4960     size_t linebytes = lodepng_get_raw_size_idat(w, 1, bpp) - 1u;  in unfilter()  local
4963         size_t outindex = linebytes * y;  in unfilter()
4964         size_t inindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/  in unfilter()
4967 …RN(unfilterScanline(&out[outindex], &in[inindex + 1], prevline, bytewidth, filterType, linebytes));  in unfilter()
6419     size_t linebytes = lodepng_get_raw_size_idat(w, 1, bpp) - 1u;  in filter()  local
6449             size_t outindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/  in filter()
6450             size_t inindex = linebytes * y;  in filter()
6452             filterScanline(&out[outindex + 1], &in[inindex], prevline, linebytes, bytewidth, type);  in filter()
6463             attempt[type] = (unsigned char *)lodepng_malloc(linebytes);  in filter()
6472 …           filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type);  in filter()
6476                         for(x = 0; x != linebytes; ++x) sum += (unsigned char)(attempt[type][x]);  in filter()
6479                         for(x = 0; x != linebytes; ++x) {  in filter()
6495                 prevline = &in[y * linebytes];  in filter()
6498 …      out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/  in filter()
6499 …           for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x];  in filter()
6512             attempt[type] = (unsigned char *)lodepng_malloc(linebytes);  in filter()
6521 …           filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type);  in filter()
6523                     for(x = 0; x != linebytes; ++x) ++count[attempt[type][x]];  in filter()
6535                 prevline = &in[y * linebytes];  in filter()
6538 …      out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/  in filter()
6539 …           for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x];  in filter()
6547             size_t outindex = (1 + linebytes) * y; /*the extra filterbyte added to each row*/  in filter()
6548             size_t inindex = linebytes * y;  in filter()
6551             filterScanline(&out[outindex + 1], &in[inindex], prevline, linebytes, bytewidth, type);  in filter()
6576             attempt[type] = (unsigned char *)lodepng_malloc(linebytes);  in filter()
6582                     unsigned testsize = (unsigned)linebytes;  in filter()
6585 …           filterScanline(attempt[type], &in[y * linebytes], prevline, linebytes, bytewidth, type);  in filter()
6596                 prevline = &in[y * linebytes];  in filter()
6597 …      out[y * (linebytes + 1)] = bestType; /*the first byte of a scanline will be the filter type*/  in filter()
6598 …           for(x = 0; x != linebytes; ++x) out[y * (linebytes + 1) + 1 + x] = attempt[bestType][x];  in filter()