From 63e7a4a77cb8ceed7b42561fe3202b0b48d86db6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 18 Jun 2015 14:41:45 +0200
Subject: Move path and filesystem from build2 to libbutl

---
 build/timestamp.cxx | 177 ----------------------------------------------------
 1 file changed, 177 deletions(-)
 delete mode 100644 build/timestamp.cxx

(limited to 'build/timestamp.cxx')

diff --git a/build/timestamp.cxx b/build/timestamp.cxx
deleted file mode 100644
index 9d6e70c..0000000
--- a/build/timestamp.cxx
+++ /dev/null
@@ -1,177 +0,0 @@
-// file      : build/timestamp.cxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#include <build/timestamp>
-
-#include <unistd.h>    // stat
-#include <sys/types.h> // stat
-#include <sys/stat.h>  // stat
-
-#include <time.h> // localtime, gmtime, strftime
-
-#include <ostream>
-#include <system_error>
-
-using namespace std;
-
-namespace build
-{
-  // Figuring out whether we have the nanoseconds in some form.
-  //
-  template <typename S>
-  constexpr auto nsec (const S* s) -> decltype(s->st_mtim.tv_nsec)
-  {
-    return s->st_mtim.tv_nsec; // POSIX (GNU/Linux, Solaris).
-  }
-
-  template <typename S>
-  constexpr auto nsec (const S* s) -> decltype(s->st_mtimespec.tv_nsec)
-  {
-    return s->st_mtimespec.tv_nsec; // MacOS X.
-  }
-
-  template <typename S>
-  constexpr auto nsec (const S* s) -> decltype(s->st_mtime_n)
-  {
-    return s->st_mtime_n; // AIX 5.2 and later.
-  }
-
-  template <typename S>
-  constexpr int nsec (...) {return 0;}
-
-  timestamp
-  path_mtime (const path& p)
-  {
-    struct stat s;
-    if (stat (p.string ().c_str (), &s) != 0)
-    {
-      if (errno == ENOENT || errno == ENOTDIR)
-        return timestamp_nonexistent;
-      else
-        throw system_error (errno, system_category ());
-    }
-
-    return system_clock::from_time_t (s.st_mtime) +
-      chrono::duration_cast<duration> (
-        chrono::nanoseconds (nsec<struct stat> (&s)));
-  }
-
-  ostream&
-  operator<< (ostream& os, const timestamp& ts)
-  {
-    // @@ replace with put_time()
-    //
-
-    time_t t (system_clock::to_time_t (ts));
-
-    if (t == 0)
-      return os << "<nonexistent>";
-
-    std::tm tm;
-    if (localtime_r (&t, &tm) == nullptr)
-      throw system_error (errno, system_category ());
-
-    // If year is greater than 9999, we will overflow.
-    //
-    char buf[20]; // YYYY-MM-DD HH:MM:SS\0
-    if (strftime (buf, sizeof (buf), "%Y-%m-%d %H:%M:%S", &tm) == 0)
-      return os << "<beyond year 9999>";
-
-    os << buf;
-
-    using namespace chrono;
-
-    timestamp sec (system_clock::from_time_t (t));
-    nanoseconds ns (duration_cast<nanoseconds> (ts - sec));
-
-    if (ns != nanoseconds::zero ())
-    {
-      os << '.';
-      os.width (9);
-      os.fill ('0');
-      os << ns.count ();
-    }
-
-    return os;
-  }
-
-  ostream&
-  operator<< (ostream& os, const duration& d)
-  {
-    // @@ replace with put_time()
-    //
-
-    timestamp ts; // Epoch.
-    ts += d;
-
-    time_t t (system_clock::to_time_t (ts));
-
-    const char* fmt (nullptr);
-    const char* unt ("nanoseconds");
-    if (t >= 365 * 12 * 24 * 60 * 60)
-    {
-      fmt = "%Y-%m-%d %H:%M:%S";
-      unt = "years";
-    }
-    else if (t >= 12 * 24 * 60* 60)
-    {
-      fmt = "%m-%d %H:%M:%S";
-      unt = "months";
-    }
-    else if (t >= 24 * 60* 60)
-    {
-      fmt = "%d %H:%M:%S";
-      unt = "days";
-    }
-    else if (t >= 60 * 60)
-    {
-      fmt = "%H:%M:%S";
-      unt = "hours";
-    }
-    else if (t >= 60)
-    {
-      fmt = "%M:%S";
-      unt = "minutes";
-    }
-    else if (t >= 1)
-    {
-      fmt = "%S";
-      unt = "seconds";
-    }
-
-    if (fmt != nullptr)
-    {
-      std::tm tm;
-      if (gmtime_r (&t, &tm) == nullptr)
-        throw system_error (errno, system_category ());
-
-      char buf[20]; // YYYY-MM-DD HH:MM:SS\0
-      if (strftime (buf, sizeof (buf), fmt, &tm) == 0)
-        return os << "<beyond 9999>";
-
-      os << buf;
-    }
-
-    using namespace chrono;
-
-    timestamp sec (system_clock::from_time_t (t));
-    nanoseconds ns (duration_cast<nanoseconds> (ts - sec));
-
-    if (ns != nanoseconds::zero ())
-    {
-      if (fmt != nullptr)
-      {
-        os << '.';
-        os.width (9);
-        os.fill ('0');
-      }
-
-      os << ns.count () << ' ' << unt;
-    }
-    else if (fmt == 0)
-      os << '0';
-
-    return os;
-  }
-}
-- 
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