Sweden-Number/dlls/shlwapi/string.c

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/*
* Shlwapi string functions
*
* Copyright 1998 Juergen Schmied
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "winerror.h"
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#include "windef.h"
#include "winbase.h"
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#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#define NO_SHLWAPI_STREAM
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#include "shlwapi.h"
#include "shlobj.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/*************************************************************************
* ChrCmpIA [SHLWAPI.385]
*
* Note: Returns 0 (FALSE) if characters are equal (insensitive).
*/
BOOL WINAPI ChrCmpIA (WORD w1, WORD w2)
{
TRACE("%c ? %c\n", w1, w2);
return (toupper(w1) != toupper(w2));
}
/*************************************************************************
* ChrCmpIW [SHLWAPI.386]
*
* Note: Returns 0 (FALSE) if characters are equal (insensitive).
*/
BOOL WINAPI ChrCmpIW (WCHAR w1, WCHAR w2)
{
TRACE("%c ? %c\n", w1, w2);
return (toupperW(w1) != toupperW(w2));
}
/*************************************************************************
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* StrChrA [SHLWAPI.@]
*/
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LPSTR WINAPI StrChrA (LPCSTR str, WORD c)
{
TRACE("%s %i\n", str,c);
return strchr(str, c);
}
/*************************************************************************
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* StrChrW [SHLWAPI.@]
*
*/
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LPWSTR WINAPI StrChrW (LPCWSTR str, WCHAR x )
{
TRACE("%s 0x%04x\n",debugstr_w(str),x);
return strchrW(str, x);
}
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/*************************************************************************
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* StrCmpIW [SHLWAPI.@]
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*/
int WINAPI StrCmpIW ( LPCWSTR wstr1, LPCWSTR wstr2 )
{
TRACE("%s %s\n", debugstr_w(wstr1),debugstr_w(wstr2));
return strcmpiW( wstr1, wstr2 );
}
/*************************************************************************
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* StrCmpNA [SHLWAPI.@]
*/
INT WINAPI StrCmpNA ( LPCSTR str1, LPCSTR str2, INT len)
{
TRACE("%s %s %i stub\n", str1,str2,len);
return strncmp(str1, str2, len);
}
/*************************************************************************
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* StrCmpNW [SHLWAPI.@]
*/
INT WINAPI StrCmpNW ( LPCWSTR wstr1, LPCWSTR wstr2, INT len)
{
TRACE("%s %s %i stub\n", debugstr_w(wstr1),debugstr_w(wstr2),len);
return strncmpW(wstr1, wstr2, len);
}
/*************************************************************************
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* StrCmpNIA [SHLWAPI.@]
*/
int WINAPI StrCmpNIA ( LPCSTR str1, LPCSTR str2, int len)
{
TRACE("%s %s %i stub\n", str1,str2,len);
return strncasecmp(str1, str2, len);
}
/*************************************************************************
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* StrCmpNIW [SHLWAPI.@]
*/
int WINAPI StrCmpNIW ( LPCWSTR wstr1, LPCWSTR wstr2, int len)
{
TRACE("%s %s %i stub\n", debugstr_w(wstr1),debugstr_w(wstr2),len);
return strncmpiW(wstr1, wstr2, len);
}
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/*************************************************************************
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* StrCmpW [SHLWAPI.@]
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*/
int WINAPI StrCmpW ( LPCWSTR wstr1, LPCWSTR wstr2 )
{
TRACE("%s %s\n", debugstr_w(wstr1),debugstr_w(wstr2));
return strcmpW( wstr1, wstr2 );
}
/*************************************************************************
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* StrCatW [SHLWAPI.@]
*/
LPWSTR WINAPI StrCatW( LPWSTR wstr1, LPCWSTR wstr2 )
{
return strcatW( wstr1, wstr2 );
}
/*************************************************************************
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* StrCpyW [SHLWAPI.@]
*/
LPWSTR WINAPI StrCpyW( LPWSTR wstr1, LPCWSTR wstr2 )
{
return strcpyW( wstr1, wstr2 );
}
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/*************************************************************************
