usr/src/cmd/mandoc/mandoc_ohash.c

   1 /*      $Id: mandoc_ohash.c,v 1.2 2015/10/19 18:58:47 schwarze Exp $    */
   2 /*
   3  * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #include <sys/types.h>
  18 #include <stddef.h>
  19 #include <stdint.h>
  20 #include <stdlib.h>
  21
  22 #include "mandoc_aux.h"
  23 #include "mandoc_ohash.h"
  24
  25 static  void     *hash_alloc(size_t, void *);
  26 static  void     *hash_calloc(size_t, size_t, void *);
  27 static  void      hash_free(void *, void *);
  28
  29
  30 void
  31 mandoc_ohash_init(struct ohash *h, unsigned int sz, ptrdiff_t ko)
  32 {
  33         struct ohash_info info;
  34
  35         info.alloc = hash_alloc;
  36         info.calloc = hash_calloc;
  37         info.free = hash_free;
  38         info.data = NULL;
  39         info.key_offset = ko;
  40
  41         ohash_init(h, sz, &info);
  42 }
  43
  44 static void *
  45 hash_alloc(size_t sz, void *arg)
  46 {
  47
  48         return mandoc_malloc(sz);
  49 }
  50
  51 static void *
  52 hash_calloc(size_t n, size_t sz, void *arg)
  53 {
  54
  55         return mandoc_calloc(n, sz);
  56 }
  57
  58 static void
  59 hash_free(void *p, void *arg)
  60 {
  61
  62         free(p);
  63 }