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wine/dlls/shlwapi/string.c
Dmitry Timoshkov 03e9e5b60d shlwapi: Match shlwapi wrappers to MSDN descriptions.
2007-03-29 21:00:11 +02:00

2812 lines
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/*
* Shlwapi string functions
*
* Copyright 1998 Juergen Schmied
* Copyright 2002 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#define NO_SHLWAPI_REG
#define NO_SHLWAPI_STREAM
#include "shlwapi.h"
#include "wingdi.h"
#include "winuser.h"
#include "shlobj.h"
#include "mlang.h"
#include "ddeml.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "resource.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
extern HINSTANCE shlwapi_hInstance;
static HRESULT WINAPI _SHStrDupAA(LPCSTR,LPSTR*);
static HRESULT WINAPI _SHStrDupAW(LPCWSTR,LPSTR*);
static void FillNumberFmt(NUMBERFMTW *fmt, LPWSTR decimal_buffer, int decimal_bufwlen,
LPWSTR thousand_buffer, int thousand_bufwlen)
{
WCHAR grouping[64];
WCHAR *c;
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_ILZERO|LOCALE_RETURN_NUMBER, (LPWSTR)&fmt->LeadingZero, sizeof(fmt->LeadingZero)/sizeof(WCHAR));
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_INEGNUMBER|LOCALE_RETURN_NUMBER, (LPWSTR)&fmt->LeadingZero, sizeof(fmt->NegativeOrder)/sizeof(WCHAR));
fmt->NumDigits = 0;
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, decimal_buffer, decimal_bufwlen);
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, thousand_buffer, thousand_bufwlen);
fmt->lpThousandSep = thousand_buffer;
fmt->lpDecimalSep = decimal_buffer;
/*
* Converting grouping string to number as described on
* http://blogs.msdn.com/oldnewthing/archive/2006/04/18/578251.aspx
*/
fmt->Grouping = 0;
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SGROUPING, grouping, sizeof(grouping)/sizeof(WCHAR));
for (c = grouping; *c; c++)
if (*c >= '0' && *c < '9')
{
fmt->Grouping *= 10;
fmt->Grouping += *c - '0';
}
if (fmt->Grouping % 10 == 0)
fmt->Grouping /= 10;
else
fmt->Grouping *= 10;
}
/*************************************************************************
* FormatInt [internal]
*
* Format an integer according to the current locale
*
* RETURNS
* The number of bytes written on success or 0 on failure
*/
static int FormatInt(LONGLONG qdwValue, LPWSTR pszBuf, int cchBuf)
{
NUMBERFMTW fmt;
WCHAR decimal[8], thousand[8];
WCHAR buf[24];
WCHAR *c;
BOOL neg = (qdwValue < 0);
FillNumberFmt(&fmt, decimal, sizeof decimal / sizeof (WCHAR),
thousand, sizeof thousand / sizeof (WCHAR));
c = &buf[24];
*(--c) = 0;
do
{
*(--c) = '0' + (qdwValue%10);
qdwValue /= 10;
} while (qdwValue > 0);
if (neg)
*(--c) = '-';
return GetNumberFormatW(LOCALE_USER_DEFAULT, 0, c, &fmt, pszBuf, cchBuf);
}
/*************************************************************************
* FormatDouble [internal]
*
* Format an integer according to the current locale. Prints the specified number of digits
* after the decimal point
*
* RETURNS
* The number of bytes written on success or 0 on failure
*/
static int FormatDouble(double value, int decimals, LPWSTR pszBuf, int cchBuf)
{
static const WCHAR flfmt[] = {'%','f',0};
WCHAR buf[64];
NUMBERFMTW fmt;
WCHAR decimal[8], thousand[8];
snprintfW(buf, 64, flfmt, value);
FillNumberFmt(&fmt, decimal, sizeof decimal / sizeof (WCHAR),
thousand, sizeof thousand / sizeof (WCHAR));
fmt.NumDigits = decimals;
return GetNumberFormatW(LOCALE_USER_DEFAULT, 0, buf, &fmt, pszBuf, cchBuf);
}
/*************************************************************************
* SHLWAPI_ChrCmpHelperA
*
* Internal helper for SHLWAPI_ChrCmpA/ChrCMPIA.
*
* NOTES
* Both this function and its Unicode counterpart are very inefficient. To
* fix this, CompareString must be completely implemented and optimised
* first. Then the core character test can be taken out of that function and
* placed here, so that it need never be called at all. Until then, do not
* attempt to optimise this code unless you are willing to test that it
* still performs correctly.
*/
static BOOL WINAPI SHLWAPI_ChrCmpHelperA(WORD ch1, WORD ch2, DWORD dwFlags)
{
char str1[3], str2[3];
str1[0] = LOBYTE(ch1);
if (IsDBCSLeadByte(str1[0]))
{
str1[1] = HIBYTE(ch1);
str1[2] = '\0';
}
else
str1[1] = '\0';
str2[0] = LOBYTE(ch2);
if (IsDBCSLeadByte(str2[0]))
{
str2[1] = HIBYTE(ch2);
str2[2] = '\0';
}
else
str2[1] = '\0';
return CompareStringA(GetThreadLocale(), dwFlags, str1, -1, str2, -1) - 2;
}
/*************************************************************************
* SHLWAPI_ChrCmpHelperW
*
* Internal helper for SHLWAPI_ChrCmpW/ChrCmpIW.
*/
static BOOL WINAPI SHLWAPI_ChrCmpHelperW(WCHAR ch1, WCHAR ch2, DWORD dwFlags)
{
WCHAR str1[2], str2[2];
str1[0] = ch1;
str1[1] = '\0';
str2[0] = ch2;
str2[1] = '\0';
return CompareStringW(GetThreadLocale(), dwFlags, str1, 2, str2, 2) - 2;
}
/*************************************************************************
* SHLWAPI_ChrCmpA
*
* Internal helper function.
*/
static BOOL WINAPI SHLWAPI_ChrCmpA(WORD ch1, WORD ch2)
{
return SHLWAPI_ChrCmpHelperA(ch1, ch2, 0);
}
/*************************************************************************
* ChrCmpIA (SHLWAPI.385)
*
* Compare two characters, ignoring case.
*
* PARAMS
* ch1 [I] First character to compare
* ch2 [I] Second character to compare
*
* RETURNS
* FALSE, if the characters are equal.
* Non-zero otherwise.
*/
BOOL WINAPI ChrCmpIA(WORD ch1, WORD ch2)
{
TRACE("(%d,%d)\n", ch1, ch2);
return SHLWAPI_ChrCmpHelperA(ch1, ch2, NORM_IGNORECASE);
}
/*************************************************************************
* SHLWAPI_ChrCmpW
*
* Internal helper function.
*/
static BOOL WINAPI SHLWAPI_ChrCmpW(WCHAR ch1, WCHAR ch2)
{
return SHLWAPI_ChrCmpHelperW(ch1, ch2, 0);
}
/*************************************************************************
* ChrCmpIW [SHLWAPI.386]
*
* See ChrCmpIA.
*/
BOOL WINAPI ChrCmpIW(WCHAR ch1, WCHAR ch2)
{
return SHLWAPI_ChrCmpHelperW(ch1, ch2, NORM_IGNORECASE);
}
/*************************************************************************
* StrChrA [SHLWAPI.@]
*
* Find a given character in a string.
*
* PARAMS
* lpszStr [I] String to search in.
* ch [I] Character to search for.
*
* RETURNS
* Success: A pointer to the first occurrence of ch in lpszStr, or NULL if
* not found.
* Failure: NULL, if any arguments are invalid.
*/
LPSTR WINAPI StrChrA(LPCSTR lpszStr, WORD ch)
{
TRACE("(%s,%i)\n", debugstr_a(lpszStr), ch);
if (lpszStr)
{
while (*lpszStr)
{
if (!SHLWAPI_ChrCmpA(*lpszStr, ch))
return (LPSTR)lpszStr;
lpszStr = CharNextA(lpszStr);
}
}
return NULL;
}
/*************************************************************************
* StrChrW [SHLWAPI.@]
*
* See StrChrA.
*/
LPWSTR WINAPI StrChrW(LPCWSTR lpszStr, WCHAR ch)
{
LPWSTR lpszRet = NULL;
TRACE("(%s,%i)\n", debugstr_w(lpszStr), ch);
if (lpszStr)
lpszRet = strchrW(lpszStr, ch);
return lpszRet;
}
/*************************************************************************
* StrChrIA [SHLWAPI.@]
*
* Find a given character in a string, ignoring case.
*
* PARAMS
* lpszStr [I] String to search in.
* ch [I] Character to search for.
*
* RETURNS
* Success: A pointer to the first occurrence of ch in lpszStr, or NULL if
* not found.
* Failure: NULL, if any arguments are invalid.
*/
LPSTR WINAPI StrChrIA(LPCSTR lpszStr, WORD ch)
{
TRACE("(%s,%i)\n", debugstr_a(lpszStr), ch);
if (lpszStr)
{
while (*lpszStr)
{
if (!ChrCmpIA(*lpszStr, ch))
return (LPSTR)lpszStr;
lpszStr = CharNextA(lpszStr);
}
}
return NULL;
}
/*************************************************************************
* StrChrIW [SHLWAPI.@]
*
* See StrChrA.
*/
LPWSTR WINAPI StrChrIW(LPCWSTR lpszStr, WCHAR ch)
{
TRACE("(%s,%i)\n", debugstr_w(lpszStr), ch);
if (lpszStr)
{
ch = toupperW(ch);
while (*lpszStr)
{
if (toupperW(*lpszStr) == ch)
return (LPWSTR)lpszStr;
lpszStr = CharNextW(lpszStr);
}
lpszStr = NULL;
}
return (LPWSTR)lpszStr;
}
/*************************************************************************
* StrCmpIW [SHLWAPI.@]
*
* Compare two strings, ignoring case.
