struct _reent;
extern unsigned long __malloc_trim_threshold;
extern unsigned long __malloc_top_pad;
int _mallopt_r(struct _reent *reent_ptr, int param_number, int value)
{
__malloc_lock(reent_ptr);
switch(param_number)
{
case -1:
__malloc_trim_threshold = value;
__malloc_unlock(reent_ptr);
return 1;
case -2:
__malloc_top_pad = value;
__malloc_unlock(reent_ptr);
return 1;
case -3:
__malloc_unlock(reent_ptr);
return 1;
case -4:
__malloc_unlock(reent_ptr);
return value == 0;
default:
__malloc_unlock(reent_ptr);
return 0;
}
}