refactor: use `bool` to represent boolean values

3 files changed, 7 insertions, 7 deletions

diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index 81ae208560..f13235c3e9 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -305,7 +305,7 @@ int call_internal_method(const char *const fname, const int argcount, typval_T *
 }
 
 /// @return  true for a non-zero Number and a non-empty String.
-static int non_zero_arg(typval_T *argvars)
+static bool non_zero_arg(typval_T *argvars)
 {
   return ((argvars[0].v_type == VAR_NUMBER
            && argvars[0].vval.v_number != 0)
@@ -2443,7 +2443,7 @@ static void getpos_both(typval_T *argvars, typval_T *rettv, bool getcurpos, bool
                             : (varnumber_T)0));
   tv_list_append_number(l, (fp != NULL) ? (varnumber_T)fp->coladd : (varnumber_T)0);
   if (getcurpos) {
-    const int save_set_curswant = curwin->w_set_curswant;
+    const bool save_set_curswant = curwin->w_set_curswant;
     const colnr_T save_curswant = curwin->w_curswant;
     const colnr_T save_virtcol = curwin->w_virtcol;
 
diff --git a/src/nvim/eval/userfunc.c b/src/nvim/eval/userfunc.c
index cce02e6daf..5e943711d1 100644
--- a/src/nvim/eval/userfunc.c
+++ b/src/nvim/eval/userfunc.c
@@ -928,7 +928,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett
   int tv_to_free_len = 0;
   proftime_T wait_start;
   proftime_T call_start;
-  int started_profiling = false;
+  bool started_profiling = false;
   bool did_save_redo = false;
   save_redo_T save_redo;
 
@@ -3035,7 +3035,7 @@ static inline bool fc_referenced(const funccall_T *const fc)
 
 /// @return true if items in "fc" do not have "copyID".  That means they are not
 /// referenced from anywhere that is in use.
-static int can_free_funccal(funccall_T *fc, int copyID)
+static bool can_free_funccal(funccall_T *fc, int copyID)
 {
   return fc->fc_l_varlist.lv_copyID != copyID
          && fc->fc_l_vars.dv_copyID != copyID
@@ -3048,7 +3048,7 @@ void ex_return(exarg_T *eap)
 {
   char *arg = eap->arg;
   typval_T rettv;
-  int returning = false;
+  bool returning = false;
 
   if (current_funccal == NULL) {
     emsg(_("E133: :return not inside a function"));
@@ -3395,7 +3395,7 @@ end:
 ///
 /// @return  true when the return can be carried out,
 ///          false when the return gets pending.
-int do_return(exarg_T *eap, int reanimate, int is_cmd, void *rettv)
+bool do_return(exarg_T *eap, bool reanimate, bool is_cmd, void *rettv)
 {
   cstack_T *const cstack = eap->cstack;
 
diff --git a/src/nvim/eval/vars.c b/src/nvim/eval/vars.c
index 9897ca77f1..de2fddb083 100644
--- a/src/nvim/eval/vars.c
+++ b/src/nvim/eval/vars.c
@@ -616,7 +616,7 @@ static void list_tab_vars(int *first)
 /// List variables in "arg".
 static const char *list_arg_vars(exarg_T *eap, const char *arg, int *first)
 {
-  int error = false;
+  bool error = false;
   int len;
   const char *name;
   const char *name_start;