OutMessage.Append
parent
75e2706a4b
commit
bb88db68e0
|
@ -15,7 +15,9 @@
|
|||
package buffer
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"log"
|
||||
"reflect"
|
||||
"unsafe"
|
||||
|
||||
"github.com/jacobsa/fuse/internal/fusekernel"
|
||||
|
@ -87,8 +89,16 @@ func (b *OutMessage) GrowNoZero(size uintptr) (p unsafe.Pointer) {
|
|||
|
||||
// Equivalent to growing by the length of p, then copying p over the new
|
||||
// segment. Panics if there is not enough room available.
|
||||
func (b *OutMessage) Append(p []byte) {
|
||||
panic("TODO")
|
||||
func (b *OutMessage) Append(src []byte) {
|
||||
p := b.GrowNoZero(uintptr(len(src)))
|
||||
if p == nil {
|
||||
panic(fmt.Sprintf("Can't grow %d bytes", len(src)))
|
||||
}
|
||||
|
||||
sh := (*reflect.SliceHeader)(unsafe.Pointer(&src))
|
||||
memmove(p, unsafe.Pointer(sh.Data), uintptr(sh.Len))
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Equivalent to growing by the length of s, then copying s over the new
|
||||
|
|
|
@ -20,3 +20,8 @@ import "unsafe"
|
|||
|
||||
// Zero the n bytes starting at p.
|
||||
func memclr(p unsafe.Pointer, n uintptr)
|
||||
|
||||
//go:noescape
|
||||
|
||||
// Copy from src to dst, allowing overlap.
|
||||
func memmove(dst unsafe.Pointer, src unsafe.Pointer, n uintptr)
|
||||
|
|
|
@ -31,3 +31,6 @@
|
|||
|
||||
TEXT ·memclr(SB),NOSPLIT,$0-16
|
||||
JMP runtime·memclr(SB)
|
||||
|
||||
TEXT ·memmove(SB),NOSPLIT,$0-24
|
||||
JMP runtime·memmove(SB)
|
||||
|
|
Loading…
Reference in New Issue