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Make ZipOS and Qemu work better

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This change improves the dirstream library in a lot of respects,
especially for /zip/... files. Also turn off MAP_STACK on Aarch64
because Qemu seems to implement it differently than Linux and it's
probably responsible for a lot of mysterious crashes.
This commit is contained in:
Justine Tunney 2023-08-15 18:24:53 -07:00
parent 4658ae539f
commit 110559ce6a
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GPG key ID: BE714B4575D6E328
48 changed files with 748 additions and 500 deletions
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8
libc/runtime/zipos-stat-impl.c
View file

@ -18,17 +18,19 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/stat.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/runtime/zipos.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/s.h"
#include "libc/sysv/errfuns.h"
#include "libc/zip.internal.h"
#include "libc/runtime/zipos.internal.h"
int __zipos_stat_impl(struct Zipos *zipos, size_t cf, struct stat *st) {
size_t lf;
if (zipos && st) {
bzero(st, sizeof(*st));
if (cf) {
if (cf == ZIPOS_SYNTHETIC_DIRECTORY) {
st->st_mode = S_IFDIR | 0555;
} else {
lf = GetZipCfileOffset(zipos->map + cf);
st->st_mode = GetZipCfileMode(zipos->map + cf);
st->st_size = GetZipLfileUncompressedSize(zipos->map + lf);
@ -37,8 +39,6 @@ int __zipos_stat_impl(struct Zipos *zipos, size_t cf, struct stat *st) {
GetZipCfileTimestamps(zipos->map + cf, &st->st_mtim, &st->st_atim,
&st->st_ctim, 0);
st->st_birthtim = st->st_ctim;
} else {
st->st_mode = 0444 | S_IFDIR | 0111;
}
return 0;
} else {