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Check GlobalAlloc() return value in set_win32_clipboard_bitmap()

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This commit is contained in:
David Capello 2015-12-07 17:29:22 -03:00
parent 562106c6f0
commit 44258a8442
1 changed files with 22 additions and 12 deletions
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34
src/app/util/clipboard_win32.h
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@ -95,18 +95,22 @@ static void set_win32_clipboard_bitmap(const Image* image, const Mask* mask, Pal
if (mask) doc::write_mask(os, mask);
if (palette) doc::write_palette(os, palette);
size_t size = (size_t)os.tellp();
HGLOBAL hmem = GlobalAlloc(GHND, size+4);
char* p = (char*)GlobalLock(hmem);
*((uint32_t*)p) = size;
os.seekp(0);
os.read(p+4, size);
GlobalUnlock(hmem);
SetClipboardData(custom_clipboard_format, hmem);
GlobalFree(hmem);
if (os.good()) {
size_t size = (size_t)os.tellp();
HGLOBAL hmem = GlobalAlloc(GHND, size+4);
if (hmem) {
char* p = (char*)GlobalLock(hmem);
if (p) {
*((uint32_t*)p) = size;
os.seekp(0);
os.read(p+4, size);
}
GlobalUnlock(hmem);
if (p)
SetClipboardData(custom_clipboard_format, hmem);
GlobalFree(hmem);
}
}
}
// information to create the memory necessary for the bitmap
@ -141,6 +145,12 @@ static void set_win32_clipboard_bitmap(const Image* image, const Mask* mask, Pal
sizeof(BITMAPV5HEADER)
+ palette_entries*sizeof(RGBQUAD)
+ scanline*image->height());
if (!hmem) {
// TODO cannot copy exception
CloseClipboard();
return;
}
BITMAPV5HEADER* bi = (BITMAPV5HEADER*)GlobalLock(hmem);
bi->bV5Size = sizeof(BITMAPV5HEADER);