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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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12
libc/runtime/zipos-parseuri.c
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@ -16,19 +16,21 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/str/str.h"
#include "libc/runtime/zipos.internal.h"
#include "libc/str/str.h"
/**
* Extracts information about ZIP URI if it is one.
*/
ssize_t __zipos_parseuri(const char *uri, struct ZiposUri *out) {
size_t len;
if ((uri[0] == '/' && uri[1] == 'z' && uri[2] == 'i' && uri[3] == 'p' &&
if ((uri[0] == '/' && //
uri[1] == 'z' && //
uri[2] == 'i' && //
uri[3] == 'p' && //
(!uri[4] || uri[4] == '/')) &&
(len = strlen(uri)) < PATH_MAX) {
out->path = uri + 4 + !!uri[4];
return (out->len = len - 4 - !!uri[4]);
strlcpy(out->path, uri + 4 + !!uri[4], ZIPOS_PATH_MAX) < ZIPOS_PATH_MAX) {
return (out->len = __zipos_normpath(out->path));
} else {
return -1;
}