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Commit 2db6cdcd by Edward Thomson
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zlib: updated bundled zlib to v1.2.12

parent d1001fd0
Showing with 124 additions and 104 deletions
deps/zlib/adler32.c
...@@ -177,3 +177,10 @@ uLong ZEXPORT adler32_combine(adler1, adler2, len2) ...@@ -177,3 +177,10 @@ uLong ZEXPORT adler32_combine(adler1, adler2, len2)
return adler32_combine_(adler1, adler2, len2); return adler32_combine_(adler1, adler2, len2);
} }
uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off64_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}
deps/zlib/crc32.h
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deps/zlib/deflate.h
/* deflate.h -- internal compression state /* deflate.h -- internal compression state
* Copyright (C) 1995-2016 Jean-loup Gailly * Copyright (C) 1995-2018 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -217,7 +217,7 @@ typedef struct internal_state { ...@@ -217,7 +217,7 @@ typedef struct internal_state {
/* Depth of each subtree used as tie breaker for trees of equal frequency /* Depth of each subtree used as tie breaker for trees of equal frequency
*/ */
uchf *l_buf; /* buffer for literals or lengths */ uchf *sym_buf; /* buffer for distances and literals/lengths */
uInt lit_bufsize; uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for /* Size of match buffer for literals/lengths. There are 4 reasons for
...@@ -239,13 +239,8 @@ typedef struct internal_state { ...@@ -239,13 +239,8 @@ typedef struct internal_state {
* - I can't count above 4 * - I can't count above 4
*/ */
uInt last_lit; /* running index in l_buf */ uInt sym_next; /* running index in sym_buf */
uInt sym_end; /* symbol table full when sym_next reaches this */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
ulg opt_len; /* bit length of current block with optimal trees */ ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */ ulg static_len; /* bit length of current block with static trees */
...@@ -325,20 +320,22 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, ...@@ -325,20 +320,22 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
# define _tr_tally_lit(s, c, flush) \ # define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \ { uch cc = (c); \
s->d_buf[s->last_lit] = 0; \ s->sym_buf[s->sym_next++] = 0; \
s->l_buf[s->last_lit++] = cc; \ s->sym_buf[s->sym_next++] = 0; \
s->sym_buf[s->sym_next++] = cc; \
s->dyn_ltree[cc].Freq++; \ s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \ flush = (s->sym_next == s->sym_end); \
} }
# define _tr_tally_dist(s, distance, length, flush) \ # define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (uch)(length); \ { uch len = (uch)(length); \
ush dist = (ush)(distance); \ ush dist = (ush)(distance); \
s->d_buf[s->last_lit] = dist; \ s->sym_buf[s->sym_next++] = dist; \
s->l_buf[s->last_lit++] = len; \ s->sym_buf[s->sym_next++] = dist >> 8; \
s->sym_buf[s->sym_next++] = len; \
dist--; \ dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \ s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \ flush = (s->sym_next == s->sym_end); \
} }
#else #else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) # define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
......
deps/zlib/gzguts.h
/* gzguts.h -- zlib internal header definitions for gz* operations /* gzguts.h -- zlib internal header definitions for gz* operations
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013, 2016 Mark Adler * Copyright (C) 2004-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -39,7 +39,7 @@ ...@@ -39,7 +39,7 @@
# include <io.h> # include <io.h>
#endif #endif
#if defined(_WIN32) || defined(__CYGWIN__) #if defined(_WIN32)
# define WIDECHAR # define WIDECHAR
#endif #endif
...@@ -190,6 +190,7 @@ typedef struct { ...@@ -190,6 +190,7 @@ typedef struct {
/* just for writing */ /* just for writing */
int level; /* compression level */ int level; /* compression level */
int strategy; /* compression strategy */ int strategy; /* compression strategy */
int reset; /* true if a reset is pending after a Z_FINISH */
/* seek request */ /* seek request */
z_off64_t skip; /* amount to skip (already rewound if backwards) */ z_off64_t skip; /* amount to skip (already rewound if backwards) */
int seek; /* true if seek request pending */ int seek; /* true if seek request pending */
......
