Check return value of freadHEADmaster

git-svn-id: http://svn.cactuscode.org/arrangements/CactusUtils/TerminationTrigger/trunk@17 ec5ace1c-6809-4267-9cad-ed2f0ecfe59c

1 files changed, 3 insertions, 3 deletions

diff --git a/src/file.c b/src/file.c
index 330f0b9..b82a7d9 100644
--- a/src/file.c
+++ b/src/file.c
@@ -84,6 +84,7 @@ void TerminationTrigger_CheckFile (CCTK_ARGUMENTS)
   
   FILE *file;
   int terminate;
+  int num_read;
   
   if (! termination_from_file)
   {
@@ -104,11 +105,10 @@ void TerminationTrigger_CheckFile (CCTK_ARGUMENTS)
   file = fopen (get_termination_file(), "r");
   
   if (file != NULL) {
-    terminate = 0;
-    fscanf (file, "%d", &terminate);
+    num_read = fscanf (file, "%d", &terminate);
     fclose (file);
     
-    if (terminate == 1) {
+    if (num_read == 1 && terminate == 1) {
       CCTK_INFO ("Found termination signal in termination file.  "
                  "Triggering termination...");