Fix and update alignment #346 (#701)

* interactive layout alignment rewritten
* interface for new alignment rules
* new alignment dialog box
* user defined layout rules added
* layout rules can be stored in projects, settings, and external files
* Valgrind verification

1 files changed, 4 insertions, 2 deletions

diff --git a/src/fl_draw.cxx b/src/fl_draw.cxx
index 04ebbc6e0..5073d4ee4 100644
--- a/src/fl_draw.cxx
+++ b/src/fl_draw.cxx
@@ -43,15 +43,17 @@ static char* underline_at;
  */
 static const char* expand_text_(const char* from, char*& buf, int maxbuf, double maxw, int& n,
                double &width, int wrap, int draw_symbols) {
-  char* e = buf+(maxbuf-4);
   underline_at = 0;
   double w = 0;
   static int l_local_buff = 500;
   static char *local_buf = (char*)malloc(l_local_buff); // initial buffer allocation
+  char* e;
   if (maxbuf == 0) {
     buf = local_buf;
     e = buf + l_local_buff - 4;
-    }
+  } else {
+    e = buf+(maxbuf-4);
+  }
   char* o = buf;
   char* word_end = o;
   const char* word_start = from;