consider fgets return value

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1853 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_cgi.c b/src/rrd_cgi.c
index 13b7d06..27b4884 100644 (file)
--- a/src/rrd_cgi.c
+++ b/src/rrd_cgi.c
@@ -1387,7 +1387,8 @@ s_var   **rrdcgiReadVariables(
             length = atoi(ip);
             if ((line = (char *) malloc(length + 2)) == NULL)
                 return NULL;
-            fgets(line, length + 1, stdin);
+            if (fgets(line, length + 1, stdin) == NULL)
+                return NULL;
         } else
             return NULL;
     } else if (cp && !strcmp(cp, "GET")) {