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address review issue

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This commit is contained in:
Zeke Lu 2022-09-26 22:49:28 +08:00
parent 51302b36b8
commit ca30bcce45
1 changed files with 3 additions and 4 deletions
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7
src/internal/saferio/io.go
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@ -121,12 +121,11 @@ func SliceCap(v any, c uint64) int {
if typ.Kind() != reflect.Ptr {
panic("SliceCap called with non-pointer type")
}
size := typ.Elem().Size()
total := uintptr(c) * size
if size > 0 && total/size != uintptr(c) {
size := uint64(typ.Elem().Size())
if size > 0 && c > (1<<64-1)/size {
return -1
}
if total > chunk {
if c*size > chunk {
c = uint64(chunk / size)
if c == 0 {
c = 1