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/* date_str.c */
/* Synchronet date/time string conversion routines */
/* $Id$ */
/****************************************************************************
* @format.tab-size 4 (Plain Text/Source Code File Header) *
* @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
* *
* Copyright 2000 Rob Swindell - http://www.synchro.net/copyright.html *
* *
* 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. *
* See the GNU General Public License for more details: gpl.txt or *
* http://www.fsf.org/copyleft/gpl.html *
* *
* Anonymous FTP access to the most recent released source is available at *
* ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
* *
* Anonymous CVS access to the development source and modification history *
* is available at cvs.synchro.net:/cvsroot/sbbs, example: *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login *
* (just hit return, no password is necessary) *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src *
* *
* For Synchronet coding style and modification guidelines, see *
* http://www.synchro.net/source.html *
* *
* You are encouraged to submit any modifications (preferably in Unix diff *
* format) via e-mail to mods@synchro.net *
* *
* Note: If this box doesn't appear square, then you need to fix your tabs. *
****************************************************************************/
#include "sbbs.h"
const char *wday[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
const char *mon[]={"Jan","Feb","Mar","Apr","May","Jun"
,"Jul","Aug","Sep","Oct","Nov","Dec"};
/****************************************************************************/
/* Converts a date string in format MM/DD/YY into unix time format */
/****************************************************************************/
time_t DLLCALL dstrtounix(scfg_t* cfg, char *instr)
char* p;
char* day;
char str[16];
if(!instr[0] || !strncmp(instr,"00/00/00",8))
if(isdigit(instr[0]) && isdigit(instr[1])
&& isdigit(instr[3]) && isdigit(instr[4])
&& isdigit(instr[6]) && isdigit(instr[7]))
p=instr; /* correctly formatted */
else {
p=instr; /* incorrectly formatted */
while(*p && isdigit(*p)) p++;
if(*p==0)
return(0);
p++;
day=p;
while(*p && isdigit(*p)) p++;
if(*p==0)
return(0);
p++;
sprintf(str,"%02u/%02u/%02u"
,atoi(instr)%100,atoi(day)%100,atoi(p)%100);
p=str;
}
tm.tm_year=((p[6]&0xf)*10)+(p[7]&0xf);
if (tm.tm_year<Y2K_2DIGIT_WINDOW)
tm.tm_year+=100;
if(cfg->sys_misc&SM_EURODATE) {
tm.tm_mon=((p[3]&0xf)*10)+(p[4]&0xf);
tm.tm_mday=((p[0]&0xf)*10)+(p[1]&0xf); }
tm.tm_mon=((p[0]&0xf)*10)+(p[1]&0xf);
tm.tm_mday=((p[3]&0xf)*10)+(p[4]&0xf); }
if (tm.tm_mon)
tm.tm_mon--; /* zero-based month field */
return(mktime(&tm));
}
/****************************************************************************/
/* Converts unix time format (long - time_t) into a char str MM/DD/YY */
/****************************************************************************/
char* DLLCALL unixtodstr(scfg_t* cfg, time_t unix_time, char *str)
strcpy(str,"00/00/00");
else {
tm=localtime(&unix_time);
if(tm==NULL) {
strcpy(str,"00/00/00");
return(str);
}
if(tm->tm_mon>11) { /* DOS leap year bug */
tm->tm_mon=0;
tm->tm_year++; }
if(tm->tm_mday>31)