deps/zlib/infback.c
/* infback.c -- inflate using a call-back interface /* infback.c -- inflate using a call-back interface
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -477,6 +477,7 @@ void FAR *out_desc; ...@@ -477,6 +477,7 @@ void FAR *out_desc;
} }
Tracev((stderr, "inflate: codes ok\n")); Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN; state->mode = LEN;
/* fallthrough */
case LEN: case LEN:
/* use inflate_fast() if we have enough input and output */ /* use inflate_fast() if we have enough input and output */
......
deps/zlib/inffast.c
...@@ -70,7 +70,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ ...@@ -70,7 +70,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
code const FAR *dcode; /* local strm->distcode */ code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */ unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance 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 */ unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */ /* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */ unsigned len; /* match length, unused bytes */
...@@ -107,20 +107,20 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ ...@@ -107,20 +107,20 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
bits += 8; bits += 8;
} }
here = lcode[hold & lmask]; here = lcode + (hold & lmask);
dolen: dolen:
op = (unsigned)(here.bits); op = (unsigned)(here->bits);
hold >>= op; hold >>= op;
bits -= op; bits -= op;
op = (unsigned)(here.op); op = (unsigned)(here->op);
if (op == 0) { /* literal */ 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 '%c'\n" :
"inflate: literal 0x%02x\n", here.val)); "inflate: literal 0x%02x\n", here->val));
*out++ = (unsigned char)(here.val); *out++ = (unsigned char)(here->val);
} }
else if (op & 16) { /* length base */ else if (op & 16) { /* length base */
len = (unsigned)(here.val); len = (unsigned)(here->val);
op &= 15; /* number of extra bits */ op &= 15; /* number of extra bits */
if (op) { if (op) {
if (bits < op) { if (bits < op) {
...@@ -138,14 +138,14 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ ...@@ -138,14 +138,14 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
bits += 8; bits += 8;
} }
here = dcode[hold & dmask]; here = dcode + (hold & dmask);
dodist: dodist:
op = (unsigned)(here.bits); op = (unsigned)(here->bits);
hold >>= op; hold >>= op;
bits -= op; bits -= op;
op = (unsigned)(here.op); op = (unsigned)(here->op);
if (op & 16) { /* distance base */ if (op & 16) { /* distance base */
dist = (unsigned)(here.val); dist = (unsigned)(here->val);
op &= 15; /* number of extra bits */ op &= 15; /* number of extra bits */
if (bits < op) { if (bits < op) {
hold += (unsigned long)(*in++) << bits; hold += (unsigned long)(*in++) << bits;
...@@ -264,7 +264,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ ...@@ -264,7 +264,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
} }
} }
else if ((op & 64) == 0) { /* 2nd level distance code */ 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; goto dodist;
} }
else { else {
...@@ -274,7 +274,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */ ...@@ -274,7 +274,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
} }
} }
else if ((op & 64) == 0) { /* 2nd level length code */ 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; goto dolen;
} }
else if (op & 32) { /* end-of-block */ else if (op & 32) { /* end-of-block */
......
deps/zlib/inflate.c
/* inflate.c -- zlib decompression /* inflate.c -- zlib decompression
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -130,6 +130,7 @@ z_streamp strm; ...@@ -130,6 +130,7 @@ z_streamp strm;
state->mode = HEAD; state->mode = HEAD;
state->last = 0; state->last = 0;
state->havedict = 0; state->havedict = 0;
state->flags = -1;
state->dmax = 32768U; state->dmax = 32768U;
state->head = Z_NULL; state->head = Z_NULL;
state->hold = 0; state->hold = 0;
