1 files changed, 8 insertions, 11 deletions
diff --git a/src/base/string/makef.c b/src/base/string/makef.c
index 8fb9c38..1e0d917 100644
--- a/src/base/string/makef.c
+++ b/src/base/string/makef.c
@@ -1,25 +1,22 @@
 #include "internal.h"
 
-// Newf returns a new dynamic string object
+// makef returns a new dynamic string object
 string
-str·makef(const byte *fmt, ...)
+string·makef(byte *fmt, ...)
 {
     vlong  n;
     string s;
     va_list args;
+    char bytes[256];
 
-    va_start(args, fmt);
-    n = vsnprintf(nil, 0, fmt, args);
-    va_end(args);
-
-    s = str·makecap(nil, 0, n);
+    s = string·makecap(nil, 0, arrlen(bytes));
 
     va_start(args, fmt);
-    vsnprintf(s, n + 1, fmt, args);
+    do{
+        n = fmt·vnsprint(bytes, arrlen(bytes), fmt, args);
+        string·append(&s, bytes);
+    }while(n==arrlen(bytes));
     va_end(args);
 
-    Hdr* h = (Hdr*)(s - sizeof(Hdr));
-    h->len = n;
-
     return s;
 }