dart:io | Add FileSystemEntity.stat() and FileStat class.

runtime/bin/file_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "bin/file.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 184 matching lines @@
 
 off_t File::LengthFromPath(const char* name) {
   struct stat st;
   if (TEMP_FAILURE_RETRY(stat(name, &st)) == 0) {
     return st.st_size;
   }
   return -1;
 }
 
 
+void File::Stat(const char* name, int64_t* data) {
+  struct stat st;
+  if (TEMP_FAILURE_RETRY(stat(name, &st)) == 0) {
+    if (S_ISREG(st.st_mode)) {
+      data[kType] = kIsFile;
+    } else if (S_ISDIR(st.st_mode)) {
+      data[kType] = kIsDirectory;
+    } else if (S_ISLNK(st.st_mode)) {
+      data[kType] = kIsLink;
+    } else {
+      data[kType] = kDoesNotExist;
+    }
+    data[kCreatedTime] = st.st_ctime;
+    data[kModifiedTime] = st.st_mtime;
+    data[kAccessedTime] = st.st_atime;
+    data[kMode] = st.st_mode;
+    data[kSize] = st.st_size;
+  } else {
+    data[kType] = kDoesNotExist;
+    data[kCreatedTime] = 0;
+    data[kModifiedTime] = 0;
+    data[kAccessedTime] = 0;
+    data[kMode] = 0;
+    data[kSize] = 0;
+  }
+}
+
+
 time_t File::LastModified(const char* name) {
   struct stat st;
   if (TEMP_FAILURE_RETRY(stat(name, &st)) == 0) {
     return st.st_mtime;
   }
   return -1;
 }
 
 
 char* File::LinkTarget(const char* pathname) {
@@ skipping 102 matching lines @@
   return (file_1_info.st_ino == file_2_info.st_ino &&
           file_1_info.st_dev == file_2_info.st_dev) ?
       File::kIdentical :
       File::kDifferent;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)