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C++: Deprecate RecursionPrevention

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Jonas Jensen
2018-11-30 15:41:43 +01:00
parent 9532ee5177
commit 148c79a0e6
2 changed files with 6 additions and 0 deletions
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1
change-notes/1.19/analysis-cpp.md
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@@ -47,3 +47,4 @@
* The `Buffer.qll` library has more conservative treatment of arrays embedded in structs. This reduces false positives in a number of security queries, especially `cpp/overflow-buffer`.
* Pre-C99 encodings of _flexible array members_ are recognized more reliably.
* Arrays of zero size are now treated as a special case.
* The library `semmle.code.cpp.dataflow.RecursionPrevention` is now deprecated. It was an aid for transitioning data-flow queries from 1.16 to 1.17, and it no longer has any function. Imports of this library should simply be deleted.

5
cpp/ql/src/semmle/code/cpp/dataflow/RecursionPrevention.qll
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@@ -1,4 +1,9 @@
/**
* DEPRECATED: Recursion through `DataFlow::Configuration` is impossible in
* Semmle Core 1.17 and above. There is no need for this module because it's
* impossible to accidentally depend on recursion through
* `DataFlow::Configuration` in current releases.
*
* When this module is imported, recursive use of `DataFlow::Configuration` is
* disallowed. Importing this module will guarantee the absence of such
* recursion, which is unsupported and will be unconditionally disallowed in a