18 #define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
19 #define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
20 #define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
21 #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
22 #define DO16(buf) DO8(buf,0); DO8(buf,8);
28 if (a >= (BASE << 16)) a -= (BASE << 16); \
29 if (a >= (BASE << 15)) a -= (BASE << 15); \
30 if (a >= (BASE << 14)) a -= (BASE << 14); \
31 if (a >= (BASE << 13)) a -= (BASE << 13); \
32 if (a >= (BASE << 12)) a -= (BASE << 12); \
33 if (a >= (BASE << 11)) a -= (BASE << 11); \
34 if (a >= (BASE << 10)) a -= (BASE << 10); \
35 if (a >= (BASE << 9)) a -= (BASE << 9); \
36 if (a >= (BASE << 8)) a -= (BASE << 8); \
37 if (a >= (BASE << 7)) a -= (BASE << 7); \
38 if (a >= (BASE << 6)) a -= (BASE << 6); \
39 if (a >= (BASE << 5)) a -= (BASE << 5); \
40 if (a >= (BASE << 4)) a -= (BASE << 4); \
41 if (a >= (BASE << 3)) a -= (BASE << 3); \
42 if (a >= (BASE << 2)) a -= (BASE << 2); \
43 if (a >= (BASE << 1)) a -= (BASE << 1); \
44 if (a >= BASE) a -= BASE; \
48 if (a >= (BASE << 4)) a -= (BASE << 4); \
49 if (a >= (BASE << 3)) a -= (BASE << 3); \
50 if (a >= (BASE << 2)) a -= (BASE << 2); \
51 if (a >= (BASE << 1)) a -= (BASE << 1); \
52 if (a >= BASE) a -= BASE; \
55 # define MOD(a) a %= BASE
56 # define MOD4(a) a %= BASE
69 sum2 = (adler >> 16) & 0xffff;
80 return adler | (sum2 << 16);
96 return adler | (sum2 << 16);
100 while (len >=
NMAX) {
127 return adler | (sum2 << 16);
141 rem = (unsigned)(len2 %
BASE);
142 sum1 = adler1 & 0xffff;
145 sum1 += (adler2 & 0xffff) + BASE - 1;
146 sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
147 if (sum1 >= BASE) sum1 -=
BASE;
148 if (sum1 >= BASE) sum1 -=
BASE;
149 if (sum2 >= (BASE << 1)) sum2 -= (BASE << 1);
150 if (sum2 >= BASE) sum2 -=
BASE;
151 return sum1 | (sum2 << 16);
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2)
uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2)
uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2)
GLenum GLuint GLsizei const GLchar * buf
uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len)