mc/lib/timefmt.c
Andrew Borodin 7257f794d2 Update template for .c files.
Add section for forward declarations of local functions. This section is
located before file scope variables because functions can be used in
strucutres (see find.c for example):

/*** forward declarations (file scope functions) *************************************************/

/* button callbacks */
static int start_stop (WButton * button, int action);
static int find_do_view_file (WButton * button, int action);
static int find_do_edit_file (WButton * button, int action);

/*** file scope variables ************************************************************************/

static struct
{
    ...
    bcback_fn callback;
} fbuts[] =
{
    ...
    { B_STOP, NORMAL_BUTTON, N_("S&uspend"), 0, 0, NULL, start_stop },
    ...
    { B_VIEW, NORMAL_BUTTON, N_("&View - F3"), 0, 0, NULL, find_do_view_file },
    { B_VIEW, NORMAL_BUTTON, N_("&Edit - F4"), 0, 0, NULL, find_do_edit_file }
};

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
2023-03-19 20:34:24 +03:00

157 lines
5.4 KiB
C

/*
Time formatting functions
Copyright (C) 1994-2023
Free Software Foundation, Inc.
Written by:
Miguel de Icaza, 1994, 1995, 1996
Janne Kukonlehto, 1994, 1995, 1996
Dugan Porter, 1994, 1995, 1996
Jakub Jelinek, 1994, 1995, 1996
Mauricio Plaza, 1994, 1995, 1996
The file_date routine is mostly from GNU's fileutils package,
written by Richard Stallman and David MacKenzie.
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
*/
/** \file
* \brief Source: time formatting functions
*/
#include <config.h>
#include <stdlib.h>
#include <limits.h> /* MB_LEN_MAX */
#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 ****************************************************************/
/*** forward declarations (file scope functions) *************************************************/
/*** 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;
time_t testtime;
struct tm *lt;
if (i18n_timelength_cache <= MAX_I18NTIMELENGTH)
return i18n_timelength_cache;
testtime = time (NULL);
lt = localtime (&testtime);
if (lt == NULL)
{
/* huh, localtime() doesn't seem to work ... falling back to "(invalid)" */
length = str_term_width1 (_(INVALID_TIME_TEXT));
}
else
{
char buf[MB_LEN_MAX * MAX_I18NTIMELENGTH + 1];
size_t tlen;
/* 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);
tlen = (size_t) str_term_width1 (buf);
length = MAX (tlen, length);
strftime (buf, sizeof (buf) - 1, user_old_timeformat, lt);
tlen = (size_t) str_term_width1 (buf);
length = MAX (tlen, length);
}
tlen = (size_t) str_term_width1 (_(INVALID_TIME_TEXT));
length = MAX (tlen, 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 (NULL);
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;
}
/* --------------------------------------------------------------------------------------------- */