gnu.cfg: Add support for some built-in functions to check overflow#8449
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gagachang wants to merge 1 commit intocppcheck-opensource:mainfrom
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gnu.cfg: Add support for some built-in functions to check overflow#8449gagachang wants to merge 1 commit intocppcheck-opensource:mainfrom
gagachang wants to merge 1 commit intocppcheck-opensource:mainfrom
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danmar
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Apr 16, 2026
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please add some tests for each function here:
test/cfg/gnu.c
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I've added test cases. Please see if they are reasonable. |
danmar
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Apr 30, 2026
| <arg nr="2" direction="in"> | ||
| <not-uninit/> | ||
| </arg> | ||
| <arg nr="3" direction="out"> |
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@chrchr-github sorry.. could you say is this correct? or should there be an indirection?
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The pointer output arguments should have direction="out" indirect="1".
The by-value input arguments should be fine as-is.
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Reference: https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html