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237 lines
5.7 KiB
C
237 lines
5.7 KiB
C
/*
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* String manipulation functions
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*
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* Copyright 1998 Eric Kohl
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* 1998 Juergen Schmied <j.schmied@metronet.de>
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* 2000 Eric Kohl for CodeWeavers
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* Copyright 2002 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h> /* atoi */
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "comctl32.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(commctrl);
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/**************************************************************************
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* Str_GetPtrA [COMCTL32.233]
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*
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* Copies a string into a destination buffer.
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*
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* PARAMS
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* lpSrc [I] Source string
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* lpDest [O] Destination buffer
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* nMaxLen [I] Size of buffer in characters
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*
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* RETURNS
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* The number of characters copied.
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*/
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INT WINAPI Str_GetPtrA (LPCSTR lpSrc, LPSTR lpDest, INT nMaxLen)
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{
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INT len;
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TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
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if ((!lpDest || nMaxLen == 0) && lpSrc)
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return (strlen(lpSrc) + 1);
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if (nMaxLen == 0)
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return 0;
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if (lpSrc == NULL) {
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lpDest[0] = '\0';
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return 0;
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}
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len = strlen(lpSrc) + 1;
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if (len >= nMaxLen)
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len = nMaxLen;
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RtlMoveMemory (lpDest, lpSrc, len - 1);
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lpDest[len - 1] = '\0';
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return len;
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}
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/**************************************************************************
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* Str_SetPtrA [COMCTL32.234]
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*
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* Makes a copy of a string, allocating memory if necessary.
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*
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* PARAMS
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* lppDest [O] Pointer to destination string
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* lpSrc [I] Source string
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*
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* NOTES
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* Set lpSrc to NULL to free the memory allocated by a previous call
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* to this function.
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*/
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BOOL WINAPI Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
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{
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TRACE("(%p %p)\n", lppDest, lpSrc);
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if (lpSrc) {
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LPSTR ptr = ReAlloc (*lppDest, strlen (lpSrc) + 1);
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if (!ptr)
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return FALSE;
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strcpy (ptr, lpSrc);
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*lppDest = ptr;
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}
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else {
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Free (*lppDest);
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*lppDest = NULL;
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}
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return TRUE;
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}
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/**************************************************************************
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* Str_GetPtrW [COMCTL32.235]
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*
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* See Str_GetPtrA.
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*/
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INT WINAPI Str_GetPtrW (LPCWSTR lpSrc, LPWSTR lpDest, INT nMaxLen)
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{
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INT len;
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TRACE("(%p %p %d)\n", lpSrc, lpDest, nMaxLen);
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if (!lpDest && lpSrc)
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return lstrlenW (lpSrc);
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if (nMaxLen == 0)
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return 0;
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if (lpSrc == NULL) {
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lpDest[0] = '\0';
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return 0;
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}
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len = lstrlenW (lpSrc);
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if (len >= nMaxLen)
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len = nMaxLen - 1;
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RtlMoveMemory (lpDest, lpSrc, len*sizeof(WCHAR));
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lpDest[len] = '\0';
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return len;
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}
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/**************************************************************************
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* Str_SetPtrW [COMCTL32.236]
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*
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* See Str_SetPtrA.
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*/
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BOOL WINAPI Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
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{
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TRACE("(%p %s)\n", lppDest, debugstr_w(lpSrc));
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if (lpSrc) {
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INT len = lstrlenW (lpSrc) + 1;
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LPWSTR ptr = ReAlloc (*lppDest, len * sizeof(WCHAR));
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if (!ptr)
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return FALSE;
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lstrcpyW (ptr, lpSrc);
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*lppDest = ptr;
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}
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else {
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Free (*lppDest);
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*lppDest = NULL;
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}
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return TRUE;
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}
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/*************************************************************************
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* IntlStrEqWorkerA [COMCTL32.376]
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*
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* Compare two strings.
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*
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* PARAMS
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* bCase [I] Whether to compare case sensitively
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* lpszStr [I] First string to compare
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* lpszComp [I] Second string to compare
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* iLen [I] Length to compare
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*
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* RETURNS
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* TRUE If the strings are equal.
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* FALSE Otherwise.
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*/
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BOOL WINAPI IntlStrEqWorkerA(BOOL bCase, LPCSTR lpszStr, LPCSTR lpszComp,
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int iLen)
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{
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DWORD dwFlags;
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int iRet;
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TRACE("(%d,%s,%s,%d)\n", bCase,
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debugstr_a(lpszStr), debugstr_a(lpszComp), iLen);
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/* FIXME: This flag is undocumented and unknown by our CompareString.
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*/
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dwFlags = LOCALE_RETURN_GENITIVE_NAMES;
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if (!bCase) dwFlags |= NORM_IGNORECASE;
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iRet = CompareStringA(GetThreadLocale(),
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dwFlags, lpszStr, iLen, lpszComp, iLen);
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if (!iRet)
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iRet = CompareStringA(2048, dwFlags, lpszStr, iLen, lpszComp, iLen);
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return iRet == CSTR_EQUAL;
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}
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/*************************************************************************
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* IntlStrEqWorkerW [COMCTL32.377]
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*
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* See IntlStrEqWorkerA.
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*/
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BOOL WINAPI IntlStrEqWorkerW(BOOL bCase, LPCWSTR lpszStr, LPCWSTR lpszComp,
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int iLen)
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{
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DWORD dwFlags;
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int iRet;
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TRACE("(%d,%s,%s,%d)\n", bCase,
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debugstr_w(lpszStr),debugstr_w(lpszComp), iLen);
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/* FIXME: This flag is undocumented and unknown by our CompareString.
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*/
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dwFlags = LOCALE_RETURN_GENITIVE_NAMES;
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if (!bCase) dwFlags |= NORM_IGNORECASE;
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iRet = CompareStringW(GetThreadLocale(),
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dwFlags, lpszStr, iLen, lpszComp, iLen);
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if (!iRet)
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iRet = CompareStringW(2048, dwFlags, lpszStr, iLen, lpszComp, iLen);
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return iRet == CSTR_EQUAL;
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}
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