Fixed small memory when using Util_snprintf().

git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGHIO/IOFlexIO/trunk@337 ebee0441-1374-4afa-a3b5-247f3ba15b9a

3 files changed, 13 insertions, 1 deletions

diff --git a/src/Output.c b/src/Output.c
index f8698d0..34aa648 100644
--- a/src/Output.c
+++ b/src/Output.c
@@ -345,7 +345,9 @@ void IOFlexIO_CheckSteerableParameters (const cGH *GH, flexioGH *myGH)
           }
           else
           {
+            char *tmp = msg;
             Util_asprintf (&msg, "%s, '%s'", msg, fullname);
+            free (tmp);
           }
           free (fullname);
         }
diff --git a/src/Output2D.c b/src/Output2D.c
index 4f1ee8e..0cc6234 100644
--- a/src/Output2D.c
+++ b/src/Output2D.c
@@ -306,7 +306,9 @@ void IOFlexIO_CheckSteerableParameters2D (flexioGH *myGH)
           }
           else
           {
+            char *tmp = msg;
             Util_asprintf (&msg, "%s, '%s'", msg, fullname);
+            free (tmp);
           }
           free (fullname);
         }
diff --git a/src/RestoreFile.c b/src/RestoreFile.c
index 579576a..1867caa 100644
--- a/src/RestoreFile.c
+++ b/src/RestoreFile.c
@@ -404,7 +404,7 @@ static int GetCommonAttributes (cGH *GH, IOFile fid, int unchunked, int *vindex,
   cGroupDynamicData group_dynamic_data;
   CCTK_INT4 grouptype_stored, numtimelevels_stored, timelevel_stored,
             iteration_stored;
-  char *groupname, *msg;
+  char *groupname, *msg, *oldmsg;
   const int *dims;
   int dims_stored[MAXDIM];
   char fullname[512], groupname_stored[512];
@@ -595,16 +595,24 @@ static int GetCommonAttributes (cGH *GH, IOFile fid, int unchunked, int *vindex,
                      fullname, dims_stored[0]);
       for (i = 1; i < group_static_data.dim; i++)
       {
+        oldmsg = msg;
         Util_asprintf (&msg, "%s, %d", msg, dims_stored[i]);
+        free (oldmsg);
       }
       dims = unchunked ? group_dynamic_data.gsh : group_dynamic_data.lsh;
+      oldmsg = msg;
       Util_asprintf (&msg, "%s), expected (%d", msg,
                      dims[group_static_data.dim - 1]);
+      free (oldmsg);
       for (i = 1; i < group_static_data.dim; i++)
       {
+        oldmsg = msg;
         Util_asprintf (&msg, "%s, %d", msg, dims[group_static_data.dim-i-1]);
+        free (oldmsg);
       }
+      oldmsg = msg;
       Util_asprintf (&msg, "%s)", msg);
+      free (oldmsg);
       CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING, msg);
       free (msg);
     }