[issue5008] Wrong tell() result for a file opened in append mode
Antoine Pitrou
report at bugs.python.org
Wed Jan 21 00:40:33 CET 2009
Antoine Pitrou <pitrou at free.fr> added the comment:
> I use the type "long" to store the lseek() result, because I don't
> know if off_t is available on all OS. Py_off_t may be used, but it's
> defined above (after fileio_init).
Instead of checking the return type, you can first set errno to 0, and
then check errno after the function returns.
> fileio_seekable() uses the
> type "int" for lseek() result, which looks worse than long :-)
Nice catch! http://bugs.python.org/issue5016
PS : about the patch, "0 < f.tell()" is really strange coding style...
"f.tell() > 0" looks much more consistent with the rest of the Python
code base
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<http://bugs.python.org/issue5008>
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