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Perform some code cleanup

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Justine Tunney 2023-05-28 19:42:00 -07:00
parent 992a4638ae
commit 72f8bd10b7
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GPG key ID: BE714B4575D6E328
8 changed files with 55 additions and 265 deletions
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8
libc/intrin/isdebuggerpresent.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/promises.internal.h"
@ -23,6 +24,7 @@
#include "libc/log/log.h"
#include "libc/nt/struct/teb.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/at.h"
#include "libc/sysv/consts/o.h"
#define kBufSize 1024
@ -48,15 +50,15 @@ int IsDebuggerPresent(bool force) {
if (!PLEDGED(RPATH)) return false;
res = 0;
e = errno;
if ((fd = __sysv_open("/proc/self/status", O_RDONLY, 0)) >= 0) {
if ((got = __sysv_read(fd, buf, sizeof(buf) - 1)) > 0) {
if ((fd = __sys_openat(AT_FDCWD, "/proc/self/status", O_RDONLY, 0)) >= 0) {
if ((got = sys_read(fd, buf, sizeof(buf) - 1)) > 0) {
buf[got] = '\0';
if ((p = __strstr(buf, kPid))) {
p += sizeof(kPid) - 1;
res = __atoul(p);
}
}
__sysv_close(fd);
sys_close(fd);
}
errno = e;
return res;