tm->tm_mday=1;
if(cfg->sys_misc&SM_EURODATE)
sprintf(str,"%02u/%02u/%02u",tm->tm_mday,tm->tm_mon+1
,TM_YEAR(tm->tm_year));
else
sprintf(str,"%02u/%02u/%02u",tm->tm_mon+1,tm->tm_mday
,TM_YEAR(tm->tm_year)); }
return(str);
}
/****************************************************************************/
/* Takes the value 'sec' and makes a string the format HH:MM:SS */
/****************************************************************************/
char* DLLCALL sectostr(uint sec,char *str)
{
uchar hour,min,sec2;
hour=(sec/60)/60;
min=(sec/60)-(hour*60);
sec2=sec-((min+(hour*60))*60);
sprintf(str,"%2.2d:%2.2d:%2.2d",hour,min,sec2);
return(str);
}
/****************************************************************************/
/****************************************************************************/
char* DLLCALL hhmmtostr(scfg_t* cfg, struct tm* tm, char* str)
{
if(cfg->sys_misc&SM_MILITARY)
sprintf(str,"%02d:%02d "
,tm->tm_hour,tm->tm_min);
else
sprintf(str,"%02d:%02d%c"
,tm->tm_hour>12 ? tm->tm_hour-12 : tm->tm_hour==0 ? 12 : tm->tm_hour
,tm->tm_min,tm->tm_hour>=12 ? 'p' : 'a');
return(str);
}
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/****************************************************************************/
/* Generates a 24 character ASCII string that represents the time_t pointer */
/* Used as a replacement for ctime() */
/****************************************************************************/
char* DLLCALL timestr(scfg_t* cfg, time_t *intime, char* str)
{
char* mer;
uchar hour;
struct tm* gm;
gm=localtime(intime);
if(gm==NULL) {
strcpy(str,"Invalid Time");
return(str);
}
if(cfg->sys_misc&SM_MILITARY) {
sprintf(str,"%s %s %02u %4u %02u:%02u:%02u"
,wday[gm->tm_wday],mon[gm->tm_mon],gm->tm_mday,1900+gm->tm_year
,gm->tm_hour,gm->tm_min,gm->tm_sec);
return(str);
}
if(gm->tm_hour>=12) {
if(gm->tm_hour==12)
hour=12;
else
hour=gm->tm_hour-12;
mer="pm";
} else {
if(gm->tm_hour==0)
hour=12;
else
hour=gm->tm_hour;
mer="am";
}
sprintf(str,"%s %s %02u %4u %02u:%02u %s"
,wday[gm->tm_wday],mon[gm->tm_mon],gm->tm_mday,1900+gm->tm_year
,hour,gm->tm_min,mer);
return(str);
}
/****************************************************************************/
/* Convert RFC822 date header field to when_t structure */
/* dd mon yyyy hh:mm:ss [zone] */
/****************************************************************************/
when_t DLLCALL rfc822date(char* date)
char* p=date;
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char str[32];
char month[32];
when_t when;
struct tm tm;
memset(&tm,0,sizeof(tm));
memset(&when,0,sizeof(when));
while(*p && *p<=' ') p++;
while(*p && !isdigit(*p)) p++;
/* DAY */
tm.tm_mday=atoi(p);
while(*p && isdigit(*p)) p++;
/* MONTH */
while(*p && *p<=' ') p++;
sprintf(month,"%3.3s",p);
if(!stricmp(month,"jan"))
tm.tm_mon=0;
else if(!stricmp(month,"feb"))
tm.tm_mon=1;
else if(!stricmp(month,"mar"))
tm.tm_mon=2;
else if(!stricmp(month,"apr"))
tm.tm_mon=3;
else if(!stricmp(month,"may"))
tm.tm_mon=4;
else if(!stricmp(month,"jun"))
tm.tm_mon=5;
else if(!stricmp(month,"jul"))
tm.tm_mon=6;
else if(!stricmp(month,"aug"))
tm.tm_mon=7;
else if(!stricmp(month,"sep"))
tm.tm_mon=8;
else if(!stricmp(month,"oct"))
tm.tm_mon=9;
else if(!stricmp(month,"nov"))
