pebble/src/libutil/build_id.c

32 lines
1.1 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "util/build_id.h"
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
bool build_id_contains_gnu_build_id(const ElfExternalNote *note) {
const uint32_t NT_GNU_BUILD_ID = 3;
const char *expected_name = "GNU";
const uint32_t expected_name_length = strlen(expected_name) + 1;
return note->type == NT_GNU_BUILD_ID &&
note->name_length == expected_name_length &&
note->data_length == BUILD_ID_EXPECTED_LEN &&
(strncmp((const char *) note->data, expected_name, expected_name_length) == 0);
}