...@@ -447,10 +448,10 @@ unsigned copy; ...@@ -447,10 +448,10 @@ unsigned copy;
/* check function to use adler32() for zlib or crc32() for gzip */ /* check function to use adler32() for zlib or crc32() for gzip */
#ifdef GUNZIP #ifdef GUNZIP
# define UPDATE(check, buf, len) \ # define UPDATE_CHECK(check, buf, len) \
(state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
#else #else
# define UPDATE(check, buf, len) adler32(check, buf, len) # define UPDATE_CHECK(check, buf, len) adler32(check, buf, len)
#endif #endif
/* check macros for header crc */ /* check macros for header crc */
...@@ -670,7 +671,6 @@ int flush; ...@@ -670,7 +671,6 @@ int flush;
state->mode = FLAGS; state->mode = FLAGS;
break; break;
} }
state->flags = 0; /* expect zlib header */
if (state->head != Z_NULL) if (state->head != Z_NULL)
state->head->done = -1; state->head->done = -1;
if (!(state->wrap & 1) || /* check if zlib header allowed */ if (!(state->wrap & 1) || /* check if zlib header allowed */
...@@ -697,6 +697,7 @@ int flush; ...@@ -697,6 +697,7 @@ int flush;
break; break;
} }
state->dmax = 1U << len; state->dmax = 1U << len;
state->flags = 0; /* indicate zlib header */
Tracev((stderr, "inflate: zlib header ok\n")); Tracev((stderr, "inflate: zlib header ok\n"));
strm->adler = state->check = adler32(0L, Z_NULL, 0); strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = hold & 0x200 ? DICTID : TYPE; state->mode = hold & 0x200 ? DICTID : TYPE;
...@@ -722,6 +723,7 @@ int flush; ...@@ -722,6 +723,7 @@ int flush;
CRC2(state->check, hold); CRC2(state->check, hold);
INITBITS(); INITBITS();
state->mode = TIME; state->mode = TIME;
/* fallthrough */
case TIME: case TIME:
NEEDBITS(32); NEEDBITS(32);
if (state->head != Z_NULL) if (state->head != Z_NULL)
...@@ -730,6 +732,7 @@ int flush; ...@@ -730,6 +732,7 @@ int flush;
CRC4(state->check, hold); CRC4(state->check, hold);
INITBITS(); INITBITS();
state->mode = OS; state->mode = OS;
/* fallthrough */
case OS: case OS:
NEEDBITS(16); NEEDBITS(16);
if (state->head != Z_NULL) { if (state->head != Z_NULL) {
...@@ -740,6 +743,7 @@ int flush; ...@@ -740,6 +743,7 @@ int flush;
CRC2(state->check, hold); CRC2(state->check, hold);
INITBITS(); INITBITS();
state->mode = EXLEN; state->mode = EXLEN;
/* fallthrough */
case EXLEN: case EXLEN:
if (state->flags & 0x0400) { if (state->flags & 0x0400) {
NEEDBITS(16); NEEDBITS(16);
...@@ -753,6 +757,7 @@ int flush; ...@@ -753,6 +757,7 @@ int flush;
else if (state->head != Z_NULL) else if (state->head != Z_NULL)
state->head->extra = Z_NULL; state->head->extra = Z_NULL;
state->mode = EXTRA; state->mode = EXTRA;
/* fallthrough */
case EXTRA: case EXTRA:
if (state->flags & 0x0400) { if (state->flags & 0x0400) {
copy = state->length; copy = state->length;
...@@ -775,6 +780,7 @@ int flush; ...@@ -775,6 +780,7 @@ int flush;
} }
state->length = 0; state->length = 0;
state->mode = NAME; state->mode = NAME;
/* fallthrough */
case NAME: case NAME:
if (state->flags & 0x0800) { if (state->flags & 0x0800) {
if (have == 0) goto inf_leave; if (have == 0) goto inf_leave;
...@@ -796,6 +802,7 @@ int flush; ...@@ -796,6 +802,7 @@ int flush;
state->head->name = Z_NULL; state->head->name = Z_NULL;
state->length = 0; state->length = 0;
state->mode = COMMENT; state->mode = COMMENT;
/* fallthrough */
case COMMENT: case COMMENT:
if (state->flags & 0x1000) { if (state->flags & 0x1000) {
if (have == 0) goto inf_leave; if (have == 0) goto inf_leave;
...@@ -816,6 +823,7 @@ int flush; ...@@ -816,6 +823,7 @@ int flush;
else if (state->head != Z_NULL) else if (state->head != Z_NULL)
state->head->comment = Z_NULL; state->head->comment = Z_NULL;
state->mode = HCRC; state->mode = HCRC;
/* fallthrough */
case HCRC: case HCRC:
if (state->flags & 0x0200) { if (state->flags & 0x0200) {
NEEDBITS(16); NEEDBITS(16);
...@@ -839,6 +847,7 @@ int flush; ...@@ -839,6 +847,7 @@ int flush;
