Add error check for blank first/secondArg

ngn999 · Apr 20, 2016 · 88ecd0b · 88ecd0b
1 parent 2d9dbaf
commit 88ecd0b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Source/class-dump.m b/Source/class-dump.m
@@ -336,13 +336,19 @@ int main(int argc, char *argv[])
                 terminateWithError(1, "Unrecognized additional argument: %s", argv[optind]);
             }
             firstArg = [NSString stringWithFileSystemRepresentation:argv[optind]];
+            if([firstArg length] == 0){
+                terminateWithError(1, "Arguments can not be blank");
+            }
         }
         NSString *secondArg = nil;
         if(optind + 1 < argc ){
             if(!(shouldTranslateCrashDump | shouldTranslateDsym)){
                 terminateWithError(1, "Unrecognized additional argument: %s", argv[optind + 1]);
             }
             secondArg = [NSString stringWithFileSystemRepresentation:argv[optind + 1]];
+            if([secondArg length] == 0){
+                terminateWithError(1, "Arguments can not be blank");
+            }
         }
         if(argc > optind + 2){
             terminateWithError(1, "Unrecognized additional argument: %s", argv[optind + 2]);