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[SHIMGVW]

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Dynamically allocate the string for the file-type box. Patch by Ricardo Hanke.
CORE-7702 #resolve

svn path=/trunk/; revision=65602
This commit is contained in:
Ziliang Guo 2014-12-10 21:27:18 +00:00
parent 5e1a81a596
commit e6979b9c26
1 changed files with 32 additions and 13 deletions
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45
reactos/dll/win32/shimgvw/shimgvw.c
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@ -76,7 +76,7 @@ static void pSaveImageAs(HWND hwnd)
OPENFILENAMEW sfn;
ImageCodecInfo *codecInfo;
WCHAR szSaveFileName[MAX_PATH];
WCHAR szFilterMask[2048];
WCHAR *szFilterMask;
GUID rawFormat;
UINT num;
UINT size;
@ -84,17 +84,6 @@ static void pSaveImageAs(HWND hwnd)
UINT j;
WCHAR *c;
ZeroMemory(szSaveFileName, sizeof(szSaveFileName));
ZeroMemory(szFilterMask, sizeof(szFilterMask));
ZeroMemory(&sfn, sizeof(sfn));
sfn.lStructSize = sizeof(sfn);
sfn.hwndOwner = hwnd;
sfn.hInstance = hInstance;
sfn.lpstrFile = szSaveFileName;
sfn.lpstrFilter = szFilterMask;
sfn.nMaxFile = MAX_PATH;
sfn.Flags = OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
GdipGetImageEncodersSize(&num, &size);
codecInfo = malloc(size);
if (!codecInfo)
@ -106,7 +95,36 @@ static void pSaveImageAs(HWND hwnd)
GdipGetImageEncoders(num, size, codecInfo);
GdipGetImageRawFormat(image, &rawFormat);
sizeRemain = sizeof(szFilterMask);
sizeRemain = 0;
for (j = 0; j < num; ++j)
{
// Every pair needs space for the Description, twice the Extensions, 1 char for the space, 2 for the braces and 2 for the NULL terminators.
sizeRemain = sizeRemain + (((wcslen(codecInfo[j].FormatDescription) + (wcslen(codecInfo[j].FilenameExtension) * 2) + 5) * sizeof(WCHAR)));
}
/* Add two more chars for the last terminator */
sizeRemain = sizeRemain + (sizeof(WCHAR) * 2);
szFilterMask = malloc(sizeRemain);
if (!szFilterMask)
{
DPRINT1("cannot allocate memory for filter mask in pSaveImageAs()");
free(codecInfo);
return;
}
ZeroMemory(szSaveFileName, sizeof(szSaveFileName));
ZeroMemory(szFilterMask, sizeRemain);
ZeroMemory(&sfn, sizeof(sfn));
sfn.lStructSize = sizeof(sfn);
sfn.hwndOwner = hwnd;
sfn.hInstance = hInstance;
sfn.lpstrFile = szSaveFileName;
sfn.lpstrFilter = szFilterMask;
sfn.nMaxFile = MAX_PATH;
sfn.Flags = OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
c = szFilterMask;
for (j = 0; j < num; ++j)
@ -137,6 +155,7 @@ static void pSaveImageAs(HWND hwnd)
}
}
free(szFilterMask);
free(codecInfo);
}