tomFlowee
c63519fa47
The leveldb and univalue 3rd party libraries are not installed and not needed by anyone outside of the Hub. So move them there, making it easier for 3rd party usage.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include <stdio.h>
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#include "port/port.h"
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#include "leveldb/status.h"
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namespace leveldb {
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const char* Status::CopyState(const char* state) {
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uint32_t size;
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memcpy(&size, state, sizeof(size));
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char* result = new char[size + 5];
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memcpy(result, state, size + 5);
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return result;
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}
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Status::Status(Code code, const Slice& msg, const Slice& msg2) {
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assert(code != kOk);
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const uint32_t len1 = msg.size();
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const uint32_t len2 = msg2.size();
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const uint32_t size = len1 + (len2 ? (2 + len2) : 0);
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char* result = new char[size + 5];
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memcpy(result, &size, sizeof(size));
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result[4] = static_cast<char>(code);
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memcpy(result + 5, msg.data(), len1);
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if (len2) {
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result[5 + len1] = ':';
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result[6 + len1] = ' ';
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memcpy(result + 7 + len1, msg2.data(), len2);
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}
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state_ = result;
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}
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std::string Status::ToString() const {
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if (state_ == NULL) {
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return "OK";
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} else {
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char tmp[30];
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const char* type;
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switch (code()) {
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case kOk:
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type = "OK";
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break;
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case kNotFound:
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type = "NotFound: ";
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break;
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case kCorruption:
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type = "Corruption: ";
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break;
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case kNotSupported:
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type = "Not implemented: ";
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break;
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case kInvalidArgument:
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type = "LevelDB: Invalid argument: ";
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break;
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case kIOError:
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type = "IO error: ";
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break;
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default:
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snprintf(tmp, sizeof(tmp), "Unknown code(%d): ",
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static_cast<int>(code()));
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type = tmp;
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break;
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}
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std::string result(type);
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uint32_t length;
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memcpy(&length, state_, sizeof(length));
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result.append(state_ + 5, length);
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return result;
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}
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}
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} // namespace leveldb
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