contrib/mdocml/mandoc_ohash.c

   1 /* $Id: mandoc_ohash.c,v 1.3 2020/06/22 19:20:40 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 "config.h"
  18
  19 #include <sys/types.h>
  20 #include <stddef.h>
  21 #include <stdint.h>
  22 #include <stdlib.h>
  23
  24 #include "mandoc_aux.h"
  25 #include "mandoc_ohash.h"
  26
  27 static  void     *hash_alloc(size_t, void *);
  28 static  void     *hash_calloc(size_t, size_t, void *);
  29 static  void      hash_free(void *, void *);
  30
  31
  32 void
  33 mandoc_ohash_init(struct ohash *h, unsigned int sz, ptrdiff_t ko)
  34 {
  35         struct ohash_info info;
  36
  37         info.alloc = hash_alloc;
  38         info.calloc = hash_calloc;
  39         info.free = hash_free;
  40         info.data = NULL;
  41         info.key_offset = ko;
  42
  43         ohash_init(h, sz, &info);
  44 }
  45
  46 static void *
  47 hash_alloc(size_t sz, void *arg)
  48 {
  49
  50         return mandoc_malloc(sz);
  51 }
  52
  53 static void *
  54 hash_calloc(size_t n, size_t sz, void *arg)
  55 {
  56
  57         return mandoc_calloc(n, sz);
  58 }
  59
  60 static void
  61 hash_free(void *p, void *arg)
  62 {
  63
  64         free(p);
  65 }