15 #define DO1(buf,i)  {adler += (buf)[i]; sum2 += adler;}
59     unsigned long sum2;  in adler32()  local
63     sum2 = (adler >> 16) & 0xffff;  in adler32()
71         sum2 += adler;  in adler32()
72         if (sum2 >= BASE)  in adler32()
73             sum2 -= BASE;  in adler32()
74         return adler | (sum2 << 16);  in adler32()
85             sum2 += adler;  in adler32()
89         MOD4(sum2);             /* only added so many BASE's */  in adler32()
90         return adler | (sum2 << 16);  in adler32()
102         MOD(sum2);  in adler32()
114             sum2 += adler;  in adler32()
117         MOD(sum2);  in adler32()
121     return adler | (sum2 << 16);  in adler32()