vim-patch:9.0.1245: code is indented more than necessary (#21998)

Problem:    Code is indented more than necessary.
Solution:   Use an early return where it makes sense. (Yegappan Lakshmanan,
            closes vim/vim#11879)

032713f829

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

src/nvim/eval/funcs.c

@@ -7823,7 +7823,9 @@ static void f_strftime(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   // MSVC returns NULL for an invalid value of seconds.
   if (curtime_ptr == NULL) {
     rettv->vval.v_string = xstrdup(_("(Invalid)"));
-  } else {
+    return;
+  }
+
   vimconv_T conv;
 
   conv.vc_type = CONV_NONE;
@@ -7851,7 +7853,6 @@ static void f_strftime(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
   convert_setup(&conv, NULL, NULL);
   xfree(enc);
 }
-}
 
 /// "strgetchar()" function
 static void f_strgetchar(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
@@ -8654,6 +8655,7 @@ static void f_timer_pause(typval_T *argvars, typval_T *unused, EvalFuncData fptr
     emsg(_(e_number_exp));
     return;
   }
+
   int paused = (bool)tv_get_number(&argvars[1]);
   timer_T *timer = find_timer_by_nr(tv_get_number(&argvars[0]));
   if (timer != NULL) {

src/nvim/eval/typval.c

@@ -3208,7 +3208,10 @@ static inline void _nothing_conv_dict_end(typval_T *const tv, dict_T **const dic
 /// @param[in,out]  tv  Value to free.
 void tv_clear(typval_T *const tv)
 {
-  if (tv != NULL && tv->v_type != VAR_UNKNOWN) {
+  if (tv == NULL || tv->v_type == VAR_UNKNOWN) {
+    return;
+  }
+
   // WARNING: do not translate the string here, gettext is slow and function
   // is used *very* often. At the current state encode_vim_to_nothing() does
   // not error out and does not use the argument anywhere.
@@ -3219,7 +3222,6 @@ void tv_clear(typval_T *const tv)
   (void)evn_ret;
   assert(evn_ret == OK);
 }
-}
 
 //{{{3 Free
 
@@ -3228,7 +3230,10 @@ void tv_clear(typval_T *const tv)
 /// @param  tv  Object to free.
 void tv_free(typval_T *tv)
 {
-  if (tv != NULL) {
+  if (tv == NULL) {
+    return;
+  }
+
   switch (tv->v_type) {
   case VAR_PARTIAL:
     partial_unref(tv->vval.v_partial);
@@ -3257,7 +3262,6 @@ void tv_free(typval_T *tv)
   }
   xfree(tv);
 }
-}
 
 //{{{3 Copy
 

src/nvim/tag.c

@@ -2732,7 +2732,10 @@ static int parse_match(char *lbuf, tagptrs_T *tagp)
   tagp->tagline = 0;
   tagp->command_end = NULL;
 
-  if (retval == OK) {
+  if (retval != OK) {
+    return retval;
+  }
+
   // Try to find a kind field: "kind:<kind>" or just "<kind>"
   p = tagp->command;
   if (find_extra(&p) == OK) {
@@ -2781,7 +2784,6 @@ static int parse_match(char *lbuf, tagptrs_T *tagp)
          MB_PTR_ADV(p)) {}
     tagp->user_data_end = p;
   }
-  }
   return retval;
 }
 
@@ -3329,7 +3331,10 @@ int get_tags(list_T *list, char *pat, char *buf_fname)
 
   ret = find_tags(pat, &num_matches, &matches,
                   TAG_REGEXP | TAG_NOIC, MAXCOL, buf_fname);
-  if (ret == OK && num_matches > 0) {
+  if (ret != OK || num_matches <= 0) {
+    return ret;
+  }
+
   for (i = 0; i < num_matches; i++) {
     int parse_result = parse_match(matches[i], &tp);
 
@@ -3408,7 +3413,6 @@ int get_tags(list_T *list, char *pat, char *buf_fname)
     xfree(matches[i]);
   }
   xfree(matches);
-  }
   return ret;
 }
 

src/nvim/testing.c

@@ -77,7 +77,9 @@ static void ga_concat_esc(garray_T *gap, const char *p, int clen)
     memmove(buf, p, (size_t)clen);
     buf[clen] = NUL;
     ga_concat(gap, buf);
-  } else {
+    return;
+  }
+
   switch (*p) {
   case BS:
     ga_concat(gap, "\\b"); break;
@@ -103,7 +105,6 @@ static void ga_concat_esc(garray_T *gap, const char *p, int clen)
     break;
   }
 }
-}
 
 /// Append "str" to "gap", escaping unprintable characters.
 /// Changes NL to \n, CR to \r, etc.

src/nvim/textformat.c

@@ -736,7 +736,10 @@ void check_auto_format(bool end_insert)
   int c = ' ';
   int cc;
 
-  if (did_add_space) {
+  if (!did_add_space) {
+    return;
+  }
+
   cc = gchar_cursor();
   if (!WHITECHAR(cc)) {
     // Somehow the space was removed already.
@@ -754,7 +757,6 @@ void check_auto_format(bool end_insert)
     }
   }
 }
-}
 
 /// Find out textwidth to be used for formatting:
 ///      if 'textwidth' option is set, use it