Wednesday, February 22, 2012

Fixing “Potential null dereference. According to coding standards in ‘Creating and Returning NSError Objects’ the parameter ‘error’ may be null” after running Analyzer

Real quick post- if you run static analyzer, Clang, etc and it’s giving you this issue, it’s an easy fix. The error references the documentation that you can look at: “Creating and Returning NSError Objects” -see section 3-5.

This is what the error will look like:

This is how you fix it:


Pretty simple just put an if statement around it to make sure error isn’t null already!

Just saw this:
http://stackoverflow.com/questions/1189518/clang-error-on-potential-null-dereference

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