Sweden-Number/dlls/comctl32/string.c

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/*
* String manipulation functions
*
* Copyright 1998 Eric Kohl
* 1998 Juergen Schmied <j.schmied@metronet.de>
* 2000 Eric Kohl for CodeWeavers
* 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 <stdarg.h>
#include <string.h>
#include <stdlib.h> /* atoi */
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winnls.h"
#include "comctl32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
/**************************************************************************
* Str_GetPtrA [COMCTL32.233]
*
* Copies a string into a destination buffer.
*
* PARAMS
* lpSrc [I] Source string
* lpDest [O] Destination buffer
* nMaxLen [I] Size of buffer in characters
*
* RETURNS
* The number of characters copied.
*/
INT WINAPI Str_GetPtrA (LPCSTR lpSrc, LPSTR lpDest, INT nMaxLen)
{
INT len;
TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
if ((!lpDest || nMaxLen == 0) && lpSrc)
return (strlen(lpSrc) + 1);
if (nMaxLen == 0)
return 0;
if (lpSrc == NULL) {
lpDest[0] = '\0';
return 0;
}
len = strlen(lpSrc) + 1;
if (len >= nMaxLen)
len = nMaxLen;
RtlMoveMemory (lpDest, lpSrc, len - 1);
lpDest[len - 1] = '\0';
return len;
}
/**************************************************************************
* Str_SetPtrA [COMCTL32.234]
*
* Makes a copy of a string, allocating memory if necessary.
*
* PARAMS
* lppDest [O] Pointer to destination string
* lpSrc [I] Source string
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Set lpSrc to NULL to free the memory allocated by a previous call
* to this function.
*/
BOOL WINAPI Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
{
TRACE("(%p %p)\n", lppDest, lpSrc);
if (lpSrc) {
LPSTR ptr = ReAlloc (*lppDest, strlen (lpSrc) + 1);
if (!ptr)
return FALSE;
strcpy (ptr, lpSrc);
*lppDest = ptr;
}
else {
Free (*lppDest);
*lppDest = NULL;
}
return TRUE;
}
/**************************************************************************
* Str_GetPtrW [COMCTL32.235]
*
* See Str_GetPtrA.
*/
INT WINAPI Str_GetPtrW (LPCWSTR lpSrc, LPWSTR lpDest, INT nMaxLen)
{
INT len;
TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
if (!lpDest && lpSrc)
return lstrlenW (lpSrc);
if (nMaxLen == 0)
return 0;
if (lpSrc == NULL) {
lpDest[0] = '\0';
return 0;
}
len = lstrlenW (lpSrc);
if (len >= nMaxLen)
len = nMaxLen - 1;
RtlMoveMemory (lpDest, lpSrc, len*sizeof(WCHAR));
lpDest[len] = '\0';
return len;
}
/**************************************************************************
* Str_SetPtrW [COMCTL32.236]
*
* See Str_SetPtrA.
*/
BOOL WINAPI Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
{
TRACE("(%p %s)\n", lppDest, debugstr_w(lpSrc));
if (lpSrc) {
INT len = lstrlenW (lpSrc) + 1;
LPWSTR ptr = ReAlloc (*lppDest, len * sizeof(WCHAR));
if (!ptr)
return FALSE;
lstrcpyW (ptr, lpSrc);
*lppDest = ptr;
}
else {
Free (*lppDest);
*lppDest = NULL;
}
return TRUE;
}
/*************************************************************************
* IntlStrEqWorkerA [COMCTL32.376]
*
* 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 IntlStrEqWorkerA(BOOL bCase, LPCSTR lpszStr, LPCSTR lpszComp,
int iLen)
{
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DWORD dwFlags;
int iRet;
TRACE("(%d,%s,%s,%d)\n", bCase,
debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
/* FIXME: This flag is undocumented and unknown by our CompareString.
*/
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dwFlags = LOCALE_RETURN_GENITIVE_NAMES;
if (!bCase) dwFlags |= NORM_IGNORECASE;
iRet = CompareStringA(GetThreadLocale(),
dwFlags, lpszStr, iLen, lpszComp, iLen);
if (!iRet)
iRet = CompareStringA(2048, dwFlags, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_EQUAL;
}
/*************************************************************************
* IntlStrEqWorkerW [COMCTL32.377]
*
* See IntlStrEqWorkerA.
*/
BOOL WINAPI IntlStrEqWorkerW(BOOL bCase, LPCWSTR lpszStr, LPCWSTR lpszComp,
int iLen)
{
DWORD dwFlags;
int iRet;
TRACE("(%d,%s,%s,%d)\n", bCase,
debugstr_w(lpszStr),debugstr_w(lpszComp), iLen);
/* FIXME: This flag is undocumented and unknown by our CompareString.
*/
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dwFlags = LOCALE_RETURN_GENITIVE_NAMES;
if (!bCase) dwFlags |= NORM_IGNORECASE;
iRet = CompareStringW(GetThreadLocale(),
dwFlags, lpszStr, iLen, lpszComp, iLen);
if (!iRet)
iRet = CompareStringW(2048, dwFlags, lpszStr, iLen, lpszComp, iLen);
return iRet == CSTR_EQUAL;
}