updates.

[crypto.git] / lib / silcutil / silcutil.c

diff --git a/lib/silcutil/silcutil.c b/lib/silcutil/silcutil.c
index 6b118ee8a07a0bf2e6dbfd5d723880ba340520d1..2907f2cccdff8c3f2b08cdbe9952ad920d3b831e 100644 (file)
--- a/lib/silcutil/silcutil.c
+++ b/lib/silcutil/silcutil.c
@@ -724,6 +724,11 @@ char *silc_get_username()
 {
   char *logname = NULL;
   
+  if (!getenv("LOGNAME")) {
+    fprintf(stderr, "Error: environment variable $LOGNAME not set\n");
+    return NULL;
+  }
+
   logname = strdup(getenv("LOGNAME"));
   if (!logname) {
     logname = getlogin();