Merge branch 'master' into docs

src/vm/main.c

@@ -34,7 +34,7 @@ run_args_t *parse_args(int argc, char **argv)
   args->help       = false;
   args->debug      = false;
 
-  for (size_t i = 0; i < argc; i++)
+  for (int i = 0; i < argc; i++)
   {
     if (argv[i][0] != '-')
       continue;
@@ -50,6 +50,7 @@ run_args_t *parse_args(int argc, char **argv)
     {
       printf("Error: unknown flag '%s'.\n", argv[i]);
       printf("Use 'fz --help' to read the usage\n");
+      free(args);
       return NULL;
     }
   }
@@ -58,6 +59,7 @@ run_args_t *parse_args(int argc, char **argv)
   {
     printf("Error: last argument MUST be a file path\n");
     printf("Use 'fz --help' for help\n");
+    free(args);
     return NULL;
   }
 
@@ -74,6 +76,7 @@ int main(int argc, char **argv)
   else if (args->help)
   {
     print_hint();
+    free(args);
     return 0;
   }
 
@@ -81,6 +84,7 @@ int main(int argc, char **argv)
   if (!vm)
   {
     printf("Error: %s\n", fzl_vm_geterror());
+    free(args);
     return -1;
   }
 
@@ -91,7 +95,12 @@ int main(int argc, char **argv)
     int result = fzl_vm_run(vm);
     if (result != 0)
     {
-      printf("Error: %s\n", fzl_vm_geterror());
+      char *err = fzl_vm_geterror();
+      if (err && err[0])
+        printf("Error: %s\n", err);
+
+      free(args);
+      fzl_freevm(vm);
       return -1;
     }
   }