u-boot/lib/libfdt/fdt_strerror.c

56 lines
1.2 KiB
C
Raw Normal View History

/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
* SPDX-License-Identifier: GPL-2.0+ BSD-2-Clause
*/
#include "libfdt_env.h"
#ifndef USE_HOSTCC
#include <fdt.h>
#include <libfdt.h>
#else
#include "fdt_host.h"
#endif
#include "libfdt_internal.h"
struct fdt_errtabent {
const char *str;
};
#define FDT_ERRTABENT(val) \
[(val)] = { .str = #val, }
static struct fdt_errtabent fdt_errtable[] = {
FDT_ERRTABENT(FDT_ERR_NOTFOUND),
FDT_ERRTABENT(FDT_ERR_EXISTS),
FDT_ERRTABENT(FDT_ERR_NOSPACE),
FDT_ERRTABENT(FDT_ERR_BADOFFSET),
FDT_ERRTABENT(FDT_ERR_BADPATH),
FDT_ERRTABENT(FDT_ERR_BADSTATE),
FDT_ERRTABENT(FDT_ERR_TRUNCATED),
FDT_ERRTABENT(FDT_ERR_BADMAGIC),
FDT_ERRTABENT(FDT_ERR_BADVERSION),
FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
};
#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_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 > -FDT_ERRTABSIZE) {
const char *s = fdt_errtable[-errval].str;
if (s)
return s;
}
return "<unknown error>";
}