diff options
Diffstat (limited to 'libgnu/hash-triple.c')
-rw-r--r-- | libgnu/hash-triple.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/libgnu/hash-triple.c b/libgnu/hash-triple.c deleted file mode 100644 index f8921618..00000000 --- a/libgnu/hash-triple.c +++ /dev/null @@ -1,77 +0,0 @@ -/* Hash functions for file-related triples: name, device, inode. - Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - 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, see <http://www.gnu.org/licenses/>. */ - -/* written by Jim Meyering */ - -#include <config.h> - -#include "hash-triple.h" - -#include <stdlib.h> -#include <string.h> - -#include "hash-pjw.h" -#include "same.h" -#include "same-inode.h" - -#define STREQ(a, b) (strcmp (a, b) == 0) - -/* 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; - size_t tmp = hash_pjw (p->name, table_size); - - /* Ignoring the device number here should be fine. */ - return (tmp ^ p->st_ino) % table_size; -} - -/* Hash an F_triple, without considering the file name. */ -size_t -triple_hash_no_name (void const *x, size_t table_size) -{ - struct F_triple const *p = x; - - /* Ignoring the device number here should be fine. */ - return p->st_ino % table_size; -} - -/* Compare two F_triple structs. */ -bool -triple_compare (void const *x, void const *y) -{ - struct F_triple const *a = x; - struct F_triple const *b = y; - return (SAME_INODE (*a, *b) && same_name (a->name, b->name)) ? true : false; -} - -bool -triple_compare_ino_str (void const *x, void const *y) -{ - struct F_triple const *a = x; - struct F_triple const *b = y; - return (SAME_INODE (*a, *b) && STREQ (a->name, b->name)) ? true : false; -} - -/* Free an F_triple. */ -void -triple_free (void *x) -{ - struct F_triple *a = x; - free (a->name); - free (a); -} |