Adjust mkioconf so the emitted extern struct cfattach are const.

tweak/ok miod

diff --git a/usr.sbin/config/mkioconf.c b/usr.sbin/config/mkioconf.c
index c173100..0e01cab 100644 (file)
--- a/usr.sbin/config/mkioconf.c
+++ b/usr.sbin/config/mkioconf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mkioconf.c,v 1.38 2019/06/28 13:33:55 deraadt Exp $   */
+/*     $OpenBSD: mkioconf.c,v 1.39 2022/04/07 10:11:27 tb Exp $        */
 /*     $NetBSD: mkioconf.c,v 1.41 1996/11/11 14:18:49 mycroft Exp $    */
 
 /*
@@ -157,7 +157,7 @@ emitexterns(FILE *fp)
        for (da = alldevas; da != NULL; da = da->d_next) {
                if (!deva_has_instances(da, WILD))
                        continue;
-               if (fprintf(fp, "extern struct cfattach %s_ca;\n",
+               if (fprintf(fp, "extern const struct cfattach %s_ca;\n",
                            da->d_name) < 0)
                        return (1);
        }
@@ -383,7 +383,7 @@ struct cfdata cfdata[] = {\n\
                return (1);
        if (fprintf(fp, "    {0},\n    {0},\n    {0},\n    {0},\n") < 0)
                return (1);
-       return (fputs("    {(struct cfattach *)-1}\n};\n", fp) == EOF);
+       return (fputs("    {(const struct cfattach *)-1}\n};\n", fp) == EOF);
 }
 
 /*