Keep within the declared matrix, don't go to (-1,j) when i=0

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@3485 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/xbt/xbt_str.c b/src/xbt/xbt_str.c
index 18fb8ed..ab09f43 100644 (file)
--- a/src/xbt/xbt_str.c
+++ b/src/xbt/xbt_str.c
@@ -372,7 +372,7 @@ static void diff_build_diff(xbt_dynar_t res,
     topush = bprintf("  %s",xbt_dynar_get_as(da,i,char*));
     xbt_dynar_push(res, &topush);
   } else if (j>=0 && 
     topush = bprintf("  %s",xbt_dynar_get_as(da,i,char*));
     xbt_dynar_push(res, &topush);
   } else if (j>=0 && 

-            (i<0 || xbt_matrix_get_as(C,i,j-1,int) >= xbt_matrix_get_as(C,i-1,j,int))) {
+            (i<=0 || xbt_matrix_get_as(C,i,j-1,int) >= xbt_matrix_get_as(C,i-1,j,int))) {

     diff_build_diff(res,C,da,db,i,j-1);
     topush = bprintf("+ %s",xbt_dynar_get_as(db,j,char*));
     xbt_dynar_push(res,&topush);
     diff_build_diff(res,C,da,db,i,j-1);
     topush = bprintf("+ %s",xbt_dynar_get_as(db,j,char*));
     xbt_dynar_push(res,&topush);