Initial QSfera import

Server/vendor/github.com/kovidgoyal/go-shm/utils.go

@@ -0,0 +1,35 @@
+package shm
+
+import (
+	"crypto/rand"
+	"encoding/base32"
+	"fmt"
+	not_rand "math/rand/v2"
+	"strconv"
+	"unsafe"
+)
+
+var _ = fmt.Print
+
+func RandomFilename() string {
+	b := []byte{0, 0, 0, 0, 0, 0, 0, 0}
+	_, err := rand.Read(b)
+	if err != nil {
+		return strconv.FormatUint(uint64(not_rand.Uint32()), 16)
+	}
+	return base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(b)
+}
+
+// Unsafely converts s into a byte slice.
+// If you modify b, then s will also be modified. This violates the
+// property that strings are immutable.
+func UnsafeStringToBytes(s string) (b []byte) {
+	return unsafe.Slice(unsafe.StringData(s), len(s))
+}
+
+// Unsafely converts b into a string.
+// If you modify b, then s will also be modified. This violates the
+// property that strings are immutable.
+func UnsafeBytesToString(b []byte) (s string) {
+	return unsafe.String(unsafe.SliceData(b), len(b))
+}