/* Output a text representation of HEAP to stderr, labelling it with STR. */
void
__heap_dump (struct heap_free_area *heap, const char *str)
{
static smallint recursed;
if (! recursed)
{
__heap_check (heap, str);
recursed = 1;
__malloc_debug_printf (1, "%s: heap @0x%lx:", str, (long)heap);
__heap_dump_freelist (heap);
__malloc_debug_indent (-1);
recursed = 0;
}
}
/* Output a text representation of HEAP to stderr, labelling it with STR. */
void
__heap_dump (struct heap *heap, const char *str)
{
static int recursed = 0;
if (! recursed)
{
__heap_check (heap, str);
recursed = 1;
#ifdef MALLOC_DEBUGGING
__malloc_debug_printf (1, "%s: heap @0x%lx:", str, (long)heap);
#endif
__heap_dump_freelist (heap);
#ifdef MALLOC_DEBUGGING
__malloc_debug_indent (-1);
#endif
recursed = 0;
}
}
void *
malloc (size_t size)
{
void *mem;
#ifdef MALLOC_DEBUGGING
static smallint debugging_initialized;
if (! debugging_initialized)
{
debugging_initialized = 1;
__malloc_debug_init ();
}
if (__malloc_check)
__heap_check (__malloc_heap, "malloc");
#endif
#ifdef __MALLOC_GLIBC_COMPAT__
if (unlikely (size == 0))
size++;
#else
/* Some programs will call malloc (0). Lets be strict and return NULL */
if (unlikely (size == 0))
goto oom;
#endif
/* Check if they are doing something dumb like malloc(-1) */
if (unlikely(((unsigned long)size > (unsigned long)(MALLOC_HEADER_SIZE*-2))))
goto oom;
mem = malloc_from_heap (size, &__malloc_heap, &__malloc_heap_lock);
if (unlikely (!mem))
{
oom:
__set_errno (ENOMEM);
return 0;
}
return mem;
}
