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Change behaviour for zero-sized value types of array-related types; Fix make behaviour to always zero memory

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This commit is contained in:
gingerBill
2020-04-12 10:41:44 +01:00
parent 5157619eb7
commit 9e698b720f
4 changed files with 60 additions and 115 deletions
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core/mem/alloc.odin
+6 -2
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@@ -111,7 +111,10 @@ make_slice :: inline proc($T: typeid/[]$E, auto_cast len: int, allocator := cont
make_aligned :: proc($T: typeid/[]$E, auto_cast len: int, alignment: int, allocator := context.allocator, loc := #caller_location) -> T {
runtime.make_slice_error_loc(loc, len);
data := alloc(size_of(E)*len, alignment, allocator, loc);
if data == nil do return nil;
if data == nil && size_of(E) != 0 {
return nil;
}
zero(data, size_of(E)*len);
s := Raw_Slice{data, len};
return transmute(T)s;
}
@@ -125,9 +128,10 @@ make_dynamic_array_len_cap :: proc($T: typeid/[dynamic]$E, auto_cast len: int, a
runtime.make_dynamic_array_error_loc(loc, len, cap);
data := alloc(size_of(E)*cap, align_of(E), allocator, loc);
s := Raw_Dynamic_Array{data, len, cap, allocator};
if data == nil {
if data == nil && size_of(E) != 0 {
s.len, s.cap = 0, 0;
}
zero(data, size_of(E)*len);
return transmute(T)s;
}
make_map :: proc($T: typeid/map[$K]$E, auto_cast cap: int = 16, allocator := context.allocator, loc := #caller_location) -> T {