- new bb_opt_complementally syntax, use [-:?] only - 'free' chars

- new bb_getopt_ulflags features: check max and min args, convert first argv to options special for ar and tar applets
- use bb_default_error_retval for env applet

1 files changed, 4 insertions, 6 deletions

diff --git a/archival/tar.c b/archival/tar.c
index 32e9cbaa6..7cfb495e5 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -690,18 +690,16 @@ int tar_main(int argc, char **argv)
         unsigned long opt;
         unsigned long ctx_flag = 0;
 
-        /* Prepend '-' to the first argument if required */
-        if (argv[1][0] != '-') 
-                argv[1] = bb_xasprintf("-%s", argv[1]);
-
+        
         /* Initialise default values */
         tar_handle = init_handle();
         tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS | ARCHIVE_PRESERVE_DATE | ARCHIVE_EXTRACT_UNCONDITIONAL;
 
+        /* Prepend '-' to the first argument if required */
 #ifdef CONFIG_FEATURE_TAR_CREATE
-        bb_opt_complementally = "?:c?c:t?t:x?x:c~tx:t~cx:x~ct:X*:T*";
+        bb_opt_complementally = "--:-1:X::T::c:t:x:?:c--tx:t--cx:x--ct";
 #else
-        bb_opt_complementally = "?:t?t:x?x:t~x:x~t:X*:T*";
+        bb_opt_complementally = "--:-1:X::T::t:x:?:t--x:x--t";
 #endif
 #ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
         bb_applet_long_options = tar_long_options;