mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-28 07:18:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Optimize memory layout

Browse source
This commit is contained in:
Justine Tunney 2022-09-12 04:19:32 -07:00
parent 0305194d98
commit b69f3d2488
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
41 changed files with 383 additions and 347 deletions
Download patch file Download diff file Expand all files Collapse all files

48
third_party/zlib/infback.c vendored
View file

@ -46,7 +46,7 @@ int inflateBackInit(z_streamp strm, int windowBits, unsigned char *window) {
}
state = (struct InflateState *)ZALLOC(strm, 1, sizeof(struct InflateState));
if (state == Z_NULL) return Z_MEM_ERROR;
Tracev((stderr, "inflate: allocated\n"));
Tracev(("inflate: allocated\n"));
strm->state = (struct DeflateState *)state;
state->dmax = 32768U;
state->wbits = (uInt)windowBits;
@ -54,6 +54,7 @@ int inflateBackInit(z_streamp strm, int windowBits, unsigned char *window) {
state->window = window;
state->wnext = 0;
state->whave = 0;
state->sane = 0;
return Z_OK;
}
@ -97,7 +98,7 @@ static void fixedtables(struct InflateState *state) {
}
state->lencode = lenfix;
state->distcode = distfix;
#else /* !BUILDFIXED */
#else /* !BUILDFIXED */
state->lencode = kZlibLenfix;
state->distcode = kZlibDistfix;
#endif /* BUILDFIXED */
@ -277,18 +278,18 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
DROPBITS(1);
switch (BITS(2)) {
case 0: /* stored block */
Tracev((stderr, "inflate: stored block%s\n",
Tracev(("inflate: stored block%s\n",
state->last ? " (last)" : ""));
state->mode = STORED;
break;
case 1: /* fixed block */
fixedtables(state);
Tracev((stderr, "inflate: fixed codes block%s\n",
Tracev(("inflate: fixed codes block%s\n",
state->last ? " (last)" : ""));
state->mode = LEN; /* decode codes */
break;
case 2: /* dynamic block */
Tracev((stderr, "inflate: dynamic codes block%s\n",
Tracev(("inflate: dynamic codes block%s\n",
state->last ? " (last)" : ""));
state->mode = TABLE;
break;
@ -309,7 +310,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
break;
}
state->length = (unsigned)hold & 0xffff;
Tracev((stderr, "inflate: stored length %u\n", state->length));
Tracev(("inflate: stored length %u\n", state->length));
INITBITS();
/* copy stored block from input to output */
@ -326,7 +327,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
put += copy;
state->length -= copy;
}
Tracev((stderr, "inflate: stored end\n"));
Tracev(("inflate: stored end\n"));
state->mode = TYPE;
break;
@ -346,7 +347,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
break;
}
#endif
Tracev((stderr, "inflate: table sizes ok\n"));
Tracev(("inflate: table sizes ok\n"));
/* get code length code lengths (not a typo) */
state->have = 0;
@ -366,7 +367,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
state->mode = BAD;
break;
}
Tracev((stderr, "inflate: code lengths ok\n"));
Tracev(("inflate: code lengths ok\n"));
/* get length and distance code code lengths */
state->have = 0;
@ -445,7 +446,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
state->mode = BAD;
break;
}
Tracev((stderr, "inflate: codes ok\n"));
Tracev(("inflate: codes ok\n"));
state->mode = LEN;
case LEN:
@ -479,8 +480,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
/* process literal */
if (here.op == 0) {
Tracevv((stderr,
here.val >= 0x20 && here.val < 0x7f
Tracevv((here.val >= 0x20 && here.val < 0x7f
? "inflate: literal '%c'\n"
: "inflate: literal 0x%02x\n",
here.val));
@ -493,7 +493,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
/* process end of block */
if (here.op & 32) {
Tracevv((stderr, "inflate: end of block\n"));
Tracevv(("inflate: end of block\n"));
state->mode = TYPE;
break;
}
@ -512,7 +512,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
state->length += BITS(state->extra);
DROPBITS(state->extra);
}
Tracevv((stderr, "inflate: length %u\n", state->length));
Tracevv(("inflate: length %u\n", state->length));
/* get distance code */
for (;;) {
@ -551,7 +551,7 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
state->mode = BAD;
break;
}
Tracevv((stderr, "inflate: distance %u\n", state->offset));
Tracevv(("inflate: distance %u\n", state->offset));
/* copy match from window to output */
do {
@ -574,25 +574,27 @@ int inflateBack(z_streamp strm, in_func in, void *in_desc, out_func out,
break;
case DONE:
/* inflate stream terminated properly -- write leftover output */
/* inflate stream terminated properly */
ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave;
case BAD:
ret = Z_DATA_ERROR;
goto inf_leave;
default: /* can't happen, but makes compilers happy */
default:
/* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR;
goto inf_leave;
}
/* Return unused input */
/* Write leftover output and return unused input */
inf_leave:
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left) &&
ret == Z_STREAM_END)
ret = Z_BUF_ERROR;
}
strm->next_in = next;
strm->avail_in = have;
return ret;
@ -603,6 +605,6 @@ int inflateBackEnd(z_streamp strm) {
return Z_STREAM_ERROR;
ZFREE(strm, strm->state);
strm->state = Z_NULL;
Tracev((stderr, "inflate: end\n"));
Tracev(("inflate: end\n"));
return Z_OK;
}