Hello! I am wondering some details about HTTP/2 Huffman.
There is a statement ( http://hg.nginx.org/nginx/file/tip/src/http/v2/ngx_http_v2_huff_encode.c#l238 ) buf |= (ngx_uint_t) –1 >> pending; I am confused about this statement, why should we set the low bits of but to 1 (sizeof(buf) - pending). On the other hand, i am interested in the the generation about the huffman decode table ( http://hg.nginx.org/nginx/file/tip/src/http/v2/ngx_http_v2_huff_decode.c#l25 ), is this really a Huffman tree, which takes 4bits each time?
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