diff --git a/src/buffer.c b/src/buffer.c
index 5998523..05da286 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -2635,7 +2635,7 @@
 	    continue;
 	msg_putchar('\n');
 	if (buf_spname(buf) != NULL)
-	    STRCPY(NameBuff, buf_spname(buf));
+	    vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1);
 	else
 	    home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE);
 
@@ -3350,7 +3350,7 @@
 	else
 	{
 	    if (buf_spname(curbuf) != NULL)
-		i_name = (char_u *)buf_spname(curbuf);
+		i_name = buf_spname(curbuf);
 	    else		    /* use file name only in icon */
 		i_name = gettail(curbuf->b_ffname);
 	    *i_str = NUL;
@@ -3766,7 +3766,7 @@
 	case STL_FILENAME:
 	    fillable = FALSE;	/* don't change ' ' to fillchar */
 	    if (buf_spname(wp->w_buffer) != NULL)
-		STRCPY(NameBuff, buf_spname(wp->w_buffer));
+		vim_strncpy(NameBuff, buf_spname(wp->w_buffer), MAXPATHL - 1);
 	    else
 	    {
 		t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname
@@ -5244,7 +5244,7 @@
  * Return special buffer name.
  * Returns NULL when the buffer has a normal file name.
  */
-    char *
+    char_u *
 buf_spname(buf)
     buf_T	*buf;
 {
@@ -5263,9 +5263,9 @@
 		goto win_found;
 win_found:
 	if (win != NULL && win->w_llist_ref != NULL)
-	    return _(msg_loclist);
+	    return (char_u *)_(msg_loclist);
 	else
-	    return _(msg_qflist);
+	    return (char_u *)_(msg_qflist);
     }
 #endif
 #ifdef FEAT_QUICKFIX
@@ -5274,12 +5274,12 @@
     if (bt_nofile(buf))
     {
 	if (buf->b_sfname != NULL)
-	    return (char *)buf->b_sfname;
-	return _("[Scratch]");
+	    return buf->b_sfname;
+	return (char_u *)_("[Scratch]");
     }
 #endif
     if (buf->b_fname == NULL)
-	return _("[No Name]");
+	return (char_u *)_("[No Name]");
     return NULL;
 }
 
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index d3bf04f..de190e7 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -1688,8 +1688,7 @@
 	    msg_didout = FALSE;
 	}
 	if (EMSG2(_("E162: No write since last change for buffer \"%s\""),
-		    buf_spname(buf) != NULL ? (char_u *)buf_spname(buf) :
-		    buf->b_fname))
+		    buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname))
 	{
 	    save = no_wait_return;
 	    no_wait_return = FALSE;
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index ebc8b98..311f4f0 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7602,7 +7602,7 @@
 	    msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
 	    msg_putchar(' ');
 	    if (buf_spname(wp->w_buffer) != NULL)
-		STRCPY(IObuff, buf_spname(wp->w_buffer));
+		vim_strncpy(IObuff, buf_spname(wp->w_buffer), IOSIZE - 1);
 	    else
 		home_replace(wp->w_buffer, wp->w_buffer->b_fname,
 							IObuff, IOSIZE, TRUE);
diff --git a/src/memline.c b/src/memline.c
index 2a2426d..fecd876 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -780,9 +780,7 @@
 	need_wait_return = TRUE;	/* call wait_return later */
 	++no_wait_return;
 	(void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
-		    buf_spname(buf) != NULL
-			? (char_u *)buf_spname(buf)
-			: buf->b_fname);
+		    buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname);
 	--no_wait_return;
     }
 
@@ -1315,7 +1313,7 @@
     smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
 
     if (buf_spname(curbuf) != NULL)
-	STRCPY(NameBuff, buf_spname(curbuf));
+	vim_strncpy(NameBuff, buf_spname(curbuf), MAXPATHL - 1);
     else
 	home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
     smsg((char_u *)_("Original file \"%s\""), NameBuff);
diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
index 411c5af..85aedda 100644
--- a/src/proto/buffer.pro
+++ b/src/proto/buffer.pro
@@ -51,7 +51,7 @@
 void do_modelines __ARGS((int flags));
 int read_viminfo_bufferlist __ARGS((vir_T *virp, int writing));
 void write_viminfo_bufferlist __ARGS((FILE *fp));
-char *buf_spname __ARGS((buf_T *buf));
+char_u *buf_spname __ARGS((buf_T *buf));
 void buf_addsign __ARGS((buf_T *buf, int id, linenr_T lnum, int typenr));
 linenr_T buf_change_sign_type __ARGS((buf_T *buf, int markId, int typenr));
 int buf_getsigntype __ARGS((buf_T *buf, linenr_T lnum, int type));
diff --git a/src/screen.c b/src/screen.c
index 92eb232..0e76d8c 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -9876,7 +9876,7 @@
     buf_T	*buf;
 {
     if (buf_spname(buf) != NULL)
-	STRCPY(NameBuff, buf_spname(buf));
+	vim_strncpy(NameBuff, buf_spname(buf), MAXPATHL - 1);
     else
 	home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE);
     trans_characters(NameBuff, MAXPATHL);
diff --git a/src/version.c b/src/version.c
index 38f1324..e0bff53 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    677,
+/**/
     676,
 /**/
     675,