axutil_allocator_init(): unsafe memset() call
---------------------------------------------

                 Key: AXIS2C-1461
                 URL: https://issues.apache.org/jira/browse/AXIS2C-1461
             Project: Axis2-C
          Issue Type: Bug
          Components: util
    Affects Versions: 1.6.0, Current (Nightly)
            Reporter: Olivier Mengué


In axutil_allocator_init(), memset() is called before checking if the malloc() 
call succeed.


36   AXIS2_EXTERN axutil_allocator_t *AXIS2_CALL
37      axutil_allocator_init(
38      axutil_allocator_t * allocator)
39      {
40      if(allocator)
41      return allocator;
42      
43      else
44      {
45      allocator = (axutil_allocator_t *)malloc(sizeof(axutil_allocator_t));
46      memset(allocator, 0, sizeof(axutil_allocator_t));
47      if(allocator)
48      {
49      allocator->malloc_fn = axutil_allocator_malloc_impl;
50      allocator->realloc = axutil_allocator_realloc_impl;
51      allocator->free_fn = axutil_allocator_free_impl;
52      allocator->global_pool_ref = 0;
53      
54      return allocator;
55      }
56      }
57      return NULL;
58      } 

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