strm->adler = state->check = ZSWAP32(hold); strm->adler = state->check = ZSWAP32(hold);
INITBITS(); INITBITS();
state->mode = DICT; state->mode = DICT;
/* fallthrough */
case DICT: case DICT:
if (state->havedict == 0) { if (state->havedict == 0) {
RESTORE(); RESTORE();
...@@ -846,8 +855,10 @@ int flush; ...@@ -846,8 +855,10 @@ int flush;
} }
strm->adler = state->check = adler32(0L, Z_NULL, 0); strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = TYPE; state->mode = TYPE;
/* fallthrough */
case TYPE: case TYPE:
if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave; if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave;
/* fallthrough */
case TYPEDO: case TYPEDO:
if (state->last) { if (state->last) {
BYTEBITS(); BYTEBITS();
...@@ -898,8 +909,10 @@ int flush; ...@@ -898,8 +909,10 @@ int flush;
INITBITS(); INITBITS();
state->mode = COPY_; state->mode = COPY_;
if (flush == Z_TREES) goto inf_leave; if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case COPY_: case COPY_:
state->mode = COPY; state->mode = COPY;
/* fallthrough */
case COPY: case COPY:
copy = state->length; copy = state->length;
if (copy) { if (copy) {
...@@ -935,6 +948,7 @@ int flush; ...@@ -935,6 +948,7 @@ int flush;
Tracev((stderr, "inflate: table sizes ok\n")); Tracev((stderr, "inflate: table sizes ok\n"));
state->have = 0; state->have = 0;
state->mode = LENLENS; state->mode = LENLENS;
/* fallthrough */
case LENLENS: case LENLENS:
while (state->have < state->ncode) { while (state->have < state->ncode) {
NEEDBITS(3); NEEDBITS(3);
...@@ -956,6 +970,7 @@ int flush; ...@@ -956,6 +970,7 @@ int flush;
Tracev((stderr, "inflate: code lengths ok\n")); Tracev((stderr, "inflate: code lengths ok\n"));
state->have = 0; state->have = 0;
state->mode = CODELENS; state->mode = CODELENS;
/* fallthrough */
case CODELENS: case CODELENS:
while (state->have < state->nlen + state->ndist) { while (state->have < state->nlen + state->ndist) {
for (;;) { for (;;) {
...@@ -1039,8 +1054,10 @@ int flush; ...@@ -1039,8 +1054,10 @@ int flush;
Tracev((stderr, "inflate: codes ok\n")); Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN_; state->mode = LEN_;
if (flush == Z_TREES) goto inf_leave; if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case LEN_: case LEN_:
state->mode = LEN; state->mode = LEN;
/* fallthrough */
case LEN: case LEN:
if (have >= 6 && left >= 258) { if (have >= 6 && left >= 258) {
RESTORE(); RESTORE();
...@@ -1090,6 +1107,7 @@ int flush; ...@@ -1090,6 +1107,7 @@ int flush;
} }
state->extra = (unsigned)(here.op) & 15; state->extra = (unsigned)(here.op) & 15;
state->mode = LENEXT; state->mode = LENEXT;
/* fallthrough */
case LENEXT: case LENEXT:
if (state->extra) { if (state->extra) {
NEEDBITS(state->extra); NEEDBITS(state->extra);
...@@ -1100,6 +1118,7 @@ int flush; ...@@ -1100,6 +1118,7 @@ int flush;
Tracevv((stderr, "inflate: length %u\n", state->length)); Tracevv((stderr, "inflate: length %u\n", state->length));
state->was = state->length; state->was = state->length;
state->mode = DIST; state->mode = DIST;
/* fallthrough */
case DIST: case DIST:
for (;;) { for (;;) {
here = state->distcode[BITS(state->distbits)]; here = state->distcode[BITS(state->distbits)];
...@@ -1127,6 +1146,7 @@ int flush; ...@@ -1127,6 +1146,7 @@ int flush;
state->offset = (unsigned)here.val; state->offset = (unsigned)here.val;
state->extra = (unsigned)(here.op) & 15; state->extra = (unsigned)(here.op) & 15;
state->mode = DISTEXT; state->mode = DISTEXT;
/* fallthrough */
case DISTEXT: case DISTEXT:
if (state->extra) { if (state->extra) {
NEEDBITS(state->extra); NEEDBITS(state->extra);
...@@ -1143,6 +1163,7 @@ int flush; ...@@ -1143,6 +1163,7 @@ int flush;
#endif #endif
Tracevv((stderr, "inflate: distance %u\n", state->offset)); Tracevv((stderr, "inflate: distance %u\n", state->offset));
state->mode = MATCH; state->mode = MATCH;
/* fallthrough */
case MATCH: case MATCH:
if (left == 0) goto inf_leave; if (left == 0) goto inf_leave;