*
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that
* lpszStr is less than, the same, or greater than lpszComp.
*/
int WINAPI StrCmpIW(LPCWSTR lpszStr, LPCWSTR lpszComp)
{
int iRet;
TRACE("(%s,%s)\n", debugstr_w(lpszStr),debugstr_w(lpszComp));
iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, -1, lpszComp, -1);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCmpNA [SHLWAPI.@]
*
* Compare two strings, up to a maximum length.
*
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Maximum number of chars to compare.
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that
* lpszStr is less than, the same, or greater than lpszComp.
*/
INT WINAPI StrCmpNA(LPCSTR lpszStr, LPCSTR lpszComp, INT iLen)
{
INT iRet;
TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
iRet = CompareStringA(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCmpNW [SHLWAPI.@]
*
* See StrCmpNA.
*/
INT WINAPI StrCmpNW(LPCWSTR lpszStr, LPCWSTR lpszComp, INT iLen)
{
INT iRet;
TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCmpNIA [SHLWAPI.@]
*
* Compare two strings, up to a maximum length, ignoring case.
*
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Maximum number of chars to compare.
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that
* lpszStr is less than, the same, or greater than lpszComp.
*/
int WINAPI StrCmpNIA(LPCSTR lpszStr, LPCSTR lpszComp, int iLen)
{
INT iRet;
TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
iRet = CompareStringA(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCmpNIW [SHLWAPI.@]
*
* See StrCmpNIA.
*/
INT WINAPI StrCmpNIW(LPCWSTR lpszStr, LPCWSTR lpszComp, int iLen)
{
INT iRet;
TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszComp), iLen);
iRet = CompareStringW(GetThreadLocale(), NORM_IGNORECASE, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCmpW [SHLWAPI.@]
*
* Compare two strings.
*
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
*
* RETURNS
* An integer less than, equal to or greater than 0, indicating that
* lpszStr is less than, the same, or greater than lpszComp.
*/
int WINAPI StrCmpW(LPCWSTR lpszStr, LPCWSTR lpszComp)
{
INT iRet;
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
iRet = CompareStringW(GetThreadLocale(), 0, lpszStr, -1, lpszComp, -1);
return iRet == CSTR_LESS_THAN ? -1 : iRet == CSTR_GREATER_THAN ? 1 : 0;
}
/*************************************************************************
* StrCatW [SHLWAPI.@]
*
* Concatanate two strings.
*
* PARAMS
* lpszStr [O] Initial string
* lpszSrc [I] String to concatanate
*
* RETURNS
* lpszStr.
*/
LPWSTR WINAPI StrCatW(LPWSTR lpszStr, LPCWSTR lpszSrc)
{
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSrc));
strcatW(lpszStr, lpszSrc);
return lpszStr;
}
/*************************************************************************
* StrCpyW [SHLWAPI.@]
*
* Copy a string to another string.
*
* PARAMS
* lpszStr [O] Destination string
* lpszSrc [I] Source string
*
* RETURNS
* lpszStr.
*/
LPWSTR WINAPI StrCpyW(LPWSTR lpszStr, LPCWSTR lpszSrc)
{
TRACE("(%p,%s)\n", lpszStr, debugstr_w(lpszSrc));
strcpyW(lpszStr, lpszSrc);
return lpszStr;
}
/*************************************************************************
* StrCpyNW [SHLWAPI.@]
*
* Copy a string to another string, up to a maximum number of characters.
*
* PARAMS
* lpszStr [O] Destination string
* lpszSrc [I] Source string
* iLen [I] Maximum number of chars to copy
*
* RETURNS
* lpszStr.
*/
LPWSTR WINAPI StrCpyNW(LPWSTR lpszStr, LPCWSTR lpszSrc, int iLen)
{
TRACE("(%p,%s,%i)\n", lpszStr, debugstr_w(lpszSrc), iLen);
lstrcpynW(lpszStr, lpszSrc, iLen);
return lpszStr;
}
/*************************************************************************
* SHLWAPI_StrStrHelperA
*
* Internal implementation of StrStrA/StrStrIA
*/
static LPSTR WINAPI SHLWAPI_StrStrHelperA(LPCSTR lpszStr, LPCSTR lpszSearch,
int (*pStrCmpFn)(LPCSTR,LPCSTR,size_t))
{
size_t iLen;
if (!lpszStr || !lpszSearch || !*lpszSearch)
return NULL;
iLen = strlen(lpszSearch);
while (*lpszStr)
{
if (!pStrCmpFn(lpszStr, lpszSearch, iLen))
return (LPSTR)lpszStr;
lpszStr = CharNextA(lpszStr);
}
return NULL;
}
/*************************************************************************
* SHLWAPI_StrStrHelperW
*
* Internal implementation of StrStrW/StrStrIW
*/
static LPWSTR WINAPI SHLWAPI_StrStrHelperW(LPCWSTR lpszStr, LPCWSTR lpszSearch,
int (*pStrCmpFn)(LPCWSTR,LPCWSTR,int))
{
int iLen;
if (!lpszStr || !lpszSearch || !*lpszSearch)
return NULL;
iLen = strlenW(lpszSearch);
while (*lpszStr)
{
if (!pStrCmpFn(lpszStr, lpszSearch, iLen))
return (LPWSTR)lpszStr;
lpszStr = CharNextW(lpszStr);
}
return NULL;
}
/*************************************************************************
* StrStrA [SHLWAPI.@]
*
* Find a substring within a string.
*
* PARAMS
* lpszStr [I] String to search in
* lpszSearch [I] String to look for
*
* RETURNS
* The start of lpszSearch within lpszStr, or NULL if not found.
*/
LPSTR WINAPI StrStrA(LPCSTR lpszStr, LPCSTR lpszSearch)
{
TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, strncmp);
}
/*************************************************************************
* StrStrW [SHLWAPI.@]
*
* See StrStrA.
*/
LPWSTR WINAPI StrStrW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
{
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
return SHLWAPI_StrStrHelperW(lpszStr, lpszSearch, strncmpW);
}
/*************************************************************************
* StrRStrIA [SHLWAPI.@]
*
* Find the last occurrence of a substring within a string.
*
* PARAMS
* lpszStr [I] String to search in
* lpszEnd [I] End of lpszStr
* lpszSearch [I] String to look for
*
* RETURNS
* The last occurrence lpszSearch within lpszStr, or NULL if not found.
*/
LPSTR WINAPI StrRStrIA(LPCSTR lpszStr, LPCSTR lpszEnd, LPCSTR lpszSearch)
{
WORD ch1, ch2;
INT iLen;
TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
if (!lpszStr || !lpszSearch || !*lpszSearch)
return NULL;
if (!lpszEnd)
lpszEnd = lpszStr + lstrlenA(lpszStr);
if (lpszEnd == lpszStr)
return NULL;
if (IsDBCSLeadByte(*lpszSearch))
ch1 = *lpszSearch << 8 | (UCHAR)lpszSearch[1];
else
ch1 = *lpszSearch;
iLen = lstrlenA(lpszSearch);
do
{
lpszEnd = CharPrevA(lpszStr, lpszEnd);
ch2 = IsDBCSLeadByte(*lpszEnd)? *lpszEnd << 8 | (UCHAR)lpszEnd[1] : *lpszEnd;
if (!ChrCmpIA(ch1, ch2))
{
if (!StrCmpNIA(lpszEnd, lpszSearch, iLen))
return (LPSTR)lpszEnd;
}
} while (lpszEnd > lpszStr);
return NULL;
}
/*************************************************************************
* StrRStrIW [SHLWAPI.@]
*
* See StrRStrIA.
*/
LPWSTR WINAPI StrRStrIW(LPCWSTR lpszStr, LPCWSTR lpszEnd, LPCWSTR lpszSearch)
{
INT iLen;
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
if (!lpszStr || !lpszSearch || !*lpszSearch)
return NULL;
if (!lpszEnd)
lpszEnd = lpszStr + strlenW(lpszStr);
if (lpszEnd == lpszStr)
return NULL;
iLen = strlenW(lpszSearch);
do
{
lpszEnd = CharPrevW(lpszStr, lpszEnd);
if (!ChrCmpIW(*lpszSearch, *lpszEnd))
{
if (!StrCmpNIW(lpszEnd, lpszSearch, iLen))
return (LPWSTR)lpszEnd;
}
} while (lpszEnd > lpszStr);
return NULL;
}
/*************************************************************************
* StrStrIA [SHLWAPI.@]
*
* Find a substring within a string, ignoring case.
*
* PARAMS
* lpszStr [I] String to search in
* lpszSearch [I] String to look for
*
* RETURNS
* The start of lpszSearch within lpszStr, or NULL if not found.
*/
LPSTR WINAPI StrStrIA(LPCSTR lpszStr, LPCSTR lpszSearch)
{
TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszSearch));
return SHLWAPI_StrStrHelperA(lpszStr, lpszSearch, strncasecmp);
}
/*************************************************************************
* StrStrIW [SHLWAPI.@]
*
* See StrStrIA.
*/
LPWSTR WINAPI StrStrIW(LPCWSTR lpszStr, LPCWSTR lpszSearch)
{
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszSearch));
return SHLWAPI_StrStrHelperW(lpszStr, lpszSearch, strncmpiW);
}
/*************************************************************************
* StrToIntA [SHLWAPI.@]
*
* Read a signed integer from a string.
*
* PARAMS
* lpszStr [I] String to read integer from
*
* RETURNS
* The signed integer value represented by the string, or 0 if no integer is
* present.
*
* NOTES
* No leading space is allowed before the number, although a leading '-' is.
*/
int WINAPI StrToIntA(LPCSTR lpszStr)
{
int iRet = 0;
TRACE("(%s)\n", debugstr_a(lpszStr));
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32!\n");
return 0;
}
if (*lpszStr == '-' || isdigit(*lpszStr))
StrToIntExA(lpszStr, 0, &iRet);
return iRet;
}
/*************************************************************************
* StrToIntW [SHLWAPI.@]
*
* See StrToIntA.
