object/header: Refactor

1 files changed, 9 insertions, 14 deletions

diff --git a/object/header/append.go b/object/header/append.go
index d1e98672..d79016a0 100644
--- a/object/header/append.go
+++ b/object/header/append.go
@@ -1,25 +1,20 @@
 package header
 
 import (
+	"slices"
 	"strconv"
 
 	"codeberg.org/lindenii/furgit/object/typ"
 )
 
 // AppendHeader appends a canonical loose-object header ("type size\x00") to dst.
-func AppendHeader(dst []byte, ty typ.Type, size uint64) ([]byte, bool) {
-	tyName, ok := ty.Name()
-	if !ok {
-		return nil, false
-	}
+func AppendHeader(dst []byte, ty typ.Type, size uint64) ([]byte) {
+	tyName := ty.Name()
 
-	sizeStr := strconv.FormatInt(size, 10)
-	out := make([]byte, 0, len(dst)+len(tyName)+len(sizeStr)+2)
-	out = append(out, dst...)
-	out = append(out, tyName...)
-	out = append(out, ' ')
-	out = append(out, sizeStr...)
-	out = append(out, 0)
-
-	return out, true
+	dst = slices.Grow(dst, len(tyName)+1+19+1)
+	dst = append(dst, tyName...)
+	dst = append(dst, ' ')
+	dst = strconv.AppendUint(dst, size, 10)
+	dst = append(dst, 0)
+	return dst
 }