X-Git-Url: http://git.madism.org/?a=blobdiff_plain;f=lib-sys%2Funix.c;h=8a1b86017858267505ec6a18deadad01fc98bc13;hb=3e9a92ab72e04aecb0fc4098098a1b57c5101d84;hp=4f189c1045e47206fffcce29204ab5b64fc2133e;hpb=d23094706c228c63c7c7ab8f337fb5dd886c4109;p=apps%2Fmadmutt.git

diff --git a/lib-sys/unix.c b/lib-sys/unix.c
index 4f189c1..8a1b860 100644
--- a/lib-sys/unix.c
+++ b/lib-sys/unix.c
@@ -183,7 +183,7 @@ int getdnsdomainname(char *s, ssize_t n)
 
             trailing_dot = q[-1] == '.';
             if (!trailing_dot || q > p + 1) {
-                m_strncpy(s, n, p, p - q - trailing_dot);
+                m_strncpy(s, n, p, q - trailing_dot - p);
                 safe_fclose(&f);
                 return 0;
             }