*/
int WINAPI StrToIntW(LPCWSTR lpszStr)
{
int iRet = 0;
TRACE("(%s)\n", debugstr_w(lpszStr));
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32!\n");
return 0;
}
if (*lpszStr == '-' || isdigitW(*lpszStr))
StrToIntExW(lpszStr, 0, &iRet);
return iRet;
}
/*************************************************************************
* StrToIntExA [SHLWAPI.@]
*
* Read an integer from a string.
*
* PARAMS
* lpszStr [I] String to read integer from
* dwFlags [I] Flags controlling the conversion
* lpiRet [O] Destination for read integer.
*
* RETURNS
* Success: TRUE. lpiRet contains the integer value represented by the string.
* Failure: FALSE, if the string is invalid, or no number is present.
*
* NOTES
* Leading whitespace, '-' and '+' are allowed before the number. If
* dwFlags includes STIF_SUPPORT_HEX, hexadecimal numbers are allowed, if
* preceded by '0x'. If this flag is not set, or there is no '0x' prefix,
* the string is treated as a decimal string. A leading '-' is ignored for
* hexadecimal numbers.
*/
BOOL WINAPI StrToIntExA(LPCSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
{
BOOL bNegative = FALSE;
int iRet = 0;
TRACE("(%s,%08X,%p)\n", debugstr_a(lpszStr), dwFlags, lpiRet);
if (!lpszStr || !lpiRet)
{
WARN("Invalid parameter would crash under Win32!\n");
return FALSE;
}
if (dwFlags > STIF_SUPPORT_HEX)
{
WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
}
/* Skip leading space, '+', '-' */
while (isspace(*lpszStr))
lpszStr = CharNextA(lpszStr);
if (*lpszStr == '-')
{
bNegative = TRUE;
lpszStr++;
}
else if (*lpszStr == '+')
lpszStr++;
if (dwFlags & STIF_SUPPORT_HEX &&
*lpszStr == '0' && tolower(lpszStr[1]) == 'x')
{
/* Read hex number */
lpszStr += 2;
if (!isxdigit(*lpszStr))
return FALSE;
while (isxdigit(*lpszStr))
{
iRet = iRet * 16;
if (isdigit(*lpszStr))
iRet += (*lpszStr - '0');
else
iRet += 10 + (tolower(*lpszStr) - 'a');
lpszStr++;
}
*lpiRet = iRet;
return TRUE;
}
/* Read decimal number */
if (!isdigit(*lpszStr))
return FALSE;
while (isdigit(*lpszStr))
{
iRet = iRet * 10;
iRet += (*lpszStr - '0');
lpszStr++;
}
*lpiRet = bNegative ? -iRet : iRet;
return TRUE;
}
/*************************************************************************
* StrToIntExW [SHLWAPI.@]
*
* See StrToIntExA.
*/
BOOL WINAPI StrToIntExW(LPCWSTR lpszStr, DWORD dwFlags, LPINT lpiRet)
{
BOOL bNegative = FALSE;
int iRet = 0;
TRACE("(%s,%08X,%p)\n", debugstr_w(lpszStr), dwFlags, lpiRet);
if (!lpszStr || !lpiRet)
{
WARN("Invalid parameter would crash under Win32!\n");
return FALSE;
}
if (dwFlags > STIF_SUPPORT_HEX)
{
WARN("Unknown flags (%08lX)!\n", dwFlags & ~STIF_SUPPORT_HEX);
}
/* Skip leading space, '+', '-' */
while (isspaceW(*lpszStr))
lpszStr = CharNextW(lpszStr);
if (*lpszStr == '-')
{
bNegative = TRUE;
lpszStr++;
}
else if (*lpszStr == '+')
lpszStr++;
if (dwFlags & STIF_SUPPORT_HEX &&
*lpszStr == '0' && tolowerW(lpszStr[1]) == 'x')
{
/* Read hex number */
lpszStr += 2;
if (!isxdigitW(*lpszStr))
return FALSE;
while (isxdigitW(*lpszStr))
{
iRet = iRet * 16;
if (isdigitW(*lpszStr))
iRet += (*lpszStr - '0');
else
iRet += 10 + (tolowerW(*lpszStr) - 'a');
lpszStr++;
}
*lpiRet = iRet;
return TRUE;
}
/* Read decimal number */
if (!isdigitW(*lpszStr))
return FALSE;
while (isdigitW(*lpszStr))
{
iRet = iRet * 10;
iRet += (*lpszStr - '0');
lpszStr++;
}
*lpiRet = bNegative ? -iRet : iRet;
return TRUE;
}
/*************************************************************************
* StrDupA [SHLWAPI.@]
*
* Duplicate a string.
*
* PARAMS
* lpszStr [I] String to duplicate.
*
* RETURNS
* Success: A pointer to a new string containing the contents of lpszStr
* Failure: NULL, if memory cannot be allocated
*
* NOTES
* The string memory is allocated with LocalAlloc(), and so should be released
* by calling LocalFree().
*/
LPSTR WINAPI StrDupA(LPCSTR lpszStr)
{
int iLen;
LPSTR lpszRet;
TRACE("(%s)\n",debugstr_a(lpszStr));
iLen = lpszStr ? strlen(lpszStr) + 1 : 1;
lpszRet = (LPSTR)LocalAlloc(LMEM_FIXED, iLen);
if (lpszRet)
{
if (lpszStr)
memcpy(lpszRet, lpszStr, iLen);
else
*lpszRet = '\0';
}
return lpszRet;
}
/*************************************************************************
* StrDupW [SHLWAPI.@]
*
* See StrDupA.
*/
LPWSTR WINAPI StrDupW(LPCWSTR lpszStr)
{
int iLen;
LPWSTR lpszRet;
TRACE("(%s)\n",debugstr_w(lpszStr));
iLen = (lpszStr ? strlenW(lpszStr) + 1 : 1) * sizeof(WCHAR);
lpszRet = (LPWSTR)LocalAlloc(LMEM_FIXED, iLen);
if (lpszRet)
{
if (lpszStr)
memcpy(lpszRet, lpszStr, iLen);
else
*lpszRet = '\0';
}
return lpszRet;
}
/*************************************************************************
* SHLWAPI_StrSpnHelperA
*
* Internal implementation of StrSpnA/StrCSpnA/StrCSpnIA
*/
static int WINAPI SHLWAPI_StrSpnHelperA(LPCSTR lpszStr, LPCSTR lpszMatch,
LPSTR (WINAPI *pStrChrFn)(LPCSTR,WORD),
BOOL bInvert)
{
LPCSTR lpszRead = lpszStr;
if (lpszStr && *lpszStr && lpszMatch)
{
while (*lpszRead)
{
LPCSTR lpszTest = pStrChrFn(lpszMatch, *lpszRead);
if (!bInvert && !lpszTest)
break;
if (bInvert && lpszTest)
break;
lpszRead = CharNextA(lpszRead);
};
}
return lpszRead - lpszStr;
}
/*************************************************************************
* SHLWAPI_StrSpnHelperW
*
* Internal implementation of StrSpnW/StrCSpnW/StrCSpnIW
*/
static int WINAPI SHLWAPI_StrSpnHelperW(LPCWSTR lpszStr, LPCWSTR lpszMatch,
LPWSTR (WINAPI *pStrChrFn)(LPCWSTR,WCHAR),
BOOL bInvert)
{
LPCWSTR lpszRead = lpszStr;
if (lpszStr && *lpszStr && lpszMatch)
{
while (*lpszRead)
{
LPCWSTR lpszTest = pStrChrFn(lpszMatch, *lpszRead);
if (!bInvert && !lpszTest)
break;
if (bInvert && lpszTest)
break;
lpszRead = CharNextW(lpszRead);
};
}
return lpszRead - lpszStr;
}
/*************************************************************************
* StrSpnA [SHLWAPI.@]
*
* Find the length of the start of a string that contains only certain
* characters.
*
* PARAMS
* lpszStr [I] String to search
* lpszMatch [I] Characters that can be in the substring
*
* RETURNS
* The length of the part of lpszStr containing only chars from lpszMatch,
* or 0 if any parameter is invalid.
*/
int WINAPI StrSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, FALSE);
}
/*************************************************************************
* StrSpnW [SHLWAPI.@]
*
* See StrSpnA.
*/
int WINAPI StrSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
return SHLWAPI_StrSpnHelperW(lpszStr, lpszMatch, StrChrW, FALSE);
}
/*************************************************************************
* StrCSpnA [SHLWAPI.@]
*
* Find the length of the start of a string that does not contain certain
* characters.
*
* PARAMS
* lpszStr [I] String to search
* lpszMatch [I] Characters that cannot be in the substring
*
* RETURNS
* The length of the part of lpszStr containing only chars not in lpszMatch,
* or 0 if any parameter is invalid.
*/
int WINAPI StrCSpnA(LPCSTR lpszStr, LPCSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrA, TRUE);
}
/*************************************************************************
* StrCSpnW [SHLWAPI.@]
*
* See StrCSpnA.
*/
int WINAPI StrCSpnW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
return SHLWAPI_StrSpnHelperW(lpszStr, lpszMatch, StrChrW, TRUE);
}
/*************************************************************************
* StrCSpnIA [SHLWAPI.@]
*
* Find the length of the start of a string that does not contain certain
* characters, ignoring case.
*
* PARAMS
* lpszStr [I] String to search
* lpszMatch [I] Characters that cannot be in the substring
*
* RETURNS
* The length of the part of lpszStr containing only chars not in lpszMatch,
* or 0 if any parameter is invalid.
*/
int WINAPI StrCSpnIA(LPCSTR lpszStr, LPCSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
return SHLWAPI_StrSpnHelperA(lpszStr, lpszMatch, StrChrIA, TRUE);
}
/*************************************************************************
* StrCSpnIW [SHLWAPI.@]
*
* See StrCSpnIA.
