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Fix some more issues

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- ARM Neon headers are now exported in libc/isystem/

- stat() and access() now do a better job reporting which files are
  executable which ones aren't. They do this by reading the first two
  bytes in a file to see if it's `MZ` or `#!`.
This commit is contained in:
Justine Tunney 2023-09-21 11:41:42 -07:00
parent 22cf6e11eb
commit 4f5d5a6813
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GPG key ID: BE714B4575D6E328
17 changed files with 144 additions and 49 deletions
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7
libc/calls/getuid-nt.c
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@ -18,13 +18,10 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/intrin/atomic.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
#include "libc/nt/accounting.h"
// asan must be disabled because __proc_worker calls this on win32 stack
static uint32_t __kmp32(const void *buf, size_t size) {
static textwindows uint32_t __kmp32(const void *buf, size_t size) {
size_t i;
uint32_t h;
const uint32_t kPhiPrime = 0x9e3779b1;
@ -39,7 +36,7 @@ textwindows uint32_t sys_getuid_nt(void) {
uint32_t tmp, size = ARRAYLEN(buf);
if (!(tmp = atomic_load_explicit(&uid, memory_order_acquire))) {
GetUserName(&buf, &size);
tmp = __kmp32(buf, size >> 1) & INT_MAX;
tmp = __kmp32(buf, size >> 1) & 32767;
if (!tmp) ++tmp;
atomic_store_explicit(&uid, tmp, memory_order_release);
}