summaryrefslogtreecommitdiff
path: root/gl
diff options
context:
space:
mode:
Diffstat (limited to 'gl')
-rw-r--r--gl/lib/hash-triple.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/gl/lib/hash-triple.c b/gl/lib/hash-triple.c
index dfe2a592d..74b9de80c 100644
--- a/gl/lib/hash-triple.c
+++ b/gl/lib/hash-triple.c
@@ -8,27 +8,18 @@
#include "same.h"
#include "same-inode.h"
-/* Hash an F_triple. */
+/* Hash an F_triple, and *do* consider the file name. */
size_t
triple_hash (void const *x, size_t table_size)
{
struct F_triple const *p = x;
-
- /* Also take the name into account, so that when moving N hard links to the
- same file (all listed on the command line) all into the same directory,
- we don't experience any N^2 behavior. */
- /* FIXME-maybe: is it worth the overhead of doing this
- just to avoid N^2 in such an unusual case? N would have
- to be very large to make the N^2 factor noticable, and
- one would probably encounter a limit on the length of
- a command line before it became a problem. */
size_t tmp = hash_pjw (p->name, table_size);
/* Ignoring the device number here should be fine. */
- return (tmp | p->st_ino) % table_size;
+ return (tmp ^ p->st_ino) % table_size;
}
-/* Hash an F_triple. */
+/* Hash an F_triple, without considering the file name. */
size_t
triple_hash_no_name (void const *x, size_t table_size)
{