(sort_args): Error if option is missing an arg.

diff --git a/src/emacs.c b/src/emacs.c
index 90c66cd6cbeb7aeaa8ac6fd3282bf16a033fd982..4297163dde09072207ffe7306fb29b5eea237e26 100644 (file)
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -1090,6 +1090,8 @@ sort_args (argc, argv)
              {
                options[from] = standard_args[i].nargs;
                priority[from] = standard_args[i].priority;
+               if (from + standard_args[i].nargs >= argc)
+                 fatal ("Option `%s' requires an argument\n", argv[from]);
                from += standard_args[i].nargs;
                goto done;
              }
@@ -1126,6 +1128,8 @@ sort_args (argc, argv)
                     this option uses just one argv element.  */
                  if (equals != 0)
                    options[from] = 0;
+                 if (from + options[from] >= argc)
+                   fatal ("Option `%s' requires an argument\n", argv[from]);
                  from += options[from];
                }
            }