Changeset 1617 for trunk/src/kmk/variable.c

Timestamp:

May 12, 2008, 7:07:26 PM (17 years ago)

Author:

bird

Message:

Don't append empty strings to variables. (foo +=)

File:

• trunk/src/kmk/variable.c (modified) (1 diff)

trunk/src/kmk/variable.c

@@ -1601 +1601 @@
   int done_1st_prepend_copy = 0;
 
+  /* Drop empty strings. Use $(NO_SUCH_VARIABLE) if a space is wanted. */
+  if (!value_len)
+      return;
+
   /* adjust the size. */
   if ((unsigned)v->value_alloc_len <= new_value_len + 1)