Add apr_file_link() function.

PR 44841.
Patch by Mark Heily <mark heily.com>

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@679630 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 10 insertions, 0 deletions

diff --git a/file_io/unix/copy.c b/file_io/unix/copy.c
index 3a1c59a62..d8c1702d7 100644
--- a/file_io/unix/copy.c
+++ b/file_io/unix/copy.c
@@ -116,3 +116,13 @@ APR_DECLARE(apr_status_t) apr_file_append(const char *from_path,
                                       perms,
                                       pool);
 }
+
+APR_DECLARE(apr_status_t) apr_file_link(const char *from_path, 
+                                          const char *to_path)
+{
+    if (link(from_path, to_path) == -1) {
+        return errno;
+    }
+
+    return APR_SUCCESS;
+}