Properly handle hashes and single dots in URI.Update (see https://github.com/kataras/iris/issues/173)

1 files changed, 15 insertions, 0 deletions

diff --git a/bytesconv.go b/bytesconv.go
index 5f39dcc..13ce724 100644
--- a/bytesconv.go
+++ b/bytesconv.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"math"
 	"net"
+	"reflect"
 	"sync"
 	"time"
 	"unsafe"
@@ -360,6 +361,20 @@ func b2s(b []byte) string {
 	return *(*string)(unsafe.Pointer(&b))
 }
 
+// s2b converts string to a byte slice without memory allocation.
+//
+// Note it may break if string and/or slice header will change
+// in the future go versions.
+func s2b(s string) []byte {
+	sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
+	bh := reflect.SliceHeader{
+		Data: sh.Data,
+		Len:  sh.Len,
+		Cap:  sh.Len,
+	}
+	return *(*[]byte)(unsafe.Pointer(&bh))
+}
+
 // AppendQuotedArg appends url-encoded src to dst and returns appended dst.
 func AppendQuotedArg(dst, src []byte) []byte {
 	for _, c := range src {