48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 1991 by the University of Washington
|
||
|
|
* Copyright (c) 1993 by the University of Southern California
|
||
|
|
*
|
||
|
|
* For copying and distribution information, please see the files
|
||
|
|
* <uw-copyright.h> and <usc-copyr.h>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <uw-copyright.h>
|
||
|
|
#include <time.h>
|
||
|
|
|
||
|
|
static month_start[12] = {0, 31, 59, 90, 120, 151,
|
||
|
|
181, 212, 243, 273, 304, 334};
|
||
|
|
|
||
|
|
time_t
|
||
|
|
asntotime(timestring)
|
||
|
|
char *timestring;
|
||
|
|
{
|
||
|
|
int tmp;
|
||
|
|
struct tm ts;
|
||
|
|
long seconds;
|
||
|
|
int numleap;
|
||
|
|
|
||
|
|
tmp = sscanf(timestring,"%4d%2d%2d%2d%2d%2d", &(ts.tm_year),
|
||
|
|
&(ts.tm_mon), &(ts.tm_mday), &(ts.tm_hour), &(ts.tm_min),
|
||
|
|
&(ts.tm_sec));
|
||
|
|
if(tmp != 6) return(0);
|
||
|
|
|
||
|
|
ts.tm_mon = ts.tm_mon - 1;
|
||
|
|
ts.tm_year = ts.tm_year - 1900;
|
||
|
|
|
||
|
|
/* The following may not be portable */
|
||
|
|
seconds = (ts.tm_year - 70) * 365 * 24 * 60 * 60;
|
||
|
|
seconds = seconds + (month_start[ts.tm_mon] * 24 * 60 * 60);
|
||
|
|
seconds = seconds + (ts.tm_mday * 24 * 60 * 60);
|
||
|
|
seconds = seconds + (ts.tm_hour * 60 * 60);
|
||
|
|
seconds = seconds + (ts.tm_min * 60);
|
||
|
|
seconds = seconds + ts.tm_sec;
|
||
|
|
|
||
|
|
/* Account for leap years (good until 2100) */
|
||
|
|
numleap = ts.tm_year - 72;
|
||
|
|
numleap = numleap / 4;
|
||
|
|
if((ts.tm_mon > 1) && ((ts.tm_year % 4) == 0)) numleap++;
|
||
|
|
seconds = seconds + (numleap * 24 * 60 * 60);
|
||
|
|
|
||
|
|
return(seconds);
|
||
|
|
}
|