[glib] g_date_time_format: support %V

[Ryan Lortie <ryanl src gnome org>]

commit b42d15490b88f5e1fdd6385143a4fd58040260db
Author: Javier JardÃn <jjardon gnome org>
Date:   Fri Sep 2 14:52:37 2011 +0100

    g_date_time_format: support %V
    
    %V represents the  ISO 8601  week  number of the current year as a
    decimal number, range 01 to 53, where week 1 is the  first  week
    that  has  at least 4 days in the new year
    
    https://bugzilla.gnome.org/show_bug.cgi?id=658061

 glib/gdatetime.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/glib/gdatetime.c b/glib/gdatetime.c
index a9b02e7..024070d 100644
--- a/glib/gdatetime.c
+++ b/glib/gdatetime.c
@@ -2262,6 +2262,13 @@ get_numeric_format (gchar    *fmt,
  *    the day of the week as a decimal, range 1 to 7, Monday being 1
  *  </simpara></listitem></varlistentry>
  *  <varlistentry><term>
+ *    <literal>%%V</literal>:
+ *   </term><listitem><simpara>
+ *    the ISO 8601 week number of the current year as a decimal number,
+ *    range 01 to 53, where week 1 is the  first  week that  has  at least
+ *    4 days in the new year. See g_date_time_get_week_of_year().
+ *  </simpara></listitem></varlistentry>
+ *  <varlistentry><term>
  *    <literal>%%W</literal>:
  *   </term><listitem><simpara>
  *    the week number of the current year as a decimal number
@@ -2509,6 +2516,10 @@ g_date_time_format (GDateTime   *datetime,
                   get_numeric_format (fmt, sizeof(fmt), alt_digits, 0, 0);
                   g_string_append_printf (outstr, fmt, g_date_time_get_day_of_week (datetime));
                   break;
+                case 'V':
+                  get_numeric_format (fmt, sizeof(fmt), alt_digits, '0', 2);
+                  g_string_append_printf (outstr, fmt, g_date_time_get_week_of_year (datetime));
+                  break;
                 case 'W':
                   get_numeric_format (fmt, sizeof(fmt), alt_digits, 0, 0);
                   g_string_append_printf (outstr, fmt, g_date_time_get_day_of_year (datetime) / 7);