| 1 | /********************************************************************\ |
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| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
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| 3 | * * |
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| 4 | * Copyright 2002-2010 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* Some stuff that doesn't belong anywhere else. */ |
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| 8 | |
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| 9 | /* |
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| 10 | This program is free software; you can redistribute it and/or modify |
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| 11 | it under the terms of the GNU General Public License as published by |
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| 12 | the Free Software Foundation; either version 2 of the License, or |
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| 13 | (at your option) any later version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, |
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | GNU General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU General Public License with |
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| 21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 22 | if not, write to the Free Software Foundation, Inc., 51 Franklin St., |
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| 23 | Fifth Floor, Boston, MA 02110-1301 USA |
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| 24 | */ |
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| 25 | |
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| 26 | #include "bitlbee.h" |
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| 27 | |
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| 28 | char *set_eval_timezone( set_t *set, char *value ) |
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| 29 | { |
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| 30 | char *s; |
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| 31 | |
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| 32 | if( strcmp( value, "local" ) == 0 || |
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| 33 | strcmp( value, "gmt" ) == 0 || strcmp( value, "utc" ) == 0 ) |
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| 34 | return value; |
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| 35 | |
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| 36 | /* Otherwise: +/- at the beginning optional, then one or more numbers, |
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| 37 | possibly followed by a colon and more numbers. Don't bother bound- |
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| 38 | checking them since users are free to shoot themselves in the foot. */ |
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| 39 | s = value; |
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| 40 | if( *s == '+' || *s == '-' ) |
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| 41 | s ++; |
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| 42 | |
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| 43 | /* \d+ */ |
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| 44 | if( !g_ascii_isdigit( *s ) ) |
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| 45 | return SET_INVALID; |
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| 46 | while( *s && g_ascii_isdigit( *s ) ) s ++; |
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| 47 | |
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| 48 | /* EOS? */ |
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| 49 | if( *s == '\0' ) |
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| 50 | return value; |
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| 51 | |
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| 52 | /* Otherwise, colon */ |
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| 53 | if( *s != ':' ) |
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| 54 | return SET_INVALID; |
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| 55 | s ++; |
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| 56 | |
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| 57 | /* \d+ */ |
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| 58 | if( !g_ascii_isdigit( *s ) ) |
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| 59 | return SET_INVALID; |
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| 60 | while( *s && g_ascii_isdigit( *s ) ) s ++; |
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| 61 | |
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| 62 | /* EOS */ |
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| 63 | return *s == '\0' ? value : SET_INVALID; |
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| 64 | } |
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| 65 | |
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| 66 | char *irc_format_timestamp( irc_t *irc, time_t msg_ts ) |
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| 67 | { |
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| 68 | time_t now_ts = time( NULL ); |
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| 69 | struct tm now, msg; |
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| 70 | char *set; |
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| 71 | |
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| 72 | /* If the timestamp is <= 0 or less than a minute ago, discard it as |
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| 73 | it doesn't seem to add to much useful info and/or might be noise. */ |
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| 74 | if( msg_ts <= 0 || msg_ts > now_ts - 60 ) |
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| 75 | return NULL; |
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| 76 | |
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| 77 | set = set_getstr( &irc->b->set, "timezone" ); |
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| 78 | if( strcmp( set, "local" ) == 0 ) |
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| 79 | { |
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| 80 | localtime_r( &now_ts, &now ); |
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| 81 | localtime_r( &msg_ts, &msg ); |
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| 82 | } |
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| 83 | else |
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| 84 | { |
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| 85 | int hr, min = 0, sign = 60; |
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| 86 | |
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| 87 | if( set[0] == '-' ) |
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| 88 | { |
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| 89 | sign *= -1; |
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| 90 | set ++; |
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| 91 | } |
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| 92 | else if( set[0] == '+' ) |
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| 93 | { |
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| 94 | set ++; |
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| 95 | } |
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| 96 | |
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| 97 | if( sscanf( set, "%d:%d", &hr, &min ) >= 1 ) |
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| 98 | { |
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| 99 | msg_ts += sign * ( hr * 60 + min ); |
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| 100 | now_ts += sign * ( hr * 60 + min ); |
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| 101 | } |
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| 102 | |
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| 103 | gmtime_r( &now_ts, &now ); |
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| 104 | gmtime_r( &msg_ts, &msg ); |
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| 105 | } |
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| 106 | |
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| 107 | if( msg.tm_year == now.tm_year && msg.tm_yday == now.tm_yday ) |
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| 108 | return g_strdup_printf( "\x02[\x02\x02\x02%02d:%02d:%02d\x02]\x02 ", |
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| 109 | msg.tm_hour, msg.tm_min, msg.tm_sec ); |
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| 110 | else |
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| 111 | return g_strdup_printf( "\x02[\x02\x02\x02%04d-%02d-%02d " |
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| 112 | "%02d:%02d:%02d\x02]\x02 ", |
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| 113 | msg.tm_year + 1900, msg.tm_mon + 1, msg.tm_mday, |
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| 114 | msg.tm_hour, msg.tm_min, msg.tm_sec ); |
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| 115 | } |
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