1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#include "user.h"
#include "types.h"
#include "fs.h"
// file system tests
char buf[1024];
char *echo_args[] = { "echo", "hello", "goodbye", 0 };
char *cat_args[] = { "cat", "README", 0 };
int
main(void)
{
int fd;
puts("userfs running\n");
block();
if (mknod ("console", T_DEV, 1, 1) < 0)
puts ("mknod failed\n");
else
puts ("made a node\n");
fd = open("console", 1);
if(fd >= 0){
puts("open console ok\n");
} else {
puts("open console failed!\n");
}
if (write (fd, "hello\n", 6) != 6) {
puts ("write to console failed\n");
}
close (fd);
fd = open("echo", 0);
if(fd >= 0){
puts("open echo ok\n");
close(fd);
} else {
puts("open echo failed!\n");
}
fd = open("doesnotexist", 0);
if(fd >= 0){
puts("open doesnotexist succeeded!\n");
close(fd);
} else {
puts("open doesnotexist failed\n");
}
//exec("echo", echo_args);
exec("cat", cat_args);
return 0;
}
|
