[Bug binutils/22571] libbfd: bfd_get_symtab_upper_bound causes SIGSEGV when iterating archive files

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22571

Nick Clifton <nickc at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |nickc at redhat dot com
         Resolution|---                         |FIXED

--- Comment #3 from Nick Clifton <nickc at redhat dot com> ---
Hi Jonathan,

  This is a documentation error.  You need to call bfd_check_format() on
  each element in the archive before attempting to process it.  Ie your
  code should look like this:

    while ((file = bfd_openr_next_archived_file(archive, file)) != NULL) {
        printf("File: %s\n", file->filename);

        if (! bfd_check_format (file, bfd_object))
                break;

        long storage_needed = bfd_get_symtab_upper_bound(file);
        printf("  symbol table: %li bytes\n", storage_needed);
    }

  I have checked in a small patch to update the documentation.

Cheers
  Nick

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