1 /* __simple_nss_hash for testing nss_hash function 2 Copyright (C) 2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _SIMPLE_NSS_HASH_H 20 #define _SIMPLE_NSS_HASH_H 1 21 22 #include <stdint.h> 23 24 /* For testing/benchmarking purposes. Real implementation in 25 nss/nss_hash.c. */ 26 static uint32_t 27 __attribute__ ((unused)) __simple_nss_hash(const void * keyarg,size_t len)28__simple_nss_hash (const void *keyarg, size_t len) 29 { 30 const unsigned char *key; 31 size_t i; 32 uint32_t h = 0; 33 key = keyarg; 34 35 for (i = 0; i < len; ++i) 36 h = *key++ + 65599 * h; 37 38 return h; 39 } 40 41 42 #endif /* simple-nss-hash.h */ 43