refactor: minimize variable scope and eliminate empty declarations

3 files changed, 4 insertions, 8 deletions

diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c
index a3af51008f..9f0cadd5ce 100644
--- a/src/nvim/api/buffer.c
+++ b/src/nvim/api/buffer.c
@@ -597,12 +597,11 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
   if (start_row == end_row) {
     old_byte = (bcount_t)end_col - start_col;
   } else {
-    const char *bufline;
     old_byte += (bcount_t)strlen(str_at_start) - start_col;
     for (int64_t i = 1; i < end_row - start_row; i++) {
       int64_t lnum = start_row + i;
 
-      bufline = (char *)ml_get_buf(buf, lnum, false);
+      const char *bufline = (char *)ml_get_buf(buf, lnum, false);
       old_byte += (bcount_t)(strlen(bufline))+1;
     }
     old_byte += (bcount_t)end_col+1;
diff --git a/src/nvim/api/deprecated.c b/src/nvim/api/deprecated.c
index d2013c597c..6a41df0aa9 100644
--- a/src/nvim/api/deprecated.c
+++ b/src/nvim/api/deprecated.c
@@ -51,11 +51,10 @@ Integer nvim_buf_get_number(Buffer buffer, Error *err)
   FUNC_API_SINCE(1)
   FUNC_API_DEPRECATED_SINCE(2)
 {
-  Integer rv = 0;
   buf_T *buf = find_buffer_by_handle(buffer, err);
 
   if (!buf) {
-    return rv;
+    return 0;
   }
 
   return buf->b_fnum;
diff --git a/src/nvim/api/tabpage.c b/src/nvim/api/tabpage.c
index 14b6be8eeb..b994d18c43 100644
--- a/src/nvim/api/tabpage.c
+++ b/src/nvim/api/tabpage.c
@@ -102,11 +102,10 @@ void nvim_tabpage_del_var(Tabpage tabpage, String name, Error *err)
 Window nvim_tabpage_get_win(Tabpage tabpage, Error *err)
   FUNC_API_SINCE(1)
 {
-  Window rv = 0;
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
 
   if (!tab || !valid_tabpage(tab)) {
-    return rv;
+    return 0;
   }
 
   if (tab == curtab) {
@@ -130,11 +129,10 @@ Window nvim_tabpage_get_win(Tabpage tabpage, Error *err)
 Integer nvim_tabpage_get_number(Tabpage tabpage, Error *err)
   FUNC_API_SINCE(1)
 {
-  Integer rv = 0;
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
 
   if (!tab) {
-    return rv;
+    return 0;
   }
 
   return tabpage_index(tab);