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| author | Richard Jones <rjones@redhat.com> | 2009-04-30 19:28:54 +0100 |
|---|---|---|
| committer | Richard Jones <rjones@redhat.com> | 2009-04-30 19:28:54 +0100 |
| commit | 62df226f26bd6ac3c481a7790eb89d760d2f0386 (patch) | |
| tree | 617a5a436598902b2239d67535925520c20a6e6e /perl | |
| parent | 2a42bec2c5ee521f29179a5aab713f5a9ca2c3b8 (diff) | |
| download | libguestfs-62df226f26bd6ac3c481a7790eb89d760d2f0386.tar.gz libguestfs-62df226f26bd6ac3c481a7790eb89d760d2f0386.tar.xz libguestfs-62df226f26bd6ac3c481a7790eb89d760d2f0386.zip | |
Added 'zero' command to wipe partition tables and superblocks.
Diffstat (limited to 'perl')
| -rw-r--r-- | perl/Guestfs.xs | 11 | ||||
| -rw-r--r-- | perl/lib/Sys/Guestfs.pm | 8 |
2 files changed, 19 insertions, 0 deletions
diff --git a/perl/Guestfs.xs b/perl/Guestfs.xs index 38c60c21..651e7a23 100644 --- a/perl/Guestfs.xs +++ b/perl/Guestfs.xs @@ -1588,3 +1588,14 @@ PREINIT: OUTPUT: RETVAL +void +zero (g, device) + guestfs_h *g; + char *device; +PREINIT: + int r; + PPCODE: + r = guestfs_zero (g, device); + if (r == -1) + croak ("zero: %s", guestfs_last_error (g)); + diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm index 5b87b27e..2d75b69f 100644 --- a/perl/lib/Sys/Guestfs.pm +++ b/perl/lib/Sys/Guestfs.pm @@ -1006,6 +1006,14 @@ Because of the message protocol, there is a transfer limit of somewhere between 2MB and 4MB. To transfer large files you should use FTP. +=item $h->zero ($device); + +This command writes zeroes over the first few blocks of C<device>. + +How many blocks are zeroed isn't specified (but it's I<not> enough +to securely wipe the device). It should be sufficient to remove +any partition tables, filesystem superblocks and so on. + =cut 1; |