From faf8475baca8392338e40b0d9c8e6574266a7722 Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Thu, 8 Jul 2010 14:37:57 +0200
Subject: [PATCH] Implement mkdtemp()

---
 src/filefunc.cpp       |   20 ++++++++++++++++++++
 src/filefunc.hxx       |    2 ++
 test/test_filefunc.cpp |   20 ++++++++++++++++++++
 3 files changed, 42 insertions(+), 0 deletions(-)

diff --git a/src/filefunc.cpp b/src/filefunc.cpp
index 6e10ccc..bfba003 100644
--- a/src/filefunc.cpp
+++ b/src/filefunc.cpp
@@ -751,4 +751,24 @@ bool recursive_delete(const std::string &path, std::string *error)
     return rtn;
 } // eo recursive_delete(const std::string&,std::string*)
 
+/**
+    Create a unique temporary directory from path_template.
+    @param Path template. The last six characters must be XXXXXX.
+    @return Name of new directory or empty string on error.
+*/
+std::string mkdtemp(const std::string &path_template)
+{
+    boost::scoped_array<char> buf( new char[path_template.size()+1] );
+    path_template.copy(buf.get(), path_template.size());
+    buf[path_template.size()]=0;
+
+    char *unique_dir = ::mkdtemp(buf.get());
+    if (!unique_dir)
+        return "";
+
+    // Scoped pointer is still valid
+    return std::string(unique_dir);
+}
+
+
 } // eo namespace I2n
diff --git a/src/filefunc.hxx b/src/filefunc.hxx
index 795b3f2..d49fd47 100644
--- a/src/filefunc.hxx
+++ b/src/filefunc.hxx
@@ -177,6 +177,8 @@ bool chown(const std::string& path, const I2n::User& user, const I2n::Group& gro
 
 bool recursive_delete(const std::string &path, std::string *error=NULL);
 
+std::string mkdtemp(const std::string &path_template);
+
 }
 
 #endif
diff --git a/test/test_filefunc.cpp b/test/test_filefunc.cpp
index 0dc1b3a..fb03723 100644
--- a/test/test_filefunc.cpp
+++ b/test/test_filefunc.cpp
@@ -344,4 +344,24 @@ BOOST_AUTO_TEST_CASE(TestCopyFileOk)
     BOOST_CHECK_EQUAL( false, size_is_zero );
 }
 
+BOOST_AUTO_TEST_CASE(TestMkdtemp)
+{
+    // Create unique directory
+    string unique_dir = I2n::mkdtemp("foobar.XXXXXX");
+    BOOST_REQUIRE(unique_dir.size() > 0);
+
+    // Test if it's really a directory
+    BOOST_CHECK_EQUAL(true, Stat(unique_dir).is_directory());
+
+    // Unlink it
+    BOOST_CHECK_EQUAL(true, I2n::recursive_delete(unique_dir));
+}
+
+BOOST_AUTO_TEST_CASE(TestMkdtempBrokenTemplate)
+{
+    // Broken directory template -> fail
+    string unique_dir = I2n::mkdtemp("foobar.XXX");
+    BOOST_CHECK_EQUAL("", unique_dir);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
-- 
1.7.1