(main): Remove unused "case 0".

(long_options): Standardize on NULL vs 0.

diff --git a/src/du.c b/src/du.c
index a3a368ad2152e0e1b51dc82f605b97c1204368ed..5fd3483fa676d464196cd6d1519ec76760c7774a 100644 (file)
--- a/src/du.c
+++ b/src/du.c
@@ -132,16 +132,16 @@ static struct option const long_options[] =
 {
   {"all", no_argument, NULL, 'a'},
   {"apparent-size", no_argument, NULL, APPARENT_SIZE_OPTION},
-  {"block-size", required_argument, 0, 'B'},
+  {"block-size", required_argument, NULL, 'B'},
   {"bytes", no_argument, NULL, 'b'},
   {"count-links", no_argument, NULL, 'l'},
   {"dereference", no_argument, NULL, 'L'},
   {"dereference-args", no_argument, NULL, 'D'},
-  {"exclude", required_argument, 0, EXCLUDE_OPTION},
-  {"exclude-from", required_argument, 0, 'X'},
-  {"files0-from", required_argument, 0, FILES0_FROM_OPTION},
+  {"exclude", required_argument, NULL, EXCLUDE_OPTION},
+  {"exclude-from", required_argument, NULL, 'X'},
+  {"files0-from", required_argument, NULL, FILES0_FROM_OPTION},
   {"human-readable", no_argument, NULL, 'h'},
-  {"si", no_argument, 0, HUMAN_SI_OPTION},
+  {"si", no_argument, NULL, HUMAN_SI_OPTION},
   {"kilobytes", no_argument, NULL, 'k'}, /* long form is obsolescent */
   {"max-depth", required_argument, NULL, MAX_DEPTH_OPTION},
   {"null", no_argument, NULL, '0'},
@@ -562,9 +562,6 @@ main (int argc, char **argv)
     {
       switch (c)
        {
-       case 0:                 /* Long option. */
-         break;
-
 #if DU_DEBUG
        case 'd':
          fts_debug = true;