Style Change: NULL->nullptr

tools/win_dbghelp.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "windows.h"
 #include "win_dbghelp.h"
 #include <process.h>
@@ skipping 27 matching lines @@
 #define MARKER_EXCEPTION_CALLSTACK_STOP "Evaluate expression: 305397763 = 12340003"
 
 // k - print stack
 // ? val - evaluate expression. Used to mark the log file.
 // .ecxr - load exception, if exception was thrown.
 // k - print the resolved stack by .ecxr
 // q - quit cdb.exe
 #define CDB_PRINT_CALLSTACK_CURRENT_THREAD "? " MARKER_THREAD_CALLSTACK_START_NUMBER "; k; ? " MARKER_THREAD_CALLSTACK_STOP_NUMBER "; .ecxr; ? " MARKER_EXCEPTION_CALLSTACK_START_NUMBER "; k; ? " MARKER_EXCEPTION_CALLSTACK_STOP_NUMBER "; q"
 
 static void strncpyOrSetBlank(char* dest, const char* src, size_t len) {
-  const char* srcOrEmptyString = (NULL == src) ? "" : src;
+  const char* srcOrEmptyString = (nullptr == src) ? "" : src;
   strncpy(dest, srcOrEmptyString, len);
 }
 
 char debug_app_name[MAX_PATH] = "";
 void setAppName(const char* app_name) {
     strncpyOrSetBlank(debug_app_name, app_name, sizeof(debug_app_name));
 }
 
 const char* getAppName() {
     return debug_app_name;
@@ skipping 39 matching lines @@
     bool started = false;
     // Not the most performant code, but this will be used only to collect
     // the callstack from a log files, only when the application had failed.
     while (fgets(line, sizeof(line), file)) {
         if (!started && strncmp(start, line, strlen(start)) == 0) {
             started = true;
         } else if (started && strncmp(stop, line, strlen(stop)) == 0) {
             break;
         } else if (started) {
             // Filter messages. Calstack lines contain "exe/dll!function"
-            if (strchr(line, '!') != NULL && strlen(line) > CDB_CALLSTACK_PREFIX) {
+            if (strchr(line, '!') != nullptr && strlen(line) > CDB_CALLSTACK_PREFIX) {
                 printf("%s", line + CDB_CALLSTACK_PREFIX);  // fgets includes \n already.
             }
         }
     }
     fclose(file);
 }
 
 #define BUILD_UNIQUE_FILENAME(var, ext, szPath, szAppName, szVersion, stLocalTime) \
     sprintf(szFileName, "%s%s\\%s-%04d%02d%02d-%02d%02d%02d-%ld-%ld" ext, \
            szPath, szAppName, szVersion, \
@@ skipping 13 matching lines @@
     const char* szVersion = getAppVersion();
     DWORD dwBufferSize = MAX_PATH;
     HANDLE hDumpFile;
     SYSTEMTIME stLocalTime;
     MINIDUMP_EXCEPTION_INFORMATION ExpParam;
 
     GetLocalTime( &stLocalTime );
     GetTempPath( dwBufferSize, szPath );
 
     sprintf( szFileName, "%s%s", szPath, szAppName );
-    CreateDirectory( szFileName, NULL );
+    CreateDirectory( szFileName, nullptr );
 
     BUILD_UNIQUE_FILENAME(szFileName, ".dmp", szPath, szAppName, szVersion, stLocalTime);
     BUILD_UNIQUE_FILENAME(szFileNameOutput, ".out", szPath, szAppName, szVersion, stLocalTime);
 
     hDumpFile = CreateFile(szFileName,
                            GENERIC_READ|GENERIC_WRITE,
                            FILE_SHARE_WRITE|FILE_SHARE_READ,
                            0,
                            CREATE_ALWAYS,
                            0,
                            0);
 
     ExpParam.ThreadId = GetCurrentThreadId();
     ExpParam.ExceptionPointers = pExceptionPointers;
     ExpParam.ClientPointers = TRUE;
 
     bMiniDumpSuccessful = MiniDumpWriteDump(GetCurrentProcess(),
                                             GetCurrentProcessId(),
                                             hDumpFile,
                                             MiniDumpWithDataSegs,
                                             &ExpParam,
-                                            NULL,
-                                            NULL);
+                                            nullptr,
+                                            nullptr);
 
     printf("MiniDump file:    %s\n", szFileName);
     printf("App exe and pdb:  %s\n", getBinariesPath());
 
     const char* cdbExePath = getCdbPath();
     if (cdbExePath && *cdbExePath != '\0') {
         printf("Cdb exe:          %s\n", cdbExePath);
 
         char command[MAX_PATH * 4];
         sprintf(command, "%s -y \"%s\" -i \"%s\" -z \"%s\" -c \"%s\" -kqm >\"%s\"",
@@ skipping 58 matching lines @@
 
     // cdb.exe is the app used to load the minidump which prints the callstack.
     char cdbExePath[MAX_PATH];
 #ifdef _WIN64
     sprintf(cdbExePath, "%s\\x64\\cdb.exe", SK_CDB_PATH);
 #else
     sprintf(cdbExePath, "%s\\cdb.exe", SK_CDB_PATH);
 #endif
     setCdbPath(cdbExePath);
 }