Hash_Table Bug Fixes
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gingerBill
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40fb44f654
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@ -5,7 +5,7 @@ gb single-file public domain libraries for C & C++
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library | latest version | category | languages | description
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**gb_string.h** | 0.93 | strings | C, C++ | A better string library for C & C++
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**gb.hpp** | 0.24 | misc | C++11 | (Experimental) A C++11 helper library without STL geared towards game development
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**gb.hpp** | 0.24a | misc | C++11 | (Experimental) A C++11 helper library without STL geared towards game development
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**gb_math.hpp** | 0.02b | math | C++11 | A C++11 math library geared towards game development
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**gb_ini.h** | 0.91 | misc | C, C++ | A simple ini file loader library for C & C++
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68
gb.hpp
68
gb.hpp
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@ -1,4 +1,4 @@
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// gb.hpp - v0.24 - public domain C++11 helper library - no warranty implied; use at your own risk
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// gb.hpp - v0.24a - public domain C++11 helper library - no warranty implied; use at your own risk
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// (Experimental) A C++11 helper library without STL geared towards game development
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/*
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@ -954,13 +954,13 @@ struct Temp_Allocator : Allocator
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};
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// Predefined Temp_Allocator sizes to prevent unneeded template instantiation
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template <> using Temp_Allocator64 = Temp_Allocator<64>;
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template <> using Temp_Allocator128 = Temp_Allocator<128>;
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template <> using Temp_Allocator256 = Temp_Allocator<256>;
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template <> using Temp_Allocator512 = Temp_Allocator<512>;
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template <> using Temp_Allocator1024 = Temp_Allocator<1024>;
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template <> using Temp_Allocator2048 = Temp_Allocator<2048>;
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template <> using Temp_Allocator4096 = Temp_Allocator<4096>;
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using Temp_Allocator64 = Temp_Allocator<64>;
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using Temp_Allocator128 = Temp_Allocator<128>;
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using Temp_Allocator256 = Temp_Allocator<256>;
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using Temp_Allocator512 = Temp_Allocator<512>;
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using Temp_Allocator1024 = Temp_Allocator<1024>;
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using Temp_Allocator2048 = Temp_Allocator<2048>;
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using Temp_Allocator4096 = Temp_Allocator<4096>;
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struct Arena_Allocator : Allocator
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{
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@ -1023,6 +1023,8 @@ T* copy_array(T* dest_array, const T* src_array, usize count);
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void* alloc(Allocator* a, usize size, usize align = GB_DEFAULT_ALIGNMENT);
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void dealloc(Allocator* a, const void* ptr);
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s64 allocated_size(Allocator* a, const void* ptr);
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s64 total_allocated(Allocator* a);
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template <typename T>
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inline T* alloc_struct(Allocator* a) { return static_cast<T*>(alloc(a, sizeof(T), alignof(T))); }
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@ -1421,7 +1423,7 @@ Temp_Allocator<BUFFER_SIZE>::Temp_Allocator(Allocator* backing_)
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current_pointer = physical_start = buffer;
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physical_end = physical_start + BUFFER_SIZE;
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*reinterpret_cast<void**>(physical_start) = nullptr;
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current_pointer = memory::pointer_add(current_pointer, sizeof(void*));
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current_pointer = static_cast<u8*>(memory::pointer_add(current_pointer, sizeof(void*)));
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}
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template <usize BUFFER_SIZE>
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@ -1784,8 +1786,8 @@ struct Find_Result
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template <typename T> usize add_entry(Hash_Table<T>* h, u64 key);
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template <typename T> void erase(Hash_Table<T>* h, const Find_Result& fr);
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template <typename T> Find_Result find_result(const Hash_Table<T>& h, u64 key);
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template <typename T> Find_Result find_result(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e);
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template <typename T> Find_Result find_result_from_key(const Hash_Table<T>& h, u64 key);
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template <typename T> Find_Result find_result_from_entry(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e);
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template <typename T> s64 make_entry(Hash_Table<T>* h, u64 key);
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template <typename T> void find_and_erase_entry(Hash_Table<T>* h, u64 key);
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template <typename T> s64 find_entry_or_fail(const Hash_Table<T>& h, u64 key);
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@ -1816,14 +1818,14 @@ erase(Hash_Table<T>* h, const Find_Result& fr)
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else
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h->entries[fr.data_prev].next = h->entries[fr.entry_index].next;
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array::pop(h->entries); // updated array count
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array::pop(&h->entries); // Update array count
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if (fr.entry_index == h->entries.count)
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return;
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h->entries[fr.entry_index] = h->entries[h->entries.count];
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auto last = impl::find_result(h, h->entries[fr.entry_index].key);
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auto last = impl::find_result_from_key(*h, h->entries[fr.entry_index].key);
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if (last.data_prev < 0)
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h->hashes[last.hash_index] = fr.entry_index;
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@ -1833,7 +1835,7 @@ erase(Hash_Table<T>* h, const Find_Result& fr)
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template <typename T>
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Find_Result
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find_result(const Hash_Table<T>& h, u64 key)
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find_result_from_key(const Hash_Table<T>& h, u64 key)
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{
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Find_Result fr;
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fr.hash_index = -1;
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@ -1859,7 +1861,7 @@ find_result(const Hash_Table<T>& h, u64 key)
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template <typename T>
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Find_Result
