Method CopyString

extensions/sqlite/driver/SqResults.cpp:268–333

}

DBResult SqResults::CopyString(unsigned int columnId, char *buffer, size_t maxlength, size_t *written)
{
	SqField *field = GetField(columnId);
	if (!field)
	{
		return DBVal_Error;
	}

	DBResult res = DBVal_Data;
	if (field->type == SQLITE_TEXT || field->type == SQLITE_BLOB)
	{
		const char *ptr = m_Strings.GetString(field->u.idx);
		if (!ptr)
		{
			ptr = "";
			field->type = SQLITE_TEXT;
			res = DBVal_Null;
		}
		size_t wr = 0;
		if (field->type == SQLITE_TEXT)
		{
			wr = strncopy(buffer, ptr, maxlength);
		} else if (field->type == SQLITE_BLOB) {
			wr = (maxlength < field->size) ? maxlength : field->size;
			memcpy(buffer, ptr, wr);
		}
		if (written)
		{
			*written = wr;
		}
		return res;
	} else if (field->type == SQLITE_INTEGER) {
		size_t wr = 0;
		if (buffer)
		{
			wr = UTIL_Format(buffer, maxlength, "%d", field->u.idx);
		}
		if (written)
		{
			*written = wr;
		}
		return DBVal_Data;
	} else if (field->type == SQLITE_FLOAT) {
		size_t wr = 0;
		if (buffer)
		{
			wr = UTIL_Format(buffer, maxlength, "%f", field->u.f);
		}
		if (written)
		{
			*written = wr;
		}
		return DBVal_Data;
	}

	if (buffer)
	{
		strncopy(buffer, "", maxlength);