485.76, 100.0, 2, 'T' }, /* 10 TB */
2256 { 100*TB, 104857.6, 10.0, 1, 'T' }, /* 100 TB */
2257 { 1000*TB, 1048576.0, 1.0, 0, 'T' }, /* 1000 TB */
2258 { 10*PB, 10737418.24, 100.00, 2, 'P' }, /* 10 PB */
2259 { 100*PB, 107374182.4, 10.00, 1, 'P' }, /* 100 PB */
2260 { 1000*PB, 1073741824.0, 1.00, 0, 'P' }, /* 1000 PB */
2261 { 0, 10995116277.76, 100.00, 2, 'E' } /* EB's, catch all */
2263 WCHAR wszAdd[] = {' ','?','B',0};
2267 TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
2269 if (!lpszDest || !cchMax)
2272 if (llBytes < 1024) /* 1K */
2274 WCHAR wszBytesFormat[64];
2275 LoadStringW(shlwapi_hInstance, IDS_BYTES_FORMAT, wszBytesFormat, 64);
2276 snprintfW(lpszDest, cchMax, wszBytesFormat, (long)llBytes);
2280 /* Note that if this loop completes without finding a match, i will be
2281 * pointing at the last entry, which is a catch all for > 1000 PB
2283 while (i < sizeof(bfFormats) / sizeof(SHLWAPI_BYTEFORMATS) - 1)
2285 if (llBytes < bfFormats[i].dLimit)
2289 /* Above 1 TB we encounter problems with FP accuracy. So for amounts above
2290 * this number we integer shift down by 1 MB first. The table above has
2291 * the divisors scaled down from the '< 10 TB' entry onwards, to account
2292 * for this. We also add a small fudge factor to get the correct result for
2293 * counts that lie exactly on a 1024 byte boundary.
2296 dBytes = (double)(llBytes >> 20) + 0.001; /* Scale down by I MB */
2298 dBytes = (double)llBytes + 0.00001;
2300 dBytes = floor(dBytes / bfFormats[i].dDivisor) / bfFormats[i].dNormaliser;
2302 if (!FormatDouble(dBytes, bfFormats[i].nDecimals, lpszDest, cchMax))
2304 wszAdd[1] = bfFormats[i].wPrefix;
2305 StrCatBuffW(lpszDest, wszAdd, cchMax);
2309 /*************************************************************************
2310 * StrFormatByteSize64A [SHLWAPI.@]
2312 * See StrFormatByteSizeW.
2314 LPSTR WINAPI StrFormatByteSize64A(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
2318 StrFormatByteSizeW(llBytes, wszBuff, sizeof(wszBuff)/sizeof(WCHAR));
2321 WideCharToMultiByte(CP_ACP, 0, wszBuff, -1, lpszDest, cchMax, 0, 0);
2325 /*************************************************************************
2326 * StrFormatByteSizeA [SHLWAPI.@]
2328 * Create a string containing an abbreviated byte count of up to 2^31-1.
2331 * dwBytes [I] Byte size to format
2332 * lpszDest [I] Destination for formatted string
2333 * cchMax [I] Size of lpszDest
2339 * The Ascii and Unicode versions of this function accept a different
2340 * integer type for dwBytes. See StrFormatByteSize64A().
2342 LPSTR WINAPI StrFormatByteSizeA(DWORD dwBytes, LPSTR lpszDest, UINT cchMax)
2344 TRACE("(%d,%p,%d)\n", dwBytes, lpszDest, cchMax);
2346 return StrFormatByteSize64A(dwBytes, lpszDest, cchMax);
2349 /*************************************************************************
2352 * Remove a hanging lead byte from the end of a string, if present.
2355 * lpStr [I] String to check for a hanging lead byte
2356 * size [I] Length of lpStr
2359 * Success: The new length of the string. Any hanging lead bytes are removed.
2360 * Failure: 0, if any parameters are invalid.
2362 DWORD WINAPI SHTruncateString(LPSTR lpStr, DWORD size)
2366 LPSTR lastByte = lpStr + size - 1;
2368 while(lpStr < lastByte)
2369 lpStr += IsDBCSLeadByte(*lpStr) ? 2 : 1;
2371 if(lpStr == lastByte && IsDBCSLeadByte(*lpStr))
2381 /*************************************************************************
2384 * Remove a single non-trailing ampersand ('&') from a string.
2387 * lpszStr [I/O] String to remove ampersand from.
2390 * The character after the first ampersand in lpszStr, or the first character
2391 * in lpszStr if there is no ampersand in the string.
