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Merge pull request #4401 from tgolsson/ts/cbor-unmarshal-dynarray

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cbor: fix capacity and ptr calculation for dynarray unmarshal
This commit is contained in:
Laytan
2024-10-20 21:40:05 +02:00
committed by GitHub
parent 9f609dd740 90a0c834bb
commit 7c1922b0a7
1 changed files with 5 additions and 4 deletions
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9
core/encoding/cbor/unmarshal.odin
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@@ -442,9 +442,6 @@ _unmarshal_array :: proc(d: Decoder, v: any, ti: ^reflect.Type_Info, hdr: Header
loc := #caller_location,
) -> (out_of_space: bool, err: Unmarshal_Error) {
for idx: uintptr = 0; length == -1 || idx < uintptr(length); idx += 1 {
elem_ptr := rawptr(uintptr(da.data) + idx*uintptr(elemt.size))
elem := any{elem_ptr, elemt.id}
hdr := _decode_header(d.reader) or_return
// Double size if out of capacity.
@@ -459,6 +456,10 @@ _unmarshal_array :: proc(d: Decoder, v: any, ti: ^reflect.Type_Info, hdr: Header
if !ok { return false, .Out_Of_Memory }
}
// Set ptr after potential resizes to avoid invalidation.
elem_ptr := rawptr(uintptr(da.data) + idx*uintptr(elemt.size))
elem := any{elem_ptr, elemt.id}
err = _unmarshal_value(d, elem, hdr, allocator=allocator, loc=loc)
if length == -1 && err == .Break { break }
if err != nil { return }
@@ -509,7 +510,7 @@ _unmarshal_array :: proc(d: Decoder, v: any, ti: ^reflect.Type_Info, hdr: Header
raw := (^mem.Raw_Dynamic_Array)(v.data)
raw.data = raw_data(data)
raw.len = 0
raw.cap = length
raw.cap = scap
raw.allocator = context.allocator
_ = assign_array(d, raw, t.elem, length) or_return