$OpenBSD: patch-unixos_c,v 1.3 2005/10/06 21:09:22 aanriot Exp $
--- unixos.c.orig	Thu Feb 16 22:39:50 1995
+++ unixos.c	Fri Aug  9 02:58:47 2002
@@ -36,7 +36,9 @@
 #define MAXHOSTNAMELEN 64
 #endif
 
+#ifndef errno
 extern int errno;
+#endif
 extern char *malloc();
 extern char *getenv();
 
@@ -89,7 +91,7 @@ char *id;
 	strcpy(buf, getenv("TMPDIR"));
     }
     else {
-	strcpy(buf, "/usr/tmp");
+	strcpy(buf, "/var/tmp");
     }
     strcat(buf, "/m-prts-");
     p = getenv("USER");
@@ -159,6 +161,11 @@ params contentParams;
 
     /* Get rid of leading ~ or ~/ */
     while (*fname == '~' || *fname == '/') fname++;
+
+    /* Debian fix: the loop below handles internal "/../" but not
+     * leading "../" */
+    /* Get rid of leading "../" */
+    while (!strncmp(fname, "../", 3)) fname += 3;
     
     /* Clean out bad characters, create directories along path */
     for (p=fname; *p; p++) {