[Python-Dev] Warn about mktemp once again?

Scott Dial scott+python-dev at scottdial.com
Tue Apr 29 08:05:49 CEST 2008

Greg Ewing wrote:
> skip at pobox.com wrote:
>> I'm not disagreeing with you, but it seems odd that os.fdopen doesn't 
>> simply
>> obey the mode of the file descriptor it receives as its argument
> I'm not even sure if it's possible to find out the mode
> that a file descriptor was opened with -- is it?

int mode = fcntl(fd, F_GETFL);
switch(mode) {
case O_RDONLY: ...
case O_WRONLY: ...
case O_RDWR: ...

> Certainly there's no way to tell whether you want it
> treated as binary, so at least that much of the mode
> needs to be specified.



Scott Dial
scott at scottdial.com
scodial at cs.indiana.edu

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