ZSTD_decodingBufferSize_min - Linux

Symbol: ZSTD_decodingBufferSize_min

include/linux/zstd_lib.h

ZSTDLIB_STATIC_API size_t ZSTD_decodingBufferSize_min(unsigned long long windowSize, unsigned long long frameContentSize);  /*< when frame content size is not known, pass in frameContentSize == ZSTD_CONTENTSIZE_UNKNOWN */

lib/zstd/decompress/zstd_decompress.c

size_t const outBuffSize = ZSTD_decodingBufferSize_min(windowSize, ZSTD_CONTENTSIZE_UNKNOWN);