[Bug c/42799] Variable unexpectedly set to 0 because a scanf()
--- Comment #2 from adriyetichaves at gmail dot com 2010-01-19 10:04 --- Same code compiled in other compiler (Turbo C++) works. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42799
[Bug c/42799] Variable unexpectedly set to 0 because a scanf()
--- Comment #3 from jakub at gcc dot gnu dot org 2010-01-19 10:21 --- This is undefined behavior, scanf is writing int value into an unsigned short variable, so it of course can overwrite whatever happens to be adjacent to that var on the stack. Use %hd instead of %d to write to