refactor: format all C files under nvim/ #15977

* refactor: format all C files under nvim
* refactor: disable formatting for Vim-owned files:
    * src/nvim/indent_c.c
    * src/nvim/regexp.c
    * src/nvim/regexp_nfa.c
    * src/nvim/testdir/samples/memfile_test.c

src/nvim/api/buffer.c

@@ -1166,8 +1166,7 @@ Boolean nvim_buf_del_mark(Buffer buffer, String name, Error *err)
 /// @return true if the mark was set, else false.
 /// @see |nvim_buf_del_mark()|
 /// @see |nvim_buf_get_mark()|
-Boolean nvim_buf_set_mark(Buffer buffer, String name,
-                          Integer line, Integer col, Error *err)
+Boolean nvim_buf_set_mark(Buffer buffer, String name, Integer line, Integer col, Error *err)
   FUNC_API_SINCE(8)
 {
   bool res = false;
@@ -1578,8 +1577,8 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
   if (opts->id.type == kObjectTypeInteger && opts->id.data.integer > 0) {
     id = (uint64_t)opts->id.data.integer;
   } else if (HAS_KEY(opts->id)) {
-      api_set_error(err, kErrorTypeValidation, "id is not a positive integer");
-      goto error;
+    api_set_error(err, kErrorTypeValidation, "id is not a positive integer");
+    goto error;
   }
 
   int line2 = -1;
@@ -1655,10 +1654,10 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
   }
 
 #define OPTION_TO_BOOL(target, name, val) \
-    target = api_object_to_bool(opts-> name, #name, val, err); \
-    if (ERROR_SET(err)) { \
-      goto error; \
-    }
+  target = api_object_to_bool(opts-> name, #name, val, err); \
+  if (ERROR_SET(err)) { \
+    goto error; \
+  }
 
   OPTION_TO_BOOL(decor.virt_text_hide, virt_text_hide, false);
   OPTION_TO_BOOL(decor.hl_eol, hl_eol, false);

src/nvim/api/private/dispatch.c

@@ -14,8 +14,8 @@
 #include "nvim/api/tabpage.h"
 #include "nvim/api/ui.h"
 #include "nvim/api/vim.h"
-#include "nvim/api/window.h"
 #include "nvim/api/win_config.h"
+#include "nvim/api/window.h"
 #include "nvim/log.h"
 #include "nvim/map.h"
 #include "nvim/msgpack_rpc/helpers.h"

src/nvim/api/private/helpers.c

@@ -4,9 +4,9 @@
 #include <assert.h>
 #include <inttypes.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stddef.h>
 
 #include "nvim/api/private/defs.h"
 #include "nvim/api/private/helpers.h"
@@ -831,10 +831,10 @@ void modify_keymap(Buffer buffer, bool is_unmap, String mode, String lhs, String
   MapArguments parsed_args = MAP_ARGUMENTS_INIT;
   if (opts) {
 #define KEY_TO_BOOL(name) \
-    parsed_args. name = api_object_to_bool(opts-> name, #name, false, err); \
-    if (ERROR_SET(err)) { \
-      goto fail_and_free; \
-    }
+  parsed_args. name = api_object_to_bool(opts-> name, #name, false, err); \
+  if (ERROR_SET(err)) { \
+    goto fail_and_free; \
+  }
 
     KEY_TO_BOOL(nowait);
     KEY_TO_BOOL(noremap);

src/nvim/api/private/helpers.h

@@ -141,8 +141,8 @@ typedef struct {
   } while (0)
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
-# include "keysets.h.generated.h"
 # include "api/private/helpers.h.generated.h"
+# include "keysets.h.generated.h"
 #endif
 
 

src/nvim/api/vim.c

@@ -2846,7 +2846,7 @@ Array nvim_get_mark(String name, Error *err)
     bufnr = mark.fmark.fnum;
     filename = (char *)buflist_nr2name(bufnr, true, true);
     allocated = true;
-  // Marks comes from shada
+    // Marks comes from shada
   } else {
     filename = (char *)mark.fname;
     bufnr = 0;

src/nvim/api/win_config.c

@@ -616,7 +616,7 @@ static bool parse_float_config(Dict(float_config) *config, FloatConfig *fconfig,
       fconfig->style = kWinStyleUnused;
     } else if (striequal(config->style.data.string.data, "minimal")) {
       fconfig->style = kWinStyleMinimal;
-    }  else {
+    } else {
       api_set_error(err, kErrorTypeValidation, "Invalid value of 'style' key");
     }
   } else if (HAS_KEY(config->style)) {