Changeset 531 for trunk/src/gmake/function.c

Timestamp:

Sep 18, 2006, 1:49:49 AM (19 years ago)

Author:

bird

Message:

skip some unnecessary copies and allocations.

File:

• trunk/src/gmake/function.c (modified) (1 diff)

trunk/src/gmake/function.c

@@ -886 +886 @@
     {
       char *result = 0;
-
+#ifdef CONFIG_WITH_VALUE_LENGTH
+      if (len > (unsigned int)var->value_length)
+        {
+          free (var->value);
+          var->value = xmalloc (len + 1);
+        }
+      memcpy (var->value, p, len);
+      var->value[len] = '\0';
+      var->value_length = len;
+#else
       {
-        char save = p[len];
-
-        p[len] = '\0';
-        free (var->value);
-        var->value = (char *) xstrdup ((char*) p);
-        p[len] = save;
+        char save = p[len];
+
+        p[len] = '\0';
+        free (var->value);
+        var->value = (char *) xstrdup ((char*) p);
+        p[len] = save;
       }
+#endif 
 
       result = allocated_variable_expand (body);