[hackers] [sbase] ln: allow dangling symlinks || Eivind Uggedal

[git]

commit 9e04a4fcdc394b82b290b5dc6c825c17340b705f
Author: Eivind Uggedal <eiv...@uggedal.com>
Date:   Fri Jun 5 11:11:09 2015 +0000

    ln: allow dangling symlinks

diff --git a/ln.c b/ln.c
index 6e40c8f..ef3997c 100644
--- a/ln.c
+++ b/ln.c
@@ -65,20 +65,23 @@ main(int argc, char *argv[])
                if (!hastarget)
                        target = basename(*argv);
 
-               if (stat(*argv, &st) < 0) {
-                       weprintf("stat %s:", *argv);
-                       ret = 1;
-                       continue;
-               } else if (fstatat(dirfd, target, &tst, AT_SYMLINK_NOFOLLOW) < 
0) {
-                       if (errno != ENOENT) {
-                               weprintf("fstatat %s %s:", targetdir, target);
+               if (!sflag) {
+                       if (stat(*argv, &st) < 0) {
+                               weprintf("stat %s:", *argv);
+                               ret = 1;
+                               continue;
+                       } else if (fstatat(dirfd, target, &tst, 
AT_SYMLINK_NOFOLLOW) < 0) {
+                               if (errno != ENOENT) {
+                                       weprintf("fstatat %s %s:", targetdir, 
target);
+                                       ret = 1;
+                                       continue;
+                               }
+                       } else if (st.st_dev == tst.st_dev && st.st_ino == 
tst.st_ino) {
+                               weprintf("%s and %s/%s are the same file\n",
+                                               *argv, targetdir, target);
                                ret = 1;
                                continue;
                        }
-               } else if (st.st_dev == tst.st_dev && st.st_ino == tst.st_ino) {
-                       weprintf("%s and %s/%s are the same file\n", *argv, 
targetdir, target);
-                       ret = 1;
-                       continue;
                }
 
                if (fflag && unlinkat(dirfd, target, 0) < 0 && errno != ENOENT) 
{