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-rw-r--r--src/unistd/isatty.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/unistd/isatty.c b/src/unistd/isatty.c
index cff6e9fe..c8badaf5 100644
--- a/src/unistd/isatty.c
+++ b/src/unistd/isatty.c
@@ -1,8 +1,9 @@
#include <unistd.h>
-#include <termios.h>
+#include <sys/ioctl.h>
+#include "syscall.h"
int isatty(int fd)
{
- struct termios t;
- return tcgetattr(fd, &t) == 0;
+ struct winsize wsz;
+ return !__syscall(SYS_ioctl, fd, TIOCGWINSZ, &wsz);
}