enet/callbacks.c

   1 /**
   2  @file callbacks.c
   3  @brief ENet callback functions
   4 */
   5 #define ENET_BUILDING_LIB 1
   6 #include "enet/enet.h"
   7
   8 static ENetCallbacks callbacks = { malloc, free, rand };
   9
  10 int
  11 enet_initialize_with_callbacks (ENetVersion version, const ENetCallbacks * inits)
  12 {
  13    if (version != ENET_VERSION)
  14      return -1;
  15
  16    if (inits -> malloc != NULL || inits -> free != NULL)
  17    {
  18       if (inits -> malloc == NULL || inits -> free == NULL)
  19         return -1;
  20
  21       callbacks.malloc = inits -> malloc;
  22       callbacks.free = inits -> free;
  23    }
  24
  25    if (inits -> rand != NULL)
  26      callbacks.rand = inits -> rand;
  27
  28    return enet_initialize ();
  29 }
  30
  31 void *
  32 enet_malloc (size_t size)
  33 {
  34    void * memory = callbacks.malloc (size);
  35
  36    if (memory == NULL)
  37      abort ();
  38
  39    return memory;
  40 }
  41
  42 void
  43 enet_free (void * memory)
  44 {
  45    callbacks.free (memory);
  46 }
  47
  48 int
  49 enet_rand (void)
  50 {
  51    return callbacks.rand ();
  52 }
  53