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Make some touchups

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This commit is contained in:
Justine Tunney 2022-07-15 18:07:34 -07:00
parent 6c49e36537
commit 2e3958c6dc
11 changed files with 161 additions and 63 deletions
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6
libc/intrin/restoretty.c
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@ -23,6 +23,7 @@
#include "libc/calls/termios.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/promises.internal.h"
#include "libc/log/color.internal.h"
#include "libc/log/internal.h"
#include "libc/log/libfatal.internal.h"
@ -47,8 +48,7 @@ static union metatermios __oldtermios;
static textstartup void __oldtermios_init() {
int e;
e = errno;
if (!IsOpenbsd() && // avoid pledge(tty)
sys_ioctl(0, TCGETS, &__oldtermios) != -1) {
if (PLEDGED(TTY) && sys_ioctl(0, TCGETS, &__oldtermios) != -1) {
__isrestorable = true;
}
errno = e;
@ -60,7 +60,7 @@ const void *const __oldtermios_ctor[] initarray = {
void __restore_tty(void) {
int e;
if (__isrestorable && !__isworker && !__nocolor) {
if (__isrestorable && PLEDGED(TTY) && !__isworker && !__nocolor) {
e = errno;
sys_write(0, ANSI_RESTORE, __strlen(ANSI_RESTORE));
sys_ioctl(0, TCSETSF, &__oldtermios);