Re: [fuse-devel] Problems with rm -Rf

[Franco B. <fr...@fu...>]

OK that works.

Is this now a fix and not a hack? Or are you thinking there's a better
way around this problem?


On Tue, 2007-09-18 at 16:05 +0200, Miklos Szeredi wrote:
> > I just tested the hack and it appears to produce exactly the same result
> > as before.
> 
> OK, the hack was broken.  Here's one that I actually tried.
> 
> Miklos
> ---
> 
> struct xmp_dirp {
>     DIR *dp;
>     struct dirent *entry;
>     off_t offset;
> };
> 
> static int xmp_opendir(const char *path, struct fuse_file_info *fi)
> {
>     int res;
>     struct xmp_dirp *d = malloc(sizeof(struct xmp_dirp));
>     if (d == NULL)
>         return -ENOMEM;
> 
>     d->dp = opendir(path);
>     if (d->dp == NULL) {
>         res = -errno;
>         free(d);
>         return res;
>     }
>     d->offset = 0;
>     d->entry = NULL;
> 
>     fi->fh = (unsigned long) d;
>     return 0;
> }
> 
> static inline struct xmp_dirp *get_dirp(struct fuse_file_info *fi)
> {
>     return (struct xmp_dirp *) (uintptr_t) fi->fh;
> }
> 
> static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
>                        off_t offset, struct fuse_file_info *fi)
> {
>     struct xmp_dirp *d = get_dirp(fi);
> 
>     (void) path;
>     if (offset != d->offset) {
>         seekdir(d->dp, offset);
>         d->entry = NULL;
>         d->offset = offset;
>     }
>     while (1) {
>         struct stat st;
>         off_t nextoff;
> 
>         if (!d->entry) {
>             d->entry = readdir(d->dp);
>             if (!d->entry)
>                 break;
>         }
> 
>         memset(&st, 0, sizeof(st));
>         st.st_ino = d->entry->d_ino;
>         st.st_mode = d->entry->d_type << 12;
>         nextoff = telldir(d->dp);
>         if (filler(buf, d->entry->d_name, &st, nextoff))
>             break;
> 
>         d->entry = NULL;
>         d->offset = nextoff;
>     }
> 
>     return 0;
> }
> 
> static int xmp_releasedir(const char *path, struct fuse_file_info *fi)
> {
>     struct xmp_dirp *d = get_dirp(fi);
>     (void) path;
>     closedir(d->dp);
>     free(d);
>     return 0;
> }