On 2 November 2013 21:03, Cyd Haselton <chaselton@xxxxxxxxx> wrote: > On Sat, Nov 2, 2013 at 8:28 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: >> On 27 October 2013 23:36, Cyd Haselton wrote: >>> Android apparently doesn't support implicit conversion so had to do a >>> cast before the argument is passed. >> >> N.B. it's not "Android" that doesn't support conversion from long >> long* to long*, it's C++. > > Not sure what N.B. means... Did you try asking the web? http://en.wikipedia.org/wiki/Nota_bene > This is probably an obvious question but since I'm still working my > way through C I have to ask: If C++ does not support that conversion, > why is it in the code? And does C++ not support implicit conversion > from long long* to long* or explicit, or both? The code passes the address of the field st_size to a function taking off_t*. The relevant standard says st_size should be type off_t, so there is no conversion needed, and the code is correct.