*/
int WINAPI StrCSpnIW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
return SHLWAPI_StrSpnHelperW(lpszStr, lpszMatch, StrChrIW, TRUE);
}
/*************************************************************************
* StrPBrkA [SHLWAPI.@]
*
* Search a string for any of a group of characters.
*
* PARAMS
* lpszStr [I] String to search
* lpszMatch [I] Characters to match
*
* RETURNS
* A pointer to the first matching character in lpszStr, or NULL if no
* match was found.
*/
LPSTR WINAPI StrPBrkA(LPCSTR lpszStr, LPCSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_a(lpszStr), debugstr_a(lpszMatch));
if (lpszStr && lpszMatch && *lpszMatch)
{
while (*lpszStr)
{
if (StrChrA(lpszMatch, *lpszStr))
return (LPSTR)lpszStr;
lpszStr = CharNextA(lpszStr);
}
}
return NULL;
}
/*************************************************************************
* StrPBrkW [SHLWAPI.@]
*
* See StrPBrkA.
*/
LPWSTR WINAPI StrPBrkW(LPCWSTR lpszStr, LPCWSTR lpszMatch)
{
TRACE("(%s,%s)\n",debugstr_w(lpszStr), debugstr_w(lpszMatch));
if (lpszStr && lpszMatch && *lpszMatch)
{
while (*lpszStr)
{
if (StrChrW(lpszMatch, *lpszStr))
return (LPWSTR)lpszStr;
lpszStr = CharNextW(lpszStr);
}
}
return NULL;
}
/*************************************************************************
* SHLWAPI_StrRChrHelperA
*
* Internal implementation of StrRChrA/StrRChrIA.
*/
static LPSTR WINAPI SHLWAPI_StrRChrHelperA(LPCSTR lpszStr,
LPCSTR lpszEnd, WORD ch,
BOOL (WINAPI *pChrCmpFn)(WORD,WORD))
{
LPCSTR lpszRet = NULL;
if (lpszStr)
{
WORD ch2;
if (!lpszEnd)
lpszEnd = lpszStr + lstrlenA(lpszStr);
while (*lpszStr && lpszStr <= lpszEnd)
{
ch2 = IsDBCSLeadByte(*lpszStr)? *lpszStr << 8 | lpszStr[1] : *lpszStr;
if (!pChrCmpFn(ch, ch2))
lpszRet = lpszStr;
lpszStr = CharNextA(lpszStr);
}
}
return (LPSTR)lpszRet;
}
/*************************************************************************
* SHLWAPI_StrRChrHelperW
*
* Internal implementation of StrRChrW/StrRChrIW.
*/
static LPWSTR WINAPI SHLWAPI_StrRChrHelperW(LPCWSTR lpszStr,
LPCWSTR lpszEnd, WCHAR ch,
BOOL (WINAPI *pChrCmpFn)(WCHAR,WCHAR))
{
LPCWSTR lpszRet = NULL;
if (lpszStr)
{
if (!lpszEnd)
lpszEnd = lpszStr + strlenW(lpszStr);
while (*lpszStr && lpszStr <= lpszEnd)
{
if (!pChrCmpFn(ch, *lpszStr))
lpszRet = lpszStr;
lpszStr = CharNextW(lpszStr);
}
}
return (LPWSTR)lpszRet;
}
/**************************************************************************
* StrRChrA [SHLWAPI.@]
*
* Find the last occurrence of a character in string.
*
* PARAMS
* lpszStr [I] String to search in
* lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
* ch [I] Character to search for.
*
* RETURNS
* Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
* or NULL if not found.
* Failure: NULL, if any arguments are invalid.
*/
LPSTR WINAPI StrRChrA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
{
TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, SHLWAPI_ChrCmpA);
}
/**************************************************************************
* StrRChrW [SHLWAPI.@]
*
* See StrRChrA.
*/
LPWSTR WINAPI StrRChrW(LPCWSTR lpszStr, LPCWSTR lpszEnd, WORD ch)
{
TRACE("(%s,%s,%x)\n", debugstr_w(lpszStr), debugstr_w(lpszEnd), ch);
return SHLWAPI_StrRChrHelperW(lpszStr, lpszEnd, ch, SHLWAPI_ChrCmpW);
}
/**************************************************************************
* StrRChrIA [SHLWAPI.@]
*
* Find the last occurrence of a character in string, ignoring case.
*
* PARAMS
* lpszStr [I] String to search in
* lpszEnd [I] Place to end search, or NULL to search until the end of lpszStr
* ch [I] Character to search for.
*
* RETURNS
* Success: A pointer to the last occurrence of ch in lpszStr before lpszEnd,
* or NULL if not found.
* Failure: NULL, if any arguments are invalid.
*/
LPSTR WINAPI StrRChrIA(LPCSTR lpszStr, LPCSTR lpszEnd, WORD ch)
{
TRACE("(%s,%s,%x)\n", debugstr_a(lpszStr), debugstr_a(lpszEnd), ch);
return SHLWAPI_StrRChrHelperA(lpszStr, lpszEnd, ch, ChrCmpIA);
}
/**************************************************************************
* StrRChrIW [SHLWAPI.@]
*
* See StrRChrIA.
*/
LPWSTR WINAPI StrRChrIW(LPCWSTR lpszStr, LPCWSTR lpszEnd, WORD ch)
{
TRACE("(%s,%s,%x)\n", debugstr_w(lpszStr), debugstr_w(lpszEnd), ch);
return SHLWAPI_StrRChrHelperW(lpszStr, lpszEnd, ch, ChrCmpIW);
}
/*************************************************************************
* StrCatBuffA [SHLWAPI.@]
*
* Concatenate two strings together.
*
* PARAMS
* lpszStr [O] String to concatenate to
* lpszCat [I] String to add to lpszCat
* cchMax [I] Maximum number of characters for the whole string
*
* RETURNS
* lpszStr.
*
* NOTES
* cchMax determines the number of characters in the final length of the
* string, not the number appended to lpszStr from lpszCat.
*/
LPSTR WINAPI StrCatBuffA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
{
INT iLen;
TRACE("(%p,%s,%d)\n", lpszStr, debugstr_a(lpszCat), cchMax);
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32!\n");
return NULL;
}
iLen = strlen(lpszStr);
cchMax -= iLen;
if (cchMax > 0)
StrCpyNA(lpszStr + iLen, lpszCat, cchMax);
return lpszStr;
}
/*************************************************************************
* StrCatBuffW [SHLWAPI.@]
*
* See StrCatBuffA.
*/
LPWSTR WINAPI StrCatBuffW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
{
INT iLen;
TRACE("(%p,%s,%d)\n", lpszStr, debugstr_w(lpszCat), cchMax);
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32!\n");
return NULL;
}
iLen = strlenW(lpszStr);
cchMax -= iLen;
if (cchMax > 0)
StrCpyNW(lpszStr + iLen, lpszCat, cchMax);
return lpszStr;
}
/*************************************************************************
* StrRetToBufA [SHLWAPI.@]
*
* Convert a STRRET to a normal string.
*
* PARAMS
* lpStrRet [O] STRRET to convert
* pIdl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
* lpszDest [O] Destination for normal string
* dwLen [I] Length of lpszDest
*
* RETURNS
* Success: S_OK. lpszDest contains up to dwLen characters of the string.
* If lpStrRet is of type STRRET_WSTR, its memory is freed with
* CoTaskMemFree() and its type set to STRRET_CSTRA.
* Failure: E_FAIL, if any parameters are invalid.
*/
HRESULT WINAPI StrRetToBufA (LPSTRRET src, const ITEMIDLIST *pidl, LPSTR dest, UINT len)
{
/* NOTE:
* This routine is identical to that in dlls/shell32/shellstring.c.
* It was duplicated because not every version of Shlwapi.dll exports
* StrRetToBufA. If you change one routine, change them both.
*/
TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
if (!src)
{
WARN("Invalid lpStrRet would crash under Win32!\n");
if (dest)
*dest = '\0';
return E_FAIL;
}
if (!dest || !len)
return E_FAIL;
*dest = '\0';
switch (src->uType)
{
case STRRET_WSTR:
WideCharToMultiByte(CP_ACP, 0, src->u.pOleStr, -1, dest, len, NULL, NULL);
CoTaskMemFree(src->u.pOleStr);
break;
case STRRET_CSTR:
lstrcpynA((LPSTR)dest, src->u.cStr, len);
break;
case STRRET_OFFSET:
lstrcpynA((LPSTR)dest, ((LPCSTR)&pidl->mkid)+src->u.uOffset, len);
break;
default:
FIXME("unknown type!\n");
return FALSE;
}
return S_OK;
}
/*************************************************************************
* StrRetToBufW [SHLWAPI.@]
*
* See StrRetToBufA.
*/
HRESULT WINAPI StrRetToBufW (LPSTRRET src, const ITEMIDLIST *pidl, LPWSTR dest, UINT len)
{
TRACE("dest=%p len=0x%x strret=%p pidl=%p stub\n",dest,len,src,pidl);
if (!src)
{
WARN("Invalid lpStrRet would crash under Win32!\n");
if (dest)
*dest = '\0';
return E_FAIL;
}
if (!dest || !len)
return E_FAIL;
*dest = '\0';
switch (src->uType)
{
case STRRET_WSTR:
lstrcpynW((LPWSTR)dest, src->u.pOleStr, len);
CoTaskMemFree(src->u.pOleStr);
break;
case STRRET_CSTR:
if (!MultiByteToWideChar( CP_ACP, 0, src->u.cStr, -1, dest, len ) && len)
dest[len-1] = 0;
break;
case STRRET_OFFSET:
if (pidl)
{
if (!MultiByteToWideChar( CP_ACP, 0, ((LPCSTR)&pidl->mkid)+src->u.uOffset, -1,
dest, len ) && len)
dest[len-1] = 0;
}
break;
default:
FIXME("unknown type!\n");
return FALSE;
}
return S_OK;
}
/*************************************************************************
* StrRetToStrA [SHLWAPI.@]
*
* Converts a STRRET to a normal string.
