Re: [Pyobjc-dev] Using C Datatypes

[Jan-Hendrik H. <j-h...@tu...>]

Hi Ronald,

Ronald Oussoren schrieb:
> - how does it not work?
> - and on which os-release?

I am using the Iphone, this might be the problem.

This is my code:

self.stream=NSOutputStream.alloc().initToFileAtPath_append_(self.pathToFile,YES)
self.stream.open()

Works great so far. Empty file is created.

stream.write_maxLength_("test",4)
App crashes here

> - which version of pyobjc are you using?

1946-3

Jan

> Ronald
> 
> 
> 
> On 9 okt 2009, at 20:04, Jan-Hendrik Hanne <j-h...@tu...> wrote:
> 
>> Hi!
>>
>> Ronald Oussoren wrote:
>>> On Friday, October 09, 2009, at 04:53PM, "Jan-Hendrik Hanne" 
>>> <j-h...@tu...> wrote:
>>>> Hi!
>>>>
>>>> Maybe this question was answered before, but I couldn't find it in 
>>>> the archive.
>>>> How can I use C data types in Python?
>>>> Concrete: I want to use
>>>> - (NSInteger)write:(const uint8_t *)buffer maxLength:(NSUInteger)length
>>>> of the NSOutputStream class.
>>>> How can I create the buffer?
>>> The buffer should be a python string, or another type that implements 
>>> the buffer protocol (an array.array of bytes should therefore also 
>>> work).
>>> That is:
>>>      aStream.write_maxLength_("hello world", 10)
>>
>> Thank you for your fast answer. Unfortunately, it doesn't work with a 
>> string. I decided to write the file in the python way. Hopefully it is 
>> fast enough.
>>
>> Jan
>>
>>> Ronald
>>>> Thanks
>>>> Jan
>>>>
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> 

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