diff options
Diffstat (limited to 'vendor/github.com/pelletier/go-toml/v2/internal/danger/danger.go')
| -rw-r--r-- | vendor/github.com/pelletier/go-toml/v2/internal/danger/danger.go | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/vendor/github.com/pelletier/go-toml/v2/internal/danger/danger.go b/vendor/github.com/pelletier/go-toml/v2/internal/danger/danger.go deleted file mode 100644 index e38e1131b..000000000 --- a/vendor/github.com/pelletier/go-toml/v2/internal/danger/danger.go +++ /dev/null @@ -1,65 +0,0 @@ -package danger - -import ( - "fmt" - "reflect" - "unsafe" -) - -const maxInt = uintptr(int(^uint(0) >> 1)) - -func SubsliceOffset(data []byte, subslice []byte) int { - datap := (*reflect.SliceHeader)(unsafe.Pointer(&data)) - hlp := (*reflect.SliceHeader)(unsafe.Pointer(&subslice)) - - if hlp.Data < datap.Data { - panic(fmt.Errorf("subslice address (%d) is before data address (%d)", hlp.Data, datap.Data)) - } - offset := hlp.Data - datap.Data - - if offset > maxInt { - panic(fmt.Errorf("slice offset larger than int (%d)", offset)) - } - - intoffset := int(offset) - - if intoffset > datap.Len { - panic(fmt.Errorf("slice offset (%d) is farther than data length (%d)", intoffset, datap.Len)) - } - - if intoffset+hlp.Len > datap.Len { - panic(fmt.Errorf("slice ends (%d+%d) is farther than data length (%d)", intoffset, hlp.Len, datap.Len)) - } - - return intoffset -} - -func BytesRange(start []byte, end []byte) []byte { - if start == nil || end == nil { - panic("cannot call BytesRange with nil") - } - startp := (*reflect.SliceHeader)(unsafe.Pointer(&start)) - endp := (*reflect.SliceHeader)(unsafe.Pointer(&end)) - - if startp.Data > endp.Data { - panic(fmt.Errorf("start pointer address (%d) is after end pointer address (%d)", startp.Data, endp.Data)) - } - - l := startp.Len - endLen := int(endp.Data-startp.Data) + endp.Len - if endLen > l { - l = endLen - } - - if l > startp.Cap { - panic(fmt.Errorf("range length is larger than capacity")) - } - - return start[:l] -} - -func Stride(ptr unsafe.Pointer, size uintptr, offset int) unsafe.Pointer { - // TODO: replace with unsafe.Add when Go 1.17 is released - // https://github.com/golang/go/issues/40481 - return unsafe.Pointer(uintptr(ptr) + uintptr(int(size)*offset)) -} |