copy = out - left; copy = out - left;
...@@ -1202,7 +1223,7 @@ int flush; ...@@ -1202,7 +1223,7 @@ int flush;
state->total += out; state->total += out;
if ((state->wrap & 4) && out) if ((state->wrap & 4) && out)
strm->adler = state->check = strm->adler = state->check =
UPDATE(state->check, put - out, out); UPDATE_CHECK(state->check, put - out, out);
out = left; out = left;
if ((state->wrap & 4) && ( if ((state->wrap & 4) && (
#ifdef GUNZIP #ifdef GUNZIP
...@@ -1218,10 +1239,11 @@ int flush; ...@@ -1218,10 +1239,11 @@ int flush;
} }
#ifdef GUNZIP #ifdef GUNZIP
state->mode = LENGTH; state->mode = LENGTH;
/* fallthrough */
case LENGTH: case LENGTH:
if (state->wrap && state->flags) { if (state->wrap && state->flags) {
NEEDBITS(32); NEEDBITS(32);
if (hold != (state->total & 0xffffffffUL)) { if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) {
strm->msg = (char *)"incorrect length check"; strm->msg = (char *)"incorrect length check";
state->mode = BAD; state->mode = BAD;
break; break;
...@@ -1231,6 +1253,7 @@ int flush; ...@@ -1231,6 +1253,7 @@ int flush;
} }
#endif #endif
state->mode = DONE; state->mode = DONE;
/* fallthrough */
case DONE: case DONE:
ret = Z_STREAM_END; ret = Z_STREAM_END;
goto inf_leave; goto inf_leave;
...@@ -1240,6 +1263,7 @@ int flush; ...@@ -1240,6 +1263,7 @@ int flush;
case MEM: case MEM:
return Z_MEM_ERROR; return Z_MEM_ERROR;
case SYNC: case SYNC:
/* fallthrough */
default: default:
return Z_STREAM_ERROR; return Z_STREAM_ERROR;
} }
...@@ -1265,7 +1289,7 @@ int flush; ...@@ -1265,7 +1289,7 @@ int flush;
state->total += out; state->total += out;
if ((state->wrap & 4) && out) if ((state->wrap & 4) && out)
strm->adler = state->check = strm->adler = state->check =
UPDATE(state->check, strm->next_out - out, out); UPDATE_CHECK(state->check, strm->next_out - out, out);
strm->data_type = (int)state->bits + (state->last ? 64 : 0) + strm->data_type = (int)state->bits + (state->last ? 64 : 0) +
(state->mode == TYPE ? 128 : 0) + (state->mode == TYPE ? 128 : 0) +
(state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0);
...@@ -1401,6 +1425,7 @@ int ZEXPORT inflateSync(strm) ...@@ -1401,6 +1425,7 @@ int ZEXPORT inflateSync(strm)
z_streamp strm; z_streamp strm;
{ {
unsigned len; /* number of bytes to look at or looked at */ unsigned len; /* number of bytes to look at or looked at */
int flags; /* temporary to save header status */
unsigned long in, out; /* temporary to save total_in and total_out */ unsigned long in, out; /* temporary to save total_in and total_out */
unsigned char buf[4]; /* to restore bit buffer to byte string */ unsigned char buf[4]; /* to restore bit buffer to byte string */
struct inflate_state FAR *state; struct inflate_state FAR *state;
...@@ -1433,9 +1458,15 @@ z_streamp strm; ...@@ -1433,9 +1458,15 @@ z_streamp strm;
/* return no joy or set up to restart inflate() on a new block */ /* return no joy or set up to restart inflate() on a new block */
if (state->have != 4) return Z_DATA_ERROR; if (state->have != 4) return Z_DATA_ERROR;
if (state->flags == -1)
state->wrap = 0; /* if no header yet, treat as raw */
else
state->wrap &= ~4; /* no point in computing a check value now */
flags = state->flags;
in = strm->total_in; out = strm->total_out; in = strm->total_in; out = strm->total_out;
inflateReset(strm); inflateReset(strm);
strm->total_in = in; strm->total_out = out; strm->total_in = in; strm->total_out = out;
state->flags = flags;
state->mode = TYPE; state->mode = TYPE;
return Z_OK; return Z_OK;
} }
...@@ -1531,7 +1562,7 @@ int check; ...@@ -1531,7 +1562,7 @@ int check;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR; if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state; state = (struct inflate_state FAR *)strm->state;
if (check) if (check && state->wrap)
state->wrap |= 4; state->wrap |= 4;
else else
state->wrap &= ~4; state->wrap &= ~4;
......
