Replace boost::scoped_ptr with std::unique_ptr.

[cumulus.git] / util.h

diff --git a/util.h b/util.h
index bb36333..b55320e 100644 (file)
--- a/util.h
+++ b/util.h
@@ -1,10 +1,25 @@
-/* LBS: An LFS-inspired filesystem backup system
- * Copyright (C) 2006  Michael Vrable
+/* Cumulus: Efficient Filesystem Backup to the Cloud
+ * Copyright (C) 2007 The Cumulus Developers
+ * See the AUTHORS file for a list of contributors.
  *
- * Utility functions for converting various datatypes to text format (and
- * later, for parsing them back, perhaps).
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+/* Utility functions for converting various datatypes to text format (and
+ * later, for parsing them back, perhaps). */
+
 #ifndef _LBS_FORMAT_H
 #define _LBS_FORMAT_H
 
@@ -12,13 +27,37 @@
 #include <map>
 #include <string>
 
+std::string string_printf(const char *fmt, ...)
+    __attribute__((format(printf, 1, 2)));
+
 std::string uri_encode(const std::string &in);
 std::string uri_decode(const std::string &in);
 std::string encode_int(long long n, int base=10);
-std::string encode_dict(const std::map<std::string, std::string>& dict);
-void dict_output(std::ostream &o,
-                 const std::map<std::string, std::string>& dict);
 
 long long parse_int(const std::string &s);
+void cloexec(int fd);
+
+void fatal(std::string msg) __attribute__((noreturn));
+
+/* Date/time string formatting and parsing utility functions.  All data and
+ * methods are static, so this class should not be instantiated. */
+class TimeFormat {
+public:
+    // Abbreviated time format encoded in snapshot file names.
+    static const char FORMAT_FILENAME[];
+    // A timestamp, in UTC, written out in an ISO 8601 format (compatible with
+    // the SQLite datetime function).
+    static const char FORMAT_ISO8601[];
+    // Similar to the above, but including a timezone offset.
+    static const char FORMAT_LOCALTIME[];
+
+    static std::string format(time_t timestamp, const char *format, bool utc);
+
+    static std::string isoformat(time_t timestamp)
+        { return format(timestamp, FORMAT_ISO8601, true); }
+
+private:
+    TimeFormat() { }
+};
 
 #endif // _LBS_TARSTORE_H