When to address integer overflow in C

Posted by Yktula on Stack Overflow See other posts from Stack Overflow or by Yktula
Published on 2010-04-25T18:44:43Z Indexed on 2010/04/25 19:13 UTC
Read the original article Hit count: 468

Filed under:

best-practices

|

c

In C code, should integer overflow be addressed whenever integers are added? It seems like pointers and array indexes should be checked at all. When should integer overflow be checked for?

When numbers are added in C without type explicitly mentioned, or printed with printf, when will overflow occur?

Is there a way to automatically detect when an integer arithmetic overflow?

Related posts about best-practices

Batch Best Practices and Technical Best Practices Updated

as seen on Oracle Blogs - Search for 'Oracle Blogs'
The Batch Best Practices for Oracle Utilities Application Framework based products (Doc Id: 836362.1) and Technical Best Practices for Oracle Utilities Application Framework Based Products (Doc Id: 560367.1) have been updated with updated and new advice for the various versions of the Oracle… >>> More
Partial template specialization of free functions - best practices

as seen on Stack Overflow - Search for 'Stack Overflow'
As most C++ programmers should know, partial template specialization of free functions is disallowed. For example, the following is illegal C++: template <class T, int N> T mul(const T& x) { return x * N; } template <class T> T mul<T, 0>(const T& x) { return T(0); } //… >>> More
Object Oriented PHP Best Practices

as seen on Stack Overflow - Search for 'Stack Overflow'
Say I have a class which represents a person, a variable within that class would be $name. Previously, In my scripts I would create an instance of the object then set the name by just using: $object->name = "x"; However, I was told this was not best practice? That I should have a function set_name()… >>> More
Good place to look for example Database Designs - Best practices

as seen on Stack Overflow - Search for 'Stack Overflow'
I have been given the task to design a database to store a lot of information for our company. Because the task is rather big and contains multiple modules where users should be able to do stuff, I'm worried about designing a good data model for this. I just don't want to end up with a badly designed… >>> More
Notification Email Best Practices--From Server Setup to Programming

as seen on Stack Overflow - Search for 'Stack Overflow'
All, I'm in the process now of building a SaaS tool that allows network admins to generate notification emails to the members of the end-users of our platform (among many many other things). I'm running into a bit of an "out of my expertise" wall, as I know there are a lot of variables involved… >>> More

Developer IT

When to address integer overflow in C - Developer IT

When to address integer overflow in C

best-practices

c

Related posts about best-practices

Batch Best Practices and Technical Best Practices Updated

Partial template specialization of free functions - best practices

Object Oriented PHP Best Practices

Good place to look for example Database Designs - Best practices

Notification Email Best Practices--From Server Setup to Programming

Related posts about c

Categories cloud