deps/zlib/inflate.h
/* inflate.h -- internal inflate state definition /* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2016 Mark Adler * Copyright (C) 1995-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -86,7 +86,8 @@ struct inflate_state { ...@@ -86,7 +86,8 @@ struct inflate_state {
int wrap; /* bit 0 true for zlib, bit 1 true for gzip, int wrap; /* bit 0 true for zlib, bit 1 true for gzip,
bit 2 true to validate check value */ bit 2 true to validate check value */
int havedict; /* true if dictionary provided */ int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags (0 if zlib) */ int flags; /* gzip header method and flags, 0 if zlib, or
-1 if raw or no header yet */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */ unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */ unsigned long total; /* protected copy of output count */
......
deps/zlib/inftrees.c
/* inftrees.c -- generate Huffman trees for efficient decoding /* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2017 Mark Adler * Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -9,7 +9,7 @@ ...@@ -9,7 +9,7 @@
#define MAXBITS 15 #define MAXBITS 15
const char inflate_copyright[] = const char inflate_copyright[] =
" inflate 1.2.11 Copyright 1995-2017 Mark Adler "; " inflate 1.2.12 Copyright 1995-2022 Mark Adler ";
/* /*
If you use the zlib library in a product, an acknowledgment is welcome If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot in the documentation of your product. If for some reason you cannot
...@@ -62,7 +62,7 @@ unsigned short FAR *work; ...@@ -62,7 +62,7 @@ unsigned short FAR *work;
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */ static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 77, 202}; 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 202};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
......
deps/zlib/trees.c
/* trees.c -- output deflated data using Huffman coding /* trees.c -- output deflated data using Huffman coding
* Copyright (C) 1995-2017 Jean-loup Gailly * Copyright (C) 1995-2021 Jean-loup Gailly
* detect_data_type() function provided freely by Cosmin Truta, 2006 * detect_data_type() function provided freely by Cosmin Truta, 2006
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -149,7 +149,7 @@ local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, ...@@ -149,7 +149,7 @@ local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes,
local void compress_block OF((deflate_state *s, const ct_data *ltree, local void compress_block OF((deflate_state *s, const ct_data *ltree,
const ct_data *dtree)); const ct_data *dtree));
local int detect_data_type OF((deflate_state *s)); local int detect_data_type OF((deflate_state *s));
local unsigned bi_reverse OF((unsigned value, int length)); local unsigned bi_reverse OF((unsigned code, int len));
local void bi_windup OF((deflate_state *s)); local void bi_windup OF((deflate_state *s));
local void bi_flush OF((deflate_state *s)); local void bi_flush OF((deflate_state *s));
...@@ -416,7 +416,7 @@ local void init_block(s) ...@@ -416,7 +416,7 @@ local void init_block(s)
s->dyn_ltree[END_BLOCK].Freq = 1; s->dyn_ltree[END_BLOCK].Freq = 1;
s->opt_len = s->static_len = 0L; s->opt_len = s->static_len = 0L;
s->last_lit = s->matches = 0; s->sym_next = s->matches = 0;
} }
#define SMALLEST 1 #define SMALLEST 1
...@@ -870,7 +870,8 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) ...@@ -870,7 +870,8 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last)
bi_windup(s); /* align on byte boundary */ bi_windup(s); /* align on byte boundary */
put_short(s, (ush)stored_len); put_short(s, (ush)stored_len);
put_short(s, (ush)~stored_len); put_short(s, (ush)~stored_len);
zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); if (stored_len)
zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len);
s->pending += stored_len; s->pending += stored_len;
#ifdef ZLIB_DEBUG #ifdef ZLIB_DEBUG
s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L;
...@@ -947,7 +948,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) ...@@ -947,7 +948,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
s->last_lit)); s->sym_next / 3));
if (static_lenb <= opt_lenb) opt_lenb = static_lenb; if (static_lenb <= opt_lenb) opt_lenb = static_lenb;
