Use unique file names for temporary files used for analysis

Author: firewave

README.md

@@ -60,6 +60,7 @@ Deployment.
 - Parse `--xml` output instead of text output. (Contribution by @firewave)
 - Fixed scanning of files with whitespaces in name. (Contribution by @firewave)
 - Only scan files which actually exist. (Contribution by @firewave)
+- Use unique file names for temporary files used for analysis. (Contribution by @firewave)
 
 ### 1.5.1 - 2020-11-12
 

resources/META-INF/plugin.xml

@@ -64,6 +64,7 @@
       - Parse --xml output instead of text output. (Contribution by @firewave)<br/>
       - Fixed scanning of files with whitespaces in name. (Contribution by @firewave)
       - Only scan files which actually exist. (Contribution by @firewave)
+      - Use unique file names for temporary files used for analysis. (Contribution by @firewave)
     ]]>
   </change-notes>
 

src/com/github/johnthagen/cppcheck/CppcheckInspection.java

@@ -13,6 +13,7 @@
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.openapi.wm.StatusBar;
 import com.intellij.psi.PsiFile;
+import org.apache.commons.lang3.RandomStringUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.xml.sax.SAXException;
@@ -55,7 +56,7 @@ public ProblemDescriptor[] checkFile(@NotNull PsiFile file,
 
         File tempFile = null;
         try {
-            tempFile = FileUtil.createTempFile("", vFile.getName(), true);
+            tempFile = FileUtil.createTempFile(RandomStringUtils.randomAlphanumeric(8) + "_", vFile.getName(), true);
             FileUtil.writeToFile(tempFile, document.getText());
             final String cppcheckOutput =
                     CppCheckInspectionImpl.executeCommandOnFile(cppcheckPath, prependIncludeDir(cppcheckOptions, vFile),