1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
base / trace_event / memory_allocator_dump_guid.cc [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/trace_event/memory_allocator_dump_guid.h"
#include "base/format_macros.h"
#include "base/hash/sha1.h"
#include "base/numerics/byte_conversions.h"
#include "base/strings/stringprintf.h"
namespace base {
namespace trace_event {
namespace {
uint64_t HashString(const std::string& str) {
SHA1Digest digest = SHA1Hash(base::as_byte_span(str));
return base::U64FromLittleEndian(base::span(digest).first<8u>());
}
} // namespace
MemoryAllocatorDumpGuid::MemoryAllocatorDumpGuid(uint64_t guid) : guid_(guid) {}
MemoryAllocatorDumpGuid::MemoryAllocatorDumpGuid()
: MemoryAllocatorDumpGuid(0u) {
}
MemoryAllocatorDumpGuid::MemoryAllocatorDumpGuid(const std::string& guid_str)
: MemoryAllocatorDumpGuid(HashString(guid_str)) {
}
std::string MemoryAllocatorDumpGuid::ToString() const {
return StringPrintf("%" PRIx64, guid_);
}
} // namespace trace_event
} // namespace base