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- Fix a crash when an application hasnt defined a event label

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svn path=/trunk/; revision=43097
This commit is contained in:
Johannes Anderwald 2009-09-20 17:44:52 +00:00
parent 8694a0d2e3
commit a1aecae7e1
1 changed files with 21 additions and 5 deletions
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26
reactos/dll/cpl/mmsys/sounds.c
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@ -66,6 +66,8 @@ PLABEL_MAP FindLabel(PAPP_MAP pAppMap, TCHAR * szName)
while(pMap)
{
ASSERT(pMap);
ASSERT(pMap->szName);
if (!_tcscmp(pMap->szName, szName))
return pMap;
@ -77,6 +79,8 @@ PLABEL_MAP FindLabel(PAPP_MAP pAppMap, TCHAR * szName)
while(pMap)
{
ASSERT(pMap);
ASSERT(pMap->szName);
if (!_tcscmp(pMap->szName, szName))
return pMap;
@ -84,8 +88,21 @@ PLABEL_MAP FindLabel(PAPP_MAP pAppMap, TCHAR * szName)
}
pMap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LABEL_MAP));
if (!pMap)
return NULL;
return NULL;
pMap->szName = pMap->szDesc = _tcsdup(szName);
if (!pMap->szName)
{
HeapFree(GetProcessHeap(), 0, pMap);
return NULL;
}
pMap->AppMap = pAppMap;
pMap->Next = s_Map;
s_Map = pMap;
return pMap;
}
VOID RemoveLabel(PLABEL_MAP pMap)
@ -206,7 +223,7 @@ LoadEventLabel(HKEY hKey, TCHAR * szSubKey)
return FALSE;
}
pMap = HeapAlloc(GetProcessHeap(), 0, sizeof(LABEL_MAP));
pMap = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LABEL_MAP));
if (!pMap)
{
return FALSE;
@ -492,10 +509,9 @@ ImportSoundEntry(HWND hwndDlg, HKEY hKey, TCHAR * szLabelName, TCHAR * szAppName
{
return FALSE;
}
pLabel = FindLabel(pAppMap, szLabelName);
//MessageBox(hwndDlg, szLabelName, szAppName, MB_OK);
pLabel = FindLabel(NULL, szLabelName);
ASSERT(pLabel);
RemoveLabel(pLabel);
pLabel->AppMap = pAppMap;