Tomi Valkeinen 2032fccbb7 Fix valgrind warning about uninitialized variable use in to_stream()
tm variable is not initialized in to_stream(), and valgrind warns about
"Conditional jump or move depends on uninitialised value(s)".

This is a false positive, as strftime always reads tm_hour, even if it
ends up never using it. To silence the warnings, initialize tm to zero.
2017-10-03 15:22:49 -04:00
2017-01-26 19:42:42 -05:00

Join the chat at https://gitter.im/HowardHinnant/date


Try it out on wandbox!

This is actually several separate C++11/C++14 libraries:

  1. "date.h" is a header-only library which builds upon <chrono>. It adds some new duration types, and new time_point types. It also adds "field" types such as year_month_day which is a struct {year, month, day}. And it provides convenient means to convert between the "field" types and the time_point types.

  2. "tz.h" / "tz.cpp" are a timezone library built on top of the "date.h" library. This timezone library is a complete parser of the IANA timezone database. It provides for an easy way to access all of the data in this database, using the types from "date.h" and <chrono>. The IANA database also includes data on leap seconds, and this library provides utilities to compute with that information as well.

  3. "iso_week.h" is a header-only library built on top of the "date.h" library which implements the ISO week date calendar.

  4. "julian.h" is a header-only library built on top of the "date.h" library which implements a proleptic Julian calendar which is fully interoperable with everything above.

  5. "islamic.h" is a header-only library built on top of the "date.h" library which implements a proleptic Islamic calendar which is fully interoperable with everything above.

"date.h" and "tz.h" are now being proposed for standardization:

List of projects using this library:

  • www.safe.com

If you would like your project (or product) on this list, just let me know.

Description
A date and time library based on the C++11/14/17 header
Readme
Languages
C++ 97.5%
CMake 1%
Objective-C++ 0.9%
Shell 0.5%
C 0.1%