From 2d7c327cbf08a7ebc12df2818289af5d923c48de Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Fri, 25 Nov 2022 13:33:13 +0100
Subject: [PATCH] New function mtime_nl().

---
 data.c | 14 ++++++++++----
 snac.h |  3 ++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/data.c b/data.c
index 1febf7a..bb31096 100644
--- a/data.c
+++ b/data.c
@@ -185,14 +185,20 @@ d_char *user_list(void)
 }
 
 
-double mtime(const char *fn)
-/* returns the mtime of a file or directory, or 0.0 */
+double mtime_nl(const char *fn, int *n_link)
+/* returns the mtime and number of links of a file or directory, or 0.0 */
 {
     struct stat st;
     double r = 0.0;
+    int n = 0;
 
-    if (fn && stat(fn, &st) != -1)
-        r = (double)st.st_mtim.tv_sec;
+    if (fn && stat(fn, &st) != -1) {
+        r = (double) st.st_mtim.tv_sec;
+        n = st.st_nlink;
+    }
+
+    if (*n_link)
+        *n_link = n;
 
     return r;
 }
diff --git a/snac.h b/snac.h
index aad4697..a9c8606 100644
--- a/snac.h
+++ b/snac.h
@@ -50,7 +50,8 @@ int check_password(char *uid, char *passwd, char *hash);
 void srv_archive(char *direction, char *req, char *payload, int p_size,
                  int status, char *headers, char *body, int b_size);
 
-double mtime(const char *fn);
+double mtime_nl(const char *fn, int *n_link);
+#define mtime(fn) mtime_nl(fn, NULL)
 
 int index_add(const char *fn, const char *md5);
 int index_del(const char *fn, const char *md5);