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author | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-08-14 16:20:49 +0200 |
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committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-08-14 16:30:59 +0200 |
commit | ce74799a3c21355b35fed923106d13a0f8133721 (patch) | |
tree | d3ec5179bb80481b599d18c9b7eb08aaafc3f2d2 /src/util.cpp | |
parent | 0e5cff6f2b57546d767b1cb95486fa1754b45034 (diff) | |
parent | 90d4d89230434493c3b1e9174abed2609ba74cf1 (diff) | |
download | bitcoin-ce74799a3c21355b35fed923106d13a0f8133721.tar.xz |
Merge #10483: scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL
90d4d89 scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL (practicalswift)
Pull request description:
Since C++11 the macro `NULL` may be:
* an integer literal with value zero, or
* a prvalue of type `std::nullptr_t`
By using the C++11 keyword `nullptr` we are guaranteed a prvalue of type `std::nullptr_t`.
For a more thorough discussion, see "A name for the null pointer: nullptr" (Sutter &
Stroustrup), http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf
With this patch applied there are no `NULL` macro usages left in the repo:
```
$ git grep NULL -- "*.cpp" "*.h" | egrep -v '(/univalue/|/secp256k1/|/leveldb/|_NULL|NULLDUMMY|torcontrol.*NULL|NULL cert)' | wc -l
0
```
The road towards `nullptr` (C++11) is split into two PRs:
* `NULL` → `nullptr` is handled in PR #10483 (scripted, this PR)
* `0` → `nullptr` is handled in PR #10645 (manual)
Tree-SHA512: 3c395d66f2ad724a8e6fed74b93634de8bfc0c0eafac94e64e5194c939499fefd6e68f047de3083ad0b4eff37df9a8a3a76349aa17d55eabbd8e0412f140a297
Diffstat (limited to 'src/util.cpp')
-rw-r--r-- | src/util.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/util.cpp b/src/util.cpp index b76c173f90..fc75b7ef85 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -144,7 +144,7 @@ public: // Securely erase the memory used by the PRNG RAND_cleanup(); // Shutdown OpenSSL library multithreading support - CRYPTO_set_locking_callback(NULL); + CRYPTO_set_locking_callback(nullptr); // Clear the set of locks now to maintain symmetry with the constructor. ppmutexOpenSSL.reset(); } @@ -173,8 +173,8 @@ static boost::once_flag debugPrintInitFlag = BOOST_ONCE_INIT; * the OS/libc. When the shutdown sequence is fully audited and * tested, explicit destruction of these objects can be implemented. */ -static FILE* fileout = NULL; -static boost::mutex* mutexDebugLog = NULL; +static FILE* fileout = nullptr; +static boost::mutex* mutexDebugLog = nullptr; static std::list<std::string>* vMsgsBeforeOpenLog; static int FileWriteStr(const std::string &str, FILE *fp) @@ -184,7 +184,7 @@ static int FileWriteStr(const std::string &str, FILE *fp) static void DebugPrintInit() { - assert(mutexDebugLog == NULL); + assert(mutexDebugLog == nullptr); mutexDebugLog = new boost::mutex(); vMsgsBeforeOpenLog = new std::list<std::string>; } @@ -194,12 +194,12 @@ void OpenDebugLog() boost::call_once(&DebugPrintInit, debugPrintInitFlag); boost::mutex::scoped_lock scoped_lock(*mutexDebugLog); - assert(fileout == NULL); + assert(fileout == nullptr); assert(vMsgsBeforeOpenLog); fs::path pathDebug = GetDataDir() / "debug.log"; fileout = fsbridge::fopen(pathDebug, "a"); if (fileout) { - setbuf(fileout, NULL); // unbuffered + setbuf(fileout, nullptr); // unbuffered // dump buffered messages from before we opened the log while (!vMsgsBeforeOpenLog->empty()) { FileWriteStr(vMsgsBeforeOpenLog->front(), fileout); @@ -208,7 +208,7 @@ void OpenDebugLog() } delete vMsgsBeforeOpenLog; - vMsgsBeforeOpenLog = NULL; + vMsgsBeforeOpenLog = nullptr; } struct CLogCategoryDesc @@ -344,7 +344,7 @@ int LogPrintStr(const std::string &str) boost::mutex::scoped_lock scoped_lock(*mutexDebugLog); // buffer if we haven't opened the log yet - if (fileout == NULL) { + if (fileout == nullptr) { assert(vMsgsBeforeOpenLog); ret = strTimestamped.length(); vMsgsBeforeOpenLog->push_back(strTimestamped); @@ -355,8 +355,8 @@ int LogPrintStr(const std::string &str) if (fReopenDebugLog) { fReopenDebugLog = false; fs::path pathDebug = GetDataDir() / "debug.log"; - if (fsbridge::freopen(pathDebug,"a",fileout) != NULL) - setbuf(fileout, NULL); // unbuffered + if (fsbridge::freopen(pathDebug,"a",fileout) != nullptr) + setbuf(fileout, nullptr); // unbuffered } ret = FileWriteStr(strTimestamped, fileout); @@ -503,7 +503,7 @@ static std::string FormatException(const std::exception* pex, const char* pszThr { #ifdef WIN32 char pszModule[MAX_PATH] = ""; - GetModuleFileNameA(NULL, pszModule, sizeof(pszModule)); + GetModuleFileNameA(nullptr, pszModule, sizeof(pszModule)); #else const char* pszModule = "bitcoin"; #endif @@ -534,7 +534,7 @@ fs::path GetDefaultDataDir() #else fs::path pathRet; char* pszHome = getenv("HOME"); - if (pszHome == NULL || strlen(pszHome) == 0) + if (pszHome == nullptr || strlen(pszHome) == 0) pathRet = fs::path("/"); else pathRet = fs::path(pszHome); @@ -791,7 +791,7 @@ void ShrinkDebugFile() fclose(file); } } - else if (file != NULL) + else if (file != nullptr) fclose(file); } @@ -800,7 +800,7 @@ fs::path GetSpecialFolderPath(int nFolder, bool fCreate) { char pszPath[MAX_PATH] = ""; - if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate)) + if(SHGetSpecialFolderPathA(nullptr, pszPath, nFolder, fCreate)) { return fs::path(pszPath); } |