use mkstemp().

archivers/zip/patches/patch-fileio_c

@@ -0,0 +1,20 @@
+$OpenBSD: patch-fileio_c,v 1.1 2004/02/06 08:29:24 kevlo Exp $
+--- fileio.c.orig	2004-02-06 16:11:15.000000000 +0000
++++ fileio.c	2004-02-06 16:21:58.000000000 +0000
+@@ -859,7 +859,15 @@ char *zip;              /* path name of 
+   }
+ #else
+   strcat(t, "ziXXXXXX"); /* must use lowercase for Linux dos file system */
+-  return mktemp(t);
++  {
++    int fd = mkstemp(t);
++    if ( fd == -1 ) {
++      perror( "can't create temp file" );
++      exit(1);
++    }
++    close(fd);
++    return t;
++  }
+ #endif /* NO_MKTEMP */
+ #endif /* TANDEM */
+ #endif /* CMS_MVS */