X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fhashtable%2Futils.c;h=850f9e5db3d905be2f83da28221fc18ab6e589cb;hp=0b3d53160e384fa94c43a33a86a9b457b92a66f8;hb=90e535ef0d0433d31e805775f85e4d187b1cf82c;hpb=10a8a2237343699e3923d87e24dbf2d7fe225377 diff --git a/src/common/hashtable/utils.c b/src/common/hashtable/utils.c index 0b3d53160..850f9e5db 100644 --- a/src/common/hashtable/utils.c +++ b/src/common/hashtable/utils.c @@ -1,8 +1,23 @@ /* - * Copyright (C) - Bob Jenkins, May 2006, Public Domain. + * Copyright (C) - Bob Jenkins, May 2006 * Copyright (C) 2011 - David Goulet * Copyright (C) 2011 - Mathieu Desnoyers * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* * These are functions for producing 32-bit hashes for hash table lookup. * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final() are * externally useful functions. Routines to test the hash are included if @@ -33,9 +48,8 @@ * with 12*3 instructions on 3 integers than you can with 3 instructions on 1 * byte), but shoehorning those bytes into integers efficiently is messy. */ - +#define _GNU_SOURCE #include -#include /* attempt to define endianness */ #include /* defines uint32_t etc */ #include /* defines printf for tests */ #include @@ -44,6 +58,8 @@ #include #include "utils.h" +#include /* attempt to define endianness */ +#include /* * My best guess at if you are big-endian or little-endian. This may @@ -434,6 +450,7 @@ static uint32_t __attribute__((unused)) hashlittle(const void *key, /* * Hash function for number value. */ +LTTNG_HIDDEN unsigned long hash_key_ulong(void *_key, unsigned long seed) { union { @@ -454,6 +471,7 @@ unsigned long hash_key_ulong(void *_key, unsigned long seed) /* * Hash function for number value. */ +LTTNG_HIDDEN unsigned long hash_key_ulong(void *_key, unsigned long seed) { uint32_t key = (uint32_t) _key; @@ -465,6 +483,7 @@ unsigned long hash_key_ulong(void *_key, unsigned long seed) /* * Hash function for string. */ +LTTNG_HIDDEN unsigned long hash_key_str(void *key, unsigned long seed) { return hashlittle(key, strlen((char *) key), seed); @@ -473,6 +492,7 @@ unsigned long hash_key_str(void *key, unsigned long seed) /* * Hash function compare for number value. */ +LTTNG_HIDDEN int hash_match_key_ulong(void *key1, void *key2) { if (key1 == key2) { @@ -485,6 +505,7 @@ int hash_match_key_ulong(void *key1, void *key2) /* * Hash compare function for string. */ +LTTNG_HIDDEN int hash_match_key_str(void *key1, void *key2) { if (strcmp(key1, key2) == 0) {