Convert NULL to nullptr

tools/exception_port_tool.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 103 matching lines @@
   const char kTargetEquals[] = "target=";
   const char kMaskEquals[] = "mask=";
   const char kBehaviorEquals[] = "behavior=";
   const char kFlavorEquals[] = "flavor=";
   const char kHandlerEquals[] = "handler=";
 
   std::string handler_string(handler_string_ro);
   char* handler_string_c = &handler_string[0];
 
   char* token;
-  while ((token = strsep(&handler_string_c, ",")) != NULL) {
+  while ((token = strsep(&handler_string_c, ",")) != nullptr) {
     if (strncmp(token, kTargetEquals, strlen(kTargetEquals)) == 0) {
       const char* value = token + strlen(kTargetEquals);
       if (strcmp(value, "host") == 0) {
         description->target_type = ExceptionPorts::kTargetTypeHost;
       } else if (strcmp(value, "task") == 0) {
         description->target_type = ExceptionPorts::kTargetTypeTask;
       } else if (strcmp(value, "thread") == 0) {
         description->target_type = ExceptionPorts::kTargetTypeThread;
       } else {
         return false;
@@ skipping 260 matching lines @@
     bool show_host;
     bool show_task;
     bool show_thread;
     bool show_new_host;
     bool show_new_task;
     bool show_new_thread;
     bool numeric;
   } options = {};
 
   const struct option long_options[] = {
-      {"set_handler", required_argument, NULL, kOptionSetPort},
-      {"show_bootstrap", required_argument, NULL, kOptionShowBootstrap},
-      {"pid", required_argument, NULL, kOptionPid},
-      {"show_host", no_argument, NULL, kOptionShowHost},
-      {"show_task", no_argument, NULL, kOptionShowTask},
-      {"show_thread", no_argument, NULL, kOptionShowThread},
-      {"show_new_host", no_argument, NULL, kOptionShowNewHost},
-      {"show_new_task", no_argument, NULL, kOptionShowNewTask},
-      {"show_new_thread", no_argument, NULL, kOptionShowNewThread},
-      {"numeric", no_argument, NULL, kOptionNumeric},
-      {"help", no_argument, NULL, kOptionHelp},
-      {"version", no_argument, NULL, kOptionVersion},
-      {NULL, 0, NULL, 0},
+      {"set_handler", required_argument, nullptr, kOptionSetPort},
+      {"show_bootstrap", required_argument, nullptr, kOptionShowBootstrap},
+      {"pid", required_argument, nullptr, kOptionPid},
+      {"show_host", no_argument, nullptr, kOptionShowHost},
+      {"show_task", no_argument, nullptr, kOptionShowTask},
+      {"show_thread", no_argument, nullptr, kOptionShowThread},
+      {"show_new_host", no_argument, nullptr, kOptionShowNewHost},
+      {"show_new_task", no_argument, nullptr, kOptionShowNewTask},
+      {"show_new_thread", no_argument, nullptr, kOptionShowNewThread},
+      {"numeric", no_argument, nullptr, kOptionNumeric},
+      {"help", no_argument, nullptr, kOptionHelp},
+      {"version", no_argument, nullptr, kOptionVersion},
+      {nullptr, 0, nullptr, 0},
   };
 
   int opt;
-  while ((opt = getopt_long(argc, argv, "+s:p:htHTn", long_options, NULL)) !=
+  while ((opt = getopt_long(argc, argv, "+s:p:htHTn", long_options, nullptr)) !=
          -1) {
     switch (opt) {
       case kOptionSetPort: {
         options.set_handler.push_back({});
         ExceptionHandlerDescription* description = &options.set_handler.back();
         description->target_type = ExceptionPorts::kTargetTypeTask;
         description->mask = EXC_MASK_CRASH;
         description->behavior = EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES;
         description->flavor = THREAD_STATE_NONE;
         description->handler = "NULL";
@@ skipping 36 matching lines @@
       case kOptionNumeric:
         options.numeric = true;
         break;
       case kOptionHelp:
         Usage(me);
         return kExitSuccess;
       case kOptionVersion:
         ToolSupport::Version(me);
         return kExitSuccess;
       default:
-        ToolSupport::UsageHint(me, NULL);
+        ToolSupport::UsageHint(me, nullptr);
         return kExitFailure;
     }
   }
   argc -= optind;
   argv += optind;
 
   if (options.show_bootstrap.empty() && !options.show_host &&
       !options.show_task && !options.show_thread &&
       options.set_handler.empty() && argc == 0) {
     ToolSupport::UsageHint(me, "nothing to do");
@@ skipping 95 matching lines @@
 
   return kExitSuccess;
 }
 
 }  // namespace
 }  // namespace crashpad
 
 int main(int argc, char* argv[]) {
   return crashpad::ExceptionPortToolMain(argc, argv);
 }