98 #define DO1(buf,i)  {adler += (buf)[i]; sum2 += adler;}
112   unsigned long sum2;  in adler32()  local
116   sum2 = (adler >> 16) & 0xffff;  in adler32()
124     sum2 += adler;  in adler32()
125     if (sum2 >= BASE)  in adler32()
126       sum2 -= BASE;  in adler32()
127     return adler | (sum2 << 16);  in adler32()
138       sum2 += adler;  in adler32()
142     MOD28(sum2);            /* only added so many BASE's */  in adler32()
143     return adler | (sum2 << 16);  in adler32()
155     MOD(sum2);  in adler32()
167       sum2 += adler;  in adler32()
170     MOD(sum2);  in adler32()
174   return adler | (sum2 << 16);  in adler32()