2393 char WINAPI SHStripMneumonicA(LPCSTR lpszStr)
2395 LPSTR lpszIter, lpszTmp;
2398 TRACE("(%s)\n", debugstr_a(lpszStr));
2402 if ((lpszIter = StrChrA(lpszStr, '&')))
2404 lpszTmp = CharNextA(lpszIter);
2405 if (lpszTmp && *lpszTmp)
2407 if (*lpszTmp != '&')
2410 while (lpszIter && *lpszIter)
2412 lpszTmp = CharNextA(lpszIter);
2413 *lpszIter = *lpszTmp;
2422 /*************************************************************************
2425 * Unicode version of SHStripMneumonicA.
2427 WCHAR WINAPI SHStripMneumonicW(LPCWSTR lpszStr)
2429 LPWSTR lpszIter, lpszTmp;
2432 TRACE("(%s)\n", debugstr_w(lpszStr));
2436 if ((lpszIter = StrChrW(lpszStr, '&')))
2438 lpszTmp = lpszIter + 1;
2439 if (lpszTmp && *lpszTmp)
2441 if (*lpszTmp != '&')
2444 while (lpszIter && *lpszIter)
2446 lpszTmp = lpszIter + 1;
2447 *lpszIter = *lpszTmp;
2456 /*************************************************************************
2459 * Convert an Ascii string to Unicode.
2462 * dwCp [I] Code page for the conversion
2463 * lpSrcStr [I] Source Ascii string to convert
2464 * lpDstStr [O] Destination for converted Unicode string
2465 * iLen [I] Length of lpDstStr
2468 * The return value of the MultiByteToWideChar() function called on lpSrcStr.
2470 DWORD WINAPI SHAnsiToUnicodeCP(DWORD dwCp, LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
2474 dwRet = MultiByteToWideChar(dwCp, 0, lpSrcStr, -1, lpDstStr, iLen);
2475 TRACE("%s->%s,ret=%d\n", debugstr_a(lpSrcStr), debugstr_w(lpDstStr), dwRet);
2479 /*************************************************************************
2482 * Convert an Ascii string to Unicode.
2485 * lpSrcStr [I] Source Ascii string to convert
2486 * lpDstStr [O] Destination for converted Unicode string
2487 * iLen [I] Length of lpDstStr
2490 * The return value of the MultiByteToWideChar() function called on lpSrcStr.
2493 * This function simply calls SHAnsiToUnicodeCP with code page CP_ACP.
2495 DWORD WINAPI SHAnsiToUnicode(LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
2497 return SHAnsiToUnicodeCP(CP_ACP, lpSrcStr, lpDstStr, iLen);
2500 /*************************************************************************
2503 * Convert a Unicode string to Ascii.
2506 * CodePage [I] Code page to use for the conversion
2507 * lpSrcStr [I] Source Unicode string to convert
2508 * lpDstStr [O] Destination for converted Ascii string
2509 * dstlen [I] Length of buffer at lpDstStr
2512 * Success: The length in bytes of the result at lpDstStr (including the terminator)
2513 * Failure: When using CP_UTF8, CP_UTF7 or 0xc350 as codePage, 0 is returned and
2514 * the result is not nul-terminated.
2515 * When using a different codepage, the length in bytes of the truncated
2516 * result at lpDstStr (including the terminator) is returned and
2517 * lpDstStr is always nul-terminated.
2520 DWORD WINAPI SHUnicodeToAnsiCP(UINT CodePage, LPCWSTR lpSrcStr, LPSTR lpDstStr, int dstlen)
2522 static const WCHAR emptyW[] = { '\0' };
2526 if (!lpDstStr || !dstlen)
2534 len = strlenW(lpSrcStr) + 1;
2539 CodePage = CP_UTF8; /* Fall through... */
2540 case 0x0000C350: /* FIXME: CP_ #define */
2546 INT needed = dstlen - 1;
2549 /* try the user supplied buffer first */
2550 hr = ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &lenW, lpDstStr, &needed);
2553 lpDstStr[needed] = '\0';
2557 /* user buffer too small. exclude termination and copy as much as possible */
2559 hr = ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &lenW, NULL, &needed);
2561 mem = HeapAlloc(GetProcessHeap(), 0, needed);
2565 hr = ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &len, mem, &needed);
2568 reqLen = SHTruncateString(mem, dstlen);
2569 if (reqLen > 0) memcpy(lpDstStr, mem, reqLen-1);
2571 HeapFree(GetProcessHeap(), 0, mem);
2578 /* try the user supplied buffer first */
2579 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, lpDstStr, dstlen, NULL, NULL);
2581 if (!reqLen && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
2583 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, NULL, 0, NULL, NULL);
2586 mem = HeapAlloc(GetProcessHeap(), 0, reqLen);
2589 reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, mem,
2590 reqLen, NULL, NULL);
2592 reqLen = SHTruncateString(mem, dstlen -1);
2595 lstrcpynA(lpDstStr, mem, reqLen);
2596 HeapFree(GetProcessHeap(), 0, mem);
2597 lpDstStr[reqLen-1] = '\0';
2604 /*************************************************************************
2607 * Convert a Unicode string to Ascii.
