14 #define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
15 #define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
16 #define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
17 #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
18 #define DO16(buf) DO8(buf,0); DO8(buf,8);
27 unsigned long tmp = a >> 16; \
29 a += (tmp << 4) - tmp; \
34 if (a >= BASE) a -= BASE; \
43 z_off64_t tmp = a >> 32; \
45 a += (tmp << 8) - (tmp << 5) + tmp; \
48 a += (tmp << 4) - tmp; \
51 a += (tmp << 4) - tmp; \
52 if (a >= BASE) a -= BASE; \
55 # define MOD(a) a %= BASE
56 # define MOD28(a) a %= BASE
57 # define MOD63(a) a %= BASE
66 sum2 = (adler >> 16) & 0xffff;
77 return adler | (sum2 << 16);
93 return adler | (sum2 << 16);
124 return adler | (sum2 << 16);
144 rem = (unsigned)len2;
145 sum1 = adler1 & 0xffff;
148 sum1 += (adler2 & 0xffff) +
BASE - 1;
149 sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) +
BASE - rem;
152 if (sum2 >= ((
unsigned long)
BASE << 1)) sum2 -= ((
unsigned long)
BASE << 1);
154 return sum1 | (sum2 << 16);
uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len)
typedef long(ZCALLBACK *tell_file_func) OF((voidpf opaque
uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2)
uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len)
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2)
uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2)