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/*
* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <string.h>
#include "fmap.h"
const char* FmapFind(const char* ptr, size_t size)
{
size_t i;
FmapHeader *fmap_header;
for (i=0; i<size; i += FMAP_SEARCH_STRIDE, ptr += FMAP_SEARCH_STRIDE) {
if (0 != strncmp(ptr, FMAP_SIGNATURE, FMAP_SIGNATURE_SIZE))
continue;
// Image may have multiple signatures (ex, in code that handles FMAP itself)
// so we do want to check at least major version.
fmap_header = (FmapHeader *)ptr;
if (fmap_header->fmap_ver_major == FMAP_VER_MAJOR)
return ptr;
}
return NULL;
}
int FmapAreaIndex(const FmapHeader* fh, const FmapAreaHeader* ah,
const char* name) {
int i;
for (i = 0; i < fh->fmap_nareas; i++)
if (!strcmp((const char*) ah[i].area_name, name))
return i;
return -1;
}
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