1 files changed, 68 insertions, 0 deletions
diff --git a/tools/release/strftime.cpp b/tools/release/strftime.cpp
new file mode 100644
index 0000000000..57d66099ae
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+++ b/tools/release/strftime.cpp
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+//  Command line utility to output the date under control of a format string
+
+//  Copyright 2008 Beman Dawes
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <ctime>
+#include <string>
+#include <iostream>
+#include <cstdlib>
+
+using namespace std;
+
+int main(int argc, char * argv[])
+{
+  if (argc != 2 )
+  {
+    cerr <<
+      "Invoke: strftime format\n"
+      "Example: strftime \"The date is %Y-%m-%d in ISO format\""
+      "The format codes are:\n" 
+      "  %a  Abbreviated weekday name\n" 
+      "  %A  Full weekday name\n"
+      "  %b  Abbreviated month name\n"
+      "  %B  Full month name\n"
+      "  %c  Date and time representation appropriate for locale\n"
+      "  %d  Day of month as decimal number (01 - 31)\n"
+      "  %H  Hour in 24-hour format (00 - 23)\n"
+      "  %I  Hour in 12-hour format (01 - 12)\n"
+      "  %j  Day of year as decimal number (001 - 366)\n"
+      "  %m  Month as decimal number (01 - 12)\n"
+      "  %M  Minute as decimal number (00 - 59)\n"
+      "  %p  Current locale's A.M./P.M. indicator for 12-hour clock\n"
+      "  %S  Second as decimal number (00 - 59)\n"
+      "  %U  Week of year as decimal number, with Sunday as first day of week (00 - 53)\n"
+      "  %w  Weekday as decimal number (0 - 6; Sunday is 0)\n"
+      "  %W  Week of year as decimal number, with Monday as first day of week (00 - 53)\n"
+      "  %x  Date representation for current locale\n"
+      "  %X  Time representation for current locale\n"
+      "  %y  Year without century, as decimal number (00 - 99)\n"
+      "  %Y  Year with century, as decimal number\n"
+      "  %z, %Z  Either the time-zone name or time zone abbreviation, depending on registry settings; no characters if time zone is unknown\n"
+      "  %%  Percent sign\n"
+    ;
+    return 1;
+  }
+
+  string format = argv[1];
+  time_t t = time(0);
+  tm * tod = localtime(&t);
+  if (!tod)
+  {
+    cerr << "error: localtime function failed\n";
+    return 1;
+  }
+  char* s = new char [format.size() + 256];
+  if (strftime( s, format.size() + 256, format.c_str(), tod ) == 0 )
+  {
+    cerr << "error: buffer overflow\n";
+    return 1;
+  }
+
+  cout << s;
+  return 0;
+}