Oops, I often call C++ by the wrong name. But while the code was C++, the argument does work for C as well. Here's the C version of the C++ snippets:
HASH* demonstration(void* p)
HASH* hash_ptr = hash_new()
hash_add(hash_ptr, "demo_data", p);
HASH* outer_hash_ptr = hash_new();
hash_add(outer_hash_ptr, "demonstration_data", hash_ptr);
return outer_hash_ptr;
}
and
HASH* demonstration(void* p)
HASH hash;
hash_init(&hash);
hash_add(&hash, "demo_data", p);
HASH* outer_hash_ptr = hash_new();
hash_add(outer_hash_ptr, "demonstration_data", &hash); XXX BUG
return outer_hash_ptr;
}
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