Update shadow password file with new password

Change-Id: Ida7c1aba6f17ac6f006f159d08e2638808f3a54c
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>

1 files changed, 73 insertions, 0 deletions

diff --git a/file.hpp b/file.hpp
new file mode 100644
index 0000000..ae5cf85
--- /dev/null
+++ b/file.hpp
@@ -0,0 +1,73 @@
+#pragma once
+
+#include <stdio.h>
+#include <experimental/filesystem>
+namespace phosphor
+{
+namespace user
+{
+
+namespace fs = std::experimental::filesystem;
+
+/** @class File
+ *  @brief Responsible for handling file pointer
+ *  Needed by putspent(3)
+ */
+class File
+{
+    private:
+        /** @brief handler for operating on file */
+        FILE *fp = NULL;
+
+        /** @brief File name. Needed in the case where the temp
+         *         needs to be removed
+         */
+        const std::string& name;
+
+        /** @brief Should the file be removed at exit */
+        bool removeOnExit = false;
+
+    public:
+        File() = delete;
+        File(const File&) = delete;
+        File& operator=(const File&) = delete;
+        File(File&&) = delete;
+        File& operator=(File&&) = delete;
+
+        /** @brief Opens file and uses it to do file operation
+         *
+         *  @param[in] name         - File name
+         *  @param[in] mode         - File open mode
+         *  @param[in] removeOnExit - File to be removed at exit or no
+         */
+        File(const std::string& name,
+             const std::string& mode,
+             bool removeOnExit = false) :
+            name(name),
+            removeOnExit(removeOnExit)
+        {
+            fp = fopen(name.c_str(), mode.c_str());
+        }
+
+        ~File()
+        {
+            if (fp)
+            {
+                fclose(fp);
+            }
+
+            // Needed for exception safety
+            if (removeOnExit && fs::exists(name))
+            {
+                fs::remove(name);
+            }
+        }
+
+        auto operator()()
+        {
+            return fp;
+        }
+};
+
+} // namespace user
+} // namespace phosphor