[hackers] [sbase] tar: Remove support for old syntax (we now require '-' to parse flags) || sin

[git]

commit f959be8b713900873bcb9d5a47935b9e6b3b1ca0
Author: sin <s...@2f30.org>
Date:   Mon Jan 26 16:13:01 2015 +0000

    tar: Remove support for old syntax (we now require '-' to parse flags)

diff --git a/tar.c b/tar.c
index 5adf52b..f84d98a 100644
--- a/tar.c
+++ b/tar.c
@@ -271,10 +271,8 @@ xt(int (*fn)(char*, int, char[Blksiz]))
 static void
 usage(void)
 {
-       eprintf("usage: tar [-f tarfile] [-C dir] [-]j|z [-]x[m]|t\n"
-               "       tar [-f tarfile] [-C dir] [-]c dir\n"
-               "       tar [-C dir] cf tarfile dir\n"
-               "       tar [-C dir] j|z x[m]|tf tarfile\n");
+       eprintf("usage: tar [-f tarfile] [-C dir] -j|z -x[m]|t\n"
+               "       tar [-f tarfile] [-C dir] -c dir\n"
 }
 
 int
@@ -312,47 +310,6 @@ main(int argc, char *argv[])
                usage();
        } ARGEND;
 
-       if (!mode) {
-               if (argc < 1)
-                       usage();
-
-               for (ap = argv[0]; *ap; ap++) {
-                       switch (*ap) {
-                       case 'x':
-                       case 'c':
-                       case 't':
-                               if (mode)
-                                       usage();
-                               mode = *ap;
-                               break;
-                       case 'f':
-                               if (argc < 2)
-                                       usage();
-                               argc--, argv++;
-                               file = argv[0];
-                               break;
-                       case 'C':
-                               if (argc < 2)
-                                       usage();
-                               argc--, argv++;
-                               dir = argv[0];
-                               break;
-                       case 'm':
-                               mflag = 1;
-                               break;
-                       case 'j':
-                       case 'z':
-                               if (filtermode)
-                                       usage();
-                               filtermode = *ap;
-                               break;
-                       default:
-                               usage();
-                       }
-               }
-               argc--, argv++;
-       }
-
        if (!mode || argc != (mode == 'c'))
                usage();