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[Library] Update zlibng (#1255)

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* Update zlibng

* Set cmake path more directly in zlibng to hopefully fix an issue with the build on drone

* I'm dumb, missing / in path

* Mackal helps with a dumb gitignore issue

* Adding all the files, not sure what's ignoring them and im tired of looking

* Some tweaks to zlibng build to hopefully get it to build properly. works on msvc now
This commit is contained in:
Alex
2021-02-23 17:00:26 -08:00
committed by GitHub
parent e6dee96266
commit 2957f5084d
184 changed files with 21431 additions and 11703 deletions
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libs/zlibng/adler32_p.h
+16 -40
View File
@@ -12,45 +12,11 @@
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
/* use NO_DIVIDE if your processor does not do division in hardware --
try it both ways to see which is faster */
#ifdef NO_DIVIDE
/* note that this assumes BASE is 65521, where 65536 % 65521 == 15
(thank you to John Reiser for pointing this out) */
# define CHOP(a) \
do { \
uint32_t tmp = a >> 16; \
a &= 0xffff; \
a += (tmp << 4) - tmp; \
} while (0)
# define MOD28(a) \
do { \
CHOP(a); \
if (a >= BASE) a -= BASE; \
} while (0)
# define MOD(a) \
do { \
CHOP(a); \
MOD28(a); \
} while (0)
# define MOD63(a) \
do { /* this assumes a is not negative */ \
z_off64_t tmp = a >> 32; \
a &= 0xffffffffL; \
a += (tmp << 8) - (tmp << 5) + tmp; \
tmp = a >> 16; \
a &= 0xffffL; \
a += (tmp << 4) - tmp; \
tmp = a >> 16; \
a &= 0xffffL; \
a += (tmp << 4) - tmp; \
if (a >= BASE) a -= BASE; \
} while (0)
#else
# define MOD(a) a %= BASE
# define MOD28(a) a %= BASE
# define MOD63(a) a %= BASE
#endif
#define DO1(sum1, sum2, buf, i) {(sum1) += buf[(i)]; (sum2) += (sum1);}
#define DO2(sum1, sum2, buf, i) {DO1(sum1, sum2, buf, i); DO1(sum1, sum2, buf, i+1);}
#define DO4(sum1, sum2, buf, i) {DO2(sum1, sum2, buf, i); DO2(sum1, sum2, buf, i+2);}
#define DO8(sum1, sum2, buf, i) {DO4(sum1, sum2, buf, i); DO4(sum1, sum2, buf, i+4);}
#define DO16(sum1, sum2, buf) {DO8(sum1, sum2, buf, 0); DO8(sum1, sum2, buf, 8);}
static inline uint32_t adler32_len_1(uint32_t adler, const unsigned char *buf, uint32_t sum2) {
adler += buf[0];
@@ -70,8 +36,18 @@ static inline uint32_t adler32_len_16(uint32_t adler, const unsigned char *buf,
}
if (adler >= BASE)
adler -= BASE;
MOD28(sum2); /* only added so many BASE's */
sum2 %= BASE; /* only added so many BASE's */
return adler | (sum2 << 16);
}
static inline uint32_t adler32_len_64(uint32_t adler, const unsigned char *buf, size_t len, uint32_t sum2) {
while (len >= 16) {
len -= 16;
DO16(adler, sum2, buf);
buf += 16;
}
/* Process tail (len < 16). */
return adler32_len_16(adler, buf, len, sum2);
}
#endif /* ADLER32_P_H */