Posts Tagged ‘null terminated string’

Reasoning about null-terminated strings in C/C++

February 23, 2010 Comments off

In my last post I described how ArC supports reasoning about array access, by allowing you to refer to the bounds of an array in a specification. If the code itself needs to know the size of an array, then the size is provided by other means, for example by passing it as an extra parameter. However, when using arrays of characters, standard practice in C is not to pass the number of elements, but to use a null character to indicate the end. Read more…