[analyzer] Eliminate "byte string function" from CStringChecker's diagnostics, and make it easier to provide custom messages for overflow checking, in preparation for re-enabling strncpy checking.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133406 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed