| 44,18 → 44,20 |
|---|
| char *test_vfs1(bool quiet) |
| { |
| if (mount("tmpfs", "/", "nulldev0") != EOK) |
| return "Mount failed.\n"; |
| return "mount() failed.\n"; |
| if (!quiet) |
| printf("mounted tmpfs on /.\n"); |
| |
| if (mkdir("/mydir", 0) != 0) |
| return "mkdir() failed.\n"; |
| if (!quiet) |
| printf("Created directory /mydir\n"); |
| printf("created directory /mydir\n"); |
| |
| int fd0 = open("/mydir/myfile", O_CREAT); |
| if (fd0 < 0) |
| return "open() failed.\n"; |
| if (!quiet) |
| printf("Created /mydir/myfile, handle=%d\n", fd0); |
| printf("created file /mydir/myfile, fd=%d\n", fd0); |
| |
| ssize_t cnt; |
| size_t size = sizeof(text); |
| 63,30 → 65,11 |
|---|
| if (cnt < 0) |
| return "write() failed.\n"; |
| if (!quiet) |
| printf("Written %d btyes to handle %d.\n", cnt, fd0); |
| printf("written %d bytes, fd=%d\n", cnt, fd0); |
| if (lseek(fd0, 0, SEEK_SET) != 0) |
| return "lseek() failed.\n"; |
| |
| DIR *dirp; |
| struct dirent *dp; |
| |
| dirp = opendir("/"); |
| if (!dirp) |
| return "opendir() failed."; |
| while ((dp = readdir(dirp))) |
| printf("Discovered %s\n", dp->d_name); |
| closedir(dirp); |
| |
| int fd1 = open("/dir1/file1", O_RDONLY); |
| int fd2 = open("/dir2/file2", O_RDONLY); |
| |
| if (fd1 < 0) |
| return "open() failed.\n"; |
| if (fd2 < 0) |
| return "open() failed.\n"; |
| |
| if (!quiet) |
| printf("Opened file descriptors %d and %d.\n", fd1, fd2); |
| printf("sought to position 0, fd=%d\n", fd0); |
| |
| char buf[10]; |
| |
| 95,16 → 78,17 |
|---|
| return "read() failed.\n"; |
| |
| if (!quiet) |
| printf("Read %d bytes from handle %d: %.*s\n", cnt, fd0, cnt, |
| buf); |
| printf("read %d bytes: \"%.*s\", fd=%d\n", cnt, cnt, buf, fd0); |
| |
| cnt = read(fd1, buf, sizeof(buf)); |
| if (cnt < 0) |
| return "read() failed.\n"; |
| DIR *dirp; |
| struct dirent *dp; |
| |
| if (!quiet) |
| printf("Read %d bytes from handle %d: %.*s\n", cnt, fd1, cnt, |
| buf); |
| dirp = opendir("/"); |
| if (!dirp) |
| return "opendir() failed."; |
| while ((dp = readdir(dirp))) |
| printf("discovered node %s in /\n", dp->d_name); |
| closedir(dirp); |
| |
| return NULL; |
| } |