nsresult
nsCommandParams::GetOrMakeEntry(const char * name, PRUint8 entryType, HashEntry*& outEntry)
{
HashEntry *foundEntry = (HashEntry *)PL_DHashTableOperate(&mValuesHash, (void *)name, PL_DHASH_LOOKUP);
if (PL_DHASH_ENTRY_IS_BUSY(foundEntry)) // reuse existing entry
{
foundEntry->Reset(entryType);
foundEntry->mEntryName.Assign(name);
outEntry = foundEntry;
return NS_OK;
}
foundEntry = (HashEntry *)PL_DHashTableOperate(&mValuesHash, (void *)name, PL_DHASH_ADD);
if (!foundEntry) return NS_ERROR_OUT_OF_MEMORY;
// placement new that sucker. Our ctor does not clobber keyHash, which is important.
outEntry = new (foundEntry) HashEntry(entryType, name);
return NS_OK;
}
nsCommandParams::HashEntry*
nsCommandParams::GetOrMakeEntry(const char* aName, uint8_t entryType)
{
HashEntry *foundEntry =
(HashEntry *)PL_DHashTableSearch(&mValuesHash, (void *)aName);
if (foundEntry) { // reuse existing entry
foundEntry->Reset(entryType);
return foundEntry;
}
foundEntry = static_cast<HashEntry*>
(PL_DHashTableAdd(&mValuesHash, (void *)aName, fallible));
if (!foundEntry) {
return nullptr;
}
// Use placement new. Our ctor does not clobber keyHash, which is important.
new (foundEntry) HashEntry(entryType, aName);
return foundEntry;
}
