diff -urN epic4-1.0.1.orig/source/ctcp.c epic4-1.0.1/source/ctcp.c
--- epic4-1.0.1.orig/source/ctcp.c	2000-12-05 01:11:56.000000000 +0100
+++ epic4-1.0.1/source/ctcp.c	2004-05-12 12:51:18.539497392 +0200
@@ -898,6 +898,8 @@
 
 	/* Make sure that the final \001 doesnt get truncated */
 	len = IRCD_BUFFER_SIZE - (12 + strlen(to));
+	if ((len = IRCD_BUFFER_SIZE - (12 + strlen(to))) < 0)
+		return;
 	putbuf2 = alloca(len);
 
 	if (format)