diff options
| -rw-r--r-- | lib/libarchive/archive_read_support_format_tar.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libarchive/archive_read_support_format_tar.c b/lib/libarchive/archive_read_support_format_tar.c index e8a769c..f273998 100644 --- a/lib/libarchive/archive_read_support_format_tar.c +++ b/lib/libarchive/archive_read_support_format_tar.c @@ -270,7 +270,10 @@ archive_read_format_tar_bid(struct archive *a) bid++; /* Now let's look at the actual header and see if it matches. */ - bytes_read = (a->compression_read_ahead)(a, &h, 512); + if (a->compression_read_ahead != NULL) + bytes_read = (a->compression_read_ahead)(a, &h, 512); + else + bytes_read = 0; /* Empty file. */ if (bytes_read < 0) return (ARCHIVE_FATAL); if (bytes_read == 0 && bid > 0) { @@ -846,8 +849,11 @@ header_common(struct archive *a, struct tar *tar, struct archive_entry *entry, st->st_mode |= S_IFREG; break; case 'S': /* GNU sparse files */ - /* I would like to support these someday... */ - break; + /* + * Sparse files are really just regular files with + * sparse information in the extended area. + */ + /* FALL THROUGH */ default: /* Regular file and non-standard types */ /* * Per POSIX: non-recognized types should always be |
