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1.1 root 1: /* datewrap.c */
2:
1.1.1.2 ! root 3: /* Wrappers for non-standard date and time functions */
1.1 root 4:
1.1.1.2 ! root 5: /* $Id: datewrap.c,v 1.28 2008/02/23 22:18:37 rswindell Exp $ */
1.1 root 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: * *
1.1.1.2 ! root 11: * Copyright 2008 Rob Swindell - http://www.synchro.net/copyright.html *
1.1 root 12: * *
13: * This library is free software; you can redistribute it and/or *
14: * modify it under the terms of the GNU Lesser 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 Lesser General Public License for more details: lgpl.txt or *
18: * http://www.fsf.org/copyleft/lesser.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 "string.h" /* memset */
39: #include "genwrap.h"
1.1.1.2 ! root 40: #include "datewrap.h"
! 41:
! 42: /* Return difference (in seconds) in time() result from standard */
! 43: time_t checktime(void)
! 44: {
! 45: time_t t=0x2D24BD00L; /* Correct time_t value on Jan-1-1994 */
! 46: struct tm gmt;
! 47: struct tm tm;
! 48:
! 49: memset(&tm,0,sizeof(tm));
! 50: tm.tm_year=94;
! 51: tm.tm_mday=1;
! 52: return mktime(&tm) - mktime(gmtime_r(&t,&gmt));
! 53: }
1.1 root 54:
55: /* Compensates for struct tm "weirdness" */
56: time_t sane_mktime(struct tm* tm)
57: {
58: if(tm->tm_year>=1900)
59: tm->tm_year-=1900;
60: if(tm->tm_mon) /* Month is zero-based */
61: tm->tm_mon--;
62: tm->tm_isdst=-1; /* Auto-adjust for DST */
63:
64: return mktime(tm);
65: }
66:
1.1.1.2 ! root 67: #if !defined(__BORLANDC__)
1.1 root 68:
69: /***********************************/
70: /* Borland DOS date/time functions */
71: /***********************************/
72:
73: #if defined(_WIN32)
74: #include <windows.h> /* SYSTEMTIME and GetLocalTime() */
75: #else
76: #include <sys/time.h> /* stuct timeval, gettimeofday() */
77: #endif
78:
79: void xp_getdate(struct date* nyd)
80: {
81: time_t tim;
82: struct tm dte;
83:
84: tim=time(NULL);
85: localtime_r(&tim,&dte);
86: nyd->da_year=dte.tm_year+1900;
87: nyd->da_day=dte.tm_mday;
88: nyd->da_mon=dte.tm_mon+1;
89: }
90:
91: void gettime(struct time* nyt)
92: {
93: #if defined(_WIN32)
94: SYSTEMTIME systime;
95:
96: GetLocalTime(&systime);
97: nyt->ti_hour=(unsigned char)systime.wHour;
98: nyt->ti_min=(unsigned char)systime.wMinute;
99: nyt->ti_sec=(unsigned char)systime.wSecond;
100: nyt->ti_hund=systime.wMilliseconds/10;
101: #else /* !Win32 (e.g. Unix) */
102: struct tm dte;
103: time_t t;
104: struct timeval tim;
105:
106: gettimeofday(&tim, NULL);
107: t=tim.tv_sec;
108: localtime_r(&t,&dte);
109: nyt->ti_min=dte.tm_min;
110: nyt->ti_hour=dte.tm_hour;
111: nyt->ti_sec=dte.tm_sec;
112: nyt->ti_hund=tim.tv_usec/10000;
113: #endif
114: }
115:
116: #endif /* !Borland */
1.1.1.2 ! root 117:
! 118: #if !defined(__unix__)
! 119:
! 120: /****************************************************************************/
! 121: /* Win32 implementations of the recursive (thread-safe) versions of std C */
! 122: /* time functions (gmtime, localtime, ctime, and asctime) used in Unix. */
! 123: /* The native Win32 versions of these functions are already thread-safe. */
! 124: /****************************************************************************/
! 125:
! 126: struct tm* DLLCALL gmtime_r(const time_t* t, struct tm* tm)
! 127: {
! 128: struct tm* tmp = gmtime(t);
! 129:
! 130: if(tmp==NULL)
! 131: return(NULL);
! 132:
! 133: *tm = *tmp;
! 134: return(tm);
! 135: }
! 136:
! 137: struct tm* DLLCALL localtime_r(const time_t* t, struct tm* tm)
! 138: {
! 139: struct tm* tmp = localtime(t);
! 140:
! 141: if(tmp==NULL)
! 142: return(NULL);
! 143:
! 144: *tm = *tmp;
! 145: return(tm);
! 146: }
! 147:
! 148: char* DLLCALL ctime_r(const time_t *t, char *buf)
! 149: {
! 150: char* p = ctime(t);
! 151:
! 152: if(p==NULL)
! 153: return(NULL);
! 154:
! 155: strcpy(buf,p);
! 156: return(buf);
! 157: }
! 158:
! 159: char* DLLCALL asctime_r(const struct tm *tm, char *buf)
! 160: {
! 161: char* p = asctime(tm);
! 162:
! 163: if(p==NULL)
! 164: return(NULL);
! 165:
! 166: strcpy(buf,p);
! 167: return(buf);
! 168: }
! 169:
! 170: #endif /* !defined(__unix__) */
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