Avoid temporary strings on buffer load/reload

Pass directly a Vector<ref_ptr<StringStorage>> to the buffer

1 files changed, 10 insertions, 3 deletions

diff --git a/src/shared_string.hh b/src/shared_string.hh
index 489d9326..b8db3c89 100644
--- a/src/shared_string.hh
+++ b/src/shared_string.hh
@@ -17,14 +17,16 @@ struct StringStorage : UseMemoryDomain<MemoryDomain::SharedString>
 
     StringView strview() const { return {data, length}; }
 
-    static StringStorage* create(StringView str)
+    static StringStorage* create(StringView str, char back = 0)
     {
-        const int len = (int)str.length();
+        const int len = (int)str.length() + (back != 0 ? 1 : 0);
         void* ptr = StringStorage::operator new(sizeof(StringStorage) + len);
         StringStorage* res = reinterpret_cast<StringStorage*>(ptr);
-        memcpy(res->data, str.data(), len);
+        memcpy(res->data, str.data(), (int)str.length());
         res->refcount = 0;
         res->length = len;
+        if (back != 0)
+            res->data[len-1] = back;
         res->data[len] = 0;
         return res;
     }
@@ -38,6 +40,11 @@ struct StringStorage : UseMemoryDomain<MemoryDomain::SharedString>
     friend void dec_ref_count(StringStorage* s) { if (--s->refcount == 0) StringStorage::destroy(s); }
 };
 
+inline ref_ptr<StringStorage> operator""_ss(const char* ptr, size_t len)
+{
+    return StringStorage::create({ptr, (int)len});
+}
+
 class SharedString : public StringView
 {
 public: