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make string clone return where next extra bytes should be written

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Folkert 2022-07-27 22:48:41 +02:00
parent 283539d61a
commit e62a0ee39a
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1 changed files with 4 additions and 3 deletions
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7
crates/compiler/builtins/bitcode/src/str.zig
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@ -2524,6 +2524,7 @@ test "getScalarUnsafe" {
pub fn strCloneTo(
ptr: [*]u8,
offset: usize,
extra_offset: usize,
string: RocStr,
) callconv(.C) usize {
const WIDTH: usize = @sizeOf(RocStr);
@ -2535,7 +2536,7 @@ pub fn strCloneTo(
ptr[offset + i] = array[i];
}
return offset + WIDTH;
return extra_offset;
} else {
const slice = string.asSlice();
@ -2547,8 +2548,8 @@ pub fn strCloneTo(
@memcpy(ptr + offset, &array, WIDTH);
// write the string bytes just after the struct
@memcpy(ptr + offset + WIDTH, slice.ptr, slice.len);
@memcpy(ptr + extra_offset + WIDTH, slice.ptr, slice.len);
return offset + WIDTH + slice.len;
return extra_offset + slice.len;
}
}