[svn:parrot] r48857 - trunk/src/pmc

[nwellnhof at svn.parrot.org]

Author: nwellnhof
Date: Wed Sep  8 15:13:32 2010
New Revision: 48857
URL: https://trac.parrot.org/parrot/changeset/48857

Log:
[pmc] Never allocate empty strings in StringBuilder

Modified:
   trunk/src/pmc/stringbuilder.pmc

Modified: trunk/src/pmc/stringbuilder.pmc
==============================================================================
--- trunk/src/pmc/stringbuilder.pmc	Wed Sep  8 15:07:52 2010	(r48856)
+++ trunk/src/pmc/stringbuilder.pmc	Wed Sep  8 15:13:32 2010	(r48857)
@@ -63,6 +63,9 @@
     VTABLE void init_int(INTVAL initial_size) {
         STRING * const buffer = mem_gc_allocate_zeroed_typed(INTERP, STRING);
 
+        if (initial_size < INITIAL_STRING_CAPACITY)
+            initial_size = INITIAL_STRING_CAPACITY;
+
         buffer->encoding      = Parrot_default_encoding_ptr;
         buffer->_buflen       = initial_size;
         buffer->_bufstart     = buffer->strstart