patch 8.1.1891: functions used in one file are global
Problem: Functions used in one file are global.
Solution: Add "static". (Yegappan Lakshmanan, closes #4840)
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 77e925d..77d3943 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -20,7 +20,7 @@
static int linelen(int *has_tab);
static void do_filter(linenr_T line1, linenr_T line2, exarg_T *eap, char_u *cmd, int do_in, int do_out);
-
+static int not_writing(void);
static int check_readonly(int *forceit, buf_T *buf);
static void delbuf_msg(char_u *name);
static int help_compare(const void *s1, const void *s2);
@@ -2456,7 +2456,7 @@
* Check the 'write' option.
* Return TRUE and give a message when it's not set.
*/
- int
+ static int
not_writing(void)
{
if (p_write)