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Re: [MiNT] [PATCH] symlink attributes on ramfs
very useful, thankyou, ta for the explanation too
2011/12/9 Vincent Rivière <email@example.com>:
> Some people noticed that tar 1.26 was unable to create an archive from
> symlinks stored on FreeMiNT's ramdisk. It failed with "Range error".
> After investigation, this problem comes from tar's src/create.c, in function
> size_t linklen = st->stat.st_size;
> buffer = (char *) alloca (linklen + 1);
> size = readlinkat (parentfd, name, buffer, linklen + 1);
> Actually, stat.st_size was always 0 for symlinks stored on /ram, while it
> should be the length of the target. This can be easily verified using the ls
> -l command and looking at the size of the symlinks.
> Additionally, the permissions of the ramdisk symlinks were l--------- while
> they should be lrwxrwxrwx. There was no trouble with that, but this was
> I fixed both issues.
> Alan or Helmut, please commit in the FreeMiNT tree!
> Fixed file size and permissions of symlinks stored on ramfs. Contributed by
> Vincent Riviere.
> Vincent Rivière