[hackers] [sbase] Add support to tar multiple files in a single run || sin

[git]

commit f1261b57d9bd38f7d8b488753e712aad258bd118
Author: sin <s...@2f30.org>
Date:   Tue Apr 21 14:30:11 2015 +0100

    Add support to tar multiple files in a single run

diff --git a/tar.c b/tar.c
index 573dbdb..0f82f15 100644
--- a/tar.c
+++ b/tar.c
@@ -341,7 +341,7 @@ static void
 usage(void)
 {
        eprintf("usage: %s [-C dir] [-j | -z] -x [-m | -t] [-f file]\n"
-               "       %s [-C dir] [-h] -c dir [-f file]\n", argv0, argv0);
+               "       %s [-C dir] [-h] -c dir ... [-f file]\n", argv0, argv0);
 }
 
 int
@@ -379,10 +379,11 @@ main(int argc, char *argv[])
                usage();
        } ARGEND;
 
-       if (!mode || argc != (mode == 'c'))
-               usage();
-       if (mode == 'c' && filtermode)
+       if (!mode)
                usage();
+       if (mode == 'c')
+               if (!argc || filtermode)
+                       usage();
 
        switch (mode) {
        case 'c':
@@ -401,7 +402,8 @@ main(int argc, char *argv[])
                }
                if (chdir(dir) < 0)
                        eprintf("chdir %s:", dir);
-               recurse(argv[0], NULL, &r);
+               for (; *argv; argc--, argv++)
+                       recurse(*argv, NULL, &r);
                break;
        case 't':
        case 'x':