... done, pull request #393 Best regards Michael
On 04.01.2017 10:51, Eric Decker wrote: > > you can certainly ignore them but it would be better to fix them. > > the main development tree is at https://github.com/tinyos/tinyos-main > > fork it, work on a branch, and then submit a pull request and I'll take > a look at it. > > thanks for the attention to detail. > > > On Tue, Jan 3, 2017 at 11:45 PM, Michael Rink <michael.r...@imms.de > <mailto:michael.r...@imms.de>> wrote: > > Hi, > > when switching from avr-gcc 4.1.2 to 4.8.1 (avr8-gnu-toolchain > 3.4.5.1522 [1]) > some code compiles with "dereferencing type-punned pointer" warnings. > > For example, if one includes the SHT21 components, then one gets > something like > > tinyos-main/tos/chips/sht21/Sht21TempLogicP.nc: In function > 'Sht21TempLogicP__signalDone__runTask': > tinyos-main/tos/chips/sht21/Sht21TempLogicP.nc:165:9: warning: > dereferencing type-punned pointer will break strict-aliasing rules > [-Wstrict-aliasing] > oldTempData = *((nx_uint16_t*)buffer); > ^ > > > Can these warnings be ignored, or is it better to fix the corresponding > lines of code? > - e.g. analogously to > oldTempData = ((uint16_t)buffer[0] << 8) | buffer[1]; > > > Best regards > Michael > > [1] > http://distribute.atmel.no/tools/opensource/Atmel-AVR-GNU-Toolchain/3.4.5/ > > <http://distribute.atmel.no/tools/opensource/Atmel-AVR-GNU-Toolchain/3.4.5/> > _______________________________________________ > Tinyos-help mailing list > Tinyos-help@millennium.berkeley.edu > <mailto:Tinyos-help@millennium.berkeley.edu> > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > <https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> > > > > > -- > Eric B. Decker > Senior (over 50 :-) Researcher > _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help