87 static void create_abs_path(const char *name, char *path, size_t len)  in create_abs_path()  argument
90 		strncpy(path, name, len);  in create_abs_path()
91 		path[len - 1] = '\0';  in create_abs_path()
95 			*path++ = '/';  in create_abs_path()
98 			strncpy(path, name, len);  in create_abs_path()
99 			path[len - 1] = '\0';  in create_abs_path()
101 			strncpy(path, cwd, len);  in create_abs_path()
102 			path[len - 1] = '\0';  in create_abs_path()
104 			size_t plen = strlen(path);  in create_abs_path()
107 				path += plen;  in create_abs_path()
108 				*path++ = '/';  in create_abs_path()
110 				strncpy(path, name, len);  in create_abs_path()
111 				path[len - 1] = '\0';  in create_abs_path()
119 	char path[MAX_PATH_LEN];  in cmd_cd()  local
141 	create_abs_path(argv[1], path, sizeof(path));  in cmd_cd()
143 	err = fs_stat(path, &entry);  in cmd_cd()
145 		shell_error(sh, "%s doesn't exist", path);  in cmd_cd()
150 		shell_error(sh, "%s is not a directory", path);  in cmd_cd()
154 	strncpy(cwd, path, sizeof(cwd));  in cmd_cd()
162 	char path[MAX_PATH_LEN];  in cmd_ls()  local
167 		strncpy(path, cwd, sizeof(path));  in cmd_ls()
168 		path[sizeof(path) - 1] = '\0';  in cmd_ls()
170 		create_abs_path(argv[1], path, sizeof(path));  in cmd_ls()
175 	err = fs_opendir(&dir, path);  in cmd_ls()
177 		shell_error(sh, "Unable to open %s (err %d)", path, err);  in cmd_ls()
213 	char path[MAX_PATH_LEN];  in cmd_trunc()  local
218 	create_abs_path(argv[1], path, sizeof(path));  in cmd_trunc()
227 	err = fs_open(&file, path, FS_O_WRITE);  in cmd_trunc()
229 		shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_trunc()
235 		shell_error(sh, "Failed to truncate %s (%d)", path, err);  in cmd_trunc()
247 	char path[MAX_PATH_LEN];  in cmd_mkdir()  local
249 	create_abs_path(argv[1], path, sizeof(path));  in cmd_mkdir()
251 	err = fs_mkdir(path);  in cmd_mkdir()
263 	char path[MAX_PATH_LEN];  in cmd_rm()  local
265 	create_abs_path(argv[1], path, sizeof(path));  in cmd_rm()
267 	err = fs_unlink(path);  in cmd_rm()
269 		shell_error(sh, "Failed to remove %s (%d)", path, err);  in cmd_rm()
278 	char path[MAX_PATH_LEN];  in cmd_read()  local
285 	create_abs_path(argv[1], path, sizeof(path));  in cmd_read()
302 	err = fs_stat(path, &dirent);  in cmd_read()
305 			    path, err);  in cmd_read()
310 		shell_error(sh, "Not a file %s", path);  in cmd_read()
317 	err = fs_open(&file, path, FS_O_READ);  in cmd_read()
319 		shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_read()
327 				    path, err);  in cmd_read()
372 	char path[MAX_PATH_LEN];  in cmd_cat()  local
382 		create_abs_path(argv[i], path, sizeof(path));  in cmd_cat()
384 		err = fs_stat(path, &dirent);  in cmd_cat()
387 					path, err);  in cmd_cat()
392 			shell_error(sh, "Not a file %s", path);  in cmd_cat()
396 		err = fs_open(&file, path, FS_O_READ);  in cmd_cat()
398 			shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_cat()
415 				path, read);  in cmd_cat()
427 	char path[MAX_PATH_LEN];  in cmd_statvfs()  local
430 	create_abs_path(argv[1], path, sizeof(path));  in cmd_statvfs()
432 	err = fs_statvfs(path, &stat);  in cmd_statvfs()
434 		shell_error(sh, "Failed to statvfs %s (%d)", path, err);  in cmd_statvfs()
447 	char path[MAX_PATH_LEN];  in cmd_write()  local
455 	create_abs_path(argv[1], path, sizeof(path));  in cmd_write()
471 	err = fs_open(&file, path, FS_O_CREATE | FS_O_WRITE);  in cmd_write()
473 		shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_write()
483 		shell_error(sh, "Failed to seek %s (%d)", path, err);  in cmd_write()
496 					      path, err);  in cmd_write()
548 	char path[MAX_PATH_LEN];  in cmd_read_test()  local
566 	create_abs_path(argv[1], path, sizeof(path));  in cmd_read_test()
574 	err = fs_stat(path, &dirent);  in cmd_read_test()
594 		err = fs_open(&file, path, FS_O_READ);  in cmd_read_test()
596 			shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_read_test()
606 					      path, err);  in cmd_read_test()
641 	char path[MAX_PATH_LEN];  in cmd_erase_write_test()  local
658 	create_abs_path(argv[1], path, sizeof(path));  in cmd_erase_write_test()
683 		err = fs_open(&file, path, FS_O_CREATE | FS_O_WRITE);  in cmd_erase_write_test()
685 			shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_erase_write_test()
695 			err = fs_unlink(path);  in cmd_erase_write_test()
697 				shell_error(sh, "Failed to delete %s (%d)", path, err);  in cmd_erase_write_test()
701 			err = fs_open(&file, path, FS_O_CREATE | FS_O_WRITE);  in cmd_erase_write_test()
703 				shell_error(sh, "Failed to open %s (%d)", path, err);  in cmd_erase_write_test()
707 			shell_error(sh, "Failed to truncate %s (%d)", path, err);  in cmd_erase_write_test()
724 					      path, err);  in cmd_erase_write_test()