...@@ -1016,8 +1017,9 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) ...@@ -1016,8 +1017,9 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
unsigned dist; /* distance of matched string */ unsigned dist; /* distance of matched string */
unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */ unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
{ {
s->d_buf[s->last_lit] = (ush)dist; s->sym_buf[s->sym_next++] = dist;
s->l_buf[s->last_lit++] = (uch)lc; s->sym_buf[s->sym_next++] = dist >> 8;
s->sym_buf[s->sym_next++] = lc;
if (dist == 0) { if (dist == 0) {
/* lc is the unmatched char */ /* lc is the unmatched char */
s->dyn_ltree[lc].Freq++; s->dyn_ltree[lc].Freq++;
...@@ -1032,30 +1034,7 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) ...@@ -1032,30 +1034,7 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++;
s->dyn_dtree[d_code(dist)].Freq++; s->dyn_dtree[d_code(dist)].Freq++;
} }
return (s->sym_next == s->sym_end);
#ifdef TRUNCATE_BLOCK
/* Try to guess if it is profitable to stop the current block here */
if ((s->last_lit & 0x1fff) == 0 && s->level > 2) {
/* Compute an upper bound for the compressed length */
ulg out_length = (ulg)s->last_lit*8L;
ulg in_length = (ulg)((long)s->strstart - s->block_start);
int dcode;
for (dcode = 0; dcode < D_CODES; dcode++) {
out_length += (ulg)s->dyn_dtree[dcode].Freq *
(5L+extra_dbits[dcode]);
}
out_length >>= 3;
Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
s->last_lit, in_length, out_length,
100L - out_length*100L/in_length));
if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1;
}
#endif
return (s->last_lit == s->lit_bufsize-1);
/* We avoid equality with lit_bufsize because of wraparound at 64K
* on 16 bit machines and because stored blocks are restricted to
* 64K-1 bytes.
*/
} }
/* =========================================================================== /* ===========================================================================
...@@ -1068,13 +1047,14 @@ local void compress_block(s, ltree, dtree) ...@@ -1068,13 +1047,14 @@ local void compress_block(s, ltree, dtree)
{ {
unsigned dist; /* distance of matched string */ unsigned dist; /* distance of matched string */
int lc; /* match length or unmatched char (if dist == 0) */ int lc; /* match length or unmatched char (if dist == 0) */
unsigned lx = 0; /* running index in l_buf */ unsigned sx = 0; /* running index in sym_buf */
unsigned code; /* the code to send */ unsigned code; /* the code to send */
int extra; /* number of extra bits to send */ int extra; /* number of extra bits to send */
if (s->last_lit != 0) do { if (s->sym_next != 0) do {
dist = s->d_buf[lx]; dist = s->sym_buf[sx++] & 0xff;
lc = s->l_buf[lx++]; dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8;
lc = s->sym_buf[sx++];
if (dist == 0) { if (dist == 0) {
send_code(s, lc, ltree); /* send a literal byte */ send_code(s, lc, ltree); /* send a literal byte */
Tracecv(isgraph(lc), (stderr," '%c' ", lc)); Tracecv(isgraph(lc), (stderr," '%c' ", lc));
...@@ -1099,11 +1079,10 @@ local void compress_block(s, ltree, dtree) ...@@ -1099,11 +1079,10 @@ local void compress_block(s, ltree, dtree)
} }
} /* literal or match pair ? */ } /* literal or match pair ? */
/* Check that the overlay between pending_buf and d_buf+l_buf is ok: */ /* Check that the overlay between pending_buf and sym_buf is ok: */
Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx, Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow");
"pendingBuf overflow");
} while (lx < s->last_lit); } while (sx < s->sym_next);
send_code(s, END_BLOCK, ltree); send_code(s, END_BLOCK, ltree);
} }
...@@ -1112,9 +1091,9 @@ local void compress_block(s, ltree, dtree) ...@@ -1112,9 +1091,9 @@ local void compress_block(s, ltree, dtree)
* Check if the data type is TEXT or BINARY, using the following algorithm: * Check if the data type is TEXT or BINARY, using the following algorithm:
* - TEXT if the two conditions below are satisfied: * - TEXT if the two conditions below are satisfied:
* a) There are no non-portable control characters belonging to the * a) There are no non-portable control characters belonging to the
* "black list" (0..6, 14..25, 28..31). * "block list" (0..6, 14..25, 28..31).
