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Unified Diff: third_party/crashpad/crashpad/snapshot/minidump/minidump_simple_string_dictionary_reader.cc

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/snapshot/minidump/minidump_simple_string_dictionary_reader.cc
diff --git a/third_party/crashpad/crashpad/snapshot/minidump/minidump_simple_string_dictionary_reader.cc b/third_party/crashpad/crashpad/snapshot/minidump/minidump_simple_string_dictionary_reader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0d8301c1b300c1e6ce94b21491802f495faa5149
--- /dev/null
+++ b/third_party/crashpad/crashpad/snapshot/minidump/minidump_simple_string_dictionary_reader.cc
@@ -0,0 +1,86 @@
+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// 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 "snapshot/minidump/minidump_simple_string_dictionary_reader.h"
+
+#include <vector>
+#include <utility>
+
+#include "base/logging.h"
+#include "minidump/minidump_extensions.h"
+#include "snapshot/minidump/minidump_string_reader.h"
+
+namespace crashpad {
+namespace internal {
+
+bool ReadMinidumpSimpleStringDictionary(
+ FileReaderInterface* file_reader,
+ const MINIDUMP_LOCATION_DESCRIPTOR& location,
+ std::map<std::string, std::string>* dictionary) {
+ if (location.Rva == 0) {
+ dictionary->clear();
+ return true;
+ }
+
+ if (location.DataSize < sizeof(MinidumpSimpleStringDictionary)) {
+ LOG(ERROR) << "simple_string_dictionary size mismatch";
+ return false;
+ }
+
+ if (!file_reader->SeekSet(location.Rva)) {
+ return false;
+ }
+
+ uint32_t entry_count;
+ if (!file_reader->ReadExactly(&entry_count, sizeof(entry_count))) {
+ return false;
+ }
+
+ if (location.DataSize !=
+ sizeof(MinidumpSimpleStringDictionary) +
+ entry_count * sizeof(MinidumpSimpleStringDictionaryEntry)) {
+ LOG(ERROR) << "simple_string_dictionary size mismatch";
+ return false;
+ }
+
+ std::vector<MinidumpSimpleStringDictionaryEntry> entries(entry_count);
+ if (!file_reader->ReadExactly(&entries[0],
+ entry_count * sizeof(entries[0]))) {
+ return false;
+ }
+
+ std::map<std::string, std::string> local_dictionary;
+ for (const MinidumpSimpleStringDictionaryEntry& entry : entries) {
+ std::string key;
+ if (!ReadMinidumpUTF8String(file_reader, entry.key, &key)) {
+ return false;
+ }
+
+ std::string value;
+ if (!ReadMinidumpUTF8String(file_reader, entry.value, &value)) {
+ return false;
+ }
+
+ if (!local_dictionary.insert(std::make_pair(key, value)).second) {
+ LOG(ERROR) << "duplicate key " << key;
+ return false;
+ }
+ }
+
+ dictionary->swap(local_dictionary);
+ return true;
+}
+
+} // namespace internal
+} // namespace crashpad

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