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* StrCpyNW [SHLWAPI.@]
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*/
LPWSTR WINAPI StrCpyNW( LPWSTR wstr1, LPCWSTR wstr2, int n )
{
return lstrcpynW( wstr1, wstr2, n );
}
/*************************************************************************
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* StrStrA [SHLWAPI.@]
*/
LPSTR WINAPI StrStrA(LPCSTR lpFirst, LPCSTR lpSrch)
{
while (*lpFirst)
{
LPCSTR p1 = lpFirst, p2 = lpSrch;
while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
if (!*p2) return (LPSTR)lpFirst;
lpFirst++;
}
return NULL;
}
/*************************************************************************
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* StrStrW [SHLWAPI.@]
*/
LPWSTR WINAPI StrStrW(LPCWSTR lpFirst, LPCWSTR lpSrch)
{
while (*lpFirst)
{
LPCWSTR p1 = lpFirst, p2 = lpSrch;
while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
if (!*p2) return (LPWSTR)lpFirst;
lpFirst++;
}
return NULL;
}
/*************************************************************************
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* StrStrIA [SHLWAPI.@]
*/
LPSTR WINAPI StrStrIA(LPCSTR lpFirst, LPCSTR lpSrch)
{
while (*lpFirst)
{
LPCSTR p1 = lpFirst, p2 = lpSrch;
while (*p1 && *p2 && toupper(*p1) == toupper(*p2)) { p1++; p2++; }
if (!*p2) return (LPSTR)lpFirst;
lpFirst++;
}
return NULL;
}
/*************************************************************************
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* StrStrIW [SHLWAPI.@]
*/
LPWSTR WINAPI StrStrIW(LPCWSTR lpFirst, LPCWSTR lpSrch)
{
while (*lpFirst)
{
LPCWSTR p1 = lpFirst, p2 = lpSrch;
while (*p1 && *p2 && toupperW(*p1) == toupperW(*p2)) { p1++; p2++; }
if (!*p2) return (LPWSTR)lpFirst;
lpFirst++;
}
return NULL;
}
/*************************************************************************
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* StrToIntA [SHLWAPI.@]
*/
int WINAPI StrToIntA(LPCSTR lpSrc)
{
TRACE("%s\n", lpSrc);
return atol(lpSrc);
}
/*************************************************************************
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* StrToIntW [SHLWAPI.@]
*/
int WINAPI StrToIntW(LPCWSTR lpSrc)
{
char buffer[32];
TRACE("%s\n", debugstr_w(lpSrc));
WideCharToMultiByte( CP_ACP, 0, lpSrc, -1, buffer, sizeof(buffer), NULL, NULL );
buffer[sizeof(buffer)-1] = 0;
return atol(buffer);
}
/*************************************************************************
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* StrToIntExA [SHLWAPI.@]
*/
BOOL WINAPI StrToIntExA( LPCSTR pszString, DWORD dwFlags, LPINT piRet)
{
TRACE("%s %ld stub !\n", debugstr_a(pszString), dwFlags);
piRet = (LPINT) StrToIntA(pszString);
return TRUE;
}
/*************************************************************************
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* StrToIntExW [SHLWAPI.@]
*/
BOOL WINAPI StrToIntExW( LPCWSTR pszString, DWORD dwFlags, LPINT piRet)
{
TRACE("%s %ld stub !\n", debugstr_w(pszString), dwFlags);
piRet = (LPINT) StrToIntW(pszString);
return TRUE;
}
/*************************************************************************
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* StrDupA [SHLWAPI.@]
*/
LPSTR WINAPI StrDupA (LPCSTR lpSrc)
{
int len = strlen(lpSrc);
LPSTR lpDest = (LPSTR) LocalAlloc(LMEM_FIXED, len+1);
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TRACE("%s\n", lpSrc);
if (lpDest) strcpy(lpDest, lpSrc);
return lpDest;
}
/*************************************************************************
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* StrDupW [SHLWAPI.@]
*/
LPWSTR WINAPI StrDupW (LPCWSTR lpSrc)
{
int len = strlenW(lpSrc);
LPWSTR lpDest = (LPWSTR) LocalAlloc(LMEM_FIXED, sizeof(WCHAR) * (len+1));
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TRACE("%s\n", debugstr_w(lpSrc));
if (lpDest) strcpyW(lpDest, lpSrc);
return lpDest;
}
/*************************************************************************
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* StrCSpnA [SHLWAPI.@]
*/
int WINAPI StrCSpnA (LPCSTR lpStr, LPCSTR lpSet)
{
int i,j, pos = strlen(lpStr);
TRACE("(%p %s %p %s)\n",
lpStr, debugstr_a(lpStr), lpSet, debugstr_a(lpSet));
for (i=0; i < strlen(lpSet) ; i++ )
{
for (j = 0; j < pos;j++)
{
if (lpStr[j] == lpSet[i])
{
pos = j;
}
}
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}
TRACE("-- %u\n", pos);
