diff options
Diffstat (limited to 'libglusterfs')
-rw-r--r-- | libglusterfs/src/hashfn.c | 11 | ||||
-rw-r--r-- | libglusterfs/src/hashfn.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/libglusterfs/src/hashfn.c b/libglusterfs/src/hashfn.c index 9ef8955a8..d53ecb56a 100644 --- a/libglusterfs/src/hashfn.c +++ b/libglusterfs/src/hashfn.c @@ -33,6 +33,17 @@ #define DM_FULLROUNDS 10 /* 32 is overkill, 16 is strong crypto */ #define DM_PARTROUNDS 6 /* 6 gets complete mixing */ + +uint32_t +ReallySimpleHash (char *path, int len) +{ + uint32_t hash = 0; + for (;len > 0; len--) + hash ^= (char)path[len]; + + return hash; +} + /* This is apparently the "fastest hash function for strings". Written by Paul Hsieh <http://www.azillionmonkeys.com/qed/hash.html> diff --git a/libglusterfs/src/hashfn.h b/libglusterfs/src/hashfn.h index 92481126d..b8adcc6cc 100644 --- a/libglusterfs/src/hashfn.h +++ b/libglusterfs/src/hashfn.h @@ -32,4 +32,6 @@ uint32_t SuperFastHash (const char * data, int32_t len); uint32_t gf_dm_hashfn (const char *msg, int len); +uint32_t +ReallySimpleHash (char *path, int len); #endif /* __HASHFN_H__ */ |