fix: refining the tty input

[lunaix-os.git] / lunaix-os / kernel / demos / iotest.c

diff --git a/lunaix-os/kernel/demos/iotest.c b/lunaix-os/kernel/demos/iotest.c
index 99300bdb4783daa2b9e4503825f909c7d7e7de35..f41c9a8e499e63eaeb7854a5d522ad43c3dbe567 100644 (file)
--- a/lunaix-os/kernel/demos/iotest.c
+++ b/lunaix-os/kernel/demos/iotest.c
@@ -39,8 +39,16 @@ _iotest_main()
     lseek(fd, 521, FSEEK_SET);
     write(fd, test_sequence, sizeof(test_sequence));
 
     lseek(fd, 521, FSEEK_SET);
     write(fd, test_sequence, sizeof(test_sequence));
 

-    // 读出我们写的内容

     char read_out[256];
     char read_out[256];

+    write(tty, "input: ", 8);
+    int size = read(tty, read_out, 256);
+
+    write(tty, "your input: ", 13);
+    write(tty, read_out, size);
+    write(fd, read_out, size);
+    write(tty, "\n", 1);
+
+    // 读出我们写的内容

     lseek(fd, 512, FSEEK_SET);
     read(fd, read_out, sizeof(read_out));
 
     lseek(fd, 512, FSEEK_SET);
     read(fd, read_out, sizeof(read_out));