trunk/src/misc.c

/*
 *  Copyright (c) 2002 Erik Fears
 *  Copyright (c) 2014-2020 ircd-hybrid development team
 *
 *  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
 */

#include "setup.h"

#include <stdio.h>
#include <string.h>
#include <time.h>

#include "misc.h"


const char *
date_iso8601(time_t lclock)
{
  static char buf[32];
  static time_t lclock_last;

  if (lclock == 0)
    lclock = time(0);

  if (lclock_last != lclock)
  {
    lclock_last = lclock;
    strftime(buf, sizeof(buf), "%FT%T%z", localtime(&lclock));
  }

  return buf;
}

/*
 * Split a time_t into an English-language explanation of how
 * much time it represents, e.g. "2 hours 45 minutes 8 seconds"
 */
const char *
time_dissect(time_t duration)
{
  static char buf[32];  /* 32 = sizeof("9999999999999999 days, 23:59:59") */
  unsigned int days = 0, hours = 0, minutes = 0, seconds = 0;

  while (duration >= 60 * 60 * 24)
  {
    duration -= 60 * 60 * 24;
    ++days;
  }

  while (duration >= 60 * 60)
  {
    duration -= 60 * 60;
    ++hours;
  }

  while (duration >= 60)
  {
    duration -= 60;
    ++minutes;
  }

  seconds = duration;

  snprintf(buf, sizeof(buf), "%u day%s, %02u:%02u:%02u",
           days, days == 1 ? "" : "s", hours, minutes, seconds);
  return buf;
}

const char *
stripws(char *txt)
{
  while (*txt == '\t' || *txt == ' ')
    ++txt;

  char *tmp = txt + strlen(txt) - 1;
  while (tmp >= txt && (*tmp == '\t' || *tmp == ' '))
    --tmp;

  *(tmp + 1) = '\0';

  return txt;
}
1	/*
2	* Copyright (c) 2002 Erik Fears
3	* Copyright (c) 2014-2020 ircd-hybrid development team
4	*
5	* This program is free software; you can redistribute it and/or modify
6	* it under the terms of the GNU General Public License as published by
7	* the Free Software Foundation; either version 2 of the License, or
8	* (at your option) any later version.
9	*
10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.
14	*
15	* You should have received a copy of the GNU General Public License
16	* along with this program; if not, write to the Free Software
17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
18	* USA
19	*/
20
21	#include "setup.h"
22
23	#include <stdio.h>
24	#include <string.h>
25	#include <time.h>
26
27	#include "misc.h"
28
29
30	const char *
31	date_iso8601(time_t lclock)
32	{
33	static char buf[32];
34	static time_t lclock_last;
35
36	if (lclock == 0)
37	lclock = time(0);
38
39	if (lclock_last != lclock)
40	{
41	lclock_last = lclock;
42	strftime(buf, sizeof(buf), "%FT%T%z", localtime(&lclock));
43	}
44
45	return buf;
46	}
47
48	/*
49	* Split a time_t into an English-language explanation of how
50	* much time it represents, e.g. "2 hours 45 minutes 8 seconds"
51	*/
52	const char *
53	time_dissect(time_t duration)
54	{
55	static char buf[32]; /* 32 = sizeof("9999999999999999 days, 23:59:59") */
56	unsigned int days = 0, hours = 0, minutes = 0, seconds = 0;
57
58	while (duration >= 60 * 60 * 24)
59	{
60	duration -= 60 * 60 * 24;
61	++days;
62	}
63
64	while (duration >= 60 * 60)
65	{
66	duration -= 60 * 60;
67	++hours;
68	}
69
70	while (duration >= 60)
71	{
72	duration -= 60;
73	++minutes;
74	}
75
76	seconds = duration;
77
78	snprintf(buf, sizeof(buf), "%u day%s, %02u:%02u:%02u",
79	days, days == 1 ? "" : "s", hours, minutes, seconds);
80	return buf;
81	}
82
83	const char *
84	stripws(char *txt)
85	{
86	while (txt == '\t' \|\| txt == ' ')
87	++txt;
88
89	char *tmp = txt + strlen(txt) - 1;
90	while (tmp >= txt && (tmp == '\t' \|\| tmp == ' '))
91	--tmp;
92
93	*(tmp + 1) = '\0';
94
95	return txt;
96	}
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