*
* PARAMS
* lpStrRet [O] STRRET to convert
* pidl [I] ITEMIDLIST for lpStrRet->uType == STRRET_OFFSET
* ppszName [O] Destination for converted string
*
* RETURNS
* Success: S_OK. ppszName contains the new string, allocated with CoTaskMemAlloc().
* Failure: E_FAIL, if any parameters are invalid.
*/
HRESULT WINAPI StrRetToStrA(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPSTR *ppszName)
{
HRESULT hRet = E_FAIL;
switch (lpStrRet->uType)
{
case STRRET_WSTR:
hRet = _SHStrDupAW(lpStrRet->u.pOleStr, ppszName);
CoTaskMemFree(lpStrRet->u.pOleStr);
break;
case STRRET_CSTR:
hRet = _SHStrDupAA(lpStrRet->u.cStr, ppszName);
break;
case STRRET_OFFSET:
hRet = _SHStrDupAA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
break;
default:
*ppszName = NULL;
}
return hRet;
}
/*************************************************************************
* StrRetToStrW [SHLWAPI.@]
*
* See StrRetToStrA.
*/
HRESULT WINAPI StrRetToStrW(LPSTRRET lpStrRet, const ITEMIDLIST *pidl, LPWSTR *ppszName)
{
HRESULT hRet = E_FAIL;
switch (lpStrRet->uType)
{
case STRRET_WSTR:
hRet = SHStrDupW(lpStrRet->u.pOleStr, ppszName);
CoTaskMemFree(lpStrRet->u.pOleStr);
break;
case STRRET_CSTR:
hRet = SHStrDupA(lpStrRet->u.cStr, ppszName);
break;
case STRRET_OFFSET:
hRet = SHStrDupA(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, ppszName);
break;
default:
*ppszName = NULL;
}
return hRet;
}
/* Create an ASCII string copy using SysAllocString() */
static HRESULT _SHStrDupAToBSTR(LPCSTR src, BSTR *pBstrOut)
{
*pBstrOut = NULL;
if (src)
{
INT len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0);
WCHAR* szTemp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (szTemp)
{
MultiByteToWideChar(CP_ACP, 0, src, -1, szTemp, len);
*pBstrOut = SysAllocString(szTemp);
HeapFree(GetProcessHeap(), 0, szTemp);
if (*pBstrOut)
return S_OK;
}
}
return E_OUTOFMEMORY;
}
/*************************************************************************
* StrRetToBSTR [SHLWAPI.@]
*
* Converts a STRRET to a BSTR.
*
* PARAMS
* lpStrRet [O] STRRET to convert
* pidl [I] ITEMIDLIST for lpStrRet->uType = STRRET_OFFSET
* pBstrOut [O] Destination for converted BSTR
*
* RETURNS
* Success: S_OK. pBstrOut contains the new string.
* Failure: E_FAIL, if any parameters are invalid.
*/
HRESULT WINAPI StrRetToBSTR(STRRET *lpStrRet, LPCITEMIDLIST pidl, BSTR* pBstrOut)
{
HRESULT hRet = E_FAIL;
switch (lpStrRet->uType)
{
case STRRET_WSTR:
*pBstrOut = SysAllocString(lpStrRet->u.pOleStr);
if (*pBstrOut)
hRet = S_OK;
CoTaskMemFree(lpStrRet->u.pOleStr);
break;
case STRRET_CSTR:
hRet = _SHStrDupAToBSTR(lpStrRet->u.cStr, pBstrOut);
break;
case STRRET_OFFSET:
hRet = _SHStrDupAToBSTR(((LPCSTR)&pidl->mkid) + lpStrRet->u.uOffset, pBstrOut);
break;
default:
*pBstrOut = NULL;
}
return hRet;
}
/*************************************************************************
* StrFormatKBSizeA [SHLWAPI.@]
*
* Create a formatted string containing a byte count in Kilobytes.
*
* PARAMS
* llBytes [I] Byte size to format
* lpszDest [I] Destination for formatted string
* cchMax [I] Size of lpszDest
*
* RETURNS
* lpszDest.
*/
LPSTR WINAPI StrFormatKBSizeA(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
{
WCHAR wszBuf[256];
if (!StrFormatKBSizeW(llBytes, wszBuf, 256))
return NULL;
if (!WideCharToMultiByte(CP_ACP, 0, wszBuf, -1, lpszDest, cchMax, NULL, NULL))
return NULL;
return lpszDest;
}
/*************************************************************************
* StrFormatKBSizeW [SHLWAPI.@]
*
* See StrFormatKBSizeA.
*/
LPWSTR WINAPI StrFormatKBSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
{
static const WCHAR kb[] = {' ','K','B',0};
LONGLONG llKB = (llBytes + 1023) >> 10;
int len;
TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
if (!FormatInt(llKB, lpszDest, cchMax))
return NULL;
len = lstrlenW(lpszDest);
if (cchMax - len < 4)
return NULL;
lstrcatW(lpszDest, kb);
return lpszDest;
}
/*************************************************************************
* StrNCatA [SHLWAPI.@]
*
* Concatenate two strings together.
*
* PARAMS
* lpszStr [O] String to concatenate to
* lpszCat [I] String to add to lpszCat
* cchMax [I] Maximum number of characters to concatenate
*
* RETURNS
* lpszStr.
*
* NOTES
* cchMax determines the number of characters that are appended to lpszStr,
* not the total length of the string.
*/
LPSTR WINAPI StrNCatA(LPSTR lpszStr, LPCSTR lpszCat, INT cchMax)
{
LPSTR lpszRet = lpszStr;
TRACE("(%s,%s,%i)\n", debugstr_a(lpszStr), debugstr_a(lpszCat), cchMax);
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32!\n");
return NULL;
}
StrCpyNA(lpszStr + strlen(lpszStr), lpszCat, cchMax);
return lpszRet;
}
/*************************************************************************
* StrNCatW [SHLWAPI.@]
*
* See StrNCatA.
*/
LPWSTR WINAPI StrNCatW(LPWSTR lpszStr, LPCWSTR lpszCat, INT cchMax)
{
LPWSTR lpszRet = lpszStr;
TRACE("(%s,%s,%i)\n", debugstr_w(lpszStr), debugstr_w(lpszCat), cchMax);
if (!lpszStr)
{
WARN("Invalid lpszStr would crash under Win32\n");
return NULL;
}
StrCpyNW(lpszStr + strlenW(lpszStr), lpszCat, cchMax);
return lpszRet;
}
/*************************************************************************
* StrTrimA [SHLWAPI.@]
*
* Remove characters from the start and end of a string.
*
* PARAMS
* lpszStr [O] String to remove characters from
* lpszTrim [I] Characters to remove from lpszStr
*
* RETURNS
* TRUE If lpszStr was valid and modified
* FALSE Otherwise
*/
BOOL WINAPI StrTrimA(LPSTR lpszStr, LPCSTR lpszTrim)
{
DWORD dwLen;
LPSTR lpszRead = lpszStr;
BOOL bRet = FALSE;
TRACE("(%s,%s)\n", debugstr_a(lpszStr), debugstr_a(lpszTrim));
if (lpszRead && *lpszRead)
{
while (*lpszRead && StrChrA(lpszTrim, *lpszRead))
lpszRead = CharNextA(lpszRead); /* Skip leading matches */
dwLen = strlen(lpszRead);
if (lpszRead != lpszStr)
{
memmove(lpszStr, lpszRead, dwLen + 1);
bRet = TRUE;
}
if (dwLen > 0)
{
lpszRead = lpszStr + dwLen;
while (StrChrA(lpszTrim, lpszRead[-1]))
lpszRead = CharPrevA(lpszStr, lpszRead); /* Skip trailing matches */
if (lpszRead != lpszStr + dwLen)
{
*lpszRead = '\0';
bRet = TRUE;
}
}
}
return bRet;
}
/*************************************************************************
* StrTrimW [SHLWAPI.@]
*
* See StrTrimA.
*/
BOOL WINAPI StrTrimW(LPWSTR lpszStr, LPCWSTR lpszTrim)
{
DWORD dwLen;
LPWSTR lpszRead = lpszStr;
BOOL bRet = FALSE;
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszTrim));
if (lpszRead && *lpszRead)
{
while (*lpszRead && StrChrW(lpszTrim, *lpszRead))
lpszRead = CharNextW(lpszRead); /* Skip leading matches */
dwLen = strlenW(lpszRead);
if (lpszRead != lpszStr)
{
memmove(lpszStr, lpszRead, (dwLen + 1) * sizeof(WCHAR));
bRet = TRUE;
}
if (dwLen > 0)
{
lpszRead = lpszStr + dwLen;
while (StrChrW(lpszTrim, lpszRead[-1]))
lpszRead = CharPrevW(lpszStr, lpszRead); /* Skip trailing matches */
if (lpszRead != lpszStr + dwLen)
{
*lpszRead = '\0';
bRet = TRUE;
}
}
}
return bRet;
}
/*************************************************************************
* _SHStrDupAA [INTERNAL]
*
* Duplicates a ASCII string to ASCII. The destination buffer is allocated.
*/
static HRESULT WINAPI _SHStrDupAA(LPCSTR src, LPSTR * dest)
{
HRESULT hr;
int len = 0;
if (src) {
len = lstrlenA(src) + 1;
*dest = CoTaskMemAlloc(len);
} else {
*dest = NULL;
}
if (*dest) {
lstrcpynA(*dest,src, len);
hr = S_OK;
} else {
hr = E_OUTOFMEMORY;
}
TRACE("%s->(%p)\n", debugstr_a(src), *dest);
return hr;
}
/*************************************************************************
* SHStrDupA [SHLWAPI.@]
*
* Return a Unicode copy of a string, in memory allocated by CoTaskMemAlloc().
