minor

string_chunk.c

@@ -40,10 +40,15 @@ fn void releaseStringChunkList(StringArena* a, StringChunkList* list) {
 }
 
 fn String stringChunkToString(Arena* a, StringChunkList list) {
+  return stringChunkToStringWithPadding(a, list, 0);
+}
+
+fn String stringChunkToStringWithPadding(Arena* a, StringChunkList list, u32 extra) {
+  u32 cap = list.total_size + 1 + extra;
   String result = {
     .length = list.total_size,
-    .capacity = list.total_size + 1,
-    .bytes = arenaAllocArray(a, u8, list.total_size+1),
+    .capacity = cap,
+    .bytes = arenaAllocArray(a, u8, cap),
   };
   MemoryZero(result.bytes, result.capacity);
   // copy the string bytes out of the StringChunkList into the correctly-sized String