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Re-work to support size_t max constant for 32/64-bit.

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This commit is contained in:
Dmitri Smirnov 2015-09-22 10:34:21 -07:00
parent 5e8f0a66db
commit 489a3e95d4
3 changed files with 9 additions and 1 deletions
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1
port/port_posix.h
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@ -82,6 +82,7 @@ namespace port {
// For use at db/file_indexer.h kLevelMaxIndex
const int kMaxInt32 = std::numeric_limits<int32_t>::max();
const uint64_t kMaxUint64 = std::numeric_limits<uint64_t>::max();
const size_t kMaxSizet = std::numeric_limits<size_t>::max();
static const bool kLittleEndian = PLATFORM_IS_LITTLE_ENDIAN;
#undef PLATFORM_IS_LITTLE_ENDIAN

7
port/win/port_win.h
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@ -99,6 +99,13 @@ namespace port {
// For use at db/file_indexer.h kLevelMaxIndex
const int kMaxInt32 = INT32_MAX;
const uint64_t kMaxUint64 = UINT64_MAX;
// std::numeric_limits<size_t>::max() is not constexpr just yet
// therefore, use the same limits
#ifdef _WIN64
const size_t kMaxSizet = UINT64_MAX;
#else
const size_t kMaxSizet = UINT_MAX;
#endif
const bool kLittleEndian = true;

2
utilities/write_batch_with_index/write_batch_with_index_internal.h
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@ -31,7 +31,7 @@ struct WriteBatchIndexEntry {
// If this flag appears in the offset, it indicates a key that is smaller
// than any other entry for the same column family
static const size_t kFlagMin = port::kMaxUint64;
static const size_t kFlagMin = port::kMaxSizet;
size_t offset; // offset of an entry in write batch's string buffer.
uint32_t column_family; // column family of the entry