1 files changed, 26 insertions, 16 deletions

diff --git a/src/nvim/memfile.c b/src/nvim/memfile.c
index 216ee26620..46be9ccea5 100644
--- a/src/nvim/memfile.c
+++ b/src/nvim/memfile.c
@@ -43,19 +43,25 @@
 #include <inttypes.h>
 #include <limits.h>
 #include <stdbool.h>
+#include <stdio.h>
 #include <string.h>
 
-#include "nvim/ascii.h"
 #include "nvim/assert.h"
+#include "nvim/buffer_defs.h"
 #include "nvim/fileio.h"
+#include "nvim/gettext.h"
+#include "nvim/globals.h"
+#include "nvim/macros.h"
 #include "nvim/memfile.h"
+#include "nvim/memfile_defs.h"
 #include "nvim/memline.h"
 #include "nvim/memory.h"
 #include "nvim/message.h"
+#include "nvim/os/fs_defs.h"
 #include "nvim/os/input.h"
 #include "nvim/os/os.h"
-#include "nvim/os_unix.h"
 #include "nvim/path.h"
+#include "nvim/pos.h"
 #include "nvim/vim.h"
 
 #define MEMFILE_PAGE_SIZE 4096       /// default page size
@@ -77,7 +83,7 @@
 ///
 /// @return - The open memory file, on success.
 ///         - NULL, on failure (e.g. file does not exist).
-memfile_T *mf_open(char_u *fname, int flags)
+memfile_T *mf_open(char *fname, int flags)
 {
   memfile_T *mfp = xmalloc(sizeof(memfile_T));
 
@@ -148,7 +154,7 @@ memfile_T *mf_open(char_u *fname, int flags)
 ///
 /// @return OK    On success.
 ///         FAIL  If file could not be opened.
-int mf_open_file(memfile_T *mfp, char_u *fname)
+int mf_open_file(memfile_T *mfp, char *fname)
 {
   if (mf_do_open(mfp, fname, O_RDWR | O_CREAT | O_EXCL)) {
     mfp->mf_dirty = true;
@@ -170,7 +176,7 @@ void mf_close(memfile_T *mfp, bool del_file)
     emsg(_(e_swapclose));
   }
   if (del_file && mfp->mf_fname != NULL) {
-    os_remove((char *)mfp->mf_fname);
+    os_remove(mfp->mf_fname);
   }
 
   // free entries in used list
@@ -210,7 +216,7 @@ void mf_close_file(buf_T *buf, bool getlines)
   mfp->mf_fd = -1;
 
   if (mfp->mf_fname != NULL) {
-    os_remove((char *)mfp->mf_fname);    // delete the swap file
+    os_remove(mfp->mf_fname);    // delete the swap file
     mf_free_fnames(mfp);
   }
 }
@@ -749,10 +755,10 @@ void mf_free_fnames(memfile_T *mfp)
 ///
 /// Only called when creating or renaming the swapfile. Either way it's a new
 /// name so we must work out the full path name.
-void mf_set_fnames(memfile_T *mfp, char_u *fname)
+void mf_set_fnames(memfile_T *mfp, char *fname)
 {
   mfp->mf_fname = fname;
-  mfp->mf_ffname = (char_u *)FullName_save((char *)mfp->mf_fname, false);
+  mfp->mf_ffname = FullName_save(mfp->mf_fname, false);
 }
 
 /// Make name of memfile's swapfile a full path.
@@ -760,11 +766,13 @@ void mf_set_fnames(memfile_T *mfp, char_u *fname)
 /// Used before doing a :cd
 void mf_fullname(memfile_T *mfp)
 {
-  if (mfp != NULL && mfp->mf_fname != NULL && mfp->mf_ffname != NULL) {
-    xfree(mfp->mf_fname);
-    mfp->mf_fname = mfp->mf_ffname;
-    mfp->mf_ffname = NULL;
+  if (mfp == NULL || mfp->mf_fname == NULL || mfp->mf_ffname == NULL) {
+    return;
   }
+
+  xfree(mfp->mf_fname);
+  mfp->mf_fname = mfp->mf_ffname;
+  mfp->mf_ffname = NULL;
 }
 
 /// Return true if there are any translations pending for memfile.
@@ -779,7 +787,7 @@ bool mf_need_trans(memfile_T *mfp)
 ///
 /// @param  flags  Flags for open().
 /// @return A bool indicating success of the `open` call.
-static bool mf_do_open(memfile_T *mfp, char_u *fname, int flags)
+static bool mf_do_open(memfile_T *mfp, char *fname, int flags)
 {
   // fname cannot be NameBuff, because it must have been allocated.
   mf_set_fnames(mfp, fname);
@@ -789,7 +797,7 @@ static bool mf_do_open(memfile_T *mfp, char_u *fname, int flags)
   /// exist yet. If there is a symbolic link, this is most likely an attack.
   FileInfo file_info;
   if ((flags & O_CREAT)
-      && os_fileinfo_link((char *)mfp->mf_fname, &file_info)) {
+      && os_fileinfo_link(mfp->mf_fname, &file_info)) {
     mfp->mf_fd = -1;
     emsg(_("E300: Swap file already exists (symlink attack?)"));
   } else {
@@ -815,8 +823,10 @@ static bool mf_do_open(memfile_T *mfp, char_u *fname, int flags)
 /// The number of buckets in the hashtable is increased by a factor of
 /// MHT_GROWTH_FACTOR when the average number of items per bucket
 /// exceeds 2 ^ MHT_LOG_LOAD_FACTOR.
-#define MHT_LOG_LOAD_FACTOR 6
-#define MHT_GROWTH_FACTOR   2   // must be a power of two
+enum {
+  MHT_LOG_LOAD_FACTOR = 6,
+  MHT_GROWTH_FACTOR = 2,  // must be a power of two
+};
 
 /// Initialize an empty hash table.
 static void mf_hash_init(mf_hashtab_T *mht)