|
|
@@ -0,0 +1,136 @@
|
|
|
+/* Time formatting functions
|
|
|
+ Copyright (C) 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003,
|
|
|
+ 2004, 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
|
|
|
+ Written 1994, 1995, 1996 by:
|
|
|
+ Miguel de Icaza, Janne Kukonlehto, Dugan Porter,
|
|
|
+ Jakub Jelinek, Mauricio Plaza.
|
|
|
+
|
|
|
+ The file_date routine is mostly from GNU's fileutils package,
|
|
|
+ written by Richard Stallman and David MacKenzie.
|
|
|
+
|
|
|
+ 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. */
|
|
|
+
|
|
|
+/** \file
|
|
|
+ * \brief Source: time formatting functions
|
|
|
+ */
|
|
|
+
|
|
|
+#include <config.h>
|
|
|
+
|
|
|
+#include <stdlib.h>
|
|
|
+
|
|
|
+#include "lib/global.h"
|
|
|
+#include "lib/strutil.h"
|
|
|
+
|
|
|
+#include "lib/timefmt.h"
|
|
|
+
|
|
|
+/*** global variables ****************************************************************************/
|
|
|
+
|
|
|
+char *user_recent_timeformat = NULL; /* time format string for recent dates */
|
|
|
+char *user_old_timeformat = NULL; /* time format string for older dates */
|
|
|
+
|
|
|
+/*** file scope macro definitions ****************************************************************/
|
|
|
+
|
|
|
+/*** file scope type declarations ****************************************************************/
|
|
|
+
|
|
|
+/*** file scope variables ************************************************************************/
|
|
|
+
|
|
|
+/*
|
|
|
+ * Cache variable for the i18n_checktimelength function,
|
|
|
+ * initially set to a clearly invalid value to show that
|
|
|
+ * it hasn't been initialized yet.
|
|
|
+ */
|
|
|
+static size_t i18n_timelength_cache = MAX_I18NTIMELENGTH + 1;
|
|
|
+
|
|
|
+/*** file scope functions ************************************************************************/
|
|
|
+
|
|
|
+/*** public functions ****************************************************************************/
|
|
|
+
|
|
|
+/* --------------------------------------------------------------------------------------------- */
|
|
|
+/**
|
|
|
+ * Check strftime() results. Some systems (i.e. Solaris) have different
|
|
|
+ * short-month and month name sizes for different locales
|
|
|
+ */
|
|
|
+size_t
|
|
|
+i18n_checktimelength (void)
|
|
|
+{
|
|
|
+ size_t length = 0;
|
|
|
+ const time_t testtime = time (NULL);
|
|
|
+ struct tm *lt = localtime (&testtime);
|
|
|
+
|
|
|
+ if (i18n_timelength_cache <= MAX_I18NTIMELENGTH)
|
|
|
+ return i18n_timelength_cache;
|
|
|
+
|
|
|
+ if (lt == NULL)
|
|
|
+ {
|
|
|
+ /* huh, localtime() doesnt seem to work ... falling back to "(invalid)" */
|
|
|
+ length = str_term_width1 (_(INVALID_TIME_TEXT));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ char buf[MB_LEN_MAX * MAX_I18NTIMELENGTH + 1];
|
|
|
+
|
|
|
+ /* We are interested in the longest possible date */
|
|
|
+ lt->tm_sec = lt->tm_min = lt->tm_hour = lt->tm_mday = 10;
|
|
|
+
|
|
|
+ /* Loop through all months to find out the longest one */
|
|
|
+ for (lt->tm_mon = 0; lt->tm_mon < 12; lt->tm_mon++)
|
|
|
+ {
|
|
|
+ strftime (buf, sizeof (buf) - 1, user_recent_timeformat, lt);
|
|
|
+ length = max ((size_t) str_term_width1 (buf), length);
|
|
|
+ strftime (buf, sizeof (buf) - 1, user_old_timeformat, lt);
|
|
|
+ length = max ((size_t) str_term_width1 (buf), length);
|
|
|
+ }
|
|
|
+
|
|
|
+ length = max ((size_t) str_term_width1 (_(INVALID_TIME_TEXT)), length);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Don't handle big differences. Use standard value (email bug, please) */
|
|
|
+ if (length > MAX_I18NTIMELENGTH || length < MIN_I18NTIMELENGTH)
|
|
|
+ length = STD_I18NTIMELENGTH;
|
|
|
+
|
|
|
+ /* Save obtained value to the cache */
|
|
|
+ i18n_timelength_cache = length;
|
|
|
+
|
|
|
+ return i18n_timelength_cache;
|
|
|
+}
|
|
|
+
|
|
|
+/* --------------------------------------------------------------------------------------------- */
|
|
|
+
|
|
|
+const char *
|
|
|
+file_date (time_t when)
|
|
|
+{
|
|
|
+ static char timebuf[MB_LEN_MAX * MAX_I18NTIMELENGTH + 1];
|
|
|
+ time_t current_time = time ((time_t) 0);
|
|
|
+ const char *fmt;
|
|
|
+
|
|
|
+ if (current_time > when + 6L * 30L * 24L * 60L * 60L /* Old. */
|
|
|
+ || current_time < when - 60L * 60L) /* In the future. */
|
|
|
+ /* The file is fairly old or in the future.
|
|
|
+ POSIX says the cutoff is 6 months old;
|
|
|
+ approximate this by 6*30 days.
|
|
|
+ Allow a 1 hour slop factor for what is considered "the future",
|
|
|
+ to allow for NFS server/client clock disagreement.
|
|
|
+ Show the year instead of the time of day. */
|
|
|
+
|
|
|
+ fmt = user_old_timeformat;
|
|
|
+ else
|
|
|
+ fmt = user_recent_timeformat;
|
|
|
+
|
|
|
+ FMT_LOCALTIME (timebuf, sizeof (timebuf), fmt, when);
|
|
|
+
|
|
|
+ return timebuf;
|
|
|
+}
|
|
|
+
|
|
|
+/* --------------------------------------------------------------------------------------------- */
|
Andrew Borodin