remove pointer checks before calling free()

ProcessUNIX.c

@@ -359,9 +359,7 @@ void kwsysProcess_Delete(kwsysProcess* cp)
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDIN, 0);
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDOUT, 0);
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDERR, 0);
-  if (cp->CommandExitCodes) {
-    free(cp->CommandExitCodes);
-  }
+  free(cp->CommandExitCodes);
   free(cp->ProcessResults);
   free(cp);
 }
@@ -1514,9 +1512,7 @@ static int kwsysProcessInitialize(kwsysProcess* cp)
   oldForkPIDs = cp->ForkPIDs;
   cp->ForkPIDs = (volatile pid_t*)malloc(sizeof(volatile pid_t) *
                                          (size_t)(cp->NumberOfCommands));
-  if (oldForkPIDs) {
-    kwsysProcessVolatileFree(oldForkPIDs);
-  }
+  kwsysProcessVolatileFree(oldForkPIDs);
   if (!cp->ForkPIDs) {
     return 0;
   }
@@ -1524,9 +1520,7 @@ static int kwsysProcessInitialize(kwsysProcess* cp)
     cp->ForkPIDs[i] = 0; /* can't use memset due to volatile */
   }
 
-  if (cp->CommandExitCodes) {
-    free(cp->CommandExitCodes);
-  }
+  free(cp->CommandExitCodes);
   cp->CommandExitCodes =
     (int*)malloc(sizeof(int) * (size_t)(cp->NumberOfCommands));
   if (!cp->CommandExitCodes) {

ProcessWin32.c

@@ -523,9 +523,7 @@ void kwsysProcess_Delete(kwsysProcess* cp)
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDIN, 0);
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDOUT, 0);
   kwsysProcess_SetPipeFile(cp, kwsysProcess_Pipe_STDERR, 0);
-  if (cp->CommandExitCodes) {
-    free(cp->CommandExitCodes);
-  }
+  free(cp->CommandExitCodes);
   free(cp->ProcessResults);
   free(cp);
 }
@@ -1607,9 +1605,7 @@ int kwsysProcessInitialize(kwsysProcess* cp)
   }
   ZeroMemory(cp->ProcessInformation,
              sizeof(PROCESS_INFORMATION) * cp->NumberOfCommands);
-  if (cp->CommandExitCodes) {
-    free(cp->CommandExitCodes);
-  }
+  free(cp->CommandExitCodes);
   cp->CommandExitCodes = (DWORD*)malloc(sizeof(DWORD) * cp->NumberOfCommands);
   if (!cp->CommandExitCodes) {
     return 0;
@@ -2362,9 +2358,7 @@ static int kwsysProcess_List__New_NT4(kwsysProcess_List* self)
 static void kwsysProcess_List__Delete_NT4(kwsysProcess_List* self)
 {
   /* Free the process information buffer.  */
-  if (self->Buffer) {
-    free(self->Buffer);
-  }
+  free(self->Buffer);
 }
 
 static int kwsysProcess_List__Update_NT4(kwsysProcess_List* self)

testProcess.c

@@ -687,9 +687,7 @@ int main(int argc, const char* argv[])
     fflush(stdout);
     fflush(stderr);
 #if defined(_WIN32)
-    if (argv0) {
-      free(argv0);
-    }
+    free(argv0);
 #endif
     return r;
   } else if (argc > 2 && strcmp(argv[1], "0") == 0) {