1 // Copyright 2010 Google LLC
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28
29 // static_address_map-inl.h: StaticAddressMap implementation.
30 //
31 // See static_address_map.h for documentation.
32 //
33 // Author: Siyang Xie ([email protected])
34
35 #ifndef PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
36 #define PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
37
38 #include "processor/static_address_map.h"
39
40 #include "processor/logging.h"
41
42 namespace google_breakpad {
43
44 template<typename AddressType, typename EntryType>
Retrieve(const AddressType & address,const EntryType * & entry,AddressType * entry_address)45 bool StaticAddressMap<AddressType, EntryType>::Retrieve(
46 const AddressType& address,
47 const EntryType*& entry, AddressType* entry_address) const {
48
49 // upper_bound gives the first element whose key is greater than address,
50 // but we want the first element whose key is less than or equal to address.
51 // Decrement the iterator to get there, but not if the upper_bound already
52 // points to the beginning of the map - in that case, address is lower than
53 // the lowest stored key, so return false.
54
55 MapConstIterator iterator = map_.upper_bound(address);
56 if (iterator == map_.begin())
57 return false;
58 --iterator;
59
60 entry = iterator.GetValuePtr();
61 // Make sure AddressType is a copyable basic type
62 if (entry_address)
63 *entry_address = iterator.GetKey();
64
65 return true;
66 }
67
68 } // namespace google_breakpad
69
70 #endif // PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
71