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find_result(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e)
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find_result_from_entry(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e)
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{
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Find_Result fr;
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fr.hash_index = -1;
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@ -1869,7 +1871,7 @@ find_result(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e)
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if (h.hashes.count == 0 || !e)
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return fr;
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fr.hash_index = key % h.hashes.count;
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fr.hash_index = e->key % h.hashes.count;
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fr.entry_index = h.hashes[fr.hash_index];
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while (fr.entry_index >= 0)
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{
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@ -1886,7 +1888,7 @@ template <typename T>
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s64
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make_entry(Hash_Table<T>* h, u64 key)
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{
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const Find_Result fr = impl::find_result(*h, key);
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const Find_Result fr = impl::find_result_from_key(*h, key);
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const s64 index = impl::add_entry(h, key);
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if (fr.data_prev < 0)
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@ -1903,23 +1905,23 @@ template <typename T>
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void
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find_and_erase_entry(Hash_Table<T>* h, u64 key)
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{
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const Find_Result fr = impl::find_result(h, key);
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const Find_Result fr = impl::find_result_from_key(*h, key);
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if (fr.entry_index >= 0)
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hash_table::erase(h, fr);
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impl::erase(h, fr);
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}
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template <typename T>
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s64
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find_entry_or_fail(const Hash_Table<T>& h, u64 key)
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{
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return impl::find_result(h, key).entry_index;
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return impl::find_result_from_key(h, key).entry_index;
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}
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template <typename T>
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s64
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find_or_make_entry(Hash_Table<T>* h, u64 key)
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{
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const auto fr = find_result(*h, key);
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const auto fr = impl::find_result_from_key(*h, key);
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if (fr.entry_index >= 0)
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return fr.entry_index;
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@ -2091,7 +2093,7 @@ template <typename T>
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inline typename const Hash_Table<T>::Entry*
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find_first(const Hash_Table<T>& h, u64 key)
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{
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const s64 index = multi_hash_table::find_first(h, key);
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const s64 index = hash_table::impl::find_entry_or_fail(h, key);
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if (index < 0)
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return nullptr;
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return &h.entries[index];
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@ -2107,7 +2109,7 @@ find_next(const Hash_Table<T>& h, typename const Hash_Table<T>::Entry* e)
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auto index = e->next;
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while (index >= 0)
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{
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if (h.entries[index].ley == e->key)
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if (h.entries[index].key == e->key)
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return &h.entries[index];
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index = h.entries[index].next;
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}
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@ -2148,7 +2150,7 @@ template <typename T>
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inline void
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remove_entry(Hash_Table<T>* h, typename const Hash_Table<T>::Entry* e)
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{
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const auto fr = hash_table::impl::find_result(h, e);
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const auto fr = hash_table::impl::find_result_from_entry(*h, e);
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if (fr.entry_index >= 0)
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hash_table::impl::erase(h, fr);
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}
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@ -2157,7 +2159,7 @@ template <typename T>
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inline void
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remove_all(Hash_Table<T>* h, u64 key)
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{
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while (hash_table::has(h, key))
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while (hash_table::has(*h, key))
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hash_table::remove(h, key);
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}
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} // namespace multi_hash_table
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@ -2950,6 +2952,21 @@ dealloc(Allocator* a, const void* ptr)
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a->dealloc(ptr);
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}
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inline s64
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allocated_size(Allocator* a, const void* ptr)
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{
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GB_ASSERT(a != nullptr);
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return a->allocated_size(ptr);
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}
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inline s64
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total_allocated(Allocator* a)
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{
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GB_ASSERT(a != nullptr);
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return a->total_allocated();
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}
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////////////////////////////////
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/// ///
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/// String ///
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@ -4074,6 +4091,7 @@ __GB_NAMESPACE_END
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/*
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Version History:
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0.24a - Hash_Table Bug Fixes
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0.24 - More documentation and bug fixes
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0.23 - Move Semantics for Array and Hash_Table
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0.22 - Code rearrangment into namespaces
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