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dynamic map insertion and lookup

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This commit is contained in:
Ginger Bill
2017-02-06 20:23:51 +00:00
parent 9f2d9b596d
commit c126339090
5 changed files with 55 additions and 45 deletions
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core/_preload.odin
+9 -6
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@@ -511,25 +511,27 @@ __dynamic_map_rehash :: proc(using header: Map_Header, new_count: int) {
__dynamic_map_grow(new_header);
}
}
free(header.m);
free_ptr_with_allocator(header.m.hashes.allocator, header.m.hashes.data);
free_ptr_with_allocator(header.m.entries.allocator, header.m.entries.data);
header.m^ = nm;
}
__dynamic_map_get :: proc(h: Map_Header, key: Map_Key) -> rawptr {
index := __dynamic_map_find(h, key).entry_index;
if index >= 0 {
data := cast(^byte)__dynamic_map_get_entry(h, index);
return data + h.value_offset;
val := data + h.value_offset;
return val;
}
return nil;
}
__dynamic_map_set :: proc(using h: Map_Header, key: Map_Key, value: rawptr) {
index: int;
if m.hashes.count == 0 {
__dynamic_map_grow(h);
}
index: int;
fr := __dynamic_map_find(h, key);
if fr.entry_index >= 0 {
index = fr.entry_index;
@@ -544,7 +546,8 @@ __dynamic_map_set :: proc(using h: Map_Header, key: Map_Key, value: rawptr) {
}
{
data := cast(^byte)__dynamic_map_get_entry(h, index);
mem.copy(data+value_offset, value, entry_size-value_offset);
val := data+value_offset;
mem.copy(val, value, entry_size-value_offset);
}
if __dynamic_map_full(h) {
@@ -598,7 +601,7 @@ __dynamic_map_add_entry :: proc(using h: Map_Header, key: Map_Key) -> int {
end.key = key;
end.next = -1;
}
return c;
return prev;
}