The Tor Browser: toolkit/crashreporter/google-breakpad/src/processor/address

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 // Copyright (c) 2006, Google Inc.

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     3 //

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    18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

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    30 // address_map-inl.h: Address map implementation.

    31 //

    32 // See address_map.h for documentation.

    33 //

    34 // Author: Mark Mentovai

    36 #ifndef PROCESSOR_ADDRESS_MAP_INL_H__

    37 #define PROCESSOR_ADDRESS_MAP_INL_H__

    39 #include "processor/address_map.h"

    41 #include <assert.h>

    43 #include "common/logging.h"

    45 namespace google_breakpad {

    47 template<typename AddressType, typename EntryType>

    48 bool AddressMap<AddressType, EntryType>::Store(const AddressType &address,

    49                                                const EntryType &entry) {

    50   // Ensure that the specified address doesn't conflict with something already

    51   // in the map.

    52   if (map_.find(address) != map_.end()) {

    53     BPLOG(INFO) << "Store failed, address " << HexString(address) <<

    54                    " is already present";

    55     return false;

    56   }

    58   map_.insert(MapValue(address, entry));

    59   return true;

    60 }

    62 template<typename AddressType, typename EntryType>

    63 bool AddressMap<AddressType, EntryType>::Retrieve(

    64     const AddressType &address,

    65     EntryType *entry, AddressType *entry_address) const {

    66   BPLOG_IF(ERROR, !entry) << "AddressMap::Retrieve requires |entry|";

    67   assert(entry);

    69   // upper_bound gives the first element whose key is greater than address,

    70   // but we want the first element whose key is less than or equal to address.

    71   // Decrement the iterator to get there, but not if the upper_bound already

    72   // points to the beginning of the map - in that case, address is lower than

    73   // the lowest stored key, so return false.

    74   MapConstIterator iterator = map_.upper_bound(address);

    75   if (iterator == map_.begin())

    76     return false;

    77   --iterator;

    79   *entry = iterator->second;

    80   if (entry_address)

    81     *entry_address = iterator->first;

    83   return true;

    84 }

    86 template<typename AddressType, typename EntryType>

    87 void AddressMap<AddressType, EntryType>::Clear() {

    88   map_.clear();

    89 }

    91 }  // namespace google_breakpad

    93 #endif  // PROCESSOR_ADDRESS_MAP_INL_H__

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