[libc]fix bug of _isatty_r()
* 2021-02-11 Meco Man remove _gettimeofday_r() and _times_r()
* 2020-02-13 Meco Man re-implement exit() and abort()
* 2020-02-21 Meco Man improve and beautify syscalls
+ * 2020-02-24 Meco Man fix bug of _isatty_r()
*/
#include <reent.h>
@@ -89,12 +90,14 @@ int
_isatty_r(struct _reent *ptr, int fd)
{
if (fd >=0 && fd < 3)
+ {
return 1;
-
- ptr->_errno = ENOTTY ;
+ }
+ else
+ {
return 0;
}
-
+}
int
_kill_r(struct _reent *ptr, int pid, int sig)
{
