| /* |
| * 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; |
| } |