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1.1
date	2026.05.19.18.38.11;	author spz;	state Exp;
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commitid	5x0jwzSnfR7nhsGG;


desc
@@


1.1
log
@deal with ctype functions faulting on invalid input on NetBSD 11
(by making invalid input less likely)

While at it add LICENSE
@
text
@$NetBSD$

deal with ctype functions faulting on invalid input on NetBSD 11

--- reroute.c.orig	2026-05-16 21:29:09.369380690 +0000
+++ reroute.c
@@@@ -6,7 +6,7 @@@@
  */
 
 #include <string.h>
-#include <ctype.h>
+#include "ctypeconv.h"
 #include "config.h"
 #include "global.h"
 
@@@@ -22,14 +22,14 @@@@ reroute(char *route, char *address)
 	name = atpos;
 
 	while (--name >= address)
-	    if (isspace(*name) || *name == '<') {
+	    if (ISSPACE(*name) || *name == '<') {
 		name++;
 		break;
 	    }
 	if (name < address)
 	    name++;
 
-	for (sp = atpos; (c = *sp); sp++)
+	for (sp = atpos; (c = (unsigned char)(*sp)); sp++)
 	    if (isspace(c) || c == '>')
 		break;
 
@