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shell32: Handle NULL return icon parameters in SHDefExtractIcon.

This commit is contained in:
Vincent Povirk 2009-05-15 15:16:35 -05:00 committed by Alexandre Julliard
parent 5a28d37fe6
commit e083dc831c
2 changed files with 40 additions and 2 deletions
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10
dlls/shell32/iconcache.c
View File

@ -817,8 +817,14 @@ HRESULT WINAPI SHDefExtractIconW(LPCWSTR pszIconFile, int iIndex, UINT uFlags,
if (ret == 0xFFFFFFFF)
return E_FAIL;
if (ret > 0) {
*phiconLarge = hIcons[0];
*phiconSmall = hIcons[1];
if (phiconLarge)
*phiconLarge = hIcons[0];
else
DestroyIcon(hIcons[0]);
if (phiconSmall)
*phiconSmall = hIcons[1];
else
DestroyIcon(hIcons[1]);
return S_OK;
}
return S_FALSE;

32
dlls/shell32/tests/shelllink.c
View File

@ -40,10 +40,12 @@
typedef void (WINAPI *fnILFree)(LPITEMIDLIST);
typedef BOOL (WINAPI *fnILIsEqual)(LPCITEMIDLIST, LPCITEMIDLIST);
typedef HRESULT (WINAPI *fnSHILCreateFromPath)(LPCWSTR, LPITEMIDLIST *,DWORD*);
typedef HRESULT (WINAPI *fnSHDefExtractIconA)(LPCSTR, int, UINT, HICON*, HICON*, UINT);
static fnILFree pILFree;
static fnILIsEqual pILIsEqual;
static fnSHILCreateFromPath pSHILCreateFromPath;
static fnSHDefExtractIconA pSHDefExtractIconA;
static DWORD (WINAPI *pGetLongPathNameA)(LPCSTR, LPSTR, DWORD);
@ -708,6 +710,34 @@ static void test_datalink(void)
IShellLinkW_Release( sl );
}
static void test_shdefextracticon(void)
{
HICON hiconlarge=NULL, hiconsmall=NULL;
HRESULT res;
if (!pSHDefExtractIconA)
{
win_skip("SHDefExtractIconA is unavailable\n");
return;
}
res = pSHDefExtractIconA("shell32.dll", 0, 0, &hiconlarge, &hiconsmall, MAKELONG(16,24));
ok(SUCCEEDED(res), "SHDefExtractIconA failed, res=%x\n", res);
ok(hiconlarge != NULL, "got null hiconlarge\n");
ok(hiconsmall != NULL, "got null hiconsmall\n");
DestroyIcon(hiconlarge);
DestroyIcon(hiconsmall);
hiconsmall = NULL;
res = pSHDefExtractIconA("shell32.dll", 0, 0, NULL, &hiconsmall, MAKELONG(16,24));
ok(SUCCEEDED(res), "SHDefExtractIconA failed, res=%x\n", res);
ok(hiconsmall != NULL, "got null hiconsmall\n");
DestroyIcon(hiconsmall);
res = pSHDefExtractIconA("shell32.dll", 0, 0, NULL, NULL, MAKELONG(16,24));
ok(SUCCEEDED(res), "SHDefExtractIconA failed, res=%x\n", res);
}
START_TEST(shelllink)
{
HRESULT r;
@ -717,6 +747,7 @@ START_TEST(shelllink)
pILFree = (fnILFree) GetProcAddress(hmod, (LPSTR)155);
pILIsEqual = (fnILIsEqual) GetProcAddress(hmod, (LPSTR)21);
pSHILCreateFromPath = (fnSHILCreateFromPath) GetProcAddress(hmod, (LPSTR)28);
pSHDefExtractIconA = (fnSHDefExtractIconA) GetProcAddress(hmod, "SHDefExtractIconA");
pGetLongPathNameA = (void *)GetProcAddress(hkernel32, "GetLongPathNameA");
@ -728,6 +759,7 @@ START_TEST(shelllink)
test_get_set();
test_load_save();
test_datalink();
test_shdefextracticon();
CoUninitialize();
}