[hackers] [sbase] ln: allow with one argument || Hiltjo Posthuma

From: <git_AT_suckless.org>
Date: Mon, 21 Jul 2014 17:44:10 +0200

commit 81bb8422a534456d9afe0aa61bb09c94c62f9398
Author: Hiltjo Posthuma <hiltjo_AT_codemadness.org>
Date: Thu Jul 10 21:00:02 2014 +0000

    ln: allow with one argument
    
    Signed-off-by: Hiltjo Posthuma <hiltjo_AT_codemadness.org>

diff --git a/ln.c b/ln.c
index 029bce5..ef0ff79 100644
--- a/ln.c
+++ b/ln.c
_AT_@ -4,19 +4,20 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <string.h>
 #include "util.h"
 
 static void
 usage(void)
 {
- eprintf("usage: %s [-fs] target linkname
", argv0);
+ eprintf("usage: %s [-fs] target [linkname]
", argv0);
 }
 
 int
 main(int argc, char *argv[])
 {
         int (*flink)(const char *, const char *);
- char *fname;
+ char *fname, *to;
         bool sflag = false;
         bool fflag = false;
 
_AT_@ -31,12 +32,24 @@ main(int argc, char *argv[])
                 usage();
         } ARGEND;
 
- flink = sflag ? symlink : link;
- fname = sflag ? "symlink" : "link";
+ if(sflag) {
+ flink = symlink;
+ fname = "symlink";
+ } else {
+ flink = link;
+ fname = "link";
+ }
+
+ if(argc < 2) {
+ if((to = strrchr(argv[0], '/')))
+ to++;
+ } else {
+ to = argv[1];
+ }
 
         if (fflag == true)
                 remove(argv[1]);
- if (flink(argv[0], argv[1]) < 0)
+ if (flink(argv[0], to) < 0)
                 eprintf("%s:", fname);
 
         return EXIT_SUCCESS;
Received on Mon Jul 21 2014 - 17:44:10 CEST