*
* PARAMS
* lpszStr [I] String to copy
* lppszDest [O] Destination for the new string copy
*
* RETURNS
* Success: S_OK. lppszDest contains the new string in Unicode format.
* Failure: E_OUTOFMEMORY, If any arguments are invalid or memory allocation
* fails.
*/
HRESULT WINAPI SHStrDupA(LPCSTR lpszStr, LPWSTR * lppszDest)
{
HRESULT hRet;
int len = 0;
if (lpszStr)
{
len = MultiByteToWideChar(0, 0, lpszStr, -1, 0, 0) * sizeof(WCHAR);
*lppszDest = CoTaskMemAlloc(len);
}
else
*lppszDest = NULL;
if (*lppszDest)
{
MultiByteToWideChar(0, 0, lpszStr, -1, *lppszDest, len/sizeof(WCHAR));
hRet = S_OK;
}
else
hRet = E_OUTOFMEMORY;
TRACE("%s->(%p)\n", debugstr_a(lpszStr), *lppszDest);
return hRet;
}
/*************************************************************************
* _SHStrDupAW [INTERNAL]
*
* Duplicates a UNICODE to a ASCII string. The destination buffer is allocated.
*/
static HRESULT WINAPI _SHStrDupAW(LPCWSTR src, LPSTR * dest)
{
HRESULT hr;
int len = 0;
if (src) {
len = WideCharToMultiByte(CP_ACP, 0, src, -1, NULL, 0, NULL, NULL);
*dest = CoTaskMemAlloc(len);
} else {
*dest = NULL;
}
if (*dest) {
WideCharToMultiByte(CP_ACP, 0, src, -1, *dest, len, NULL, NULL);
hr = S_OK;
} else {
hr = E_OUTOFMEMORY;
}
TRACE("%s->(%p)\n", debugstr_w(src), *dest);
return hr;
}
/*************************************************************************
* SHStrDupW [SHLWAPI.@]
*
* See SHStrDupA.
*/
HRESULT WINAPI SHStrDupW(LPCWSTR src, LPWSTR * dest)
{
HRESULT hr;
int len = 0;
if (src) {
len = (lstrlenW(src) + 1) * sizeof(WCHAR);
*dest = CoTaskMemAlloc(len);
} else {
*dest = NULL;
}
if (*dest) {
memcpy(*dest, src, len);
hr = S_OK;
} else {
hr = E_OUTOFMEMORY;
}
TRACE("%s->(%p)\n", debugstr_w(src), *dest);
return hr;
}
/*************************************************************************
* SHLWAPI_WriteReverseNum
*
* Internal helper for SHLWAPI_WriteTimeClass.
*/
static inline LPWSTR SHLWAPI_WriteReverseNum(LPWSTR lpszOut, DWORD dwNum)
{
*lpszOut-- = '\0';
/* Write a decimal number to a string, backwards */
do
{
DWORD dwNextDigit = dwNum % 10;
*lpszOut-- = '0' + dwNextDigit;
dwNum = (dwNum - dwNextDigit) / 10;
} while (dwNum > 0);
return lpszOut;
}
/*************************************************************************
* SHLWAPI_FormatSignificant
*
* Internal helper for SHLWAPI_WriteTimeClass.
*/
static inline int SHLWAPI_FormatSignificant(LPWSTR lpszNum, int dwDigits)
{
/* Zero non significant digits, return remaining significant digits */
while (*lpszNum)
{
lpszNum++;
if (--dwDigits == 0)
{
while (*lpszNum)
*lpszNum++ = '0';
return 0;
}
}
return dwDigits;
}
/*************************************************************************
* SHLWAPI_WriteTimeClass
*
* Internal helper for StrFromTimeIntervalW.
*/
static int WINAPI SHLWAPI_WriteTimeClass(LPWSTR lpszOut, DWORD dwValue,
UINT uClassStringId, int iDigits)
{
WCHAR szBuff[64], *szOut = szBuff + 32;
szOut = SHLWAPI_WriteReverseNum(szOut, dwValue);
iDigits = SHLWAPI_FormatSignificant(szOut + 1, iDigits);
*szOut = ' ';
LoadStringW(shlwapi_hInstance, uClassStringId, szBuff + 32, 32);
strcatW(lpszOut, szOut);
return iDigits;
}
/*************************************************************************
* StrFromTimeIntervalA [SHLWAPI.@]
*
* Format a millisecond time interval into a string
*
* PARAMS
* lpszStr [O] Output buffer for formatted time interval
* cchMax [I] Size of lpszStr
* dwMS [I] Number of milliseconds
* iDigits [I] Number of digits to print
*
* RETURNS
* The length of the formatted string, or 0 if any parameter is invalid.
*
* NOTES
* This implementation mimics the Win32 behaviour of always writing a leading
* space before the time interval begins.
*
* iDigits is used to provide approximate times if accuracy is not important.
* This number of digits will be written of the first non-zero time class
* (hours/minutes/seconds). If this does not complete the time classification,
* the remaining digits are changed to zeros (i.e. The time is _not_ rounded).
* If there are digits remaining following the writing of a time class, the
* next time class will be written.
*
* For example, given dwMS represents 138 hours,43 minutes and 15 seconds, the
* following will result from the given values of iDigits:
*
*| iDigits 1 2 3 4 5 ...
*| lpszStr "100 hr" "130 hr" "138 hr" "138 hr 40 min" "138 hr 43 min" ...
*/
INT WINAPI StrFromTimeIntervalA(LPSTR lpszStr, UINT cchMax, DWORD dwMS,
int iDigits)
{
INT iRet = 0;
TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
if (lpszStr && cchMax)
{
WCHAR szBuff[128];
StrFromTimeIntervalW(szBuff, sizeof(szBuff)/sizeof(WCHAR), dwMS, iDigits);
WideCharToMultiByte(CP_ACP,0,szBuff,-1,lpszStr,cchMax,0,0);
}
return iRet;
}
/*************************************************************************
* StrFromTimeIntervalW [SHLWAPI.@]
*
* See StrFromTimeIntervalA.
*/
INT WINAPI StrFromTimeIntervalW(LPWSTR lpszStr, UINT cchMax, DWORD dwMS,
int iDigits)
{
INT iRet = 0;
TRACE("(%p,%d,%d,%d)\n", lpszStr, cchMax, dwMS, iDigits);
if (lpszStr && cchMax)
{
WCHAR szCopy[128];
DWORD dwHours, dwMinutes;
if (!iDigits || cchMax == 1)
{
*lpszStr = '\0';
return 0;
}
/* Calculate the time classes */
dwMS = (dwMS + 500) / 1000;
dwHours = dwMS / 3600;
dwMS -= dwHours * 3600;
dwMinutes = dwMS / 60;
dwMS -= dwMinutes * 60;
szCopy[0] = '\0';
if (dwHours)
iDigits = SHLWAPI_WriteTimeClass(szCopy, dwHours, IDS_TIME_INTERVAL_HOURS, iDigits);
if (dwMinutes && iDigits)
iDigits = SHLWAPI_WriteTimeClass(szCopy, dwMinutes, IDS_TIME_INTERVAL_MINUTES, iDigits);
if (iDigits) /* Always write seconds if we have significant digits */
SHLWAPI_WriteTimeClass(szCopy, dwMS, IDS_TIME_INTERVAL_SECONDS, iDigits);
lstrcpynW(lpszStr, szCopy, cchMax);
iRet = strlenW(lpszStr);
}
return iRet;
}
/*************************************************************************
* StrIsIntlEqualA [SHLWAPI.@]
*
* Compare two strings.
*
* PARAMS
* bCase [I] Whether to compare case sensitively
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Length to compare
*
* RETURNS
* TRUE If the strings are equal.
* FALSE Otherwise.
*/
BOOL WINAPI StrIsIntlEqualA(BOOL bCase, LPCSTR lpszStr, LPCSTR lpszComp,
int iLen)
{
DWORD dwFlags;
TRACE("(%d,%s,%s,%d)\n", bCase,
debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
/* FIXME: This flag is undocumented and unknown by our CompareString.
* We need a define for it.
*/
dwFlags = 0x10000000;
if (!bCase) dwFlags |= NORM_IGNORECASE;
return (CompareStringA(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
}
/*************************************************************************
* StrIsIntlEqualW [SHLWAPI.@]
*
* See StrIsIntlEqualA.
*/
BOOL WINAPI StrIsIntlEqualW(BOOL bCase, LPCWSTR lpszStr, LPCWSTR lpszComp,
int iLen)
{
DWORD dwFlags;
TRACE("(%d,%s,%s,%d)\n", bCase,
debugstr_w(lpszStr),debugstr_w(lpszComp), iLen);
/* FIXME: This flag is undocumented and unknown by our CompareString.
* We need a define for it.
*/
dwFlags = 0x10000000;
if (!bCase) dwFlags |= NORM_IGNORECASE;
return (CompareStringW(GetThreadLocale(), dwFlags, lpszStr, iLen, lpszComp, iLen) == CSTR_EQUAL);
}
/*************************************************************************
* @ [SHLWAPI.399]
*
* Copy a string to another string, up to a maximum number of characters.
*
* PARAMS
* lpszDest [O] Destination string
* lpszSrc [I] Source string
* iLen [I] Maximum number of chars to copy
*
* RETURNS
* Success: A pointer to the last character written to lpszDest.
* Failure: lpszDest, if any arguments are invalid.
