10 #define FUSE_USE_VERSION 30 
   13 #include <fuse_lowlevel.h> 
   27 #include <linux/limits.h> 
   31 #define FILE_NAME "truncate_me" 
   34 static mode_t file_mode = S_IFREG | 0644;
 
   36 static int tfs_stat(
fuse_ino_t ino, 
struct stat *stbuf) {
 
   39         stbuf->st_mode = S_IFDIR | 0755;
 
   43     else if (ino == FILE_INO) {
 
   44         stbuf->st_mode = file_mode;
 
   58     memset(&e, 0, 
sizeof(e));
 
   62     else if (strcmp(name, FILE_NAME) == 0)
 
   67     if (tfs_stat(e.ino, &e.attr) != 0)
 
   82     memset(&stbuf, 0, 
sizeof(stbuf));
 
   83     if (tfs_stat(ino, &stbuf) != 0)
 
   94         assert(ino == FILE_INO);
 
  102     if(ino != FILE_INO ||
 
  103        !(to_set & FUSE_SET_ATTR_MODE)) {
 
  109         fprintf(stderr, 
"setattr with fi == NULL\n");
 
  110     else if (fi->
fh != FILE_INO)
 
  111         fprintf(stderr, 
"setattr with wrong fi->fh\n");
 
  113         fprintf(stderr, 
"setattr ok\n");
 
  115         file_mode = attr->st_mode;
 
  118     tfs_getattr(req, ino, fi);
 
  123     .getattr    = tfs_getattr,
 
  125     .setattr    = tfs_setattr,
 
  128 static void* run_fs(
void *data) {
 
  129     struct fuse_session *se = (
struct fuse_session*) data;
 
  134 static void test_fs(
char *mountpoint) {
 
  135     char fname[PATH_MAX];
 
  138     assert(snprintf(fname, PATH_MAX, 
"%s/" FILE_NAME,
 
  140     fd = open(fname, O_WRONLY);
 
  146     assert(fchmod(fd, 0600) == 0);
 
  150 int main(
int argc, 
char *argv[]) {
 
  152     struct fuse_session *se;
 
  161                           sizeof(tfs_oper), NULL);
 
  167     assert(pthread_create(&fs_thread, NULL, run_fs, (
void *)se) == 0);
 
  170     test_fs(fuse_opts.mountpoint);
 
  173     assert(pthread_cancel(fs_thread) == 0);
 
  180     printf(
"Test completed successfully.\n");
 
int fuse_set_signal_handlers(struct fuse_session *se)
void fuse_remove_signal_handlers(struct fuse_session *se)
void fuse_session_destroy(struct fuse_session *se)
int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *fi)
int fuse_reply_err(fuse_req_t req, int err)
struct fuse_req * fuse_req_t
int fuse_session_loop(struct fuse_session *se)
int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e)
void fuse_session_unmount(struct fuse_session *se)
int fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts)
struct fuse_session * fuse_session_new(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata)
int fuse_session_mount(struct fuse_session *se, const char *mountpoint)
int fuse_reply_attr(fuse_req_t req, const struct stat *attr, double attr_timeout)
int fuse_opt_add_arg(struct fuse_args *args, const char *arg)
#define FUSE_ARGS_INIT(argc, argv)
void(* lookup)(fuse_req_t req, fuse_ino_t parent, const char *name)