1590 static unsigned hash_init(Hash * hash, unsigned windowsize)  in hash_init()  argument
1594     hash->val = (int *)lodepng_malloc(sizeof(int) * windowsize);  in hash_init()
1595     hash->chain = (unsigned short *)lodepng_malloc(sizeof(unsigned short) * windowsize);  in hash_init()
1597     hash->zeros = (unsigned short *)lodepng_malloc(sizeof(unsigned short) * windowsize);  in hash_init()
1599     hash->chainz = (unsigned short *)lodepng_malloc(sizeof(unsigned short) * windowsize);  in hash_init()
1607     for(i = 0; i != windowsize; ++i) hash->val[i] = -1;  in hash_init()
1608 …for(i = 0; i != windowsize; ++i) hash->chain[i] = i; /*same value as index indicates uninitialized…  in hash_init()
1611 …for(i = 0; i != windowsize; ++i) hash->chainz[i] = i; /*same value as index indicates uninitialize…  in hash_init()
1683 …                        const unsigned char * in, size_t inpos, size_t insize, unsigned windowsize,  in encodeLZ77()  argument
1689     unsigned maxchainlength = windowsize >= 8192 ? windowsize : windowsize / 8u;  in encodeLZ77()
1690     unsigned maxlazymatch = windowsize >= 8192 ? MAX_SUPPORTED_DEFLATE_LENGTH : 64;  in encodeLZ77()
1705 …if(windowsize == 0 || windowsize > 32768) return 60; /*error: windowsize smaller/larger than allow…  in encodeLZ77()
1706     if((windowsize & (windowsize - 1)) != 0) return 90; /*error: must be power of two*/  in encodeLZ77()
1711         size_t wpos = pos & (windowsize - 1); /*position for in 'circular' hash buffers*/  in encodeLZ77()
1738 …       current_offset = (unsigned)(hashpos <= wpos ? wpos - hashpos : wpos - hashpos + windowsize);  in encodeLZ77()
1806 … if(length >= 3 && offset > windowsize) ERROR_BREAK(86 /*too big (or overflown negative) offset*/);  in encodeLZ77()
1821                 wpos = pos & (windowsize - 1);  in encodeLZ77()
1967             error = encodeLZ77(&lz77_encoded, hash, data, datapos, dataend, settings->windowsize,  in deflateDynamic()
2159             error = encodeLZ77(&lz77_encoded, hash, data, datapos, dataend, settings->windowsize,  in deflateFixed()
2203     error = hash_init(&hash, settings->windowsize);  in lodepng_deflatev()
2459     settings->windowsize = DEFAULT_WINDOWSIZE;  in lodepng_compress_settings_init()