*/
LPSTR WINAPI StrCpyNXA(LPSTR lpszDest, LPCSTR lpszSrc, int iLen)
{
TRACE("(%p,%s,%i)\n", lpszDest, debugstr_a(lpszSrc), iLen);
if (lpszDest && lpszSrc && iLen > 0)
{
while ((iLen-- > 1) && *lpszSrc)
*lpszDest++ = *lpszSrc++;
if (iLen >= 0)
*lpszDest = '\0';
}
return lpszDest;
}
/*************************************************************************
* @ [SHLWAPI.400]
*
* Unicode version of StrCpyNXA.
*/
LPWSTR WINAPI StrCpyNXW(LPWSTR lpszDest, LPCWSTR lpszSrc, int iLen)
{
TRACE("(%p,%s,%i)\n", lpszDest, debugstr_w(lpszSrc), iLen);
if (lpszDest && lpszSrc && iLen > 0)
{
while ((iLen-- > 1) && *lpszSrc)
*lpszDest++ = *lpszSrc++;
if (iLen >= 0)
*lpszDest = '\0';
}
return lpszDest;
}
/*************************************************************************
* StrCmpLogicalW [SHLWAPI.@]
*
* Compare two strings, ignoring case and comparing digits as numbers.
*
* PARAMS
* lpszStr [I] First string to compare
* lpszComp [I] Second string to compare
* iLen [I] Length to compare
*
* RETURNS
* TRUE If the strings are equal.
* FALSE Otherwise.
*/
INT WINAPI StrCmpLogicalW(LPCWSTR lpszStr, LPCWSTR lpszComp)
{
INT iDiff;
TRACE("(%s,%s)\n", debugstr_w(lpszStr), debugstr_w(lpszComp));
if (lpszStr && lpszComp)
{
while (*lpszStr)
{
if (!*lpszComp)
return 1;
else if (isdigitW(*lpszStr))
{
int iStr, iComp;
if (!isdigitW(*lpszComp))
return -1;
/* Compare the numbers */
StrToIntExW(lpszStr, 0, &iStr);
StrToIntExW(lpszComp, 0, &iComp);
if (iStr < iComp)
return -1;
else if (iStr > iComp)
return 1;
/* Skip */
while (isdigitW(*lpszStr))
lpszStr++;
while (isdigitW(*lpszComp))
lpszComp++;
}
else if (isdigitW(*lpszComp))
return 1;
else
{
iDiff = SHLWAPI_ChrCmpHelperW(*lpszStr,*lpszComp,NORM_IGNORECASE);
if (iDiff > 0)
return 1;
else if (iDiff < 0)
return -1;
lpszStr++;
lpszComp++;
}
}
if (*lpszComp)
return -1;
}
return 0;
}
/* Structure for formatting byte strings */
typedef struct tagSHLWAPI_BYTEFORMATS
{
LONGLONG dLimit;
double dDivisor;
double dNormaliser;
int nDecimals;
WCHAR wPrefix;
} SHLWAPI_BYTEFORMATS;
/*************************************************************************
* StrFormatByteSizeW [SHLWAPI.@]
*
* Create a string containing an abbreviated byte count of up to 2^63-1.
*
* PARAMS
* llBytes [I] Byte size to format
* lpszDest [I] Destination for formatted string
* cchMax [I] Size of lpszDest
*
* RETURNS
* lpszDest.
*
* NOTES
* There is no StrFormatByteSize64W function, it is called StrFormatByteSizeW().
*/
LPWSTR WINAPI StrFormatByteSizeW(LONGLONG llBytes, LPWSTR lpszDest, UINT cchMax)
{
#define KB ((ULONGLONG)1024)
#define MB (KB*KB)
#define GB (KB*KB*KB)
#define TB (KB*KB*KB*KB)
#define PB (KB*KB*KB*KB*KB)
static const SHLWAPI_BYTEFORMATS bfFormats[] =
{
{ 10*KB, 10.24, 100.0, 2, 'K' }, /* 10 KB */
{ 100*KB, 102.4, 10.0, 1, 'K' }, /* 100 KB */
{ 1000*KB, 1024.0, 1.0, 0, 'K' }, /* 1000 KB */
{ 10*MB, 10485.76, 100.0, 2, 'M' }, /* 10 MB */
{ 100*MB, 104857.6, 10.0, 1, 'M' }, /* 100 MB */
{ 1000*MB, 1048576.0, 1.0, 0, 'M' }, /* 1000 MB */
{ 10*GB, 10737418.24, 100.0, 2, 'G' }, /* 10 GB */
{ 100*GB, 107374182.4, 10.0, 1, 'G' }, /* 100 GB */
{ 1000*GB, 1073741824.0, 1.0, 0, 'G' }, /* 1000 GB */
{ 10*TB, 10485.76, 100.0, 2, 'T' }, /* 10 TB */
{ 100*TB, 104857.6, 10.0, 1, 'T' }, /* 100 TB */
{ 1000*TB, 1048576.0, 1.0, 0, 'T' }, /* 1000 TB */
{ 10*PB, 10737418.24, 100.00, 2, 'P' }, /* 10 PB */
{ 100*PB, 107374182.4, 10.00, 1, 'P' }, /* 100 PB */
{ 1000*PB, 1073741824.0, 1.00, 0, 'P' }, /* 1000 PB */
{ 0, 10995116277.76, 100.00, 2, 'E' } /* EB's, catch all */
};
WCHAR wszAdd[] = {' ','?','B',0};
double dBytes;
UINT i = 0;
TRACE("(0x%s,%p,%d)\n", wine_dbgstr_longlong(llBytes), lpszDest, cchMax);
if (!lpszDest || !cchMax)
return lpszDest;
if (llBytes < 1024) /* 1K */
{
WCHAR wszBytesFormat[64];
LoadStringW(shlwapi_hInstance, IDS_BYTES_FORMAT, wszBytesFormat, 64);
snprintfW(lpszDest, cchMax, wszBytesFormat, (long)llBytes);
return lpszDest;
}
/* Note that if this loop completes without finding a match, i will be
* pointing at the last entry, which is a catch all for > 1000 PB
*/
while (i < sizeof(bfFormats) / sizeof(SHLWAPI_BYTEFORMATS) - 1)
{
if (llBytes < bfFormats[i].dLimit)
break;
i++;
}
/* Above 1 TB we encounter problems with FP accuracy. So for amounts above
* this number we integer shift down by 1 MB first. The table above has
* the divisors scaled down from the '< 10 TB' entry onwards, to account
* for this. We also add a small fudge factor to get the correct result for
* counts that lie exactly on a 1024 byte boundary.
*/
if (i > 8)
dBytes = (double)(llBytes >> 20) + 0.001; /* Scale down by I MB */
else
dBytes = (double)llBytes + 0.00001;
dBytes = floor(dBytes / bfFormats[i].dDivisor) / bfFormats[i].dNormaliser;
if (!FormatDouble(dBytes, bfFormats[i].nDecimals, lpszDest, cchMax))
return NULL;
wszAdd[1] = bfFormats[i].wPrefix;
StrCatBuffW(lpszDest, wszAdd, cchMax);
return lpszDest;
}
/*************************************************************************
* StrFormatByteSize64A [SHLWAPI.@]
*
* See StrFormatByteSizeW.
*/
LPSTR WINAPI StrFormatByteSize64A(LONGLONG llBytes, LPSTR lpszDest, UINT cchMax)
{
WCHAR wszBuff[32];
StrFormatByteSizeW(llBytes, wszBuff, sizeof(wszBuff)/sizeof(WCHAR));
if (lpszDest)
WideCharToMultiByte(CP_ACP, 0, wszBuff, -1, lpszDest, cchMax, 0, 0);
return lpszDest;
}
/*************************************************************************
* StrFormatByteSizeA [SHLWAPI.@]
*
* Create a string containing an abbreviated byte count of up to 2^31-1.
*
* PARAMS
* dwBytes [I] Byte size to format
* lpszDest [I] Destination for formatted string
* cchMax [I] Size of lpszDest
*
* RETURNS
* lpszDest.
*
* NOTES
* The Ascii and Unicode versions of this function accept a different
* integer type for dwBytes. See StrFormatByteSize64A().
*/
LPSTR WINAPI StrFormatByteSizeA(DWORD dwBytes, LPSTR lpszDest, UINT cchMax)
{
TRACE("(%d,%p,%d)\n", dwBytes, lpszDest, cchMax);
return StrFormatByteSize64A(dwBytes, lpszDest, cchMax);
}
/*************************************************************************
* @ [SHLWAPI.162]
*
* Remove a hanging lead byte from the end of a string, if present.
*
* PARAMS
* lpStr [I] String to check for a hanging lead byte
* size [I] Length of lpStr
*
* RETURNS
* Success: The new length of the string. Any hanging lead bytes are removed.
* Failure: 0, if any parameters are invalid.
*/
DWORD WINAPI SHTruncateString(LPSTR lpStr, DWORD size)
{
if (lpStr && size)
{
LPSTR lastByte = lpStr + size - 1;
while(lpStr < lastByte)
lpStr += IsDBCSLeadByte(*lpStr) ? 2 : 1;
if(lpStr == lastByte && IsDBCSLeadByte(*lpStr))
{
*lpStr = '\0';
size--;
}
return size;
}
return 0;
}
/*************************************************************************
* @ [SHLWAPI.203]
*
* Remove a single non-trailing ampersand ('&') from a string.
*
* PARAMS
* lpszStr [I/O] String to remove ampersand from.
*
* RETURNS
* The character after the first ampersand in lpszStr, or the first character
* in lpszStr if there is no ampersand in the string.
*/
char WINAPI SHStripMneumonicA(LPCSTR lpszStr)
{
LPSTR lpszIter, lpszTmp;
char ch;
TRACE("(%s)\n", debugstr_a(lpszStr));
ch = *lpszStr;
if ((lpszIter = StrChrA(lpszStr, '&')))
{
lpszTmp = CharNextA(lpszIter);
if (lpszTmp && *lpszTmp)
{
if (*lpszTmp != '&')
ch = *lpszTmp;
while (lpszIter && *lpszIter)
{
lpszTmp = CharNextA(lpszIter);
*lpszIter = *lpszTmp;
lpszIter = lpszTmp;
}
}
}
return ch;
}
/*************************************************************************
* @ [SHLWAPI.225]
*
* Unicode version of SHStripMneumonicA.
