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Update built-in zlib to 1.3.1

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This commit is contained in:
Nikolaj Schlej 2025-02-14 05:07:30 +01:00
parent 0af36bdcd9
commit dcf21fa50a
29 changed files with 13567 additions and 2568 deletions
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33
common/zlib/inffast.c Executable file → Normal file
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@ -47,10 +47,7 @@
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
void ZLIB_INTERNAL inflate_fast(strm, start)
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
struct inflate_state FAR *state;
z_const unsigned char FAR *in; /* local strm->next_in */
z_const unsigned char FAR *last; /* have enough input while in < last */
@ -70,7 +67,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
code here; /* retrieved table entry */
code const *here; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */
@ -107,20 +104,20 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = lcode[hold & lmask];
here = lcode + (hold & lmask);
dolen:
op = (unsigned)(here.bits);
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
op = (unsigned)(here->op);
if (op == 0) { /* literal */
Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here.val));
*out++ = (unsigned char)(here.val);
"inflate: literal 0x%02x\n", here->val));
*out++ = (unsigned char)(here->val);
}
else if (op & 16) { /* length base */
len = (unsigned)(here.val);
len = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
@ -138,14 +135,14 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = dcode[hold & dmask];
here = dcode + (hold & dmask);
dodist:
op = (unsigned)(here.bits);
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
op = (unsigned)(here->op);
if (op & 16) { /* distance base */
dist = (unsigned)(here.val);
dist = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (bits < op) {
hold += (unsigned long)(*in++) << bits;
@ -264,7 +261,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
here = dcode[here.val + (hold & ((1U << op) - 1))];
here = dcode + here->val + (hold & ((1U << op) - 1));
goto dodist;
}
else {
@ -274,7 +271,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
}
}
else if ((op & 64) == 0) { /* 2nd level length code */
here = lcode[here.val + (hold & ((1U << op) - 1))];
here = lcode + here->val + (hold & ((1U << op) - 1));
goto dolen;
}
else if (op & 32) { /* end-of-block */