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Fix recursion counter check. Add control to override depth of nested … (#4953)

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* Fix recursion counter check. Add control to override depth of nested objects.

* Change if-condition to `>=`
This commit is contained in:
Vladimir Glavnyy
2018-10-04 23:27:37 +07:00
committed by Wouter van Oortmerssen
parent c0698cc33f
commit 925c1d77fc
5 changed files with 38 additions and 5 deletions
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docs/source/CppUsage.md
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@@ -495,4 +495,13 @@ needed to use unions.
To use scalars, simply wrap them in a struct.
## Depth limit of nested objects and stack-overflow control
The parser of Flatbuffers schema or json-files is kind of recursive parser.
To avoid stack-overflow problem the parser has a built-in limiter of recursion depth.
Number of nested declarations in a schema or number of nested json-objects is limited.
By default, this depth limit set to `64`.
It is possible to override this limit with `FLATBUFFERS_MAX_PARSING_DEPTH` definition.
This definition can be helpful for testing purposes or embedded applications.
For details see [build](@ref flatbuffers_guide_building) of CMake-based projects.
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