If zstd give you an error and you don't handle it, the next calls may cause UB, so it kinda does both things. https://github.com/facebook/zstd/blob/b16d193512d

If zstd give you an error and you don't handle it, the next calls may cause UB, so it kinda does both things. https://github.com/facebook/zstd/blob/b16d193512d3ded82fd584fa822c19ecf67b09a0/lib/zstd.h#L942 https://github.com/facebook/zstd/blob/b16d193512d3ded82fd584...