[dab82f29] | 1 | /* Copyright (c) 2002,2003,2004,2009 James M. Kretchmar |
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| 2 | * |
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| 3 | * This file is part of Owl. |
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| 4 | * |
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| 5 | * Owl is free software: you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation, either version 3 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * Owl is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with Owl. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | * |
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| 18 | * --------------------------------------------------------------- |
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| 19 | * |
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| 20 | * As of Owl version 2.1.12 there are patches contributed by |
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| 21 | * developers of the the branched BarnOwl project, Copyright (c) |
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| 22 | * 2006-2008 The BarnOwl Developers. All rights reserved. |
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| 23 | */ |
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| 24 | |
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[6a415e9] | 25 | #include "owl.h" |
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| 26 | |
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| 27 | #define OWL_TIMER_DIRECTION_COUNTUP 1 |
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| 28 | #define OWL_TIMER_DIRECTION_COUNTDOWN 2 |
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| 29 | |
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| 30 | |
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| 31 | /* Create a "counting up" timer. The counter starts running as soon |
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| 32 | * as this is called. Use owl_timer_reset() to reset it. |
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| 33 | */ |
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| 34 | void owl_timer_create_countup(owl_timer *t) |
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| 35 | { |
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| 36 | t->direction=OWL_TIMER_DIRECTION_COUNTUP; |
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| 37 | t->starttime=time(NULL); |
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| 38 | } |
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| 39 | |
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| 40 | /* create a "counting down" timer, which counts down from 'start' |
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| 41 | * seconds. The counter starts running as soon as this is called. |
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| 42 | * Use owl_timer_reset to reset it. |
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| 43 | */ |
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| 44 | void owl_timer_create_countdown(owl_timer *t, int start) |
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| 45 | { |
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| 46 | t->direction=OWL_TIMER_DIRECTION_COUNTDOWN; |
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| 47 | t->start=start; |
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| 48 | t->starttime=time(NULL); |
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| 49 | } |
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| 50 | |
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| 51 | /* Reset the timer. For a "counting up" timer, it is reset to 0. For |
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| 52 | * a "counting down" timer it is set to the value initially set with |
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| 53 | * owl_timer_create_countdown() or the last value set with |
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| 54 | * owl_timer_reset_newstart() */ |
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| 55 | void owl_timer_reset(owl_timer *t) |
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| 56 | { |
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| 57 | t->starttime=time(NULL); |
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| 58 | } |
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| 59 | |
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| 60 | /* Only for a countdown timer. Rest the timer, but this time (and on |
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| 61 | * future resets) start with 'start' seconds. |
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| 62 | */ |
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| 63 | void owl_timer_reset_newstart(owl_timer *t, int start) |
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| 64 | { |
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| 65 | t->start=start; |
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| 66 | t->starttime=time(NULL); |
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| 67 | } |
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| 68 | |
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| 69 | /* Return the number of seconds elapsed or remaining. If using a |
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| 70 | * countdown timer, a negative value is never reported. Once the |
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| 71 | * timer gets to 0 it stays at 0 */ |
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| 72 | int owl_timer_get_time(owl_timer *t) |
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| 73 | { |
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| 74 | time_t now; |
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| 75 | int rem; |
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| 76 | |
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| 77 | now=time(NULL); |
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| 78 | |
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| 79 | if (t->direction==OWL_TIMER_DIRECTION_COUNTUP) { |
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| 80 | return(now-t->starttime); |
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| 81 | } else if (t->direction==OWL_TIMER_DIRECTION_COUNTDOWN) { |
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| 82 | rem=t->start-(now-t->starttime); |
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| 83 | if (rem<0) return(0); |
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| 84 | return(rem); |
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| 85 | } |
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| 86 | |
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| 87 | /* never reached */ |
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| 88 | return(0); |
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| 89 | } |
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| 90 | |
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| 91 | /* Only for countdown timer. Return true if time has run out (the |
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| 92 | * timer is at 0 seconds or less |
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| 93 | */ |
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| 94 | int owl_timer_is_expired(owl_timer *t) |
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| 95 | { |
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| 96 | if (owl_timer_get_time(t)==0) return(1); |
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| 97 | return(0); |
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| 98 | } |
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