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Bug 347752 - Crash [@ MSVCR80.dll] when using nsIProperties service get method with null argumentp=Alfred Kayser <alfredkayser@nl.ibm.com>r=darin, sr=dougt

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This commit is contained in:
asqueella@gmail.com 2007-05-13 09:48:39 -07:00
parent cb574d2844
commit 4f83fa46f3
2 changed files with 20 additions and 2 deletions
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14
xpcom/ds/nsProperties.cpp
View File

@ -49,6 +49,8 @@ NS_INTERFACE_MAP_END
NS_IMETHODIMP
nsProperties::Get(const char* prop, const nsIID & uuid, void* *result)
{
NS_ENSURE_ARG(prop);
nsCOMPtr<nsISupports> value;
if (!nsProperties_HashBase::Get(prop, getter_AddRefs(value))) {
return NS_ERROR_FAILURE;
@ -59,12 +61,16 @@ nsProperties::Get(const char* prop, const nsIID & uuid, void* *result)
NS_IMETHODIMP
nsProperties::Set(const char* prop, nsISupports* value)
{
NS_ENSURE_ARG(prop);
return Put(prop, value) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsProperties::Undefine(const char* prop)
{
NS_ENSURE_ARG(prop);
nsCOMPtr<nsISupports> value;
if (!nsProperties_HashBase::Get(prop, getter_AddRefs(value)))
return NS_ERROR_FAILURE;
@ -76,6 +82,8 @@ nsProperties::Undefine(const char* prop)
NS_IMETHODIMP
nsProperties::Has(const char* prop, PRBool *result)
{
NS_ENSURE_ARG(prop);
nsCOMPtr<nsISupports> value;
*result = nsProperties_HashBase::Get(prop,
getter_AddRefs(value));
@ -108,10 +116,12 @@ GetKeysEnumerate(const char *key, nsISupports* data,
NS_IMETHODIMP
nsProperties::GetKeys(PRUint32 *count, char ***keys)
{
NS_ENSURE_ARG(count);
NS_ENSURE_ARG(keys);
PRUint32 n = Count();
char ** k = (char **) nsMemory::Alloc(n * sizeof(char *));
if (!k)
return NS_ERROR_OUT_OF_MEMORY;
NS_ENSURE_TRUE(k, NS_ERROR_OUT_OF_MEMORY);
GetKeysEnumData gked;
gked.keys = k;

8
xpcom/io/nsDirectoryService.cpp
View File

@ -530,6 +530,8 @@ NS_IMPL_THREADSAFE_ISUPPORTS4(nsDirectoryService, nsIProperties, nsIDirectorySer
NS_IMETHODIMP
nsDirectoryService::Undefine(const char* prop)
{
NS_ENSURE_ARG(prop);
nsCStringKey key(prop);
if (!mHashtable.Exists(&key))
return NS_ERROR_FAILURE;
@ -608,6 +610,8 @@ static PRBool FindProviderFile(nsISupports* aElement, void *aData)
NS_IMETHODIMP
nsDirectoryService::Get(const char* prop, const nsIID & uuid, void* *result)
{
NS_ENSURE_ARG(prop);
nsCStringKey key(prop);
nsCOMPtr<nsISupports> value = dont_AddRef(mHashtable.Get(&key));
@ -656,6 +660,8 @@ nsDirectoryService::Get(const char* prop, const nsIID & uuid, void* *result)
NS_IMETHODIMP
nsDirectoryService::Set(const char* prop, nsISupports* value)
{
NS_ENSURE_ARG(prop);
nsCStringKey key(prop);
if (mHashtable.Exists(&key) || value == nsnull)
return NS_ERROR_FAILURE;
@ -677,6 +683,8 @@ nsDirectoryService::Set(const char* prop, nsISupports* value)
NS_IMETHODIMP
nsDirectoryService::Has(const char *prop, PRBool *_retval)
{
NS_ENSURE_ARG(prop);
*_retval = PR_FALSE;
nsCOMPtr<nsIFile> value;
nsresult rv = Get(prop, NS_GET_IID(nsIFile), getter_AddRefs(value));