trivial: misc. trivial refactoring (#4104)

* minor statsd refactoring

* stacktrace refactoring

* spork typos + unused include

* need thread on windows builds

src/spork.h

@@ -11,7 +11,6 @@
 #include <key.h>
 
 #include <unordered_map>
-#include <unordered_set>
 
 class CSporkMessage;
 class CSporkManager;
@@ -192,7 +191,7 @@ public:
             READWRITE(strVersion);
         }
         // we don't serialize pubkey ids because pubkeys should be
-        // hardcoded or be setted with cmdline or options, should
+        // hardcoded or be set with cmdline or options, should
         // not reuse pubkeys from previous dashd run
         LOCK(cs);
         READWRITE(mapSporksByHash);
@@ -284,7 +283,7 @@ public:
      * a spork to be considered active.
      *
      * This value must be at least a majority of the total number of spork
-     * keys, and for obvious resons cannot be larger than that number.
+     * keys, and for obvious reasons cannot be larger than that number.
      */
     bool SetMinSporkKeys(int minSporkKeys);
 

src/stacktraces.cpp

@@ -9,7 +9,6 @@
 #include <stacktraces.h>
 #include <fs.h>
 #include <logging.h>
-#include <random.h>
 #include <streams.h>
 #include <utilstrencodings.h>
 
@@ -17,18 +16,18 @@
 #include <map>
 #include <vector>
 #include <memory>
-#include <thread>
 #include <atomic>
 
 #if WIN32
 #include <windows.h>
 #include <dbghelp.h>
+#include <thread>
 #else
 #ifdef ENABLE_STACKTRACES
 #include <execinfo.h>
 #endif
 #include <unistd.h>
-#include <signal.h>
+#include <csignal>
 #endif
 
 #if !WIN32
@@ -49,7 +48,7 @@
 #include <backtrace.h>
 #endif
 
-#include <string.h>
+#include <cstring>
 
 std::string DemangleSymbol(const std::string& name)
 {
@@ -356,8 +355,8 @@ static std::vector<stackframe_info> GetStackFrameInfos(const std::vector<uint64_
     std::vector<stackframe_info> infos;
     infos.reserve(stackframes.size());
 
-    for (size_t i = 0; i < stackframes.size(); i++) {
-        if (backtrace_pcinfo(GetLibBacktraceState(), stackframes[i], my_backtrace_full_callback, my_backtrace_error_callback, &infos)) {
+    for (uint64_t stackframe : stackframes) {
+        if (backtrace_pcinfo(GetLibBacktraceState(), stackframe, my_backtrace_full_callback, my_backtrace_error_callback, &infos)) {
             break;
         }
     }
@@ -499,9 +498,7 @@ static std::string GetCrashInfoStr(const crash_info& ci, size_t spaces)
     std::vector<std::string> lstrs;
     lstrs.reserve(ci.stackframeInfos.size());
 
-    for (size_t i = 0; i < ci.stackframeInfos.size(); i++) {
-        auto& si = ci.stackframeInfos[i];
-
+    for (const auto& si : ci.stackframeInfos) {
         std::string lstr;
         if (!si.filename.empty()) {
             lstr += fs::path(si.filename).filename().string();

src/stacktraces.h

@@ -11,8 +11,6 @@
 
 #include <cxxabi.h>
 
-#include <tinyformat.h>
-
 std::string DemangleSymbol(const std::string& name);
 
 std::string GetPrettyExceptionStr(const std::exception_ptr& e);

src/statsd_client.cpp

@@ -35,10 +35,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <random.h>
 #include <util.h>
 
-#include <math.h>
-#include <time.h>
-#include <stdlib.h>
-#include <stdio.h>
+#include <cmath>
+#include <cstdio>
 
 statsd::StatsdClient statsClient;
 
@@ -88,7 +86,7 @@ StatsdClient::~StatsdClient()
     // close socket
     CloseSocket(d->sock);
     delete d;
-    d = NULL;
+    d = nullptr;
 }
 
 void StatsdClient::config(const std::string& host, int port, const std::string& ns)

src/statsd_client.h

@@ -53,13 +53,13 @@ class StatsdClient {
 
     protected:
         int init();
-        void cleanup(std::string& key);
+        static void cleanup(std::string& key);
 
     protected:
         struct _StatsdClientData* d;
 };
 
-}; // namespace statsd
+} // namespace statsd
 
 extern statsd::StatsdClient statsClient;