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return pos;
}
/*************************************************************************
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* StrCSpnW [SHLWAPI.@]
*/
int WINAPI StrCSpnW (LPCWSTR lpStr, LPCWSTR lpSet)
{
int i,j, pos = strlenW(lpStr);
TRACE("(%p %s %p %s)\n",
lpStr, debugstr_w(lpStr), lpSet, debugstr_w(lpSet));
for (i=0; i < strlenW(lpSet) ; i++ )
{
for (j = 0; j < pos;j++)
{
if (lpStr[j] == lpSet[i])
{
pos = j;
}
}
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}
TRACE("-- %u\n", pos);
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return pos;
}
/**************************************************************************
* StrRChrA [SHLWAPI.@]
*
*/
LPSTR WINAPI StrRChrA( LPCSTR lpStart, LPCSTR lpEnd, WORD wMatch )
{
LPCSTR lpGotIt = NULL;
BOOL dbcs = IsDBCSLeadByte( LOBYTE(wMatch) );
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpStart && !lpEnd) return NULL;
if (!lpEnd) lpEnd = lpStart + strlen(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextA(lpStart))
{
if (*lpStart != LOBYTE(wMatch)) continue;
if (dbcs && lpStart[1] != HIBYTE(wMatch)) continue;
lpGotIt = lpStart;
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}
return (LPSTR)lpGotIt;
}
/**************************************************************************
* StrRChrW [SHLWAPI.@]
*
*/
LPWSTR WINAPI StrRChrW( LPCWSTR lpStart, LPCWSTR lpEnd, WORD wMatch)
{
LPCWSTR lpGotIt = NULL;
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpStart && !lpEnd) return NULL;
if (!lpEnd) lpEnd = lpStart + strlenW(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextW(lpStart))
if (*lpStart == wMatch) lpGotIt = lpStart;
return (LPWSTR)lpGotIt;
}
/**************************************************************************
* StrRChrIA [SHLWAPI.@]
*
*/
LPSTR WINAPI StrRChrIA( LPCSTR lpStart, LPCSTR lpEnd, WORD wMatch )
{
LPCSTR lpGotIt = NULL;
BOOL dbcs = IsDBCSLeadByte( LOBYTE(wMatch) );
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpStart && !lpEnd) return NULL;
if (!lpEnd) lpEnd = lpStart + strlen(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextA(lpStart))
{
if (dbcs) {
/*
if (_mbctoupper(*lpStart) == _mbctoupper(wMatch))
lpGotIt = lpStart;
*/
if (toupper(*lpStart) == toupper(wMatch)) lpGotIt = lpStart;
} else {
if (toupper(*lpStart) == toupper(wMatch)) lpGotIt = lpStart;
}
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}
return (LPSTR)lpGotIt;
}
/**************************************************************************
* StrRChrIW [SHLWAPI.@]
*
*/
LPWSTR WINAPI StrRChrIW( LPCWSTR lpStart, LPCWSTR lpEnd, WORD wMatch)
{
LPCWSTR lpGotIt = NULL;
TRACE("(%p, %p, %x)\n", lpStart, lpEnd, wMatch);
if (!lpStart && !lpEnd) return NULL;
if (!lpEnd) lpEnd = lpStart + strlenW(lpStart);
for(; lpStart < lpEnd; lpStart = CharNextW(lpStart))
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if (toupperW(*lpStart) == toupperW(wMatch)) lpGotIt = lpStart;
return (LPWSTR)lpGotIt;
}
/*************************************************************************
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* StrCatBuffA [SHLWAPI.@]
*
* Appends back onto front, stopping when front is size-1 characters long.
* Returns front.
*
*/
LPSTR WINAPI StrCatBuffA(LPSTR front, LPCSTR back, INT size)
{
LPSTR dst = front + strlen(front);
LPCSTR src = back, end = front + size - 1;
while(dst < end && *src)
*dst++ = *src++;
*dst = '\0';
return front;
}
/*************************************************************************
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* StrCatBuffW [SHLWAPI.@]
*
* Appends back onto front, stopping when front is size-1 characters long.
* Returns front.
*
*/
LPWSTR WINAPI StrCatBuffW(LPWSTR front, LPCWSTR back, INT size)
{
LPWSTR dst = front + strlenW(front);
LPCWSTR src = back, end = front + size - 1;
while(dst < end && *src)
*dst++ = *src++;
*dst = '\0';
return front;
}
/*************************************************************************
* StrRetToBufA [SHLWAPI.@]
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*
* converts a STRRET to a normal string
*
* NOTES
* the pidl is for STRRET OFFSET
*
* ***** NOTE *****
* This routine is identical to StrRetToStrNA in dlls/shell32/shellstring.c.
* It was duplicated there because not every version of Shlwapi.dll exports
* StrRetToBufA. If you change one routine, change them both. YOU HAVE BEEN
* WARNED.
