throw an error if more than one filename is specified

diff --git a/src/font2swf.c b/src/font2swf.c
index be8134b..3eee844 100644 (file)
--- a/src/font2swf.c
+++ b/src/font2swf.c
@@ -80,6 +80,10 @@ void args_callback_usage(char *name)
 }
 int args_callback_command(char*name,char*val)
 {
+    if(filename) {
+        fprintf(stderr, "Please specify only one font\n");
+        exit(1);
+    }
     filename = name;
     return 0;
 }