summaryrefslogtreecommitdiff
path: root/libfdt/fdt_strerror.c
diff options
context:
space:
mode:
Diffstat (limited to 'libfdt/fdt_strerror.c')
-rw-r--r--libfdt/fdt_strerror.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libfdt/fdt_strerror.c b/libfdt/fdt_strerror.c
new file mode 100644
index 0000000..7f231ce
--- /dev/null
+++ b/libfdt/fdt_strerror.c
@@ -0,0 +1,64 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+struct errtabent {
+ const char *str;
+};
+
+#define ERRTABENT(val) \
+ [(val)] = { .str = #val, }
+
+static struct errtabent errtable[] = {
+ ERRTABENT(FDT_ERR_NOTFOUND),
+ ERRTABENT(FDT_ERR_EXISTS),
+ ERRTABENT(FDT_ERR_NOSPACE),
+
+ ERRTABENT(FDT_ERR_BADOFFSET),
+ ERRTABENT(FDT_ERR_BADPATH),
+ ERRTABENT(FDT_ERR_BADSTATE),
+
+ ERRTABENT(FDT_ERR_TRUNCATED),
+ ERRTABENT(FDT_ERR_BADMAGIC),
+ ERRTABENT(FDT_ERR_BADVERSION),
+ ERRTABENT(FDT_ERR_BADSTRUCTURE),
+ ERRTABENT(FDT_ERR_BADLAYOUT),
+};
+#define ERRTABSIZE (sizeof(errtable) / sizeof(errtable[0]))
+
+const char *fdt_strerror(int errval)
+{
+ if (errval > 0)
+ return "<valid offset/length>";
+ else if (errval == 0)
+ return "<no error>";
+ else if (errval > -ERRTABSIZE) {
+ const char *s = errtable[-errval].str;
+
+ if (s)
+ return s;
+ }
+
+ return "<unknown error>";
+}