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Posts Tagged ‘initializing variables’

Making sure variables are initialized

March 18, 2010 5 comments

One source of program bugs is use of variables before they have been initialized. In C/C++ all static variables get zero-initialized if they have no specified initialization, so it is only local variables we need to worry about. Bugs caused by use of uninitialized local variables can be particularly nasty, because the value of such a variable depends on whatever previously occupied the same stack location. Read more…

Categories: C and C++ in critical systems Tags: