tar: remove bogus check for "-" (we handle it corrently later)

tar: simplify argv handling

function                                             old     new   delta
tar_main                                             772     722     -50

1 files changed, 7 insertions, 12 deletions

diff --git a/archival/tar.c b/archival/tar.c
index 0aa216c39..be59f0441 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -802,7 +802,7 @@ static const char tar_longopts[] ALIGN1 =
 #endif
 
 int tar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int tar_main(int argc, char **argv)
+int tar_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         char (*get_header_ptr)(archive_handle_t *) = get_header_tar;
         archive_handle_t *tar_handle;
@@ -852,6 +852,7 @@ int tar_main(int argc, char **argv)
                 , &verboseFlag // combined count for -t and -v
                 , &verboseFlag // combined count for -t and -v
                 );
+        argv += optind;
 
         if (verboseFlag) tar_handle->action_header = header_verbose_list;
         if (verboseFlag == 1) tar_handle->action_header = header_list;
@@ -897,21 +898,15 @@ int tar_main(int argc, char **argv)
         tar_handle->accept = append_file_list_to_list(tar_handle->accept);
 #endif
 
-        /* Check if we are reading from stdin */
-        if (argv[optind] && *argv[optind] == '-') {
-                /* Default is to read from stdin, so just skip to next arg */
-                optind++;
-        }
-
         /* Setup an array of filenames to work with */
         /* TODO: This is the same as in ar, separate function ? */
-        while (optind < argc) {
+        while (*argv) {
                 /* kill trailing '/' unless the string is just "/" */
-                char *cp = last_char_is(argv[optind], '/');
-                if (cp > argv[optind])
+                char *cp = last_char_is(*argv, '/');
+                if (cp > *argv)
                         *cp = '\0';
-                llist_add_to_end(&tar_handle->accept, argv[optind]);
-                optind++;
+                llist_add_to_end(&tar_handle->accept, *argv);
+                argv++;
         }
 
         if (tar_handle->accept || tar_handle->reject)