null_exec.diff   [plain text]

diff -r -u -N --exclude='*.orig' fetchmail-6.3.11.orig/env.c fetchmail-6.3.11/env.c
--- fetchmail-6.3.11.orig/env.c	2009-06-15 00:09:42.000000000 -0700
+++ fetchmail-6.3.11/env.c	2009-09-25 10:12:33.000000000 -0700
@@ -48,6 +48,12 @@
 	}
     }
 
+    if (argv[0] == NULL)
+    {
+	    fprintf(stderr, "fetchmail: bad program name\n");
+	    exit(PS_UNDEFINED);
+    }
+
     if ((program_name = strrchr(argv[0], '/')) != NULL)
 	++program_name;
     else