tm.tm_mon=10;
else
tm.tm_mon=11;
p+=4;
/* YEAR */
tm.tm_year=atoi(p);
if(tm.tm_year<Y2K_2DIGIT_WINDOW)
tm.tm_year+=100;
else if(tm.tm_year>1900)
tm.tm_year-=1900;
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while(*p && isdigit(*p)) p++;
/* HOUR */
while(*p && *p<=' ') p++;
tm.tm_hour=atoi(p);
while(*p && isdigit(*p)) p++;
/* MINUTE */
if(*p) p++;
tm.tm_min=atoi(p);
while(*p && isdigit(*p)) p++;
/* SECONDS */
if(*p) p++;
tm.tm_sec=atoi(p);
while(*p && isdigit(*p)) p++;
/* TIME ZONE */
while(*p && *p<=' ') p++;
if(*p && (isdigit(*p) || *p=='-')) { /* HHMM or -HHMM format */
sprintf(str,"%.*s",*p=='-'? 3:2,p);
when.zone=atoi(str)*60;
p+=(*p=='-') ? 3:2;
when.zone+=atoi(p);
}
else if(!strnicmp(p,"PDT",3))
when.zone=(short)PDT;
else if(!strnicmp(p,"MDT",3))
when.zone=(short)MDT;
else if(!strnicmp(p,"CDT",3))
when.zone=(short)CDT;
else if(!strnicmp(p,"EDT",3))
when.zone=(short)EDT;
else if(!strnicmp(p,"PST",3))
when.zone=(short)PST;
else if(!strnicmp(p,"MST",3))
when.zone=(short)MST;
else if(!strnicmp(p,"CST",3))
when.zone=(short)CST;
else if(!strnicmp(p,"EST",3))
when.zone=(short)EST;
when.time=mktime(&tm);
return(when);
/****************************************************************************/
/* Converts when_t.zone into ASCII format */
/****************************************************************************/
char* DLLCALL zonestr(short zone)
{
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static char str[32];
switch((ushort)zone) {
case 0: return("UTC");
case AST: return("AST");
case EST: return("EST");
case CST: return("CST");
case MST: return("MST");
case PST: return("PST");
case YST: return("YST");
case HST: return("HST");
case BST: return("BST");
case ADT: return("ADT");
case EDT: return("EDT");
case CDT: return("CDT");
case MDT: return("MDT");
case PDT: return("PDT");
case YDT: return("YDT");
case HDT: return("HDT");
case BDT: return("BDT");
case MID: return("MID");
case VAN: return("VAN");
case EDM: return("EDM");
case WIN: return("WIN");
case BOG: return("BOG");
case CAR: return("CAR");
case RIO: return("RIO");
case FER: return("FER");
case AZO: return("AZO");
case LON: return("LON");
case BER: return("BER");
case ATH: return("ATH");
case MOS: return("MOS");
case DUB: return("DUB");
case KAB: return("KAB");
case KAR: return("KAR");
case BOM: return("BOM");
case KAT: return("KAT");
case DHA: return("DHA");
case BAN: return("BAN");
case HON: return("HON");
case TOK: return("TOK");
case SYD: return("SYD");
case NOU: return("NOU");
case WEL: return("WEL");
}
if(zone>0)
plus="+";
else
plus="";
sprintf(str,"UTC%s%d:%02u", plus, zone/60, zone<0 ? (-zone)%60 : zone%60);
/****************************************************************************/
/* Convert when_t structure to RFC822 date header field (string) */
/****************************************************************************/
char* DLLCALL msgdate(when_t when, char* buf)
{
struct tm tm;
struct tm* tm_p;
tm_p=localtime((const time_t*)&when.time);
if(tm_p!=NULL)
tm=*tm_p;
else
memset(&tm,0,sizeof(tm));
sprintf(buf,"%s, %d %s %d %02d:%02d:%02d %s"
,wday[tm.tm_wday]
,tm.tm_mday
,mon[tm.tm_mon]
,1900+tm.tm_year
,tm.tm_hour
,tm.tm_min
,tm.tm_sec
,zonestr(when.zone)
);
return(buf);
}