use CM_NULLPTR

1 files changed, 13 insertions, 12 deletions

diff --git a/Source/cmTryRunCommand.cxx b/Source/cmTryRunCommand.cxx
index 19837a7..7b19048 100644
--- a/Source/cmTryRunCommand.cxx
+++ b/Source/cmTryRunCommand.cxx
@@ -124,8 +124,9 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv,
       std::string runOutputContents;
       if (this->Makefile->IsOn("CMAKE_CROSSCOMPILING") &&
           !this->Makefile->IsDefinitionSet("CMAKE_CROSSCOMPILING_EMULATOR")) {
-        this->DoNotRunExecutable(runArgs, argv[3],
-                                 captureRunOutput ? &runOutputContents : 0);
+        this->DoNotRunExecutable(runArgs, argv[3], captureRunOutput
+                                   ? &runOutputContents
+                                   : CM_NULLPTR);
       } else {
         this->RunExecutable(runArgs, &runOutputContents);
       }
@@ -186,9 +187,9 @@ void cmTryRunCommand::RunExecutable(const std::string& runArgs,
     finalCommand += runArgs;
   }
   int timeout = 0;
-  bool worked =
-    cmSystemTools::RunSingleCommand(finalCommand.c_str(), out, out, &retVal, 0,
-                                    cmSystemTools::OUTPUT_NONE, timeout);
+  bool worked = cmSystemTools::RunSingleCommand(
+    finalCommand.c_str(), out, out, &retVal, CM_NULLPTR,
+    cmSystemTools::OUTPUT_NONE, timeout);
   // set the run var
   char retChar[1000];
   if (worked) {
@@ -230,7 +231,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
     this->RunResultVariable + "__TRYRUN_OUTPUT";
   bool error = false;
 
-  if (this->Makefile->GetDefinition(this->RunResultVariable) == 0) {
+  if (this->Makefile->GetDefinition(this->RunResultVariable) == CM_NULLPTR) {
     // if the variables doesn't exist, create it with a helpful error text
     // and mark it as advanced
     std::string comment;
@@ -252,8 +253,8 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
   }
 
   // is the output from the executable used ?
-  if (out != 0) {
-    if (this->Makefile->GetDefinition(internalRunOutputName) == 0) {
+  if (out != CM_NULLPTR) {
+    if (this->Makefile->GetDefinition(internalRunOutputName) == CM_NULLPTR) {
       // if the variables doesn't exist, create it with a helpful error text
       // and mark it as advanced
       std::string comment;
@@ -301,7 +302,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
       comment += " to\n"
                  "   the exit code (in many cases 0 for success), otherwise "
                  "enter \"FAILED_TO_RUN\".\n";
-      if (out != 0) {
+      if (out != CM_NULLPTR) {
         comment += internalRunOutputName;
         comment +=
           "\n   contains the text the executable "
@@ -332,7 +333,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
            << this->Makefile->GetDefinition(this->RunResultVariable)
            << "\"\n     CACHE STRING \"Result from TRY_RUN\" FORCE)\n\n";
 
-      if (out != 0) {
+      if (out != CM_NULLPTR) {
         file << "set( " << internalRunOutputName << " \n     \""
              << this->Makefile->GetDefinition(internalRunOutputName)
              << "\"\n     CACHE STRING \"Output from TRY_RUN\" FORCE)\n\n";
@@ -345,7 +346,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
                                "please set the following cache variables "
                                "appropriately:\n";
     errorMessage += "   " + this->RunResultVariable + " (advanced)\n";
-    if (out != 0) {
+    if (out != CM_NULLPTR) {
       errorMessage += "   " + internalRunOutputName + " (advanced)\n";
     }
     errorMessage += detailsString;
@@ -353,7 +354,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
     return;
   }
 
-  if (out != 0) {
+  if (out != CM_NULLPTR) {
     (*out) = this->Makefile->GetDefinition(internalRunOutputName);
   }
 }