*/
WCHAR WINAPI SHStripMneumonicW(LPCWSTR lpszStr)
{
LPWSTR lpszIter, lpszTmp;
WCHAR ch;
TRACE("(%s)\n", debugstr_w(lpszStr));
ch = *lpszStr;
if ((lpszIter = StrChrW(lpszStr, '&')))
{
lpszTmp = CharNextW(lpszIter);
if (lpszTmp && *lpszTmp)
{
if (*lpszTmp != '&')
ch = *lpszTmp;
while (lpszIter && *lpszIter)
{
lpszTmp = CharNextW(lpszIter);
*lpszIter = *lpszTmp;
lpszIter = lpszTmp;
}
}
}
return ch;
}
/*************************************************************************
* @ [SHLWAPI.216]
*
* Convert an Ascii string to Unicode.
*
* PARAMS
* dwCp [I] Code page for the conversion
* lpSrcStr [I] Source Ascii string to convert
* lpDstStr [O] Destination for converted Unicode string
* iLen [I] Length of lpDstStr
*
* RETURNS
* The return value of the MultiByteToWideChar() function called on lpSrcStr.
*/
DWORD WINAPI SHAnsiToUnicodeCP(DWORD dwCp, LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
{
DWORD dwRet;
dwRet = MultiByteToWideChar(dwCp, 0, lpSrcStr, -1, lpDstStr, iLen);
TRACE("%s->%s,ret=%d\n", debugstr_a(lpSrcStr), debugstr_w(lpDstStr), dwRet);
return dwRet;
}
/*************************************************************************
* @ [SHLWAPI.215]
*
* Convert an Ascii string to Unicode.
*
* PARAMS
* lpSrcStr [I] Source Ascii string to convert
* lpDstStr [O] Destination for converted Unicode string
* iLen [I] Length of lpDstStr
*
* RETURNS
* The return value of the MultiByteToWideChar() function called on lpSrcStr.
*
* NOTES
* This function simply calls SHAnsiToUnicodeCP with code page CP_ACP.
*/
DWORD WINAPI SHAnsiToUnicode(LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen)
{
return SHAnsiToUnicodeCP(CP_ACP, lpSrcStr, lpDstStr, iLen);
}
/*************************************************************************
* @ [SHLWAPI.218]
*
* Convert a Unicode string to Ascii.
*
* PARAMS
* CodePage [I] Code page to use for the conversion
* lpSrcStr [I] Source Unicode string to convert
* lpDstStr [O] Destination for converted Ascii string
* lpiLen [I/O] Input length of lpDstStr/destination for length of lpDstStr
*
* RETURNS
* Success: The number of characters that result from the conversion.
* Failure: 0.
*/
INT WINAPI SHUnicodeToAnsiCP(UINT CodePage, LPCWSTR lpSrcStr, LPSTR lpDstStr,
LPINT lpiLen)
{
static const WCHAR emptyW[] = { '\0' };
int len , reqLen;
LPSTR mem;
if (!lpDstStr || !lpiLen)
return 0;
if (!lpSrcStr)
lpSrcStr = emptyW;
*lpDstStr = '\0';
len = strlenW(lpSrcStr) + 1;
switch (CodePage)
{
case CP_WINUNICODE:
CodePage = CP_UTF8; /* Fall through... */
case 0x0000C350: /* FIXME: CP_ #define */
case CP_UTF7:
case CP_UTF8:
{
DWORD dwMode = 0;
INT nWideCharCount = len - 1;
if (!ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &nWideCharCount, lpDstStr,
lpiLen))
return 0;
if (nWideCharCount < len - 1)
{
mem = HeapAlloc(GetProcessHeap(), 0, *lpiLen);
if (!mem)
return 0;
*lpiLen = 0;
if (ConvertINetUnicodeToMultiByte(&dwMode, CodePage, lpSrcStr, &len, mem, lpiLen))
{
SHTruncateString(mem, *lpiLen);
lstrcpynA(lpDstStr, mem, *lpiLen + 1);
HeapFree(GetProcessHeap(), 0, mem);
return *lpiLen + 1;
}
HeapFree(GetProcessHeap(), 0, mem);
return *lpiLen;
}
lpDstStr[*lpiLen] = '\0';
return *lpiLen;
}
default:
break;
}
reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, lpDstStr,
*lpiLen, NULL, NULL);
if (!reqLen && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, NULL, 0, NULL, NULL);
if (reqLen)
{
mem = HeapAlloc(GetProcessHeap(), 0, reqLen);
if (mem)
{
reqLen = WideCharToMultiByte(CodePage, 0, lpSrcStr, len, mem,
reqLen, NULL, NULL);
reqLen = SHTruncateString(mem, *lpiLen);
reqLen++;
lstrcpynA(lpDstStr, mem, *lpiLen);
HeapFree(GetProcessHeap(), 0, mem);
}
}
}
return reqLen;
}
/*************************************************************************
* @ [SHLWAPI.217]
*
* Convert a Unicode string to Ascii.
*
* PARAMS
* lpSrcStr [I] Source Unicode string to convert
* lpDstStr [O] Destination for converted Ascii string
* iLen [O] Length of lpDstStr in characters
*
* RETURNS
* See SHUnicodeToAnsiCP
* NOTES
* This function simply calls SHUnicodeToAnsiCP() with CodePage = CP_ACP.
*/
INT WINAPI SHUnicodeToAnsi(LPCWSTR lpSrcStr, LPSTR lpDstStr, INT iLen)
{
INT myint = iLen;
return SHUnicodeToAnsiCP(CP_ACP, lpSrcStr, lpDstStr, &myint);
}
/*************************************************************************
* @ [SHLWAPI.345]
*
* Copy one string to another.
*
* PARAMS
* lpszSrc [I] Source string to copy
* lpszDst [O] Destination for copy
* iLen [I] Length of lpszDst in characters
*
* RETURNS
* The length of the copied string, including the terminating NUL. lpszDst
* contains iLen characters of lpszSrc.
*/
DWORD WINAPI SHAnsiToAnsi(LPCSTR lpszSrc, LPSTR lpszDst, int iLen)
{
LPSTR lpszRet;
TRACE("(%s,%p,0x%08x)\n", debugstr_a(lpszSrc), lpszDst, iLen);
lpszRet = StrCpyNXA(lpszDst, lpszSrc, iLen);
return lpszRet - lpszDst + 1;
}
/*************************************************************************
* @ [SHLWAPI.346]
*
* Unicode version of SSHAnsiToAnsi.
*/
DWORD WINAPI SHUnicodeToUnicode(LPCWSTR lpszSrc, LPWSTR lpszDst, int iLen)
{
LPWSTR lpszRet;
TRACE("(%s,%p,0x%08x)\n", debugstr_w(lpszSrc), lpszDst, iLen);
lpszRet = StrCpyNXW(lpszDst, lpszSrc, iLen);
return lpszRet - lpszDst + 1;
}
/*************************************************************************
* @ [SHLWAPI.364]
*
* Determine if an Ascii string converts to Unicode and back identically.
*
* PARAMS
* lpSrcStr [I] Source Unicode string to convert
* lpDst [O] Destination for resulting Ascii string
* iLen [I] Length of lpDst in characters
*
* RETURNS
* TRUE, since Ascii strings always convert identically.
*/
BOOL WINAPI DoesStringRoundTripA(LPCSTR lpSrcStr, LPSTR lpDst, INT iLen)
{
lstrcpynA(lpDst, lpSrcStr, iLen);
return TRUE;
}
/*************************************************************************
* @ [SHLWAPI.365]
*
* Determine if a Unicode string converts to Ascii and back identically.
*
* PARAMS
* lpSrcStr [I] Source Unicode string to convert
* lpDst [O] Destination for resulting Ascii string
* iLen [I] Length of lpDst in characters
*
* RETURNS
* TRUE, if lpSrcStr converts to Ascii and back identically,
* FALSE otherwise.
*/
BOOL WINAPI DoesStringRoundTripW(LPCWSTR lpSrcStr, LPSTR lpDst, INT iLen)
{
WCHAR szBuff[MAX_PATH];
SHUnicodeToAnsi(lpSrcStr, lpDst, iLen);
SHAnsiToUnicode(lpDst, szBuff, MAX_PATH);
return !strcmpW(lpSrcStr, szBuff);
}
/*************************************************************************
* SHLoadIndirectString [SHLWAPI.@]
*
* If passed a string that begins with '@', extract the string from the
* appropriate resource, otherwise do a straight copy.
*
*/
HRESULT WINAPI SHLoadIndirectString(LPCWSTR src, LPWSTR dst, UINT dst_len, void **reserved)
{
WCHAR *dllname = NULL;
HMODULE hmod = NULL;
HRESULT hr = E_FAIL;
TRACE("(%s %p %08x %p)\n", debugstr_w(src), dst, dst_len, reserved);
if(src[0] == '@')
{
WCHAR *index_str;
int index;
dst[0] = 0;
dllname = StrDupW(src + 1);
index_str = strchrW(dllname, ',');
if(!index_str) goto end;
*index_str = 0;
index_str++;
index = atoiW(index_str);
hmod = LoadLibraryW(dllname);
if(!hmod) goto end;
if(index < 0)
{
if(LoadStringW(hmod, -index, dst, dst_len))
hr = S_OK;
}
else
FIXME("can't handle non-negative indices (%d)\n", index);
}
else
{
if(dst != src)
lstrcpynW(dst, src, dst_len);
hr = S_OK;
}
TRACE("returning %s\n", debugstr_w(dst));
end:
if(hmod) FreeLibrary(hmod);
HeapFree(GetProcessHeap(), 0, dllname);
return hr;
}
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