Don't assume ASCII.

diff --git a/src/du.c b/src/du.c
index 54b321bba5e2745c3a086d9baafc52d5146d15a1..19901b8ba165790f53e376d7651206fae95b4fd6 100644 (file)
--- a/src/du.c
+++ b/src/du.c
@@ -178,17 +178,17 @@ static uintmax_t tot_size = 0;
 static struct option const long_options[] =
 {
   {"all", no_argument, &opt_all, 1},
-  {"block-size", required_argument, 0, 129},
+  {"block-size", required_argument, 0, CHAR_MAX + 2},
   {"bytes", no_argument, NULL, 'b'},
   {"count-links", no_argument, &opt_count_all, 1},
   {"dereference", no_argument, NULL, 'L'},
   {"dereference-args", no_argument, &opt_dereference_arguments, 1},
-  {"exclude", required_argument, 0, 128},
+  {"exclude", required_argument, 0, CHAR_MAX + 1},
   {"exclude-from", required_argument, 0, 'X'},
   {"human-readable", no_argument, NULL, 'h'},
   {"si", no_argument, 0, 'H'},
   {"kilobytes", no_argument, NULL, 'k'},
-  {"max-depth", required_argument, NULL, 13},
+  {"max-depth", required_argument, NULL, CHAR_MAX + 3},
   {"megabytes", no_argument, NULL, 'm'},
   {"one-file-system", no_argument, &opt_one_file_system, 1},
   {"separate-dirs", no_argument, &opt_separate_dirs, 1},
@@ -300,7 +300,7 @@ main (int argc, char **argv)
          output_block_size = 1024;
          break;
 
-       case 13:                /* --max-depth=N */
+       case CHAR_MAX + 3:              /* --max-depth=N */
          if (xstrtol (optarg, NULL, 0, &tmp_long, NULL) != LONGINT_OK
              || tmp_long < 0 || tmp_long > INT_MAX)
            error (1, 0, _("invalid maximum depth `%s'"), optarg);
@@ -342,11 +342,11 @@ main (int argc, char **argv)
            error (1, errno, "%s", optarg);
          break;
 
-       case 128:
+       case CHAR_MAX + 1:
          add_exclude (exclude, optarg);
          break;
 
-       case 129:
+       case CHAR_MAX + 2:
          human_block_size (optarg, 1, &output_block_size);
          break;