replaced some mch_lstat()

src/eval.c

@@ -9729,44 +9729,45 @@ static void f_getftime(typval_T *argvars, typval_T *rettv)
 static void f_getftype(typval_T *argvars, typval_T *rettv)
 {
   char_u      *fname;
-  struct stat st;
   char_u      *type = NULL;
   char        *t;
 
   fname = get_tv_string(&argvars[0]);
 
   rettv->v_type = VAR_STRING;
-  if (mch_lstat((char *)fname, &st) >= 0) {
+  FileInfo file_info;
+  if (os_get_file_info_link((char *)fname, &file_info)) {
+    uint64_t mode = file_info.stat.st_mode;
 #ifdef S_ISREG
-    if (S_ISREG(st.st_mode))
+    if (S_ISREG(mode))
       t = "file";
-    else if (S_ISDIR(st.st_mode))
+    else if (S_ISDIR(mode))
       t = "dir";
 # ifdef S_ISLNK
-    else if (S_ISLNK(st.st_mode))
+    else if (S_ISLNK(mode))
       t = "link";
 # endif
 # ifdef S_ISBLK
-    else if (S_ISBLK(st.st_mode))
+    else if (S_ISBLK(mode))
       t = "bdev";
 # endif
 # ifdef S_ISCHR
-    else if (S_ISCHR(st.st_mode))
+    else if (S_ISCHR(mode))
       t = "cdev";
 # endif
 # ifdef S_ISFIFO
-    else if (S_ISFIFO(st.st_mode))
+    else if (S_ISFIFO(mode))
       t = "fifo";
 # endif
 # ifdef S_ISSOCK
-    else if (S_ISSOCK(st.st_mode))
+    else if (S_ISSOCK(mode))
       t = "fifo";
 # endif
     else
       t = "other";
 #else
 # ifdef S_IFMT
-    switch (st.st_mode & S_IFMT) {
+    switch (mode & S_IFMT) {
     case S_IFREG: t = "file"; break;
     case S_IFDIR: t = "dir"; break;
 #  ifdef S_IFLNK

src/memfile.c

@@ -1041,10 +1041,6 @@ mf_do_open (
     int flags                      /* flags for open() */
 )
 {
-#ifdef HAVE_LSTAT
-  struct stat sb;
-#endif
-
   mfp->mf_fname = fname;
 
   /*
@@ -1054,17 +1050,16 @@ mf_do_open (
    */
   mf_set_ffname(mfp);
 
-#ifdef HAVE_LSTAT
   /*
    * Extra security check: When creating a swap file it really shouldn't
    * exist yet.  If there is a symbolic link, this is most likely an attack.
    */
-  if ((flags & O_CREAT) && mch_lstat((char *)mfp->mf_fname, &sb) >= 0) {
+  FileInfo file_info;
+  if ((flags & O_CREAT)
+      && os_get_file_info_link((char *)mfp->mf_fname, &file_info)) {
     mfp->mf_fd = -1;
     EMSG(_("E300: Swap file already exists (symlink attack?)"));
-  } else
-#endif
-  {
+  } else {
     /*
      * try to open the file
      */

src/path.c

@@ -1285,7 +1285,6 @@ void simplify_filename(char_u *filename)
       if (components > 0) {             /* strip one preceding component */
         int do_strip = FALSE;
         char_u saved_char;
-        struct stat st;
 
         /* Don't strip for an erroneous file name. */
         if (!stripping_disabled) {
@@ -1294,12 +1293,10 @@ void simplify_filename(char_u *filename)
            * link that refers to a non-existent file. */
           saved_char = p[-1];
           p[-1] = NUL;
-#ifdef UNIX
-          if (mch_lstat((char *)filename, &st) < 0)
-#else
-          if (mch_stat((char *)filename, &st) < 0)
-#endif
+          FileInfo file_info;
+          if (!os_get_file_info_link((char *)filename, &file_info)) {
             do_strip = TRUE;
+          }
           p[-1] = saved_char;
 
           --p;
@@ -1320,40 +1317,37 @@ void simplify_filename(char_u *filename)
              * components. */
             saved_char = *tail;
             *tail = NUL;
-            if (mch_stat((char *)filename, &st) >= 0)
+            if (os_get_file_info((char *)filename, &file_info)) {
               do_strip = TRUE;
+            }
             else
               stripping_disabled = TRUE;
             *tail = saved_char;
-#ifdef UNIX
             if (do_strip) {
-              struct stat new_st;
-
-              /* On Unix, the check for the unstripped file name
+              /* The check for the unstripped file name
                * above works also for a symbolic link pointing to
                * a searchable directory.  But then the parent of
                * the directory pointed to by the link must be the
                * same as the stripped file name.  (The latter
                * exists in the file system since it is the
                * component's parent directory.) */
-              if (p == start && relative)
-                (void)mch_stat(".", &new_st);
-              else {
+              FileInfo new_file_info;
+              if (p == start && relative) {
+                os_get_file_info(".", &new_file_info);
+              } else {
                 saved_char = *p;
                 *p = NUL;
-                (void)mch_stat((char *)filename, &new_st);
+                os_get_file_info((char *)filename, &new_file_info);
                 *p = saved_char;
               }
 
-              if (new_st.st_ino != st.st_ino ||
-                  new_st.st_dev != st.st_dev) {
+              if (!os_file_info_id_equal(&file_info, &new_file_info)) {
                 do_strip = FALSE;
                 /* We don't disable stripping of later
                  * components since the unstripped path name is
                  * still valid. */
               }
             }
-#endif
           }
         }
 

src/quickfix.c

@@ -2573,9 +2573,6 @@ static char_u *get_mef_name(void)
   char_u      *name;
   static int start = -1;
   static int off = 0;
-#ifdef HAVE_LSTAT
-  struct stat sb;
-#endif
 
   if (*p_mef == NUL) {
     name = vim_tempname('e');
@@ -2602,13 +2599,12 @@ static char_u *get_mef_name(void)
     STRCPY(name, p_mef);
     sprintf((char *)name + (p - p_mef), "%d%d", start, off);
     STRCAT(name, p + 2);
-    if (!os_file_exists(name)
-#ifdef HAVE_LSTAT
-        /* Don't accept a symbolic link, its a security risk. */
-        && mch_lstat((char *)name, &sb) < 0
-#endif
-        )
+    // Don't accept a symbolic link, its a security risk.
+    FileInfo file_info;
+    bool file_or_link_found = os_get_file_info_link((char *)name, &file_info);
+    if (!file_or_link_found) {
       break;
+    }
     free(name);
   }
   return name;