AuxXxilium/eudev
1
0
Fork 0
mirror of https://github.com/AuxXxilium/eudev.git synced 2024-12-23 17:20:26 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

hashmap: use different version of DJB's hash algorithm that uses shifting instead of multiplication

Browse Source
This commit is contained in:
Lennart Poettering 2011-10-07 21:00:48 +02:00
parent 340047e95d
commit 7dfe96eebc
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/hashmap.c
View File

@ -124,11 +124,13 @@ __attribute__((destructor)) static void cleanup_pool(void) {
#endif
unsigned string_hash_func(const void *p) {
unsigned hash = 0;
const char *c;
unsigned hash = 5381;
const signed char *c;
/* DJB's hash function */
for (c = p; *c; c++)
hash = 31 * hash + (unsigned) *c;
hash = (hash << 5) + hash + (unsigned) *c;
return hash;
}