On Fri, Oct 5, 2012 at 12:05 AM, Eric Decker <cire...@gmail.com> wrote: > > I've cc'd the nesc god too. > > On Thu, Oct 4, 2012 at 5:27 AM, Flemming Nyboe <flemm...@rocketscience.eu> > wrote: >> >> Hello, >> >> After upgrading to msp430-gcc 4.6.3 (from cygwinports), I get warnings >> like >> >> RootC.nc:141:7: warning: pointer targets in passing argument 1 of >> ‘sprintf’ differ in signedness [-Wpointer-sign] >> /usr/lib/gcc/msp430/4.6.3/../../../../msp430/include/stdio.h:51:41: >> note: expected ‘char *’ but argument is of type ‘uint8_t *’ >> >> The argument to sprintf() in this case is in fact char*, and looking >> in app.c, I noticed that the reason is NesC 1.3.4 sometimes, but not >> always, represents char as uint8_t. > > > That's interesting. And seems weird. > > David? > >> >> >> I one application, when I declare >> 'char txt[2][128];', it becomes 'char SNC__txt[2][128];' in app.c >> In another, when I declare >> 'char txt[2][128];', it becomes 'uint8_t SNC__txt[2][128];' in app.c > > > that is strange. I think it should be consistent. > > I'd say the proper conversion would be char to char.
This all seems rather strange... I can't help much w/o an example file and ncc/nescc command line, though - could you provide those? David Gay > >> >> >> This raises two questions >> 1) What's up with the occasional char/uint8_t conversion in NesC > > > David? > >> >> 2) Since I did not get these warnings on my previous dated msp430-gcc >> 3.2.3, were they just disabled? > > > yes. 3.2.3 had lots of stuff disabled. It worked and was good for its > time. > > The newer toolchain is complaining correctly. > >> >> >> Regards >> Flemming Nyboe >> >> _______________________________________________ >> Tinyos-help mailing list >> Tinyos-help@millennium.berkeley.edu >> 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
