diff options
| -rw-r--r-- | archival/libunarchive/get_header_tar.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index 274bd4607..7493d910e 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -90,7 +90,15 @@ char get_header_tar(archive_handle_t *archive_handle) again_after_align: - xread(archive_handle->src_fd, &tar, 512); + i = full_read(archive_handle->src_fd, &tar, 512); + /* if GNU tar sees EOF in above read, it says: + * "tar: A lone zero block at N", where N = kilobyte + * where EOF was met (not EOF block, actual EOF!), + * and tar will exit with error code 0! Mimic exit(0): */ + if (i == 0) + xfunc_error_retval = 0; + if (i != 512) + bb_error_msg_and_die("short read"); archive_handle->offset += 512; /* If there is no filename its an empty header */ |