2610 * lpSrcStr [I] Source Unicode string to convert
2611 * lpDstStr [O] Destination for converted Ascii string
2612 * iLen [O] Length of lpDstStr in characters
2615 * See SHUnicodeToAnsiCP
2618 * This function simply calls SHUnicodeToAnsiCP() with CodePage = CP_ACP.
2620 INT WINAPI SHUnicodeToAnsi(LPCWSTR lpSrcStr, LPSTR lpDstStr, INT iLen)
2622 return SHUnicodeToAnsiCP(CP_ACP, lpSrcStr, lpDstStr, iLen);
2625 /*************************************************************************
2628 * Copy one string to another.
2631 * lpszSrc [I] Source string to copy
2632 * lpszDst [O] Destination for copy
2633 * iLen [I] Length of lpszDst in characters
2636 * The length of the copied string, including the terminating NUL. lpszDst
2637 * contains iLen characters of lpszSrc.
2639 DWORD WINAPI SHAnsiToAnsi(LPCSTR lpszSrc, LPSTR lpszDst, int iLen)
2643 TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszSrc), lpszDst, iLen);
2645 lpszRet = StrCpyNXA(lpszDst, lpszSrc, iLen);
2646 return lpszRet - lpszDst + 1;
2649 /*************************************************************************
2652 * Unicode version of SSHAnsiToAnsi.
2654 DWORD WINAPI SHUnicodeToUnicode(LPCWSTR lpszSrc, LPWSTR lpszDst, int iLen)
2658 TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszSrc), lpszDst, iLen);
2660 lpszRet = StrCpyNXW(lpszDst, lpszSrc, iLen);
2661 return lpszRet - lpszDst + 1;
2664 /*************************************************************************
2667 * Determine if an Ascii string converts to Unicode and back identically.
2670 * lpSrcStr [I] Source Unicode string to convert
2671 * lpDst [O] Destination for resulting Ascii string
2672 * iLen [I] Length of lpDst in characters
2675 * TRUE, since Ascii strings always convert identically.
2677 BOOL WINAPI DoesStringRoundTripA(LPCSTR lpSrcStr, LPSTR lpDst, INT iLen)
2679 lstrcpynA(lpDst, lpSrcStr, iLen);
2683 /*************************************************************************
2686 * Determine if a Unicode string converts to Ascii and back identically.
2689 * lpSrcStr [I] Source Unicode string to convert
2690 * lpDst [O] Destination for resulting Ascii string
2691 * iLen [I] Length of lpDst in characters
2694 * TRUE, if lpSrcStr converts to Ascii and back identically,
2697 BOOL WINAPI DoesStringRoundTripW(LPCWSTR lpSrcStr, LPSTR lpDst, INT iLen)
2699 WCHAR szBuff[MAX_PATH];
2701 SHUnicodeToAnsi(lpSrcStr, lpDst, iLen);
2702 SHAnsiToUnicode(lpDst, szBuff, MAX_PATH);
2703 return !strcmpW(lpSrcStr, szBuff);
2706 /*************************************************************************
2707 * SHLoadIndirectString [SHLWAPI.@]
2709 * If passed a string that begins with '@', extract the string from the
2710 * appropriate resource, otherwise do a straight copy.
2713 HRESULT WINAPI SHLoadIndirectString(LPCWSTR src, LPWSTR dst, UINT dst_len, void **reserved)
2715 WCHAR *dllname = NULL;
2716 HMODULE hmod = NULL;
2717 HRESULT hr = E_FAIL;
2719 TRACE("(%s %p %08x %p)\n", debugstr_w(src), dst, dst_len, reserved);
2727 dllname = StrDupW(src + 1);
2728 index_str = strchrW(dllname, ',');
2730 if(!index_str) goto end;
2734 index = atoiW(index_str);
2736 hmod = LoadLibraryW(dllname);
2741 if(LoadStringW(hmod, -index, dst, dst_len))
2745 FIXME("can't handle non-negative indices (%d)\n", index);
2750 lstrcpynW(dst, src, dst_len);
2754 TRACE("returning %s\n", debugstr_w(dst));
2756 if(hmod) FreeLibrary(hmod);
2757 HeapFree(GetProcessHeap(), 0, dllname);