refactor: reduce scope of locals as per the style guide (#22211)

1 files changed, 7 insertions, 12 deletions

diff --git a/src/nvim/message.c b/src/nvim/message.c
index 88f58ef0df..4904bde095 100644
--- a/src/nvim/message.c
+++ b/src/nvim/message.c
@@ -369,14 +369,13 @@ bool msg_attr_keep(const char *s, int attr, bool keep, bool multiline)
 char *msg_strtrunc(char *s, int force)
 {
   char *buf = NULL;
-  int len;
-  int room;
 
   // May truncate message to avoid a hit-return prompt
   if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL)
        && !exmode_active && msg_silent == 0 && !ui_has(kUIMessages))
       || force) {
-    len = vim_strsize(s);
+    int room;
+    int len = vim_strsize(s);
     if (msg_scrolled != 0) {
       // Use all the columns.
       room = (Rows - msg_row) * Columns - 1;
@@ -1033,7 +1032,6 @@ void ex_messages(void *const eap_p)
 {
   const exarg_T *const eap = (const exarg_T *)eap_p;
   struct msg_hist *p;
-  int c = 0;
 
   if (strcmp(eap->arg, "clear") == 0) {
     int keep = eap->addr_count == 0 ? 0 : eap->line2;
@@ -1052,6 +1050,7 @@ void ex_messages(void *const eap_p)
   p = first_msg_hist;
 
   if (eap->addr_count != 0) {
+    int c = 0;
     // Count total messages
     for (; p != NULL && !got_int; p = p->next) {
       c++;
@@ -1542,7 +1541,6 @@ int msg_outtrans_len_attr(const char *msgstr, int len, int attr)
   const char *str = msgstr;
   const char *plain_start = msgstr;
   char *s;
-  int mb_l;
   int c;
   int save_got_int = got_int;
 
@@ -1565,7 +1563,7 @@ int msg_outtrans_len_attr(const char *msgstr, int len, int attr)
   // Normal characters are printed several at a time.
   while (--len >= 0 && !got_int) {
     // Don't include composing chars after the end.
-    mb_l = utfc_ptr2len_len(str, len + 1);
+    int mb_l = utfc_ptr2len_len(str, len + 1);
     if (mb_l > 1) {
       c = utf_ptr2char(str);
       if (vim_isprintc(c)) {
@@ -2652,12 +2650,11 @@ void msg_sb_eol(void)
 static msgchunk_T *disp_sb_line(int row, msgchunk_T *smp)
 {
   msgchunk_T *mp = smp;
-  char *p;
 
   for (;;) {
     msg_row = row;
     msg_col = mp->sb_msg_col;
-    p = mp->sb_text;
+    char *p = mp->sb_text;
     if (*p == '\n') {       // don't display the line break
       p++;
     }
@@ -2767,7 +2764,6 @@ static int do_more_prompt(int typed_char)
   int oldState = State;
   int c;
   int retval = false;
-  int toscroll;
   bool to_redraw = false;
   msgchunk_T *mp_last = NULL;
   msgchunk_T *mp;
@@ -2809,7 +2805,7 @@ static int do_more_prompt(int typed_char)
       c = get_keystroke(resize_events);
     }
 
-    toscroll = 0;
+    int toscroll = 0;
     switch (c) {
     case BS:                    // scroll one line back
     case K_BS:
@@ -3507,7 +3503,6 @@ int do_dialog(int type, char *title, char *message, char *buttons, int dfltbutto
 {
   int retval = 0;
   char *hotkeys;
-  int c;
   int i;
 
   if (silent_mode      // No dialogs in silent mode ("ex -s")
@@ -3530,7 +3525,7 @@ int do_dialog(int type, char *title, char *message, char *buttons, int dfltbutto
 
   for (;;) {
     // Get a typed character directly from the user.
-    c = get_keystroke(NULL);
+    int c = get_keystroke(NULL);
     switch (c) {
     case CAR:                 // User accepts default option
     case NL: