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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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23
libc/runtime/zipos-stat.c
View file

@ -16,9 +16,8 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/stdio/stdio.h"
#include "libc/sysv/errfuns.h"
#include "libc/runtime/zipos.internal.h"
#include "libc/sysv/errfuns.h"
/**
* Reads file metadata from αcτµαlly pδrταblε εxεcµταblε object store.
@ -26,22 +25,10 @@
* @param uri is obtained via __zipos_parseuri()
* @asyncsignalsafe
*/
int __zipos_stat(const struct ZiposUri *name, struct stat *st) {
int rc;
int __zipos_stat(struct ZiposUri *name, struct stat *st) {
ssize_t cf;
struct Zipos *zipos;
if (st) {
if ((zipos = __zipos_get())) {
if ((cf = __zipos_find(zipos, name)) != -1) {
rc = __zipos_stat_impl(zipos, cf, st);
} else {
rc = enoent();
}
} else {
rc = enoexec();
}
} else {
rc = efault();
}
return rc;
if (!(zipos = __zipos_get())) return enoexec();
if ((cf = __zipos_find(zipos, name)) == -1) return enoent();
return __zipos_stat_impl(zipos, cf, st);
}