bsd: refactor XDG bits of linux_util into a shared file.

This allows the shared code to build on the BSDs without
them needing to build _linux files.

Review URL: http://codereview.chromium.org/1701005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@45380 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 20 insertions, 0 deletions

diff --git a/base/file_util_posix.cc b/base/file_util_posix.cc
index 8947d6a..4d4e572 100644
--- a/base/file_util_posix.cc
+++ b/base/file_util_posix.cc
@@ -10,6 +10,7 @@
 #include <fnmatch.h>
 #include <libgen.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/errno.h>
 #include <sys/mman.h>
@@ -21,6 +22,8 @@
 
 #if defined(OS_MACOSX)
 #include <AvailabilityMacros.h>
+#else
+#include <glib.h>
 #endif
 
 #include <fstream>
@@ -728,6 +731,23 @@ bool GetShmemTempDir(FilePath* path) {
   return true;
 }
 
+FilePath GetHomeDir() {
+  const char* home_dir = getenv("HOME");
+  if (home_dir && home_dir[0])
+    return FilePath(home_dir);
+
+  home_dir = g_get_home_dir();
+  if (home_dir && home_dir[0])
+    return FilePath(home_dir);
+
+  FilePath rv;
+  if (file_util::GetTempDir(&rv))
+    return rv;
+
+  // Last resort.
+  return FilePath("/tmp");
+}
+
 bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
   int infile = open(from_path.value().c_str(), O_RDONLY);
   if (infile < 0)