39 #endif
  40 
  41         return (p);
  42 }
  43 
  44 void
  45 xfree(sysdem_ops_t *ops, void *p, size_t len)
  46 {
  47         if (p == NULL || len == 0)
  48                 return;
  49 
  50         ops->free(p, len);
  51 }
  52 
  53 void *
  54 xrealloc(sysdem_ops_t *ops, void *p, size_t oldsz, size_t newsz)
  55 {
  56         if (newsz == oldsz)
  57                 return (p);
  58 
  59         ASSERT3U(newsz, >, oldsz);
  60 
  61         void *temp = zalloc(ops, newsz);
  62 
  63         if (temp == NULL)
  64                 return (NULL);
  65 
  66         if (oldsz > 0) {
  67                 (void) memcpy(temp, p, oldsz);
  68                 xfree(ops, p, oldsz);
  69         }
  70 
  71         return (temp);
  72 }
  73 
  74 /*ARGSUSED*/
  75 static void
  76 def_free(void *p, size_t len)
  77 {
  78         free(p);
  79 }
  80 
  81 /* BEGIN CSTYLED */
  82 sysdem_ops_t *sysdem_ops_default = &(sysdem_ops_t){
  83         .alloc = malloc,
  84         .free = def_free
  85 };
  86 /* END CSTYLED */

  39 #endif
  40 
  41         return (p);
  42 }
  43 
  44 void
  45 xfree(sysdem_ops_t *ops, void *p, size_t len)
  46 {
  47         if (p == NULL || len == 0)
  48                 return;
  49 
  50         ops->free(p, len);
  51 }
  52 
  53 void *
  54 xrealloc(sysdem_ops_t *ops, void *p, size_t oldsz, size_t newsz)
  55 {
  56         if (newsz == oldsz)
  57                 return (p);
  58 
  59         VERIFY3U(newsz, >, oldsz);
  60 
  61         void *temp = zalloc(ops, newsz);
  62 
  63         if (temp == NULL)
  64                 return (NULL);
  65 
  66         if (oldsz > 0) {
  67                 (void) memcpy(temp, p, oldsz);
  68                 xfree(ops, p, oldsz);
  69         }
  70 
  71         return (temp);
  72 }
  73 
  74 /*ARGSUSED*/
  75 static void
  76 def_free(void *p, size_t len)
  77 {
  78         free(p);
  79 }
  80 
  81 static sysdem_ops_t i_sysdem_ops_default = {

  82         .alloc = malloc,
  83         .free = def_free
  84 };
  85 sysdem_ops_t *sysdem_ops_default = &i_sysdem_ops_default;