wsutil/wmem/wmem_miscutl.c

   1 /* wmem_miscutl.c
   2  * Wireshark Memory Manager Misc Utilities
   3  * Copyright 2013, Evan Huus <eapache@gmail.com>
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12 #include <string.h>
  13 #include <glib.h>
  14
  15 #include "wmem_core.h"
  16 #include "wmem_miscutl.h"
  17
  18 void *
  19 wmem_memdup(wmem_allocator_t *allocator, const void *source, const size_t size)
  20 {
  21     void *dest;
  22
  23     if (!size)
  24         return NULL;
  25
  26     dest = wmem_alloc(allocator, size);
  27     memcpy(dest, source, size);
  28
  29     return dest;
  30 }
  31
  32 int
  33 wmem_compare_int(const void *a, const void *b)
  34 {
  35     return GPOINTER_TO_INT(a) - GPOINTER_TO_INT(b);
  36 }
  37
  38 int
  39 wmem_compare_uint(const void *a, const void *b)
  40 {
  41     return GPOINTER_TO_UINT(a) > GPOINTER_TO_UINT(b) ? 1 : (GPOINTER_TO_UINT(a) < GPOINTER_TO_UINT(b) ? -1 : 0);
  42 }
  43
  44 /*
  45  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  46  *
  47  * Local variables:
  48  * c-basic-offset: 4
  49  * tab-width: 8
  50  * indent-tabs-mode: nil
  51  * End:
  52  *
  53  * vi: set shiftwidth=4 tabstop=8 expandtab:
  54  * :indentSize=4:tabSize=8:noTabs=true:
  55  */