String literals, ASCII vs UTF-8

Noel Grandin noel at
Wed Feb 29 05:51:45 PST 2012

I would expect that filters should be validating their inputs.
By the time that we get a bad_alloc, it's too late to recover properly.
Unless we're talking about someday running filters in a separate 
process, and then validating the document they generate, in which case 
the main process would remain safe.

On 2012-02-29 15:48, Eike Rathke wrote:
> Hi Stephan,
> On Wednesday, 2012-02-29 08:42:35 +0100, Stephan Bergmann wrote:
>> However, there are also situations where bad input (malicious or
>> otherwise) would cause an application to request excessive amounts
>> of memory to do a single task (e.g., open a document), and at least
>> in theory the application should be able to cope with such
>> externally-induced OOM conditions, by abandoning the bad operation,
>> cleaning up after it, telling the user the operation failed, and
>> carrying on.
> I think catching std::bad_alloc and returning an error should be
> possible in most filter code based on SfxObjectShell / SfxMedium.
>    Eike
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