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1.1 root 1: /* date_str.c */
2:
3: /* Synchronet date/time string conversion routines */
4:
5: /* $Id: date_str.c,v 1.5 2000/11/14 02:29:08 rswindell Exp $ */
6:
7: /****************************************************************************
8: * @format.tab-size 4 (Plain Text/Source Code File Header) *
9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
10: * *
11: * Copyright 2000 Rob Swindell - http://www.synchro.net/copyright.html *
12: * *
13: * This program is free software; you can redistribute it and/or *
14: * modify it under the terms of the GNU General Public License *
15: * as published by the Free Software Foundation; either version 2 *
16: * of the License, or (at your option) any later version. *
17: * See the GNU General Public License for more details: gpl.txt or *
18: * http://www.fsf.org/copyleft/gpl.html *
19: * *
20: * Anonymous FTP access to the most recent released source is available at *
21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
22: * *
23: * Anonymous CVS access to the development source and modification history *
24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: *
25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
26: * (just hit return, no password is necessary) *
27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
28: * *
29: * For Synchronet coding style and modification guidelines, see *
30: * http://www.synchro.net/source.html *
31: * *
32: * You are encouraged to submit any modifications (preferably in Unix diff *
33: * format) via e-mail to [email protected] *
34: * *
35: * Note: If this box doesn't appear square, then you need to fix your tabs. *
36: ****************************************************************************/
37:
38: #include "sbbs.h"
39:
40: /****************************************************************************/
41: /* Converts a date string in format MM/DD/YY into unix time format */
42: /****************************************************************************/
43: time_t DLLCALL dstrtounix(scfg_t* cfg, char *instr)
44: {
45: char* p;
46: char* day;
47: char str[16];
48: struct tm tm;
49:
50: if(!instr[0] || !strncmp(instr,"00/00/00",8))
51: return(0);
52:
53: if(isdigit(instr[0]) && isdigit(instr[1])
54: && isdigit(instr[3]) && isdigit(instr[4])
55: && isdigit(instr[6]) && isdigit(instr[7]))
56: p=instr; /* correctly formatted */
57: else {
58: p=instr; /* incorrectly formatted */
59: while(*p && isdigit(*p)) p++;
60: if(*p==0)
61: return(0);
62: p++;
63: day=p;
64: while(*p && isdigit(*p)) p++;
65: if(*p==0)
66: return(0);
67: p++;
68: sprintf(str,"%02u/%02u/%02u"
69: ,atoi(instr)%100,atoi(day)%100,atoi(p)%100);
70: p=str;
71: }
72:
73: memset(&tm,0,sizeof(tm));
74: tm.tm_year=((p[6]&0xf)*10)+(p[7]&0xf);
75: if (tm.tm_year<Y2K_2DIGIT_WINDOW)
76: tm.tm_year+=100;
77: if(cfg->sys_misc&SM_EURODATE) {
78: tm.tm_mon=((p[3]&0xf)*10)+(p[4]&0xf);
79: tm.tm_mday=((p[0]&0xf)*10)+(p[1]&0xf); }
80: else {
81: tm.tm_mon=((p[0]&0xf)*10)+(p[1]&0xf);
82: tm.tm_mday=((p[3]&0xf)*10)+(p[4]&0xf); }
83: if (tm.tm_mon)
84: tm.tm_mon--; /* zero-based month field */
85: return(mktime(&tm));
86: }
87:
88: /****************************************************************************/
89: /* Converts unix time format (long - time_t) into a char str MM/DD/YY */
90: /****************************************************************************/
91: char* DLLCALL unixtodstr(scfg_t* cfg, time_t unix_time, char *str)
92: {
93: struct tm* tm;
94:
95: if(!unix_time)
96: strcpy(str,"00/00/00");
97: else {
98: tm=gmtime(&unix_time);
99: if(tm==NULL) {
100: strcpy(str,"00/00/00");
101: return(str);
102: }
103: if(tm->tm_mon>11) { /* DOS leap year bug */
104: tm->tm_mon=0;
105: tm->tm_year++; }
106: if(tm->tm_mday>31)
107: tm->tm_mday=1;
108: if(cfg->sys_misc&SM_EURODATE)
109: sprintf(str,"%02u/%02u/%02u",tm->tm_mday,tm->tm_mon+1
110: ,TM_YEAR(tm->tm_year));
111: else
112: sprintf(str,"%02u/%02u/%02u",tm->tm_mon+1,tm->tm_mday
113: ,TM_YEAR(tm->tm_year)); }
114: return(str);
115: }
116:
117: /****************************************************************************/
118: /* Takes the value 'sec' and makes a string the format HH:MM:SS */
119: /****************************************************************************/
120: char* DLLCALL sectostr(uint sec,char *str)
121: {
122: uchar hour,min,sec2;
123:
124: hour=(sec/60)/60;
125: min=(sec/60)-(hour*60);
126: sec2=sec-((min+(hour*60))*60);
127: sprintf(str,"%2.2d:%2.2d:%2.2d",hour,min,sec2);
128: return(str);
129: }
130:
131:
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