1 files changed, 52 insertions, 0 deletions

diff --git a/coreutils/ln.c b/coreutils/ln.c
new file mode 100644
index 000000000..3e87b579e
--- /dev/null
+++ b/coreutils/ln.c
@@ -0,0 +1,52 @@
+#include "internal.h"
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <errno.h>
+
+const char      ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
+"\n"
+"\tAdd a new name that refers to the same file as \"original-name\"\n"
+"\n"
+"\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"
+"\t-f:\tRemove existing destination files.\n";
+
+int
+ln_fn(const struct FileInfo * i)
+{
+        int                             status = 0;
+        char                    d[PATH_MAX];
+        const char *    destination = i->destination;
+
+        if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
+                fprintf(stderr, "Please use \"ln -s\" to link directories.\n");
+                return 1;
+        }
+
+        /*
+         * If the destination is a directory, create a file within it.
+         */
+        if ( is_a_directory(i->destination) ) {
+                        destination = join_paths(
+                         d
+                        ,i->destination
+                        ,&i->source[i->directoryLength]);
+        }
+
+        if ( i->force )
+                status = ( unlink(destination) && errno != ENOENT );
+
+        if ( status == 0 ) {
+                if ( i->makeSymbolicLink )
+                        status = symlink(i->source, destination);
+                else
+                        status = link(i->source, destination);
+        }
+
+        if ( status != 0 ) {
+                name_and_error(destination);
+                return 1;
+        }
+        else
+                return 0;
+}