* b) There is at least one printable character belonging to the * b) There is at least one printable character belonging to the
* "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255). * "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
* - BINARY otherwise. * - BINARY otherwise.
* - The following partially-portable control characters form a * - The following partially-portable control characters form a
* "gray list" that is ignored in this detection algorithm: * "gray list" that is ignored in this detection algorithm:
...@@ -1124,19 +1103,19 @@ local void compress_block(s, ltree, dtree) ...@@ -1124,19 +1103,19 @@ local void compress_block(s, ltree, dtree)
local int detect_data_type(s) local int detect_data_type(s)
deflate_state *s; deflate_state *s;
{ {
/* black_mask is the bit mask of black-listed bytes /* block_mask is the bit mask of block-listed bytes
* set bits 0..6, 14..25, and 28..31 * set bits 0..6, 14..25, and 28..31
* 0xf3ffc07f = binary 11110011111111111100000001111111 * 0xf3ffc07f = binary 11110011111111111100000001111111
*/ */
unsigned long black_mask = 0xf3ffc07fUL; unsigned long block_mask = 0xf3ffc07fUL;
int n; int n;
/* Check for non-textual ("black-listed") bytes. */ /* Check for non-textual ("block-listed") bytes. */
for (n = 0; n <= 31; n++, black_mask >>= 1) for (n = 0; n <= 31; n++, block_mask >>= 1)
if ((black_mask & 1) && (s->dyn_ltree[n].Freq != 0)) if ((block_mask & 1) && (s->dyn_ltree[n].Freq != 0))
return Z_BINARY; return Z_BINARY;
/* Check for textual ("white-listed") bytes. */ /* Check for textual ("allow-listed") bytes. */
if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0 if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0
|| s->dyn_ltree[13].Freq != 0) || s->dyn_ltree[13].Freq != 0)
return Z_TEXT; return Z_TEXT;
...@@ -1144,7 +1123,7 @@ local int detect_data_type(s) ...@@ -1144,7 +1123,7 @@ local int detect_data_type(s)
if (s->dyn_ltree[n].Freq != 0) if (s->dyn_ltree[n].Freq != 0)
return Z_TEXT; return Z_TEXT;
/* There are no "black-listed" or "white-listed" bytes: /* There are no "block-listed" or "allow-listed" bytes:
* this stream either is empty or has tolerated ("gray-listed") bytes only. * this stream either is empty or has tolerated ("gray-listed") bytes only.
*/ */
return Z_BINARY; return Z_BINARY;
......
deps/zlib/zutil.c
...@@ -136,8 +136,8 @@ const char * ZEXPORT zError(err) ...@@ -136,8 +136,8 @@ const char * ZEXPORT zError(err)
return ERR_MSG(err); return ERR_MSG(err);
} }
#if defined(_WIN32_WCE) #if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
/* The Microsoft C Run-Time Library for Windows CE doesn't have /* The older Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting. * errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used. * Its value is always 0 and should not be used.
*/ */
......
deps/zlib/zutil.h
/* zutil.h -- internal interface and configuration of the compression library /* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler * Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -29,10 +29,6 @@ ...@@ -29,10 +29,6 @@
# include <stdlib.h> # include <stdlib.h>
#endif #endif
#ifdef Z_SOLO
typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
#endif
#ifndef local #ifndef local
# define local static # define local static
#endif #endif
...@@ -46,6 +42,17 @@ typedef unsigned short ush; ...@@ -46,6 +42,17 @@ typedef unsigned short ush;
typedef ush FAR ushf; typedef ush FAR ushf;
typedef unsigned long ulg; typedef unsigned long ulg;
#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (ULONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long
# elif (ULLONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long long
# elif (UINT_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned
# endif
#endif
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */ /* (size given to avoid silly warnings with Visual C++) */
...@@ -170,10 +177,6 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -170,10 +177,6 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
# if defined(_WIN32_WCE) # if defined(_WIN32_WCE)
# define fdopen(fd,mode) NULL /* No fdopen() */ # define fdopen(fd,mode) NULL /* No fdopen() */
# ifndef _PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
# define _PTRDIFF_T_DEFINED
# endif
# else # else
# define fdopen(fd,type) _fdopen(fd,type) # define fdopen(fd,type) _fdopen(fd,type)
# endif # endif
......
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