* ***** NOTE *****
*/
HRESULT WINAPI StrRetToBufA (LPSTRRET src, const ITEMIDLIST *pidl, LPSTR dest, DWORD len)
{
TRACE("dest=%p len=0x%lx strret=%p pidl=%p stub\n",dest,len,src,pidl);
switch (src->uType)
{
case STRRET_WSTR:
WideCharToMultiByte(CP_ACP, 0, src->u.pOleStr, -1, (LPSTR)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");
if (len)
{
*(LPSTR)dest = '\0';
}
return(FALSE);
}
return S_OK;
}
/*************************************************************************
* StrRetToBufW [SHLWAPI.@]
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*
* converts a STRRET to a normal string
*
* NOTES
* the pidl is for STRRET OFFSET
*
* ***** NOTE *****
* This routine is identical to StrRetToStrNW in dlls/shell32/shellstring.c.
* It was duplicated there because not every version of Shlwapi.dll exports
* StrRetToBufW. If you change one routine, change them both. YOU HAVE BEEN
* WARNED.
* ***** NOTE *****
*/
HRESULT WINAPI StrRetToBufW (LPSTRRET src, const ITEMIDLIST *pidl, LPWSTR dest, DWORD len)
{
TRACE("dest=%p len=0x%lx strret=%p pidl=%p stub\n",dest,len,src,pidl);
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");
if (len)
{ *(LPSTR)dest = '\0';
}
return(FALSE);
}
return S_OK;
}
/*************************************************************************
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* StrFormatByteSizeA [SHLWAPI.@]
*/
LPSTR WINAPI StrFormatByteSizeA ( DWORD dw, LPSTR pszBuf, UINT cchBuf )
{ char buf[64];
TRACE("%lx %p %i\n", dw, pszBuf, cchBuf);
if ( dw<1024L )
{ sprintf (buf,"%ld bytes", dw);
}
else if ( dw<1048576L)
{ sprintf (buf,"%3.1f KB", (FLOAT)dw/1024);
}
else if ( dw < 1073741824L)
{ sprintf (buf,"%3.1f MB", (FLOAT)dw/1048576L);
}
else
{ sprintf (buf,"%3.1f GB", (FLOAT)dw/1073741824L);
}
lstrcpynA (pszBuf, buf, cchBuf);
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return pszBuf;
}
/*************************************************************************
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* StrFormatByteSizeW [SHLWAPI.@]
*/
LPWSTR WINAPI StrFormatByteSizeW ( DWORD dw, LPWSTR pszBuf, UINT cchBuf )
{
char buf[64];
StrFormatByteSizeA( dw, buf, sizeof(buf) );
if (!MultiByteToWideChar( CP_ACP, 0, buf, -1, pszBuf, cchBuf ) && cchBuf)
pszBuf[cchBuf-1] = 0;
return pszBuf;
}
/*************************************************************************
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* StrNCatA [SHLWAPI.@]
*/
LPSTR WINAPI StrNCatA(LPSTR front, LPCSTR back, INT cchMax)
{
TRACE("%s %s %i stub\n", debugstr_a(front),debugstr_a(back),cchMax);
return (front);
}
/*************************************************************************
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* StrNCatW [SHLWAPI.@]
*/
LPWSTR WINAPI StrNCatW(LPWSTR front, LPCWSTR back, INT cchMax)
{
TRACE("%s %s %i stub\n", debugstr_w(front),debugstr_w(back),cchMax);
return (front);
}
/*************************************************************************
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* StrTrimA [SHLWAPI.@]
*/
BOOL WINAPI StrTrimA(LPSTR pszSource, LPCSTR pszTrimChars)
{
BOOL trimmed = FALSE;
LPSTR pSrc;
LPCSTR pTrim;
TRACE("('%s', '%s');\n", pszSource, pszTrimChars);
for (pTrim = pszTrimChars; *pTrim; pTrim++)
{
for (pSrc = pszSource; *pSrc; pSrc++)
if (*pSrc == *pTrim)
{
/* match -> remove this char.
* strlen(pSrc) equiv. to the correct strlen(pSrc+1)+1 */
memmove(pSrc, pSrc+1, strlen(pSrc));
trimmed = TRUE;
}
}
TRACE("<- '%s'\n", pszSource);
return trimmed;
}
/*************************************************************************
* SHStrDupA [SHLWAPI.@]
*
* Duplicates a ASCII string to UNICODE. The destination buffer is allocated.
*/
HRESULT WINAPI SHStrDupA(LPCSTR src, LPWSTR * dest)
{
HRESULT hr;
int len = 0;
if (src) {
len = (MultiByteToWideChar(0,0,src,-1,0,0) + 1)* sizeof(WCHAR);
*dest = CoTaskMemAlloc(len);
} else {
*dest = NULL;
}
if (*dest) {
MultiByteToWideChar(0,0,src,-1,*dest,len);
hr = S_OK;
} else {
hr = E_OUTOFMEMORY;
}
TRACE("%s->(%p)\n", debugstr_a(src), *dest);
return hr;
}
/*************************************************************************
* SHStrDupW [SHLWAPI.@]
*
* Duplicates a UNICODE string. The destination buffer is allocated.
*/
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;
}