mhl/memory.h

   1 #ifndef __MHL_MEM
   2 #define __MHL_MEM
   3
   4 #include <memory.h>
   5 #include <stdlib.h>
   6
   7 /* allocate a chunk of stack memory, uninitialized */
   8 #define         mhl_mem_alloc_u(sz)     (malloc(sz))
   9
  10 /* allocate a chunk of stack memory, zeroed */
  11 #define         mhl_mem_alloc_z(sz)     (calloc(1,sz))
  12
  13 /* free a chunk of memory from stack, passing NULL does no harm */
  14 static inline void mhl_mem_free(void* ptr)
  15 {
  16     if (ptr) free(ptr);
  17 }
  18
  19 /* free an ptr and NULL it */
  20 #define         MHL_PTR_FREE(ptr)       do { mhl_mem_free(ptr); (ptr) = NULL; } while (0);
  21
  22 /* allocate a chunk on stack - automatically free'd on function exit */
  23 #define         mhl_stack_alloc(sz)     (alloca(sz))
  24
  25 /* re-alloc memory chunk */
  26 #define         mhl_mem_realloc(ptr,sz) (realloc(ptr,sz))
  27
  28 #endif