Module Name: src
Committed By: skrll
Date: Sat Mar 6 13:21:26 UTC 2021
Modified Files:
src/sys/dev/fdt: fdt_ddb.c
Log Message:
Improve fdt_isprint so that it returns false if there are consecutive
zeroes.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/fdt/fdt_ddb.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fdt/fdt_ddb.c
diff -u src/sys/dev/fdt/fdt_ddb.c:1.1 src/sys/dev/fdt/fdt_ddb.c:1.2
--- src/sys/dev/fdt/fdt_ddb.c:1.1 Fri Oct 30 16:08:45 2020
+++ src/sys/dev/fdt/fdt_ddb.c Sat Mar 6 13:21:26 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: fdt_ddb.c,v 1.1 2020/10/30 16:08:45 skrll Exp $ */
+/* $NetBSD: fdt_ddb.c,v 1.2 2021/03/06 13:21:26 skrll Exp $ */
/*-
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fdt_ddb.c,v 1.1 2020/10/30 16:08:45 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fdt_ddb.c,v 1.2 2021/03/06 13:21:26 skrll Exp $");
#include <sys/param.h>
@@ -49,8 +49,16 @@ fdt_isprint(const void *data, int len)
if (len == 0)
return false;
+ /* Count consecutive zeroes */
+ int cz = 0;
for (size_t j = 0; j < len; j++) {
- if (!(isprint(c[j]) || c[j] == '\0'))
+ if (c[j] == '\0')
+ cz++;
+ else if (isprint(c[j]))
+ cz = 0;
+ else
+ return false;
+ if (cz > 1)
return false;
}
return true;
