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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 1997-2021 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file misc.c |
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* \brief Yet another miscellaneous functions file. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "misc.h" |
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#include "irc_string.h" |
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#include "ircd.h" |
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|
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|
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const char * |
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date(uintmax_t lclock) |
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{ |
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static char buf[80]; |
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static uintmax_t lclock_last; |
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|
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if (lclock == 0) |
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lclock = event_base->time.sec_real; |
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|
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if (lclock_last != lclock) |
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{ |
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lclock_last = lclock; /* Cache value to avoid repetitive strftime() calls. */ |
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strftime(buf, sizeof(buf), "%A %B %-e %Y -- %T %z", localtime((time_t *)&lclock)); |
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} |
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|
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return buf; |
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} |
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|
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const char * |
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date_iso8601(uintmax_t lclock) |
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{ |
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static char buf[MAX_DATE_STRING]; |
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static uintmax_t lclock_last; |
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|
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if (lclock == 0) |
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lclock = event_base->time.sec_real; |
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|
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if (lclock_last != lclock) |
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{ |
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lclock_last = lclock; /* Cache value to avoid repetitive strftime() calls. */ |
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strftime(buf, sizeof(buf), "%FT%T%z", localtime((time_t *)&lclock)); |
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} |
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|
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return buf; |
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} |
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|
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/* |
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* myctime - This is like standard ctime()-function, but it zaps away |
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* the newline from the end of that string. Also, it takes |
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* the time value as parameter, instead of pointer to it. |
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* Note that it is necessary to copy the string to alternate |
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* buffer (who knows how ctime() implements it, maybe it statically |
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* has newline there and never 'refreshes' it -- zapping that |
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* might break things in other places...) |
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* |
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* |
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* Thu Nov 24 18:22:48 1986 |
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*/ |
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const char * |
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date_ctime(uintmax_t lclock) |
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{ |
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static char buf[MAX_DATE_STRING]; |
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static uintmax_t lclock_last; |
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|
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if (lclock == 0) |
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lclock = event_base->time.sec_real; |
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|
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if (lclock_last != lclock) |
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{ |
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lclock_last = lclock; /* Cache value to avoid repetitive strftime() calls. */ |
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strftime(buf, sizeof(buf), "%a %b %-e %T %Y", localtime((time_t *)&lclock)); |
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} |
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|
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return buf; |
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} |
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|
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const char * |
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time_dissect(uintmax_t duration) |
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{ |
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static char buf[32]; /* 32 = sizeof("9999999999999999 days, 23:59:59") */ |
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unsigned int days = 0, hours = 0, minutes = 0, seconds = 0; |
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|
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while (duration >= 60 * 60 * 24) |
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{ |
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duration -= 60 * 60 * 24; |
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++days; |
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} |
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|
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while (duration >= 60 * 60) |
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{ |
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duration -= 60 * 60; |
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++hours; |
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} |
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|
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while (duration >= 60) |
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{ |
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duration -= 60; |
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++minutes; |
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} |
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|
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seconds = duration; |
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|
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snprintf(buf, sizeof(buf), "%u day%s, %02u:%02u:%02u", |
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days, days == 1 ? "" : "s", hours, minutes, seconds); |
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return buf; |
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} |
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|
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void |
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binary_to_hex(const unsigned char *bin, char *hex, unsigned int length) |
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{ |
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static const char trans[] = "0123456789ABCDEF"; |
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|
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for (const unsigned char *const end = bin + length; bin < end; ++bin) |
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{ |
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*hex++ = trans[*bin >> 4]; |
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*hex++ = trans[*bin & 0xf]; |
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} |
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|
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*hex = '\0'; |
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} |