Changeset 34846 in vbox for trunk/include

Timestamp:

Dec 8, 2010 5:50:25 PM (14 years ago)

Author:

vboxsync

Message:

COM glue: Added a substring constructor to the Bstr class (with optimized memory usage compared to the others).

File:

• trunk/include/VBox/com/string.h (modified) (2 diffs)

trunk/include/VBox/com/string.h

@@ -125 +125 @@
     }
 
+    Bstr(const char *a_pThat, size_t a_cchMax)
+    {
+        copyFromN(a_pThat, a_cchMax);
+    }
+
     ~Bstr()
     {
@@ -389 +394 @@
     }
 
+    /**
+     * Variant of copyFrom for sub-string constructors.
+     *
+     * @param   a_pszSrc            The source string.
+     * @param   a_cchMax            The maximum number of chars (not
+     *                              codepoints) to copy.  If you pass RTSTR_MAX
+     *                              it'll be exactly like copyFrom().
+     * @throws  std::bad_alloc
+     */
+    void copyFromN(const char *a_pszSrc, size_t a_cchSrc);
+
     BSTR m_bstr;