Use REFERENCE_FILE_OPTION instead of bare `CHAR_MAX + 1'.

diff --git a/src/chmod.c b/src/chmod.c
index 7febb63dcef4b93c8b23f5d14718295b142849f2..14ad4d5cd5a65fb6f209419361c7a508ea8d0aff 100644 (file)
--- a/src/chmod.c
+++ b/src/chmod.c
@@ -74,13 +74,20 @@ static enum Verbosity verbosity = V_off;
    of this file.  This file must exist.  */
 static char *reference_file;
 
+/* For long options that have no equivalent short option, use a
+   non-character as a pseudo short option, starting with CHAR_MAX + 1.  */
+enum
+{
+  REFERENCE_FILE_OPTION = CHAR_MAX + 1
+};
+
 static struct option const long_options[] =
 {
   {"recursive", no_argument, 0, 'R'},
   {"changes", no_argument, 0, 'c'},
   {"silent", no_argument, 0, 'f'},
   {"quiet", no_argument, 0, 'f'},
-  {"reference", required_argument, 0, CHAR_MAX + 1},
+  {"reference", required_argument, 0, REFERENCE_FILE_OPTION},
   {"verbose", no_argument, 0, 'v'},
   {GETOPT_HELP_OPTION_DECL},
   {GETOPT_VERSION_OPTION_DECL},
@@ -310,7 +317,7 @@ main (int argc, char **argv)
            error (1, 0, _("invalid mode"));
          modeind = thisind;
          break;
-       case CHAR_MAX + 1:
+       case REFERENCE_FILE_OPTION:
          reference_file = optarg;
          break;
        case 'R':