You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1005 B
55 lines
1005 B
6 years ago
|
#include <litc.h>
|
||
|
|
|
||
|
|
static char buf[1024];
|
||
|
|
|
||
|
|
void readprint(int fd)
|
||
|
|
{
|
||
|
|
long ret;
|
||
|
|
if ((ret = read(fd, &buf, sizeof(buf))) < 0) {
|
||
|
|
err(ret, "read");
|
||
|
|
exit(-1);
|
||
|
|
}
|
||
|
|
printf("FD %d read %ld bytes\n", fd, ret);
|
||
|
|
if (ret == sizeof(buf))
|
||
|
|
ret = sizeof(buf) - 1;
|
||
|
|
buf[ret] = '\0';
|
||
|
|
printf("FD %d returned: %s\n", fd, buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
if ((ret = open("/etc/passwd", O_RDONLY, 0)) >= 0) {
|
||
|
|
errx(-1, "open should fail");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if ((ret = open("/hi.txt", O_RDONLY, 0)) < 0) {
|
||
|
|
err(ret, "open");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
int fd1 = ret;
|
||
|
|
if ((ret = open("/boot/uefi/readme.txt", O_RDONLY, 0)) < 0) {
|
||
|
|
err(ret, "open");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
int fd2 = ret;
|
||
|
|
if ((ret = open("/clouseau.txt", O_RDONLY, 0)) < 0) {
|
||
|
|
err(ret, "open");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
int fd3 = ret;
|
||
|
|
if ((ret = open("/boot/bsd", O_RDONLY, 0)) < 0) {
|
||
|
|
err(ret, "open");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
int fd4 = ret;
|
||
|
|
|
||
|
|
readprint(fd1);
|
||
|
|
readprint(fd2);
|
||
|
|
readprint(fd3);
|
||
|
|
readprint(fd4);
|
||
|
|
|
||
|
|
printf("FS TESTS PASSED!\n");
|
||
|
|
return 0;
|
||
|
|
}
|