(main): Better diagnostics.

diff --git a/src/chmod.c b/src/chmod.c
index 6e6bd903c33f5d47264f7e8eba2ad456ae7f6cae..73e210f2d33370df3609602381636bfeb864ce53 100644 (file)
--- a/src/chmod.c
+++ b/src/chmod.c
@@ -310,7 +310,12 @@ main (int argc, char **argv)
        case '-':
        case '=':
          if (modeind != 0 && modeind != thisind)
-           error (1, 0, _("invalid mode"));
+           {
+             static char char_string[2] = {0, 0};
+             char_string[0] = c;
+             error (1, 0, _("invalid character %s in mode string %s"),
+                    quote_n (0, char_string), quote_n (1, argv[thisind]));
+           }
          modeind = thisind;
          break;
        case REFERENCE_FILE_OPTION:
@@ -348,7 +353,7 @@ main (int argc, char **argv)
             : mode_compile (argv[modeind], MODE_MASK_ALL));
 
   if (changes == MODE_INVALID)
-    error (1, 0, _("invalid mode"));
+    error (1, 0, _("invalid mode string: %s"), quote (argv[modeind]));
   else if (changes == MODE_MEMORY_EXHAUSTED)
     xalloc_die ();
   else if (changes == MODE_BAD_REFERENCE)