MFC r179789: Never match dirs as hardlinks.

This commit is contained in:
kientzle 2008-08-13 04:05:33 +00:00
parent 175640c4dc
commit 8c1cf2459a
2 changed files with 21 additions and 0 deletions

View File

@ -181,6 +181,9 @@ archive_entry_linkify(struct archive_entry_linkresolver *res,
/* If it has only one link, then we're done. */
if (archive_entry_nlink(*e) == 1)
return;
/* Directories never have hardlinks. */
if (archive_entry_filetype(*e) == AE_IFDIR)
return;
switch (res->strategy) {
case ARCHIVE_ENTRY_LINKIFY_LIKE_TAR:

View File

@ -68,6 +68,24 @@ static void test_linkify_tar(void)
assertEqualInt(0, archive_entry_size(entry));
/* Dirs should never be matched as hardlinks, regardless. */
archive_entry_set_pathname(entry, "test3");
archive_entry_set_nlink(entry, 2);
archive_entry_set_filetype(entry, AE_IFDIR);
archive_entry_set_ino(entry, 3);
archive_entry_set_hardlink(entry, NULL);
archive_entry_linkify(resolver, &entry, &e2);
/* Shouldn't be altered, since it wasn't seen before. */
assert(e2 == NULL);
assertEqualString("test3", archive_entry_pathname(entry));
assertEqualString(NULL, archive_entry_hardlink(entry));
/* Dir, so it shouldn't get matched. */
archive_entry_linkify(resolver, &entry, &e2);
assert(e2 == NULL);
assertEqualString("test3", archive_entry_pathname(entry));
assertEqualString(NULL, archive_entry_hardlink(entry));
archive_entry_free(entry);
archive_entry_linkresolver_free(resolver);
}