Upstream android file related code.

base/file_util_posix.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/file_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <fnmatch.h>
 #include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/errno.h>
 #include <sys/mman.h>
 #include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
 
 #if defined(OS_MACOSX)
 #include <AvailabilityMacros.h>
 #include "base/mac/foundation_util.h"
-#else
+#elif !defined(OS_ANDROID)
 #include <glib.h>
 #endif
 
 #include <fstream>
 
 #include "base/basictypes.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 
+#if defined(OS_ANDROID)
+#include "base/platform_file_android.h"
+#endif
+
 namespace file_util {
 
 namespace {
 
 // Helper for NormalizeFilePath(), defined below.
 bool RealPath(const FilePath& path, FilePath* real_path) {
   base::ThreadRestrictions::AssertIOAllowed();  // For realpath().
   FilePath::CharType buf[PATH_MAX];
   if (!realpath(path.value().c_str(), buf))
     return false;
@@ skipping 42 matching lines @@
 }
 
 int CountFilesCreatedAfter(const FilePath& path,
                            const base::Time& comparison_time) {
   base::ThreadRestrictions::AssertIOAllowed();
   int file_count = 0;
 
   DIR* dir = opendir(path.value().c_str());
   if (dir) {
 #if !defined(OS_LINUX) && !defined(OS_MACOSX) && !defined(OS_FREEBSD) && \
-    !defined(OS_OPENBSD) && !defined(OS_SOLARIS)
+    !defined(OS_OPENBSD) && !defined(OS_SOLARIS) && !defined(OS_ANDROID)
   #error Port warning: depending on the definition of struct dirent, \
          additional space for pathname may be needed
 #endif
     struct dirent ent_buf;
     struct dirent* ent;
     while (readdir_r(dir, &ent_buf, &ent) == 0 && ent) {
       if ((strcmp(ent->d_name, ".") == 0) ||
           (strcmp(ent->d_name, "..") == 0))
         continue;
 
@@ skipping 612 matching lines @@
 }
 
 bool FileEnumerator::ReadDirectory(std::vector<DirectoryEntryInfo>* entries,
                                    const FilePath& source, bool show_links) {
   base::ThreadRestrictions::AssertIOAllowed();
   DIR* dir = opendir(source.value().c_str());
   if (!dir)
     return false;
 
 #if !defined(OS_LINUX) && !defined(OS_MACOSX) && !defined(OS_FREEBSD) && \
-    !defined(OS_OPENBSD) && !defined(OS_SOLARIS)
+    !defined(OS_OPENBSD) && !defined(OS_SOLARIS) && !defined(OS_ANDROID)
   #error Port warning: depending on the definition of struct dirent, \
          additional space for pathname may be needed
 #endif
 
   struct dirent dent_buf;
   struct dirent* dent;
   while (readdir_r(dir, &dent_buf, &dent) == 0 && dent) {
     DirectoryEntryInfo info;
     info.filename = FilePath(dent->d_name);
 
@@ skipping 79 matching lines @@
   *normalized_path = real_path_result;
   return true;
 }
 
 #if !defined(OS_MACOSX)
 bool GetTempDir(FilePath* path) {
   const char* tmp = getenv("TMPDIR");
   if (tmp)
     *path = FilePath(tmp);
   else
+#if defined(OS_ANDROID)
+    *path = FilePath("/data/local/tmp");
+#else
     *path = FilePath("/tmp");
+#endif
   return true;
 }
 
 bool GetShmemTempDir(FilePath* path) {
+#if defined(OS_ANDROID)
+  *path = FilePath("/data/local/tmp");
+#else
   *path = FilePath("/dev/shm");
+#endif
   return true;
 }
 
 FilePath GetHomeDir() {
   const char* home_dir = getenv("HOME");
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
 
+#if defined(OS_ANDROID)
+  LOG(WARNING) << "OS_ANDROID: Home directory lookup not yet implemented.";
+#else
   // g_get_home_dir calls getpwent, which can fall through to LDAP calls.
   base::ThreadRestrictions::AssertIOAllowed();
 
   home_dir = g_get_home_dir();
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
+#endif
 
   FilePath rv;
   if (file_util::GetTempDir(&rv))
     return rv;
 
   // Last resort.
   return FilePath("/tmp");
 }
 
 bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
@@ skipping 38 matching lines @@
   if (HANDLE_EINTR(close(infile)) < 0)
     result = false;
   if (HANDLE_EINTR(close(outfile)) < 0)
     result = false;
 
   return result;
 }
 #endif  // defined(OS_MACOSX)
 
 }  // namespace file_util