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[COMDLG32] Fix treatment of wrong filename extension (#1545)

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Fix treatment of wrong filename extensions upon GetOpenFileName/GetSaveFileName. CORE-15270
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Katayama Hirofumi MZ 2019-05-02 22:48:01 +09:00 committed by GitHub
parent bdaa8e5ad1
commit dcaaf3e7af
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1 changed files with 97 additions and 0 deletions
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97
dll/win32/comdlg32/filedlg.c
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@ -2985,6 +2985,102 @@ BOOL FILEDLG95_OnOpen(HWND hwnd)
/* Attach the file extension with file name*/
ext = PathFindExtensionW(lpstrPathAndFile);
#ifdef __REACTOS__
{
LPWSTR filterExt = NULL, lpstrFilter = NULL, pch, pchNext;
LPCWSTR the_ext = NULL;
static const WCHAR szwDot[] = {'.',0};
int PathLength = lstrlenW(lpstrPathAndFile);
/* get filter extensions */
lpstrFilter = (LPWSTR) CBGetItemDataPtr(fodInfos->DlgInfos.hwndFileTypeCB,
fodInfos->ofnInfos->nFilterIndex - 1);
if (lpstrFilter != (LPWSTR)CB_ERR) /* control is not empty */
{
LPWSTR filterSearchIndex, pchFirst = NULL;
filterExt = heap_alloc((lstrlenW(lpstrFilter) + 1) * sizeof(WCHAR));
if (filterExt)
{
strcpyW(filterExt, lpstrFilter);
if (ext && *ext)
{
/* find ext in filter */
for (pch = filterExt; pch && *pch; pch = pchNext)
{
filterSearchIndex = strchrW(pch, ';');
if (filterSearchIndex)
{
filterSearchIndex[0] = 0;
pchNext = filterSearchIndex + 1;
}
else
{
pchNext = NULL;
}
while (*pch == '*' || *pch == '.' || *pch == '?')
{
++pch;
}
if (!pchFirst)
pchFirst = pch;
if (lstrcmpiW(pch, &ext[1]) == 0)
{
the_ext = pch;
break;
}
}
/* use first one if not found */
if (!the_ext && pchFirst && *pchFirst)
{
the_ext = pchFirst;
}
}
}
}
if (!the_ext)
{
/* use default extension if no extension in filter */
the_ext = fodInfos->defext;
}
if (the_ext && *the_ext && lstrcmpiW(&ext[1], the_ext) != 0)
{
if (strlenW(lpstrPathAndFile) + 1 + strlenW(the_ext) + 1 <=
fodInfos->ofnInfos->nMaxFile)
{
/* append the dot */
lstrcatW(lpstrPathAndFile, szwDot);
/* append the extension */
lstrcatW(lpstrPathAndFile, the_ext);
/* update ext */
ext = PathFindExtensionW(lpstrPathAndFile);
}
}
heap_free(filterExt);
/* In Open dialog: if file does not exist try without extension */
if (!(fodInfos->DlgInfos.dwDlgProp & FODPROP_SAVEDLG) && !PathFileExistsW(lpstrPathAndFile))
lpstrPathAndFile[PathLength] = 0;
/* Set/clear the output OFN_EXTENSIONDIFFERENT flag */
if (*ext)
ext++;
if (!lstrcmpiW(fodInfos->defext, ext))
fodInfos->ofnInfos->Flags &= ~OFN_EXTENSIONDIFFERENT;
else
fodInfos->ofnInfos->Flags |= OFN_EXTENSIONDIFFERENT;
}
/* update dialog data */
SetWindowTextW(fodInfos->DlgInfos.hwndFileName, PathFindFileNameW(lpstrPathAndFile));
#else
if (! *ext && fodInfos->defext)
{
/* if no extension is specified with file name, then */
@ -3058,6 +3154,7 @@ BOOL FILEDLG95_OnOpen(HWND hwnd)
else
fodInfos->ofnInfos->Flags |= OFN_EXTENSIONDIFFERENT;
}
#endif
/* In Save dialog: check if the file already exists */
if (fodInfos->DlgInfos.dwDlgProp & FODPROP_SAVEDLG