411 static void LodePNGBitWriter_init(LodePNGBitWriter* writer, ucvector* data) {  in LodePNGBitWriter_init()  argument
412   writer->data = data;  in LodePNGBitWriter_init()
413   writer->bp = 0;  in LodePNGBitWriter_init()
417 #define WRITEBIT(writer, bit){\  argument
419   if(((writer->bp) & 7u) == 0) {\
420     if(!ucvector_resize(writer->data, writer->data->size + 1)) return;\
421     writer->data->data[writer->data->size - 1] = 0;\
423   (writer->data->data[writer->data->size - 1]) |= (bit << ((writer->bp) & 7u));\
424   ++writer->bp;\
428 static void writeBits(LodePNGBitWriter* writer, unsigned value, size_t nbits) {  in writeBits()  argument
430     WRITEBIT(writer, value);  in writeBits()
435       WRITEBIT(writer, (unsigned char)((value >> i) & 1));  in writeBits()
441 static void writeBitsReversed(LodePNGBitWriter* writer, unsigned value, size_t nbits) {  in writeBitsReversed()  argument
445     WRITEBIT(writer, (unsigned char)((value >> (nbits - 1u - i)) & 1u));  in writeBitsReversed()
1781 static void writeLZ77data(LodePNGBitWriter* writer, const uivector* lz77_encoded,  in writeLZ77data()  argument
1786     writeBitsReversed(writer, tree_ll->codes[val], tree_ll->lengths[val]);  in writeLZ77data()
1798       writeBits(writer, length_extra_bits, n_length_extra_bits);  in writeLZ77data()
1799       writeBitsReversed(writer, tree_d->codes[distance_code], tree_d->lengths[distance_code]);  in writeLZ77data()
1800       writeBits(writer, distance_extra_bits, n_distance_extra_bits);  in writeLZ77data()
1806 static unsigned deflateDynamic(LodePNGBitWriter* writer, Hash* hash,  in deflateDynamic()  argument
1977     writeBits(writer, BFINAL, 1);  in deflateDynamic()
1978     writeBits(writer, 0, 1); /*first bit of BTYPE "dynamic"*/  in deflateDynamic()
1979     writeBits(writer, 1, 1); /*second bit of BTYPE "dynamic"*/  in deflateDynamic()
1987     writeBits(writer, HLIT, 5);  in deflateDynamic()
1988     writeBits(writer, HDIST, 5);  in deflateDynamic()
1989     writeBits(writer, HCLEN, 4);  in deflateDynamic()
1992     for(i = 0; i != numcodes_cl; ++i) writeBits(writer, tree_cl.lengths[CLCL_ORDER[i]], 3);  in deflateDynamic()
1996       writeBitsReversed(writer, tree_cl.codes[bitlen_lld_e[i]], tree_cl.lengths[bitlen_lld_e[i]]);  in deflateDynamic()
1998       if(bitlen_lld_e[i] == 16) writeBits(writer, bitlen_lld_e[++i], 2);  in deflateDynamic()
1999       else if(bitlen_lld_e[i] == 17) writeBits(writer, bitlen_lld_e[++i], 3);  in deflateDynamic()
2000       else if(bitlen_lld_e[i] == 18) writeBits(writer, bitlen_lld_e[++i], 7);  in deflateDynamic()
2004     writeLZ77data(writer, &lz77_encoded, &tree_ll, &tree_d);  in deflateDynamic()
2009     writeBitsReversed(writer, tree_ll.codes[256], tree_ll.lengths[256]);  in deflateDynamic()
2028 static unsigned deflateFixed(LodePNGBitWriter* writer, Hash* hash,  in deflateFixed()  argument
2046     writeBits(writer, BFINAL, 1);  in deflateFixed()
2047     writeBits(writer, 1, 1); /*first bit of BTYPE*/  in deflateFixed()
2048     writeBits(writer, 0, 1); /*second bit of BTYPE*/  in deflateFixed()
2055       if(!error) writeLZ77data(writer, &lz77_encoded, &tree_ll, &tree_d);  in deflateFixed()
2059         writeBitsReversed(writer, tree_ll.codes[data[i]], tree_ll.lengths[data[i]]);  in deflateFixed()
2063     if(!error) writeBitsReversed(writer,tree_ll.codes[256], tree_ll.lengths[256]);  in deflateFixed()
2078   LodePNGBitWriter writer;  in lodepng_deflatev()  local
2080   LodePNGBitWriter_init(&writer, out);  in lodepng_deflatev()
2104 …    if(settings->btype == 1) error = deflateFixed(&writer, &hash, in, start, end, settings, final);  in lodepng_deflatev()
2105 …else if(settings->btype == 2) error = deflateDynamic(&writer, &hash, in, start, end, settings, fin…  in lodepng_deflatev()