[libcxx-commits] [libcxx] [libc++][filesystem] Increase error message buffer size to prevent truncation (PR #203531)

[Sean Perry via libcxx-commits]

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perry-ca wrote:

The value in size is the number of bytes excluding the null byte.  The call to vsnprintf here will print size-1 characters into the buffer along with the null terminator.  This matches the behaviour you describe.

Should the new size actually be `size+1`?

https://github.com/llvm/llvm-project/pull/203531